WO2013001626A1 - パーキング装置 - Google Patents
パーキング装置 Download PDFInfo
- Publication number
- WO2013001626A1 WO2013001626A1 PCT/JP2011/064955 JP2011064955W WO2013001626A1 WO 2013001626 A1 WO2013001626 A1 WO 2013001626A1 JP 2011064955 W JP2011064955 W JP 2011064955W WO 2013001626 A1 WO2013001626 A1 WO 2013001626A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parking
- shaft
- cam
- driven cam
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
- F16H63/3441—Parking locks engaging axially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/005—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles by locking of wheel or transmission rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/006—Positive locking brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K2006/381—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches characterized by driveline brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4816—Electric machine connected or connectable to gearbox internal shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Definitions
- the present invention relates to a parking device.
- a parking device generally used for a vehicle or the like includes a parking gear coupled to any rotation shaft from an engine input shaft to a drive shaft, and a locking portion such as a parking pole.
- a parking gear coupled to any rotation shaft from an engine input shaft to a drive shaft, and a locking portion such as a parking pole.
- Patent Document 1 discloses a configuration in which a parking device is arranged on a rotating shaft of an electric motor that rotates at a higher speed than a driving shaft in a hybrid vehicle having a plurality of driving sources such as an engine and an electric motor.
- Patent Document 2 describes a device that rotates together by meshing rotating members with dog teeth.
- This device includes a cam that can move in a direction that meshes dog teeth according to rotation. And a spring that urges the cam in the direction opposite to the direction in which the dog teeth mesh with the cam.
- Patent Document 3 describes a configuration having a spring waiting mechanism in the circumferential direction of the dog teeth.
- Patent Document 4 describes a configuration in which a rotor member is extended in the axial direction to suppress the intrusion of lubricating oil into a gap between the rotor and the stator.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a parking apparatus that can suppress an impact load during operation and can be downsized.
- the present invention separately has an input shaft that transmits the driving force of the engine and a rotating electric machine shaft that transmits the driving force of the rotating electric machine, and the input shaft or the rotating electric machine shaft
- a parking device for a hybrid vehicle configured to transmit the driving force of the vehicle to a drive shaft, wherein the parking gear, a locking portion that locks the parking gear during operation, and the parking gear are connected to the rotation A drive cam disposed around the electric machine shaft, and provided between the rotary electric machine shaft so as to rotate integrally with the rotary electric machine shaft, and between the drive cam when the parking gear is locked by the locking portion.
- a driven cam that is movable in the axial direction of the rotating electrical machine shaft by relative rotation generated on the rotating electrical machine shaft, and the parking gear is moved to the rotating electrical machine shaft by the movement of the driven cam.
- the parking device preferably includes a biasing member that biases the driven cam in a direction opposite to the moving direction of the driven cam at least by the movement of the driven cam.
- At least a part of the drive cam, the driven cam, and the engaging portion is disposed on the radially inner side of the rotor of the rotating electrical machine.
- the drive cam and the parking gear are connected to each other, and a connecting member is provided that extends from the radially inner side of the rotor to the outer side of the rotor in the axial direction.
- a plurality of protrusions be provided on the radially outer side of the connecting member.
- the engaging portion is a dog brake, and an axial waiting mechanism is provided between the driven cam and the dog brake.
- the dog type brake is provided with a circumferential waiting mechanism.
- the engaging portion is a dog type brake, and an elastic body is integrally disposed between a radial direction and an axial direction of the driven cam and the dog type brake.
- the parking device when the parking gear is locked by the locking portion, that is, when the parking device is operated, the driven cam moves in the axial direction of the rotating electrical machine shaft, and the driven cam is engaged by the movement of the driven cam. And the parking gear is engaged with the rotating electric machine shaft and the case. At this time, since the parking gear and the case are fixed, the rotation of the rotating electrical machine shaft engaged therewith is restricted, and a reaction force is generated thereby. This reaction force is generated from the rotating electrical machine shaft to the parking gear. And distributed in both cases. Therefore, it is possible to reduce the reaction force transmitted from the rotating electrical machine shaft to the parking gear and the locking portion when the parking device is operated. As a result, the parking device according to the present invention is able to reduce the impact load during operation. Can be suppressed, and there is an effect that downsizing can be achieved.
- FIG. 1 is a skeleton diagram showing a power transmission device of a hybrid vehicle to which a parking device according to an embodiment of the present invention is applied.
- FIG. 2 is a diagram illustrating a schematic configuration in the vicinity of the MG shaft 45 including the parking apparatus according to the first embodiment.
- FIG. 3 is a diagram showing the parking apparatus shown in FIG. 2 from above in FIG. 2 centering on the engaging portion between the parking gear and the pilot clutch.
