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WO2023099780A1 - Ensemble de production d'énergie - Google Patents

Ensemble de production d'énergie Download PDF

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Publication number
WO2023099780A1
WO2023099780A1 PCT/EP2022/084312 EP2022084312W WO2023099780A1 WO 2023099780 A1 WO2023099780 A1 WO 2023099780A1 EP 2022084312 W EP2022084312 W EP 2022084312W WO 2023099780 A1 WO2023099780 A1 WO 2023099780A1
Authority
WO
WIPO (PCT)
Prior art keywords
power generation
movable element
generation assembly
drive gear
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/EP2022/084312
Other languages
English (en)
Inventor
Peter EVERITT
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.)
Kinetic Power Systems Ltd
Original Assignee
Kinetic Power Systems Ltd
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 Kinetic Power Systems Ltd filed Critical Kinetic Power Systems Ltd
Publication of WO2023099780A1 publication Critical patent/WO2023099780A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
    • F03G7/081—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine recovering energy from moving road or rail vehicles, e.g. collecting vehicle vibrations in the vehicle tyres or shock absorbers
    • F03G7/083—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine recovering energy from moving road or rail vehicles, e.g. collecting vehicle vibrations in the vehicle tyres or shock absorbers using devices on streets or on rails
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G3/00—Other motors, e.g. gravity or inertia motors
    • F03G3/08—Other motors, e.g. gravity or inertia motors using flywheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/08—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine
    • F03G7/081—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for recovering energy derived from swinging, rolling, pitching or like movements, e.g. from the vibrations of a machine recovering energy from moving road or rail vehicles, e.g. collecting vehicle vibrations in the vehicle tyres or shock absorbers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1853—Rotary generators driven by intermittent forces

Definitions

  • the present invention relates to a power generation assembly, in particular to a power generation assembly for harvesting potential energy from a vehicle, such as a road vehicle, and converting that potential energy into electrical power.
  • Road vehicles for example, cars, buses and trucks are propelled along roads using suitable fuels such as petrol, diesel, or gas, or powered by electricity.
  • the gravitational mass of the vehicle can be used to generate power via regenerative braking, where the motor is switched momentarily into a generator, and the load created by the electromagnetic forces are used to slow the vehicle at the same time as recovering electricity into a charging device or battery.
  • Hydro-electric large bodies of water
  • steam driven by coal, gas or nuclear fuel
  • large arrays of solar panels or arrays of large wind turbines Other than large hydro-electric systems that have natural water gathering abilities such as natural run-off from hills and mountains, these systems all have a negative environmental impact.
  • a road power generation assembly comprising at least one power generation device, the power generation assembly comprising a body configured to be attachable to part of a road assembly, the power generation device including a movable element configured to be engageable with part of a vehicle moving relative to the road assembly in which engagement between the vehicle and the movable element causes the movable element to load a resilient element in a first direction and disengagement of the vehicle from the movable element causes the resilient element to unload and move the movable element in a second direction to drivingly engage the movable element with a generator such that a quantity of energy is transferred from the resilient element to the generator to generate electrical power.
  • the resilient element which causes the movable element to drivingly engage with the generator to generate power when the movable element moves in the second direction as opposed to prior art power generation assemblies which generate power when the movable element moves in the first direction as the vehicle engages with the movable element.
  • the power generated does not vary with the mass and/or the speed of the vehicle as is the case with prior art power generation assemblies which generate power as the movable elements moves in the downwards vertical direction or during the downstroke.
  • the power generated on the upstroke is therefore constant as it depends on a fixed parameter, such as a spring or torsion constant, of the resilient element.
  • the movable element is disengaged from the generator when moving in the first direction.
  • the quantity of energy transferred to the generator is proportional to a parameter of the resilient element, preferably the resilient element is a compression spring, the compression spring is compressed in the first direction, and the parameter is a spring constant, or the resilient element is a torsion bar, the torsion bar is twisted in the first direction, and the parameter is a torsion constant.
