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WO2013020634A1 - Transmission à plusieurs rapports pour un véhicule automobile - Google Patents

Transmission à plusieurs rapports pour un véhicule automobile Download PDF

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Publication number
WO2013020634A1
WO2013020634A1 PCT/EP2012/002995 EP2012002995W WO2013020634A1 WO 2013020634 A1 WO2013020634 A1 WO 2013020634A1 EP 2012002995 W EP2012002995 W EP 2012002995W WO 2013020634 A1 WO2013020634 A1 WO 2013020634A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
gear
switching units
planetary gear
ring 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
Application number
PCT/EP2012/002995
Other languages
German (de)
English (en)
Other versions
WO2013020634A8 (fr
Inventor
Thomas SCHILDER
Klaus Riedl
Thomas Listner
Jörg Müller
Rico Resch
Mirko Leesch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daimler AG filed Critical Daimler AG
Publication of WO2013020634A1 publication Critical patent/WO2013020634A1/fr
Publication of WO2013020634A8 publication Critical patent/WO2013020634A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B60K6/365—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 with the gears having orbital motion
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/0866—Power-split transmissions with distributing differentials, with the output of the CVT connected or connectable to the output shaft
    • F16H2037/0873—Power-split transmissions with distributing differentials, with the output of the CVT connected or connectable to the output shaft with switching means, e.g. to change ranges
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
    • F16H2037/104—Power-split transmissions with at least one end of a CVT connected or connectable to two or more differentials
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/10—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts
    • F16H2037/105—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts characterised by number of modes or ranges, e.g. for compound gearing
    • F16H2037/108—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing at both ends of intermediate shafts characterised by number of modes or ranges, e.g. for compound gearing with switching means to provide four or more variator modes or ranges
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0047—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising five forward speeds
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2043—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with five engaging means
    • 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 multistage transmission has a transmission input shaft 11, which is provided to initiate a drive torque in the multistage transmission.
  • the transmission input shaft 11 can be preceded by a module which is not shown in more detail and which is intended in particular to provide a starting functionality.
  • a upstream module for example, a converter or a wet starting clutch is conceivable. In the illustrated embodiment, however, an upstream module is dispensed with.
  • the third ring gear P33 is fixed.
  • a speed ratio between the third sun gear P31 and the third planet carrier P32 is thus defined by the stationary gear ratio of the third planetary gear P3.
  • the third planet carrier P32 and the second sun gear P21 rotate at a same speed.
  • the second planet carrier P22 and the third ring gear P33 rotate at a same speed.
  • a rotational speed of the second ring gear P23 is thus defined by the speed ratio between the third sun gear P31 and the third planetary carrier P32, as well as the stationary gear ratio of the second planetary gear P2.
  • the first planet carrier P12 rotates at the same speed as the second planet carrier P22.
  • the first sun gear P11 rotates at the same speed as the second ring gear P23.
  • a speed of the transmission output shaft 12 is thus defined by the individual speed ratios in the planetary gear P1, P2 and the stationary gear ratio of the third planetary gear P3.
  • a power flow for the second internal combustion engine forward gear V2 is introduced via the first planetary gear P1 and split on the second planetary gear P2 and the third planetary gear P3. The introduced into the second planetary gear P2 power flow is partially fed back to the first planetary gear P1 and partially forwarded to the third planetary gear P3. About the third planetary gear P3, the power flow is discharged.
  • the third internal combustion engine forward gear V3 has in this embodiment between the transmission input shaft 11 and the transmission output shaft 12, a transmission ratio i 3 of 1, 000 on. He is trained as a direct trainee.
  • the third planetary gear P3 is locked.
  • the third sun P31, the third planet P32 and the third ring gear P33 thus have a same speed.
  • the second planet carrier P22 has the same speed as the third sun P31.
  • the second sun gear P21 has the same speed as the third planet carrier P32.
  • the second planetary gear P2 is thus also blocked, whereby the first planetary gear P1 is locked.
  • the transmission input shaft 11 and the transmission output shaft 12 thus have the same speed.
  • a power flow for the third internal combustion engine forward gear V3 is introduced via the first planetary gear P1 and split to the second planetary gear P2 and the third planetary gear P3.
  • the introduced into the second planetary gear P2 power flow is partially fed back to the first planetary gear P1 and partially forwarded to the third planetary gear P3.
  • the power flow is discharged.
  • the first ring gear P13 rotates at a same speed as the transmission input shaft 11.
  • the second ring gear P23 and thus also the first sun gear P11 are fixed.
  • a rotational speed of the first planet carrier P12 is thus defined by the rotational speed of the transmission input shaft 11 and the stationary transmission ratio of the first planetary gear P1.
  • the second planet carrier P22 rotates at the same speed as the first planet carrier P12.
  • a rotational speed of the second sun gear P21 is thus defined by the rotational speed of the first planet carrier P12 and the stationary transmission ratio of the second planetary gear P2.
  • the third planet P32 which is rotatably connected to the transmission output shaft 12, has the same speed as the second sun P21.
  • the rotational speed of the transmission output shaft 12 is thus defined by the rotational speed of the stationary transmission ratio of the first two planetary gear P1, P2.
  • a power flow for the fifth internal combustion engine Forward gear V5 is introduced via the first planetary gear P1 and forwarded to the second planetary gear P2.
  • the power flow introduced into the second planetary gear train P2 is led out via the planet carrier P32 of the third planetary gear P3.
  • the second electric motor EM2 is provided as a drive motor.
  • the electromotive forward gears E1, E2, E3 to use the first electric motor EM1 for a boost function, it is necessary to decouple the internal combustion engine from the multi-speed transmission. In an embodiment not shown, therefore, a separating clutch between the transmission input shaft 11 and the crankshaft connecting element 19 is provided.
  • a start of the engine is possible, especially in the embodiment without disconnect clutch.
  • the EVT driving ranges a speed ratio between the transmission input shaft 11 and the transmission output shaft 12 by means of the electric motors EM1, EM2, in particular by means of the electric motor EM 1, continuously adjustable, at least in some areas.
  • the EVT driving ranges make it possible to start from a vehicle standstill, ie at a suitable rotational speed of the rotor element, the transmission input shaft 11 has a speed not equal to zero, while at the same time the transmission output shaft 12 a speed of zero. By changing the rotational speed of the rotor element 17, the rotational speed of the transmission output shaft 12 can then be changed.
  • the EVT driving ranges EVT1, EVT2, EVT3 are provided for power-neutral driving, ie the electric motor EM1 runs in a generator mode and provides the other electric motor EM2 with the previously recorded electric power.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Structure Of Transmissions (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