- FIG. 4 is a perspective view showing a configuration of a second member of the dog type brake shown in FIG.
- FIG. 5 is a diagram illustrating a positional relationship of each part of the parking device when the parking device according to the first embodiment is operated.
- FIG. 1 is a skeleton diagram showing a power transmission device of a hybrid vehicle to which a parking device according to an embodiment of the present invention is applied.
- FIG. 2 is a diagram illustrating a schematic configuration in the vicinity of the MG shaft 45 including the parking apparatus according to the first embodiment.
- FIG. 3 is
- FIG. 6 is a perspective view showing the configuration of the first member of the dog brake in the first modification of the first embodiment.
- FIG. 7 is a perspective view showing the configuration of the first member of the dog brake in the second modification of the first embodiment.
- FIG. 8 is a diagram illustrating a schematic configuration in the vicinity of the MG shaft including the parking device according to the second embodiment.
- FIG. 9 is a diagram illustrating a positional relationship of each part of the parking device when the parking device according to the second embodiment is operated.
- FIG. 10 is a diagram illustrating a modification of the shape of the tube of the parking apparatus.
- FIG. 1 is a skeleton diagram showing a power transmission device 100 for a hybrid vehicle to which a parking device 50 according to an embodiment of the present invention is applied.
- This hybrid vehicle power transmission device 100 uses the engine 1 as a main power source.
- the engine 1 is a device that outputs power from the crankshaft 2 by combustion of fuel, and is a known device that includes an intake device, an exhaust device, a fuel injection device, an ignition device, a cooling device, and the like.
- an internal combustion engine specifically, a gasoline engine, a diesel engine, an LPG engine, a methanol engine, a hydrogen engine, or the like can be used.
- a gasoline engine is used as the engine 1. Will be described.
- crankshaft 2 extending from the engine 1 is disposed horizontally in the vehicle width direction, and a flywheel 3 is formed at the rear end of the crankshaft 2.
- a hollow transaxle case 4 is attached to the outer wall of the engine 1.
- an input shaft (input shaft) 5 a first motor generator 6, a power combining mechanism 7, a speed change mechanism 8, and a second motor generator (rotary electric machine) 9 are provided.
- the input shaft 5 is disposed concentrically with the crankshaft 2.
- a clutch hub 10 is spline-fitted to an end of the input shaft 5 on the crankshaft 2 side.
- a clutch 11 for controlling the power transmission state between the flywheel 3 and the input shaft 5 is provided. Further, a damper mechanism 12 that suppresses and absorbs torque fluctuation between the flywheel 3 and the input shaft 5 is provided.
- the first motor generator 6 is disposed outside the input shaft 5, and the second motor generator 9 is disposed at a position farther from the engine 1 than the first motor generator 6.
- the first motor generator 6 is arranged between the engine 1 and the second motor generator 9.
- the first motor generator 6 and the second motor generator 9 have a function (power running function) as an electric motor driven by supply of electric power and a function (regeneration function) as a generator that converts mechanical energy into electric energy. Have both.
- a function power running function
- a function regeneration function
- a generator that converts mechanical energy into electric energy.
- an AC synchronous motor generator can be used.
- a power supply device that supplies power to the first motor generator 6 and the second motor generator 9
- a power storage device such as a battery or a capacitor, a known fuel cell, or the like can be used.
- a hollow shaft 17 is concentrically attached to the outer periphery of the input shaft 5. And the input shaft 5 and the hollow shaft 17 are comprised so that relative rotation is possible.
- the first motor generator 6 includes a stator 13 fixed to the transaxle case 4 side and a rotatable rotor 14. The rotor 14 of the first motor generator 6 is arranged on the outer periphery of the hollow shaft 17. It is connected to the side.
- a power combining mechanism (in other words, a power distribution mechanism) 7 is provided between the first motor generator 6 and the second motor generator 9.
- the power combining mechanism 7 includes a so-called single pinion type planetary gear mechanism 7A. That is, the planetary gear mechanism 7 ⁇ / b> A includes a sun gear 18, a ring gear 19 disposed concentrically with the sun gear 18, and a carrier 21 holding a pinion gear 20 that engages with the sun gear 18 and the ring gear 19.
- the sun gear 18 and the hollow shaft 17 are connected, and the carrier 21 and the input shaft 5 are connected.
- the ring gear 19 is formed on the inner peripheral side of an annular member (in other words, a cylindrical member) 22 arranged concentrically with the input shaft 5, and the counter drive gear 23 is formed on the outer peripheral side of the annular member 22.
- the second motor generator 9 is provided at a position farther from the engine 1 than the counter drive gear 23.
