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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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
• • 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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
• • 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
  • 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
  • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
  • B60K6/54—Transmission for changing ratio
  • B60K6/547—Transmission for changing ratio the transmission being a stepped 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
  • F16H2200/00—Transmissions for multiple ratios
  • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
  • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds
• • 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
• • 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T74/00—Machine element or mechanism
  • Y10T74/19—Gearing
  • Y10T74/19014—Plural prime movers selectively coupled to common output
• • 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T74/00—Machine element or mechanism
  • Y10T74/19—Gearing
  • Y10T74/19023—Plural power paths to and/or from gearing
  • Y10T74/19051—Single driven plural drives

Definitions

• the present invention relates to a coupling device for a hybrid engine operating in at least two electrical / thermal-electric modes for a vehicle, including a light utility vehicle.
• a coupling device for a hybrid engine operating in at least two electrical / thermal-electric modes for a vehicle, including a light utility vehicle.
• an electric utility vehicle provides several benefits.
• the electric utility vehicle contributes effectively to reducing the air pollution caused by the emissions of more and more combustion engine vehicles. Then, the noise pollution from road noise, such as garbage collection, street cleaning and maintenance of green spaces, for example, are considered very annoying in everyday life, especially because of the hours of passage of said road vehicles .
• the electric utility vehicle does not present a noise nuisance, which is very significant for the inhabitants of medium and large cities.
• the electric utility vehicle Compared to a utility vehicle with a combustion engine, the electric utility vehicle performs better in the case of small repetitive journeys, such as the urban applications mentioned above, the various collections, the watering, and the delivery of goods, as well as certain industrial applications such as maintenance or logistics. Indeed, with a thermal utility vehicle used in "stop and go", that is to say on short paths interspersed with prolonged stops, the engine never reaches the ideal temperature to operate normally. In more detail, overconsumption of 50% was observed at 80 for 1 kilometer of 25 to 50% for the 2 nd kilometer, and finally, from the 6th kilometer, consumption becomes almost normal.
• the electric utility vehicle is a much better solution for use in "stop and go” because it does not consume energy at a standstill, has a performance greater than 90% whatever the engine speed, and it usually includes electric braking with energy recovery that saves the brakes.
• the subject of the invention is a coupling device for a hybrid powerplant operating in at least two modes.
• electrical / thermal-electric vehicle including a light commercial vehicle
• said hybrid engine comprising at least one heat engine and at least one electric motor
• said coupling device comprises a first drive shaft coupled to the electric motor, a second drive shaft coupled to the heat engine, and at least one main shaft driving at least one wheel of the vehicle and capable of being coupled by first, respectively second transmission means to the first and second shaft respectively; driving under the action of selection means that can take a first and a second position, such that:
• the main shaft in the first position of the selection means, is coupled to the first, respectively to the second, drive shaft by the first, respectively the second transmission means, and in the second position of the selection means. , the main shaft is coupled to the first drive shaft by the first transmission means.
• the present invention has been developed to allow the realization of a utility vehicle of small size with electric motorization with use of a thermal motorization on long journeys.
• FIG. 1 is a diagrammatic representation of an embodiment of a coupling device according to the invention
• FIG. 2 is a schematic representation of a coupling device according to the invention in the first position of the selection means
• FIG. 3 is a schematic representation of a coupling device according to the invention in the second position of the selection means.
• FIG. 1 the architecture and the relationships between the different elements of a hybrid motorisation of a vehicle equipped with a coupling device 10 according to the invention are shown for operation in at least two modes. : an electrical operating mode and an electrical / thermal operating mode, a degraded electrical / thermal operating mode that may allow an additional thermal operating mode.
• Said hybrid motorization comprising at least one heat engine 12 and at least one electric motor 14, said coupling device 10 makes it possible to manage the driving of at least one wheel 16 of a vehicle from said electric motor 14 and said engine.