  • the resilient element is a compression spring, the compression spring is compressed in the first direction, and the parameter is a spring constant, or the resilient element is a torsion bar, the torsion bar is twisted in the first direction, and the parameter is a torsion constant.
  • the quantity of energy transferred to the generator is independent of the mass and/or speed of the vehicle.
  • the first direction is different to the second direction, preferably the first direction is opposite to the second direction, more preferably, the first direction is vertically downwards and the second direction is vertically upwards.
  • the movable element cooperates, preferably engages, with a drive gear which is drivingly connected to the generator, such that movement, preferably linear movement, of the movable element causes the drive gear to rotate.
  • the movable element cooperates, preferably engages, with a drive gear which is drivingly connected to the generator, such that movement, preferably linear movement, of the movable element causes the drive gear to rotate.
  • the engagement between the movable element and the drive gear is direct engagement
  • the drive gear is a radial gear
  • the movable element includes a linear gear such that direct engagement between the radial gear and the linear gear causes the drive gear to rotate.
  • the engagement between the movable element and the drive gear is indirect engagement.
  • the movable element directly engages with a secondary gear
  • the secondary gear is fixed to a primary gear, in which the primary gear engages with the drive gear such that movement of the movable element causes the drive gear to rotate.
  • the movable element is selectively engagable and disengagable from the generator, preferably selectively engagable and disengagable from a or the drive gear.
  • the movable element disengages from the generator or from a or the drive gear when the movable element moves in the first direction, and engages with the generator or with a or the drive gear when the movable element moves in the second direction.
  • the movement of the movable element in the first direction disengages the primary gear from the drive gear such that rotation of the secondary gear does not rotate the drive gear
  • movement of the movable element in the second direction engages the primary gear with the drive gear such that rotation of the secondary gear rotates the drive gear
  • movement of the movable element in the first direction causes the bearing to move in the slot in the first direction to disengage the primary gear from the drive gear
  • movement of the movable element in the second direction causes the bearing to move in the slot in the second direction to engage the primary gear with the drive gear
  • the power generation assembly further comprises a gearbox drivingly connected to, preferably between, the movable element and the generator.
  • the gearbox includes a disengagement mechanism to selectively engage and disengage the movable element from the generator.
  • the power generation assembly further comprises at least one energy storage device configured to store energy resulting from movement of the movable element in the first direction and release the stored energy to the generator.
  • the energy storage device is at least one or more of a clock spring a flywheel, or a fluid-wheel located on a drive gear.
  • the power generation assembly further comprises a ratchet advance which engages with the at least one clock spring to re-tension the clock spring when the movable element moves in the second direction.
  • the at least one clock spring is a plurality of clock springs arranged such that the ratchet advance re- tensions each clock spring in sequence when the movable element moves in the second direction.
  • the movable element engages with a vehicle wheel.
  • the movable element cooperates with a drive gear such that linear movement of the movable element causes the drive gear to rotate.
  • the movable element cooperates with a drive gear by directly engaging with the drive gear such that linear movement of the movable element causes the drive gear to rotate.
  • the drive gear includes a radial gear and the movable element includes a linear gear such that direct engagement between the radial gear and the linear gear causes the drive gear to rotate.
  • the resilient element is configured to act against the movable element in a direction opposite the first direction.
  • the resilient element causes the movable element to move to an extended position so as to be re-engageable with the vehicle wheel.
  • the body includes at least one recess, within which each one of the at least one movable element moves.
  • the at least one power generation device is at least two power generation devices arranged adjacently to each other on the body.
  • the at least one power generation device is at least two power generation devices arranged oppositely to each other on the body so as to be engageable with a vehicle wheel.
  • the movable element is a plunger.
  • the movable element directly engages with a wheel of the vehicle.
  • the body includes at least one recess, within which each one of the at least one movable element (36) moves.
  • the body further comprises a fluid storage tank, in which movement of the movable element causes fluid in the fluid storage tank to rotate a fluid-wheel.