- the second motor generator 9 has a stator 25 fixed to the transaxle case 4 and a rotatable rotor 26.
- the rotor 26 of the second motor generator 9 is an MG shaft (rotating electric machine shaft) 45. It is connected to the outer periphery.
- MG shaft 45 is arranged almost horizontally in the width direction of the vehicle.
- the MG shaft 45, the input shaft 5 and the hollow shaft 17 are arranged non-concentrically. In other words, the position of the central axis of the MG shaft 45 is different from the position of the central axis of the input shaft 5. In other words, the MG shaft 45, the input shaft 5, and the hollow shaft 17 are offset in the radial direction.
- a gear 46 is formed (connected) at the end of the MG shaft 45 on the power combining mechanism 7 side.
- the gear 46 meshes with the counter drive gear 23.
- the counter drive gear 23 and the gear 46 are configured such that the gear ratio when power is transmitted from the gear 46 to the counter drive gear 23 is greater than “1”.
- the gear 46 and the counter drive gear 23 constitute the speed change mechanism 8.
- a countershaft 34 parallel to the input shaft 5 is provided inside the transaxle case 4.
- a counter driven gear 35 and a final drive pinion gear 36 are formed on the counter shaft 34.
- the counter drive gear 23 and the counter driven gear 35 are engaged.
- a differential 37 is provided inside the transaxle case 4, and the differential 37 is attached to and connected to a final ring gear 39 formed on the outer peripheral side of the differential case 38 via a pinion shaft 40.
- the plurality of pinion gears 41, the side gear 42 engaged with the plurality of pinion gears 41, and two front drive shafts (drive shafts) 43 connected to the side gear 42 are provided.
- a wheel 44 is connected to each front drive shaft 43.
- the required torque to be transmitted to the wheels 44 is calculated based on conditions such as the vehicle speed and the accelerator opening, and the engine 1, the clutch 11, the first torque is calculated based on the calculation result.
- the first motor generator 6 and the second motor generator 9 are controlled.
- the clutch 11 is engaged.
- the power (in other words, torque) of the crankshaft 2 is transmitted to the carrier 21 via the input shaft 5.
- the torque transmitted to the carrier 21 is transmitted to the wheels 44 via the ring gear 19, the annular member 22, the counter drive gear 23, the counter driven gear 35, the counter shaft 34, the final drive pinion gear 36, and the differential 37, and a driving force is generated.
- the first motor generator 6 can function as a generator, and the generated electric power can be charged in a power storage device (not shown).
- the second motor generator 9 can be driven as an electric motor, and the power can be transmitted to the power combining mechanism 7 (function as a drive source).
- the power of the second motor generator 9 is transmitted to the gear 46 via the MG shaft 45, the rotational speed of the gear 46 is reduced and transmitted to the annular member 22. That is, the torque of the second motor generator 9 is amplified and transmitted to the power combining mechanism 7.
- the power of the engine 1 and the power of the second motor generator 9 are input to the power combining mechanism 7 and combined, and the combined power is transmitted to the wheels 44. That is, the power combining mechanism 7 transmits at least one of the power of the engine 1 or the power of the second motor generator 9 to the wheels 44.
- the parking device 50 for blocking the power transmission to the drive shaft of the vehicle at the time of parking and stopping to prevent the vehicle from moving forward and backward is provided on the MG shaft 45.
- the parking device 50 according to the present embodiment includes a parking gear 51 and a pilot clutch (locking portion) 52 that regulates the parking gear 51, and the parking gear 51 is an MG shaft 45 that is a rotating shaft thereof. And a parking mechanism 53 for connecting to the vehicle.
- FIGS. 2 is a diagram showing a schematic configuration in the vicinity of the MG shaft 45 including the parking device 50.
- FIG. 3 shows the parking device 50 shown in FIG. 2 centering on the engaging portion between the parking gear 51 and the pilot clutch 52. 2 is a view from above, and
- FIG. 4 is a perspective view showing the configuration of the second member 58 of the dog brake 59 shown in FIG.
- the parking gear 51 is composed of a plurality of dog teeth arranged in the circumferential direction around the axis of the MG shaft 45, and each of the dog teeth is in the axial direction (right in FIGS. 2 and 3). (Direction).
- the parking gear 51 is not regulated by the pilot clutch 52, the MG shaft is driven by the driving force of the second motor generator 9 or the reaction force received from the driving shaft side when the wheel 44 rotates due to the vehicle weight on a slope.
- 45 rotates, it rotates in conjunction with the MG shaft 45.
- the pilot clutch 52 is a rod-like member that can reciprocate in the axial direction of the MG shaft 45, and is arranged so that the tip 52 a faces the parking gear 51.