L'invention concerne une transmission à plusieurs rapports, en particulier pour un véhicule automobile, comportant au moins trois engrenages planétaires (P1, P2, P3), à savoir un premier, un deuxième et un troisième, disposés successivement le long d'un axe de rotation principal (10); un arbre (11) d'entrée de la transmission pour le raccordement d'un moteur à combustion; un arbre (12) de sortie de la transmission pour le raccordement de roues motrices; un premier arbre intermédiaire (14) pour le raccordement d'un premier moteur électrique (EM1); un deuxième arbre intermédiaire (15) pour le raccordement d'un deuxième moteur électrique (EM2); et au moins cinq unités de commutation (S1, S2, S3, S4, S5) dont la construction est conçue au moins pour la commande de cinq vitesses avant du moteur à combustion (V1, V2, V2', V3, V4, V5), de trois vitesses avant des moteurs électriques (E1, E2, E3) et de trois plages de conduite EVT (EVT1, EVT2, EVT3). Selon l'invention, l'une des unités de commutation (S4) possède un élément d'accouplement (S42) qui est solidaire en rotation avec l'arbre de sortie de la transmission (12).
PCT/EP2012/002995 2011-08-05 2012-07-17 Transmission à plusieurs rapports pour un véhicule automobile Ceased WO2013020634A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011109538.5 2011-08-05
DE102011109538.5A DE102011109538B4 (de) 2011-08-05 2011-08-05 Mehrstufengetriebe für ein Kraftfahrzeug