  • the fluid storage tank includes a spring loaded diaphragm operably connected to the movable element, and an injector fluidly connecting the fluid in the fluid storage tank to the fluid wheel, such that movement of the movable element operates the spring loaded diaphragm to displace fluid and create pressure in the fluid storage tank, forcing fluid to evacuate through the injector and rotate the fluid wheel.
  • the power generated by the generator is transmitted to a super capacitor and/or a battery.
  • the body locates in a channel of the road assembly.
  • the vehicle is one of a car, a truck, or a van, or any other vehicle capable of generating movement relative to a surface upon or within which a power generation assembly is installed.
  • FIGS. 1 to 4 are perspective views of a power generation assembly according to one embodiment of the present invention.
  • Figures 5 to 10 are perspective views of part of road assembly including the power generation assembly of Figure 1 ,
  • Figure 11 is a perspective view of part of an alternative power generation assembly
  • Figure 12 is a perspective view of part of an alternative power generation assembly
  • Figure 13 is a perspective view of part of an alternative power generation assembly
  • Figures 14 and 15 are perspective views of part of an alternative power generation assembly
  • Figures 16 and 17 are perspective views of part of an alternative power generation assembly.
  • Figures 18 and 19 are perspective views of part of an alternative power generation assembly
  • Figure 20 is a perspective view of part of an alternative power generation assembly
  • Figures 21 to 25 are perspective, front and side views of part of an alternative power generation assembly.
  • Figure 26 is a perspective view of part of an alternative power generation assembly.
  • a power generation assembly 90 according to a first embodiment comprises a main body 22 and a plurality of power generating devices, in this embodiment, four power generation devices 10a, 10b, 10c, 10d.
  • the main body 22 is configured so as to house the power generation devices 10a-d as will be described below.
  • a road assembly in the form of a road 80 has a road surface 82.
  • the main body 22 is sized such that it locates in a gap 84 created in the road 80.
  • the main body 22 can be incorporated into a ramp assembly 81 which forms part of the road assembly, and is positioned on, or in some cases, integrated with, the road 80.
  • a vehicle in the form of a car 70 comprises four wheels (front and rear) 72 which are supported on the road surface 82.
  • Each wheel 72 has a tyre with an outer surface 75 which engages with the road surface 82.
  • the main body 22 is an elongated hollow box-type structure including a rear wall 24, a front wall (not shown in Figure 1 ) opposite the rear wall 24, left side wall 26, right side wall 28, opposite the left side wall 24, and a base 30 opposite a top cover (not shown).
  • the base 30 includes a downwardly extending portion 32.
  • main body 22 can be adapted to suit different road and ramp designs.
  • the main body 22 includes four recessed portions in the form of hollow portions 34 extending upwardly from the base 30.
  • Each of the four power generation devices 10a-d includes a movable element in the form of plunger 36, a resilient element in the form of helical spring such as a compression spring 38, a gearbox 42, an energy storage device in the form of flywheel 40, and a generator 44.
  • a drive gear 46 including a radial gear 48 is drivingly connected to the gearbox 42 which is also drivingly connected to the flywheel 40 to and the generator 44.
  • the flywheel 40 functions to store and/or smooth the energy supply to the generator 44as the plunger 36 moves upwards under the action of the unloading compression spring 38 as will be described below due to the intermittent nature of the downward plunger 36 movement.
  • each plunger includes a horizontal extension portion 73 (not shown in Figures 1 to 4) which is arranged to sit proud (vertically above) the road surface 82 (or surface 85 of the ramp 85) to engage with the outer surface 75 of the tyre 72 as will be described below.
  • the horizontal extension portion 73 is of sufficient width to enable engagement with the car tyre 75, typically greater than the width of the car tyre ( Figure 5). It will also be appreciated that in some embodiments, no horizontal extension portion is required.
  • the compression spring 38 is defined by a parameter in the form of a spring constant, the value of which is proportional to the amount of power generated.
  • the spring constant is selected to provide sufficient power to the generator. It will be understood the spring constant is sufficiently high to return the plunger to its starting or extended position where the plunger can engage with a vehicle as will be described further below.