- the pilot clutch 52 is fixed to the right side of the parking gear 51 and inside the transaxle case 4.
- the pilot clutch 52 is normally in a position (a solid line in FIG. 3) where the tip 52a does not contact the dog teeth of the parking gear 51 and is not engaged with the parking gear 51.
- the tip 52a moves (extends) to the parking gear 51 side (left side in FIGS. 2 and 3), and the dog teeth of the parking gear 51
- the parking gear 51 is locked and the rotation of the parking gear 51 can be restricted.
- the pilot clutch 52 may be configured to be driven by an actuator 52b (specifically, a linear solenoid, a motor-driven screw structure, etc.) as shown in FIGS. 2 and 3, for example. It is good also as a structure driven manually in conjunction with a person's gear operation.
- the pilot clutch 52 only needs to be able to regulate the rotation of the parking gear 51, and the positional relationship between the parking gear 51 and the pilot clutch 52 may be other than the axial direction shown in FIGS.
- the parking mechanism 53 is an assembly of members for connecting the parking gear 51 to the MG shaft 45.
- the parking mechanism 53 is a tube (with a parking gear 51 provided at one end thereof ( Connecting member) 54, drive cam 55 connected to the parking gear 51 via the tube 54, driven cam 56 disposed opposite to the drive cam 55, and movement of the driven cam 56, the parking gear 51 is moved to MG.
- a dog-type brake (engagement portion) 59 that engages the shaft 45 and the transaxle case 4; a return spring (biasing member) 60 that urges the driven cam 56 in a direction opposite to the moving direction of the driven cam 56; It is comprised including.
- the tube 54 is a cylindrical member disposed around the MG shaft 45 and is connected to the drive cam 55 at the other end on the opposite side in the axial direction from the one end where the parking gear 51 is provided.
- the tube 54 is arranged so as to cover each element of the parking mechanism 53 from the outside in the radial direction of the MG shaft 45. In other words, the tube 54 is disposed between the MG shaft 45 and the parking mechanism 53 and the second motor generator 9.
- the drive cam 55 is arranged around the MG shaft 45 in a ring shape. One side (left side in FIG. 2) of the drive cam 55 is in contact with the restriction member 62, and movement in the axial direction is restricted by the restriction member 62.
- a cam surface 55a is provided along the circumferential direction on the surface of the drive cam 55 opposite to the surface that contacts the regulating member 62 (right side in FIG. 2).
- the driven cam 56 is arranged in a ring shape around the MG shaft 45 similarly to the drive cam 55. Similarly to the drive cam 55, the driven cam 56 also includes a cam surface 56a along the circumferential direction on one axial surface (left side in FIG. 2), and the cam surface 56a is connected to the cam surface 55a of the drive cam 55. It arrange
- the driven cam 56 is spline-fitted on the outer peripheral surface of the MG shaft 45, is restricted from moving in the circumferential direction, can rotate integrally with the MG shaft 45, and can slide in the axial direction.
- the dog brake 59 includes a first member 57 having a plurality of dog teeth 57a and a second member 58 having a groove portion 58a. As shown in FIG. 2, dog teeth 57a of the first member 57 are provided. The surface including the second member 58 and the surface including the groove portion 58a of the second member 58 are opposed to each other, and all the dog teeth 57a can be fitted simultaneously with the groove portion 58a.
- the first member 57 of the dog brake 59 is a ring-shaped member and is connected to the driven cam 56. More specifically, as shown in FIG. 2, the cam surface 56a of the driven cam 56 is spline-fitted on a peripheral surface 56b provided on the opposite side in the axial direction (right side in FIG. 2). Thus, the first member 57 is restricted from moving in the circumferential direction and can rotate integrally with the driven cam 56 (and the MG shaft 45), and can slide in the axial direction on the peripheral surface 56b of the driven cam 56.
- the first member 57 includes a plurality of dog teeth 57a for engaging with the second member 58 on the surface facing the second member 58 in the axial direction.
- Each of the dog teeth 57a has, for example, a shape protruding with a constant width along the radial direction (see FIGS. 6 and 7).
- a disc spring 61 is disposed in the axial gap between the first member 57 and the driven cam 56.
- the disc spring 61 functions as an axial waiting mechanism when the dog teeth 57a of the first member 57 and the grooves 58a of the second member 58 are fitted together. More specifically, when the dog teeth 57a and the groove 58a are out of phase, the disc spring 61 is bent by the reaction force received by the first member 57 from the second member 58 and absorbs the reaction force. The first member 57 can be pushed out by the urging force of the disc spring 61 and can be fitted to the second member 58. Further, as the driven cam 56 moves in the axial direction, the pressing force received by the disc spring 61 from the driven cam 56 is transmitted to the first member 57, so that the first member 57 also moves in the same direction in conjunction with the driven cam 56. Can do.