Publications (2)

Publication Number Publication Date
WO2013020634A1 true WO2013020634A1 (fr) 2013-02-14
WO2013020634A8 WO2013020634A8 (fr) 2013-07-11

Family

ID=46545327

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/002995 Ceased WO2013020634A1 (fr) 2011-08-05 2012-07-17 Transmission à plusieurs rapports pour un véhicule automobile

Country Status (2)

Country Link
DE (1) DE102011109538B4 (fr)
WO (1) WO2013020634A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8425359B1 (en) 2012-06-12 2013-04-23 GM Global Technology Operations LLC Four-mode hybrid transmission
DE102012016665A1 (de) * 2012-08-23 2014-02-27 Daimler Ag Mehrstufengetriebe für ein Kraftfahrzeug
DE102012016664A1 (de) * 2012-08-23 2014-02-27 Daimler Ag Mehrstufengetriebe für ein Kraftfahrzeug
DE102012023471A1 (de) * 2012-11-30 2014-06-05 Volkswagen Aktiengesellschaft Hybridantriebsanordnung für ein Kraftfahrzeug
DE102014006145A1 (de) * 2013-12-12 2015-06-18 Daimler Ag Hybrid-Mehrstufengetriebe für ein Kraftfahrzeug
DE102014225722A1 (de) * 2014-12-12 2016-06-16 Zf Friedrichshafen Ag Lastschaltbares Mehrstufengetriebe in Planetenbauweise
DE102014225723A1 (de) * 2014-12-12 2016-06-16 Zf Friedrichshafen Ag Lastschaltbares Mehrstufengetriebe in Planetenbauweise

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6551208B1 (en) 2001-10-18 2003-04-22 General Motors Corporation Three-mode, compound-split, electrically-variable transmission
US20060189427A1 (en) * 2005-02-18 2006-08-24 Madhusudan Raghavan Electrically variable transmission having three interconnected planetary gear sets, two clutches and two brakes
US20090275437A1 (en) * 2008-05-02 2009-11-05 Klaus Kersting Electric variable transmission for hybrid electric vehicles with two forward modes and four fixed gears
US20090275438A1 (en) * 2008-05-02 2009-11-05 Klaus Kersting Electric variable transmission for hybrid electric vehicles with three forward modes, one reverse mode, and five fixed gears
US20090275436A1 (en) * 2008-05-02 2009-11-05 Klaus Kersting Electric variable transmission for hybrid electric vehicles with four forward modes and six fixed gears

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6953409B2 (en) 2003-12-19 2005-10-11 General Motors Corporation Two-mode, compound-split, hybrid electro-mechanical transmission having four fixed ratios
US7591747B2 (en) 2006-05-25 2009-09-22 Gm Global Technology Operations, Inc. Electrically variable transmission having three planetary gear sets, two fixed interconnections and clutched input

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6551208B1 (en) 2001-10-18 2003-04-22 General Motors Corporation Three-mode, compound-split, electrically-variable transmission
US20060189427A1 (en) * 2005-02-18 2006-08-24 Madhusudan Raghavan Electrically variable transmission having three interconnected planetary gear sets, two clutches and two brakes
US20090275437A1 (en) * 2008-05-02 2009-11-05 Klaus Kersting Electric variable transmission for hybrid electric vehicles with two forward modes and four fixed gears
US20090275438A1 (en) * 2008-05-02 2009-11-05 Klaus Kersting Electric variable transmission for hybrid electric vehicles with three forward modes, one reverse mode, and five fixed gears
US20090275436A1 (en) * 2008-05-02 2009-11-05 Klaus Kersting Electric variable transmission for hybrid electric vehicles with four forward modes and six fixed gears

Also Published As

Publication number Publication date
WO2013020634A8 (fr) 2013-07-11
DE102011109538B4 (de) 2023-10-26
DE102011109538A1 (de) 2013-02-07

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