  • the gearbox 42 is positioned between the flywheel (40) and the drive gear (36) In alternative embodiments the gearbox 42 can be positioned between the flywheel and the generator.. Whether or not the drive gear directly drives the flywheel, or drives the flywheel via the gearbox, and the gear ratios selected, is dependent on the rotational speed required for the flywheel to generate a given power output from the generator which is dependent on the frequency of load application to the plunger, i.e. frequency of the vehicles engaging with the plunger, and the load itself on the plunger which is determined based on the spring constant of the compression spring A high spring constant will generate more power, but will require a higher mass of vehicle to cause compression. Conversely, a lower spring constant will require a lower mass of vehicle to cause compression, but will generate less power
  • the plunger 36 and the compression spring 38 both locate inside the hollow portion 34 such that the helical spring 36 is positioned below the plunger 36 and is fixed at one end to the base 30 of the body 22.
  • the plunger has a length L such that an exposed portion of either the plunger or the horizontal extension portion of the plunger 73 protrudes above the cover 25 when the helical spring 38 is in an uncompressed state by a length LE which is sufficient to enable engagement with the lower surface of the outer portion 75 of the car wheel 72 when the car 70 is moving along the road 80.
  • the horizontal extension portion 73 of the plunger 36 has a rounded upper surface 37 which minimises the rolling resistance when the road wheels 72 engage with the plunger 36.
  • the plunger 36 includes a linear gear 50 configured so as to engage with the radial gear 48 and cause the drive gear 46 to rotate when the plunger 36 moves as will be described below.
  • the drive gear 46 extends into the hollow portion 34 to enable engagement between the radial gear 48 and the linear gear 50.
  • plungers 36a, 36c are adjacent to each other so that a wheel 72 on one side of the car running on the road 80 sequentially engages with plungers 36a, 36c.
  • plungers 36b, 36d are adjacent each other so that an opposite side wheel 72 running on the road 80 sequentially engages with plungers 36ca,36d.
  • plungers 36a, 36b are opposite each other so that opposite wheels 72 (front or rear wheels) running on the road surface 82 simultaneously engage with plungers 36a, 36b.
  • plungers 36c, 36d are opposite each other so that opposite wheels 72 (front or rear wheels) running on the road surface 82 simultaneously engage with plungers 36c, 36d.
  • the power generation assembly need not be limited to four power generation devices.
  • the power generation assembly could include a single power generation device or more than two power generation devices positioned adjacently.
  • the power generation devices need not be positioned so as to be engaged by both opposite wheels 72c, 72d, that is, the power generation devices can be positioned adjacent to each other on one side of the body 22 only. Increasing the number of power generation devices within the power generation assembly increases the electrical power generated. Similarly, increasing the number of power generation assemblies increases the electrical power generated.
  • Each of the individual generators 44 are electrically connected to a super capacitor (not shown) and/or a battery (not shown) to store the power generated from each power generation device.
  • the super capacitor and/or battery can be housed within the power generation assembly itself or separate from the assembly and electrically connected to the power generation assembly. Where multiple power generation assemblies are installed, a common battery and/or supercapacitor can be used to store the energy generated from each power generation assembly.
  • the power generation assemblies can be installed at any position, straight or curved, on the road assembly. Typically however the assemblies are located close to infrastructure which enables efficient transfer of the power generated by the power generation assemblies to where the generated power is to be used or fed into an electrical network for subsequent distribution.
  • positioning the power generation assembly in a car park be that the approach to the car park or within a parking space is beneficial, particularly if the car park serves buildings requiring the use of electrical power.
  • the power generation device assembly (90) operates as follows:
  • the main body 22 is installed in the road 80.
  • a channel 87 will be removed from the road to enable the main body 22 to locate. It can be seen in Figures 2, 3, 5 and 6 that after installation, the horizontal extension portion 73 of the plunger 36 of each power generation device 10a-d extends above the surface 82 of the road 80 or the surface 85 of the ramp 81 sufficiently so as to be engageable with the outer surface 75 of the car wheel 72.