- the second member 58 of the dog type brake 59 is connected and fixed to the transaxle case 4 as shown in FIG. 2, and the tip portion forms a surface facing the first member 57, and as shown in FIG. A plurality of grooves 58a are provided on the surface. The arrangement of the groove 58 a is associated with the arrangement of the dog teeth 57 a of the first member 57.
- the dog brake 59 When the dog brake 59 is operated, the dog teeth 57a of the first member 57 are engaged with the grooves 58a of the second member 58, and the circumferential movement of the dog teeth 57a due to the rotation of the first member 57 causes the transaxle case 4 to move.
- the second member 58 is fixed by the groove 58a of the second member 58.
- a stopper flange 63 is fixed on the outer peripheral surface of the MG shaft 45 on the side opposite to the drive cam 55 in the axial direction (right side in FIG. 2) with the driven cam 56 as the center.
- a return spring (biasing member) 60 is connected between the stopper flange 63 and the driven cam 56. Since the stopper flange 63 is fixed to the MG shaft 45 and the driven cam 56 is slidable in the axial direction, the return spring 60 contracts more as the driven cam 56 moves toward the stopper flange 63 and the distance between the two approaches. The urging force generated in the direction opposite to the moving direction of the driven cam 56 also increases.
- the rotor 26 of the second motor generator 9 is provided at the outer peripheral end portion of a disc-shaped support portion 69 that extends radially outward from the outer peripheral surface of the MG shaft 45. It is connected. In other words, the rotor 26 is arranged away from the outer peripheral surface of the MG shaft 45 radially outward.
- the support portion 69 is formed so that the axial width is smaller than the width of the rotor 26.
- a part of the tube 54 (a part connected to the drive cam 55), a drive cam 55, a driven cam 56, a disc spring 61, and a part of the first member 57 of the dog brake 59 are
- the second motor generator 9 is disposed on the radially inner side of the rotor 26.
- FIG. 5 is a diagram showing the positional relationship between the various parts of the parking device 50 when the parking device 50 is activated.
- the pilot clutch 52 is not engaged with the parking gear 51 as shown in FIG.
- the driven cam 56 that is spline-fitted with the MG shaft 45 rotates integrally with the MG shaft 45. Due to the rotation of the driven cam 56, the drive cam 55 also rotates in conjunction with the MG shaft 45 and the driven cam 56 via the cam surface 55 a that is in contact with the cam surface 56 a of the driven cam 56. As the drive cam 55 rotates, the tube 54 connected to the drive cam 55 and the parking gear 51 provided at the end of the tube 54 also rotate together.
- This relative rotation causes the cam surface 55a of the drive cam 55 and the cam surface 56a of the driven cam 56 to be pressed against each other.
- the driven cam 56 since the drive cam 55 is restricted from moving in the axial direction by the restriction member 62, the driven cam 56 receives a reaction force from the cam surface 55 a of the drive cam 55. Since the driven cam 56 is spline-fitted to the MG shaft 45 and can slide in the axial direction on the outer peripheral surface of the MG shaft 45, this reaction force becomes an axial thrust and the driven cam 56 is connected to the drive cam 55. Move away (in the figure, to the right).
- the first member 57 of the dog brake 59 Due to the movement of the driven cam 56, the first member 57 of the dog brake 59 receives a thrust force that moves in the same direction as the driven cam 56 via the disc spring 61, and comes close to the second member 58. And the return spring 60 arranged between the stopper flange 63 and the stopper flange 63 are contracted.
- the dog teeth 57 a of the first member 57 are engaged with the grooves 58 a of the second member 58 of the dog brake 59 by the axial movement of the first member 57 of the dog brake 59.
- the first member 57 is locked by the second member 58 connected and fixed to the transaxle case 4, and the rotation of the driven cam 56 that is spline-fitted with the first member 57 is restricted.
- the rotation of the MG shaft 45 that is spline-fitted with the driven cam 56 is also restricted.
- the MG shaft 45 is connected to the transaxle case 4 via a dog brake 59 and to the parking gear 51 and the pilot clutch 52 via a driven cam 56, a drive cam 55, and a tube 54. Therefore, the reaction force generated when the rotation of the MG shaft 45 is restricted is transmitted in a distributed manner to the transaxle case 4, the parking gear 51 and the pilot clutch 52.
- the drive cam 55 is connected to the parking gear 51 and arranged around the MG shaft 45, and the driven cam 56 is provided around the MG shaft 45 so as to be rotatable integrally with the MG shaft 45.