• said coupling device 10 comprises a first drive shaft 18 coupled to the electric motor 14, a second drive shaft 20 coupled to the heat engine 12, and at least one main shaft 22 driving at least one wheel 16 said vehicle.
• Said main shaft 22 is capable of being coupled by first, respectively second, transmission means (24,26) to the first and second drive shafts (18,20) respectively.
• the coupling device 10 comprises selection means 28 which can take a first and second a second position such that: in the first position of the selection means, the main shaft 22 is coupled to the first and second drive shafts (18, 20) by the first and second transmission means respectively (24, 26), and in the second position of the selection means, the main shaft 22 is coupled to the first drive shaft 18 by the first transmission means 24.
• the coupling device 10 makes it possible to manage the distribution between the movements transmitted by the first and second drive shafts (18, 20).
• the coupling device 10 thus promotes management of a hybrid motor by allowing operation in electric mode in which only the electric motor 14 is used, as well as operation in thermal-electric mode in which the engine 12 is assisted by an electric motor 14.
• the device according to the invention comprises piloting means 30 actuable by the driver and control means 32 adapted to at least control the position of the selection means 28 and the operation of the heat engines 12 and electrical 14 according to different parameters relating to the operation of said motors and actions of the driver on said control means 30.
• control means 30 comprise at least one direction-of-travel selection device 34, such as a two-position switch, for example, at least one device ⁇ cceler ⁇ tion / brake ⁇ ge 36 of the vehicle, including a pedal, and at least one selection device 37 of the electrical or thermal-electric operating mode.
• direction-of-travel selection device 34 such as a two-position switch, for example, at least one device ⁇ cceler ⁇ tion / brake ⁇ ge 36 of the vehicle, including a pedal, and at least one selection device 37 of the electrical or thermal-electric operating mode.
• the selection device of the direction of travel 34 is connected to the control means 32 in order to transmit them the order of the direction of travel chosen.
• the acceleration / braking device 36 controls directly or through the control means 32 the operation of the electric motor and / or the heat engine 12.
• the selection device 37 controls directly or via the control means 32 the position of the selection means 28.
• control means 32 their programming and the different inputs / outputs that they can manage are not more detailed because they depend on the use that is made of the vehicle and, moreover, the realization and the choice of parameters of input / output of said control means 32 are within the knowledge of those skilled in the art.
• the coupling device 10 for a hybrid engine obviously comprises power supply means 38 for electrical energy. These supply means 38 are connected to the control means 32 in order to allow said control means 32 to manage the power distribution in the various components of the coupling device 10 and the electric motor 14.
• the coupling device 10 comprises means of uncoupling the heat engine 12 with the second drive shaft 20. These uncoupling means allow to drive the main shaft 22 only with the electric motor 14 while the selection means 28 are in their first position, first position in which said main shaft is coupled to the first, respectively to the second, drive shaft (18,20) by the first, respectively the second, transmission means (24,26).
• the heat engine 12 is coupled to the second drive shaft 20 via a continuous variable transmission device 40, this continuous variable transmission device 40 being known to adjust the reduction in function by inertia. engine speed.
• said continuous variable transmission device 40 also makes it possible to uncouple between the heat engine 12 and the second drive shaft 20.
• the first transmission means 24 have a different transmission ratio for each of the two positions of the selection means 28.
• the transmission ratio is adapted according to whether the electric motor 14 is used alone or with the heat engine 12.
• the first transmission means 24 comprise at least a first transmission ratio transmission device 42. ⁇ > in the first position of the selection means 28 and at least one second transmission ratio transmission device 44 in the second position of the selection means 28, and the second transmission means 26 comprise at least a third transmission device transmission 46 transmission ratio has in the first position selection means 28.
• each of the ratios a, ⁇ > and Y is adapted to obtain operation of the motor (s) on its (their) optimal operating range (s), particularly close to its (their) ) nominal operating point (s), for each of the two positions of the selection means 28.