  • the gearbox 42 includes a disengage mechanism (not shown) which is configured as is known in the art to disengage the drive gear 46 from the generator 44 when the plungers 36c, 36d move in the linearly downward direction Yi such that no power is transferred to the generator (44) in the first direction.
  • the compression spring 38 is loaded due to the mass of the vehicle.
  • the gearbox 42 is configured to re-engage the drive gear 46 with the generator 44 when the plunger moves in the upwards direction such that movement of the plunger causes rotation of the drive gear 46, and by being drivingly connected, rotation of the flywheel 40, the gearbox 42 and the generator 44 to generate electrical power.
  • the energy storage device is a flywheel 40 even though Figures 5, 6, 9 and 10 show an alternative energy storage device in the form of a fluid wheel which will be described further below.
  • FIG 11 shows part of an alternative power generation assembly 190 according to a second embodiment which is identical to that described in Figures 1 to 10 except the power generation device includes an additional energy storage device in the form of a clock spring 160 positioned on the drive gear 146.
  • the clock spring 160 In operation, as the plunger 136 moves upwards after the compression spring has been compressed, the clock spring 160 is wound up and acts as an energy store which unwinds, irrespective of the plunger position, to provide continuity of power to the generator until fully unwound in addition to the continuity of power provided by the flywheel.
  • the clock spring rate can be configured to provide continuous power to the generator according to the frequency of plunger activation by the car. Specifically, where the time interval between car/plunger interaction is high, then the clock spring will need to maintain continuity of power to the generator for longer.
  • the clock spring is configured such that it is wound up in one direction when the plunger moves upwards, and then released from the outside, for example, using a ratchet, or at least a pawl to wind the centre of the clock spring in one direction before the outside is released.
  • the power generation assembly does not include a flywheel, with the clock spring functioning as the only energy storage device.
  • Figure 12 show an alternative power generation assembly 290 which is identical to that described in Figures 1 to 11 except the power generation device includes an additional energy storage device in the form of a fluid-wheel 291 which is drivingly connected to the drive gear 246, the flywheel 240, the gearbox 242 and the generator 244.
  • the drive gear 246 is connected directly to the flywheel 240.
  • the horizontal extension portion is not shown in Figure 12.
  • the flywheel 240 can be positioned on the generator 244 side of the fluid wheel 291 and the drive gear 246 connected directly to the gearbox 242.
  • the fluid wheel includes an injector 292 and a multiple fluid collectors 293 which are fed fluid by the injector 292 from a fluid tank 295.
  • the fluid collectors 293 rotate by virtue of being drivingly connected to the drive gear 246 (via the flywheel 240) and act as an energy store to provide continuity of power to the generator.
  • the power generation assembly does not include a flywheel, with the fluid-wheel functioning as the only energy storage device.
  • Figures 14 and 15 show an alternative power generation assembly 390 which is identical to the embodiment of Figures 12 and 13 except an additional storage device in the form of a clock spring 360 positioned on a drive gear 346 is provided as described in relation to the embodiment of Figure 11 .
  • the clock spring 360 In operation, as the plunger 336 moves upwards, the clock spring 360 is wound up and acts as an energy store which unwinds to provide continuity of power to the generator until fully unwound in addition to the continuity of power provided by the flywheel 340 and/or the fluid wheel 391 .
  • Figures 16 and 17 show an alternative power generation assembly 490 which is identical to the embodiment of Figure 13 except that a lever mechanism 493 is connected to the plunger 436 such that upwards movement of the plunger 436 also presses the lever mechanism 493 which operates a spring-loaded diaphragm 494 in a fluid tank 495.
  • a spring or series of springs are positioned under the diaphragm 494 so that as the diaphragm is pressed to the bottom of the tank, the spring pressure under it creates the fluid pressure through the injector as will be described below. It will be understood that the horizontal extension portion of the plunger 436 is not shown in Figure 16.
  • FIG. 18 and 19 An alternative power generation assembly 590 is shown in Figures 18 and 19 which is identical to the embodiment of Figures 14 and 15 except that two of the fluid tanks 595 are in a separate unit from the body 522.