- the driven cam 56 is movable in the axial direction of the MG shaft 45 by relative rotation generated between the driven cam 56 and the drive cam 55 when the parking gear 51 is locked by the pilot clutch 52.
- the dog brake 59 engages the parking gear 51 with the MG shaft 45 and the transaxle case 4 accommodating the parking device 50 by the movement of the driven cam 56.
- the return spring 60 is biased in the direction opposite to the moving direction of the driven cam 56 by at least the movement of the driven cam 56.
- the second motor generator 9 and a part of the parking device 50 can be disposed so as to overlap around the MG shaft 45, so that an increase in the size of the transaxle (transascle case 4) is suppressed. be able to.
- the tube 54 extends from the inner side in the radial direction of the rotor 26 to the outer side in the axial direction of the rotor 26 to connect the drive cam 55 and the parking gear 51.
- the positional relationship between the parking gear 51 and the pilot clutch 52 and the parking mechanism 53 can be arbitrarily changed, so that the arrangement of the parking gear 51 and the pilot clutch 52 in the transaxle can be changed.
- the degree of freedom is improved.
- the parking device 50 of the present embodiment includes a disc spring 61 between the driven cam 56 and the dog brake 59.
- the disc spring 61 accumulates contact force until the phases of the two match.
- the dog brake 59 can be operated smoothly.
- FIG. 6 is a perspective view showing the configuration of the first member 57 of the dog type brake 59 in the first modified example of the present embodiment
- FIG. 7 shows the configuration of the dog type brake 59 in the second modified example of the present embodiment
- FIG. 6 is a perspective view showing a configuration of one member 57.
- the disc spring 61 functions as a waiting mechanism in the axial direction of the dog type brake 59. Further, each of the dog teeth 57a of the first member 57 of the dog type brake 59 is shown in FIG.
- the leaf springs 64 can be arranged on both sides in the circumferential direction. The leaf spring 64 functions as a circumferential waiting mechanism that absorbs a circumferential impact received by the dog teeth 57 a when engaged with the second member 58.
- the first member 57 of the dog type brake 59 is individually divided into a plurality of dog teeth 57a as shown in FIG. It is configured to be movable in the circumferential direction on the surface 56b.
- the leaf spring 64 absorbs the circumferential impact received by the dog teeth 57a due to contact with the groove portions 58a, and the dog teeth 57a are moved around the groove portions 58a. Since the dog teeth 57a can be pushed into the groove 58a while relatively rotating in the direction, the dog teeth 57a and the groove 58a can be reliably fitted. Further, since the surface pressure between the dog teeth 57a and the groove portions 58a can be reduced, the strength of the dog brake 59 can be improved.
- the disc spring 61 is exemplified as the axial waiting mechanism of the dog brake 59 and the leaf spring 64 is exemplified as the circumferential waiting mechanism. It may be replaced with the means.
- the elastic body 65 is integrally disposed between the driven cam 56 and the dog teeth 57 a of the first member 57 of the dog brake 59 in the radial direction and the axial direction. May be.
- the elastic body 65 integrally couples the driven cam 56 and each dog tooth 57a of the first member 57 of the dog brake 59 by vulcanization adhesion or the like. With this configuration, the waiting mechanism can be easily formed, and the cost can be reduced.
- FIG. 8 is a diagram showing a schematic configuration in the vicinity of the MG shaft 45 including the parking device 50a according to the second embodiment
- FIG. 9 is a diagram showing a positional relationship of each part of the parking device 50a when the parking device 50a is operated. It is.
- the parking device 50a according to the present embodiment uses a dog-type brake 59 as an engaging portion that engages the parking gear 51 with the MG shaft 45 and the transaxle case 4 that accommodates the parking device 50a by the movement of the driven cam 56. Instead, it is different from the parking apparatus 50 according to the first embodiment in that a friction brake 70 is applied.
- the friction brake 70 is an element of the parking mechanism 53a and includes a friction body 67, a stopper flange 63, and an end face 56c of the driven cam 56.
- the friction body 67 is connected and fixed to the transaxle case 4, and the tip end portion 67 a forms an annular shape having both surfaces facing the stopper flange 63 and the end surface 56 c of the driven cam 56. ing. Ring-shaped friction materials 68a and 68b are fixed on both surfaces of the tip portion 67a of the friction body 67, respectively.
- tip part 67a of the friction body 67 the surface where the friction material 68a is fixed is facing the end surface 56c of the driven cam 56, and the surface where the friction material 68b is fixed is facing the stopper flange 63.
- the driven cam 56 includes an end surface 56c on the opposite side to the cam surface 56a in the axial direction (right side in FIG. 8).
- a tip end portion 67 a of the friction body 67 is disposed between the end surface 56 c of the driven cam 56 and the stopper flange 63.