• the first, second and third transmission devices (42,44,46) are preferably in the form of gear links, at least one first gear (48,50, 52) being integral in rotation with the corresponding drive shaft (18,20) and at least one second gear (54,56,58) being capable of being secured in rotation with the main shaft 22.
• said selection means 28 comprise:
• At least a third coupling device 64 of the main shaft 22 with the third transmission ratio transmission device 46 has in the first position selection means 28.
• the first, second and third coupling devices are integral in rotation with the main shaft 22, free in translation in a direction substantially parallel to the axis of said main shaft 22 and make it possible to perform a mechanical coupling, in particular by gearing, in said main shaft 22 and the corresponding transmission device (42, 44, 46).
• the selection means 28 comprise displacement means 66 in translation of said first, second and third coupling devices (60,62,64).
• the displacement means 66 in translation make it possible to engage / disengaging, or engaging / disengaging, said mechanical coupling between the main shaft 22 and said transmission devices (42,44,46).
• the coupling device 10 for a hybrid engine comprises a differential 70 between the main shaft 22 and the two wheels of said wheel train 68.
• the coupling device 10 according to the invention therefore proposes a relatively simple design , which can enable it to achieve a coupling between a heat engine and an electric motor in a minimum footprint. This feature proves to be very advantageous or even necessary for an application of the invention to light commercial vehicles.
• control means 32 or the selection device 37 order the selection means 28 to be placed in their second position so that the main shaft 22 is coupled by the first transmission means 24 to the first drive shaft 18 coupled to the electric motor 14, and said control means 32 manage the rotation of said electric motor in a first direction corresponding to the direction of travel of the vehicle and at a speed dependent on the action of the driver on the acceleration / braking device 36. In urban and extra-urban use on longer journeys, the driver will favor the thermal-electric mode.
• control means 32 or the selection device 37 order the selection means 28 to be placed in their first position so that the main shaft 22 is coupled to the first, respectively to the second, drive shaft (18). , 20) by the first, respectively the second transmission means (24,26) and the control means 32 and / or the acceleration / braking device 36 control the rotation of said electric and thermal motors 12.
• the control means 32 or the selection device 37 order the selection means 28 to be placed in their first position so that the main shaft 22 is coupled to the first, respectively to the second, drive shaft (18). , 20) by the first, respectively the second transmission means (24,26) and the control means 32 and / or the acceleration / braking device 36 control the rotation of said electric and thermal motors 12.
• the control means 32 or the selection device 37 order the selection means 28 to be placed in their first position so that the main shaft 22 is coupled to the first, respectively to the second, drive shaft (18). , 20) by the first, respectively the second transmission means (24,26) and the control means 32 and / or the acceleration / braking
• the management method provides for using the electric motor 14 as a generator, the control means 32 returning the electrical energy thus produced to the power supply means 38.
• the driver decides to back off with the vehicle, he acts on the selection device 34 of the direction of operation regardless of the selected electrical or thermal-electric mode.
• the change of state of the selection device 34 causes the control means 32 to reverse the direction of rotation of the electric motor 14 with respect to the direction of rotation of the heat engine 12.
• the continuous variable transmission device 40 which makes it possible to uncouple the heat engine 12 from the second drive shaft 20 in order to that the main shaft 22 is only driven by the electric motor 14.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)
• Hybrid Electric Vehicles (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2007
  • 2007-10-24 FR FR0758538A patent/FR2922821B1/fr active Active
• 2008
  • 2008-10-24 WO PCT/FR2008/051924 patent/WO2009056747A2/fr active Application Filing
  • 2008-10-24 US US13/058,396 patent/US8701523B2/en active Active
  • 2008-10-24 EP EP08845614A patent/EP2200880A2/de not_active Withdrawn
  • 2008-10-24 CA CA2703058A patent/CA2703058A1/fr not_active Abandoned

Non-Patent Citations (1)

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