  • FIG. 20 An alternative power generation assembly 690 is shown in Figure 20 which is identical to the embodiment of Figures 14 and 15 except that the clock spring 660 includes a ratchet advance 697 positioned on drive gear 646 which functions to re-tension the clock spring 660 every time the plunger 636 moves upwards.
  • a ratchet device is not limited to embodiments with a fluid wheel or any other energy storage device other than the clock spring with which the ratchet device interacts. It will also be
  • multiple progressive clock springs are provided in combination with the ratchet advance to re-tension each one of the multiples springs in sequence every time the plunger moves upwards.
  • the power generation assembly 790 comprises a main body 722 and is shown in simplified form with only one power generating device 710.
  • the power generation device 710 includes a movable element in the form a plunger 736 and a resilient element in the form of a compression spring 738.
  • the body 722 includes a bearing slot 723 into which a bearing 727 ( Figures 23 and 24) slidingly locates and a guide slot 743 into which the plunger 736 slidingly locates.
  • the body 22 is removed to show the bearing 727.
  • a primary gear 741 and a secondary gear 739 which are fixed relative to each other, are provided on the bearing 727 such that the primary gear 741 and a secondary gear 739 can rotate about the bearing 727, and the bearing 727 can move in an upwards and downwards direction.
  • a drive gear 746 is also rotatably mounted on the body 722.
  • the primary gear 741 is selectively engaged and disengaged from the drive gear 746 as follows:
  • bearing slot 723 need be of sufficient length to allow the drive gear 746 and the primary gear 741 to physically disengage from each other.
  • Operation of the power generation assembly 790 is identical to the operation of embodiments of Figures 1 to 20 other than the mechanism by which the drive gear and plunger are selectively engaged and disengaged as described above.
  • part of an alternative power generation assembly 890 is shown which is identical to the embodiments of Figures 21 to 25, except that the compression spring is replaced by a resilient element in the form of a torsion bar 838.
  • the torsion bar 838 has a parameter in the form of a torsion constant which can be selected in the same as described above in relation to the compression spring constant.
  • the torsion bar 838 comprises a first part 851 and a second part 853 which is rotationally fixed to the first part 851 and to the body 822 such that movement of the plunger 836 under the action of a car in a downwards direction moves the first part 851 in a downwards direction and twists the second part 853 to load the torsion bar 838.
  • the first part 838 acts on the plunger 836 to transfer energy to the generator (not shown) via the secondary gear 841 , the primary gear 839 and the drive gear 846 in the same way as described above in relation to the compression spring 738.
  • a braking mechanism (not shown) can be used to control the speed of rotation in the generator and to control one or more of the following, a) the output time b) the rotational speed c) the release of the energy from the torsion bar d) the release of the energy from the spring.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un ensemble de production d'énergie routier (90) comprenant au moins un dispositif de production d'énergie (10) ; ledit ensemble de production d'énergie (90) comprend un corps (22) conçu pour être fixé à une partie d'un ensemble route (80) ; ledit dispositif de production d'énergie (10) comprend un élément mobile (36) conçu pour venir en prise avec une partie d'un véhicule (70) mobile par rapport à l'ensemble route (80), la mise en prise entre le véhicule (70) et l'élément mobile amène l'élément mobile (36) à charger un élément élastique (38) dans une première direction et la désolidarisation du véhicule (70) de l'élément mobile (38) amène l'élément élastique (38) à décharger et déplacer l'élément mobile dans une seconde direction pour le mettre en prise par entraînement avec un générateur (44) de telle sorte qu'une quantité d'énergie est transférée de l'élément élastique (38) au générateur (44) afin de produire de l'énergie électrique.
PCT/EP2022/084312 2021-12-02 2022-12-02 Ensemble de production d'énergie Ceased WO2023099780A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB2117439.6A GB202117439D0 (en) 2021-12-02 2021-12-02 A power generation assembly
GB2117439.6 2021-12-02

Publications (1)

Publication Number Publication Date
WO2023099780A1 true WO2023099780A1 (fr) 2023-06-08

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