- the driven cam 56 When the parking device 50a is operated, the driven cam 56 receives a reaction force from the cam surface 55a of the drive cam 55 due to the relative rotation generated between the drive cam 55 and the driven cam 56, as shown in FIG.
- the reaction force becomes an axial thrust and the driven cam 56 moves in a direction away from the drive cam 55 (rightward in the figure).
- the end surface 56c of the driven cam 56 approaches the friction body 67, and the return spring 60 disposed between the driven cam 56 and the stopper flange 63 is contracted.
- the friction material 68 a of the friction body 67 the friction material 68 b of the friction body 67 approaches the stopper flange 63 by the pressing force of the driven cam 56 and comes into contact with it.
- the friction body 67 is sandwiched between the end surface 56c of the driven cam 56 and the stopper flange 63, the friction force between the end surface 56a of the driven cam 56 and the friction material 68a, the stopper flange 63, and the friction material 68b.
- the driven cam 56, the friction body 67, and the stopper flange 63 are integrally connected and engaged by the frictional force between the two.
- the parking device 50a can be reduced in size. Moreover, since the impact load received by the parking gear 51 and the pilot clutch 52 can be suppressed, durability can be improved.
- the shape of the tube 54 may be other than that in the above embodiment.
- the protrusions 66 may be arranged at equal intervals along the circumferential direction of the outer edge of the tube 54 to have a radial shape.
- the oil that has entered the tube 54 can be blown off from the protrusion 66 using centrifugal force and can be swept up to the inner diameter or outer diameter of the coil end, so that the second motor generator 9 can be cooled with oil. It becomes.
- the travel distance can be extended by the second motor generator 9 and the high-load travel capability can be improved by reducing the stirring loss and improving the cooling performance.
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Abstract
Description
図1~5を参照して、本発明の第1実施形態について説明する。
次に、図6,7を参照して、本実施形態の変形例について説明する。図6は、本実施形態の第1変形例におけるドグ式ブレーキ59の第1部材57の構成を示す斜視図であり、図7は、本実施形態の第2変形例におけるドグ式ブレーキ59の第1部材57の構成を示す斜視図である。
次に、図8,9を参照して、本発明の第2実施形態について説明する。図8は、第2実施形態に係るパーキング装置50aを含むMGシャフト45付近の概略構成を示す図であり、図9は、パーキング装置50aが作動したときのパーキング装置50a各部の位置関係を示す図である。本実施形態に係るパーキング装置50aは、ドリブンカム56の移動によって、パーキングギヤ51をMGシャフト45と当該パーキング装置50aを収容するトランスアスクルケース4とに係合させる係合部として、ドグ式ブレーキ59の代わりに摩擦式ブレーキ70を適用している点で第1実施形態に係るパーキング装置50と異なるものである。
4 トランスアクスルケース
5 インプットシャフト(入力軸)
9 第2のモータジェネレータ(回転電機)
25 ステータ
26 ロータ
43 フロントドライブシャフト(駆動軸)
45 MGシャフト(回転電機軸)
50,50a パーキング装置
51 パーキングギヤ
52 パイロットクラッチ(係止部)
54 チューブ(連結部材)
55 ドライブカム
56 ドリブンカム
59 ドグ式ブレーキ(係合部)
60 リターンスプリング(付勢部材)
61 皿バネ(軸方向の待ち機構)
64 板ばね(周方向の待ち機構)
65 弾性体
70 摩擦式ブレーキ(係合部)
Claims (8)
- エンジンの駆動力を伝達する入力軸と、回転電機の駆動力を伝達する回転電機軸とを別個に有し、前記入力軸または前記回転電機軸からの駆動力を駆動軸に伝達するよう構成されるハイブリッド車両のためのパーキング装置であって、
パーキングギヤと、
操作時にパーキングギヤを係止する係止部と、
前記パーキングギヤと連結して前記回転電機軸まわりに配置されるドライブカムと、
前記回転電機軸と一体回転可能に前記回転電機軸まわりに設けられ、前記係止部により前記パーキングギヤが係止されたときに前記ドライブカムとの間に生じる相対回転によって、前記回転電機軸の軸線方向に移動可能なドリブンカムと、
前記ドリブンカムの移動によって、前記パーキングギヤを前記回転電機軸と当該パーキング装置を収容するケースとに係合させる係合部と、
を備えることを特徴とするパーキング装置。 - 少なくとも前記ドリブンカムの移動により前記ドリブンカムの移動方向と反対方向に付勢する付勢部材を備えることを特徴とする、請求項1に記載のパーキング装置。
- 前記ドライブカム、前記ドリブンカム、及び前記係合部の少なくとも一部が前記回転電機のロータの径方向内側に配置されることを特徴とする、請求項1又は2に記載のパーキング装置。
- 前記ドライブカムと前記パーキングギヤとを連結し、前記ロータの径方向内側から前記ロータの軸方向外側へ延在する連結部材を備えることを特徴とする、請求項3に記載のパーキング装置。
- 前記連結部材の径方向外側に複数の突起部を設けることを特徴とする、請求項4に記載のパーキング装置。
- 前記係合部がドグ式ブレーキであり、
前記ドリブンカムと前記ドグ式ブレーキとの間に軸方向の待ち機構を備えることを特徴とする、請求項1~5のいずれか1項に記載のパーキング装置。 - 前記ドグ式ブレーキに周方向の待ち機構を備えることを特徴とする、請求項6に記載のパーキング装置。
- 前記係合部がドグ式ブレーキであり、
前記ドリブンカムと前記ドグ式ブレーキとの径方向及び軸方向の間に弾性体が一体的に配置されることを特徴とする、請求項1~5のいずれか1項に記載のパーキング装置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201180003785.2A CN102958727B (zh) | 2011-06-29 | 2011-06-29 | 停车装置 |
| US13/393,425 US9132810B2 (en) | 2011-06-29 | 2011-06-29 | Parking device |
| PCT/JP2011/064955 WO2013001626A1 (ja) | 2011-06-29 | 2011-06-29 | パーキング装置 |
| JP2011545132A JP5158269B2 (ja) | 2011-06-29 | 2011-06-29 | パーキング装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/064955 WO2013001626A1 (ja) | 2011-06-29 | 2011-06-29 | パーキング装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013001626A1 true WO2013001626A1 (ja) | 2013-01-03 |
Family
ID=47423568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/064955 Ceased WO2013001626A1 (ja) | 2011-06-29 | 2011-06-29 | パーキング装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9132810B2 (ja) |
| JP (1) | JP5158269B2 (ja) |
| CN (1) | CN102958727B (ja) |
| WO (1) | WO2013001626A1 (ja) |
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| JP2022157687A (ja) * | 2021-03-31 | 2022-10-14 | 本田技研工業株式会社 | 車両制御装置 |
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| JP5850176B2 (ja) * | 2012-12-06 | 2016-02-03 | トヨタ自動車株式会社 | 動力伝達装置 |
| JP6956040B2 (ja) * | 2018-04-03 | 2021-10-27 | 本田技研工業株式会社 | 車両のパーキング機構 |
| DE102018216572A1 (de) * | 2018-09-27 | 2020-04-02 | Robert Bosch Gmbh | Sicherheitsbremsvorrichtung |
| DE102018217473B4 (de) * | 2018-10-12 | 2022-03-10 | Vitesco Technologies Germany Gmbh | Parksperrenmechanismus für ein Fahrzeug |
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| CN201626386U (zh) * | 2010-02-26 | 2010-11-10 | 浙江吉利汽车研究院有限公司 | 一种汽车变速箱驻车制动机构 |
| KR20120063774A (ko) * | 2010-12-08 | 2012-06-18 | 현대자동차주식회사 | 하이브리드 차량용 파킹 시스템 |
-
2011
- 2011-06-29 US US13/393,425 patent/US9132810B2/en not_active Expired - Fee Related
- 2011-06-29 JP JP2011545132A patent/JP5158269B2/ja not_active Expired - Fee Related
- 2011-06-29 CN CN201180003785.2A patent/CN102958727B/zh not_active Expired - Fee Related
- 2011-06-29 WO PCT/JP2011/064955 patent/WO2013001626A1/ja not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001355727A (ja) * | 2000-06-12 | 2001-12-26 | Aisin Aw Co Ltd | ハイブリッド駆動装置 |
| JP2010173414A (ja) * | 2009-01-28 | 2010-08-12 | Aisin Aw Co Ltd | 車両用駆動装置 |
| JP2011057011A (ja) * | 2009-09-08 | 2011-03-24 | Nissan Motor Co Ltd | 駆動ユニット |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022157687A (ja) * | 2021-03-31 | 2022-10-14 | 本田技研工業株式会社 | 車両制御装置 |
| JP7373520B2 (ja) | 2021-03-31 | 2023-11-02 | 本田技研工業株式会社 | 車両制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102958727A (zh) | 2013-03-06 |
| JPWO2013001626A1 (ja) | 2015-02-23 |
| US9132810B2 (en) | 2015-09-15 |
| CN102958727B (zh) | 2015-11-25 |
| JP5158269B2 (ja) | 2013-03-06 |
| US20140284169A1 (en) | 2014-09-25 |
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