WO2009131077A1 - ハイブリッド動力装置 - Google Patents
ハイブリッド動力装置 Download PDFInfo
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- WO2009131077A1 WO2009131077A1 PCT/JP2009/057796 JP2009057796W WO2009131077A1 WO 2009131077 A1 WO2009131077 A1 WO 2009131077A1 JP 2009057796 W JP2009057796 W JP 2009057796W WO 2009131077 A1 WO2009131077 A1 WO 2009131077A1
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- gear
- input shaft
- engine
- transmitted
- transmission mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
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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 ; 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
- B60K6/36—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 ; 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 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 ; 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
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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 ; 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
- B60W10/113—Stepped gearings with two input flow paths, e.g. double clutch transmission selection of one of the torque flow paths by the corresponding input clutch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/684—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
- F16H61/688—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/42—Clutches or brakes
- B60Y2400/428—Double clutch arrangements; Dual clutches
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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 an improvement for reducing a power loss generated in a power transmission system during a hybrid operation in a hybrid power unit for a vehicle, particularly a hybrid power unit suitable for a dual clutch type vehicle transmission.
- Japanese Patent Laying-Open No. 2005-186931 discloses a hybrid power unit using this type of dual clutch.
- the hybrid power unit includes a first input shaft and a second input shaft, which are coaxially disposed so as to be relatively rotatable and selectively transmit engine driving force via a dual clutch, and the two input shafts.
- the first gear transmission mechanism and the second gear transmission mechanism assembled to the first output shaft and the second output shaft, which are arranged in parallel, respectively, and the second input shaft connected to the second input shaft operates as an electric motor.
- a motor generator for driving a drive wheel connected to the first output shaft or the second output shaft via the final output shaft and operating as a generator to charge the battery when driven by the drive wheel. I have.
- the first input shaft and the second input shaft are alternately engaged with the first friction clutch and the second friction clutch constituting the dual clutch, thereby transmitting the driving force of the engine.
- the driving force changed by the gear transmission mechanism or the second gear transmission mechanism is transmitted to the final output shaft connected to the driving wheel.
- the motor / generator connected to the second input shaft is operated as an electric motor
- the driving force of the motor / generator is transmitted to the final output shaft via the second input shaft and the second gear transmission mechanism to the final output shaft. Is done.
- the engine driving force transmitted to the first input shaft with the first friction clutch engaged is transmitted to the final output shaft via the first gear transmission mechanism.
- the motor / generator When the motor / generator operates as an electric motor, the driving force of the motor / generator is transmitted to the final output shaft via the second input shaft and the second gear transmission mechanism. At this time, the second friction clutch is released. In this state, the transmission ratio between the output shaft of the first gear transmission mechanism and the input member of the first friction clutch, and the transmission ratio between the output shaft of the second gear transmission mechanism and the input member of the second friction clutch are Since they are relatively different, the input member and the output member of the second friction clutch are forcibly rotated relative to each other. In this operating state, although the second friction clutch is released, drag torque due to frictional resistance exists between the input member and the output member, so that power loss due to drag torque always occurs during this operation. When the second friction clutch is a wet clutch, the drag torque increases, so the power loss increases.
- An object of the present invention is to reduce the fuel loss by reducing the power loss caused by the drag torque described above.
- the present invention provides a first gear transmission mechanism assembled to a first input shaft to which the driving force of an engine is transmitted via a first friction clutch, and the driving force of the engine receives a second friction.
- a second gear transmission mechanism assembled to the second input shaft transmitted via the clutch, a motor / generator connected to the second input shaft, and an output shaft coupled to each output shaft of the both gear transmission mechanism; And a final output shaft that transmits the driving force transmitted to the end to the driven device.
- the motor / generator is operated as an electric motor, the driving force is selected by the second gear transmission mechanism.
- the driving force of the engine that is engaged with the first friction clutch and transmitted to the first input shaft is the first gear transmission mechanism.
- the motor / generator operates as an electric motor in a state of being transmitted to the final output shaft
- the second friction clutch is engaged so that the driving force of the motor / generator together with the driving force of the engine is the first input.
- the present invention provides a hybrid power unit including a control means for transmitting to a final output shaft via a shaft and a first gear transmission mechanism.
- a first gear transmission mechanism assembled to a first input shaft to which the driving force of the engine is transmitted via the first friction clutch, and the driving force of the engine causes the second friction clutch to
- the second gear transmission mechanism assembled to the second input shaft transmitted through the motor, the motor / generator connected to the first input shaft, and the output shafts of the both gear transmission mechanisms connected to the input ends thereof.
- a final output shaft for transmitting the transmitted driving force to the driven device, and when the motor / generator is operated as an electric motor, the driving force is transmitted through the gear stage selected by the first gear transmission mechanism.
- the hybrid power unit configured to be transmitted to the final output shaft, the driving force of the engine transmitted to the second input shaft when the second friction clutch is engaged is transmitted through the second gear transmission mechanism.
- a hybrid power unit may be provided that includes control means for transmitting to the final output shaft via the second gear transmission mechanism.
- an odd-numbered transmission gear pair is provided in the first gear transmission mechanism, and an even-numbered transmission gear pair is provided in the second gear transmission mechanism. It may be provided.
- the control device for controlling the operation of the first friction clutch and the second friction clutch constituting the above-described dual clutch, the switching operation of one stage of the two-gear transmission mechanism and the operation of the motor / generator When the motor / generator operates as an electric motor with the first friction clutch engaged and the driving force of the engine transmitted to the first input shaft transmitted to the final output shaft via the first gear transmission mechanism, Control means is provided to engage the second friction clutch so that the driving force of the motor / generator is transmitted to the final output shaft through the first input shaft and the first gear transmission mechanism together with the driving force of the engine.
- the motor / generator is operated in a state where the driving force of the engine is transmitted to the final output shaft that drives the driving wheel via the first gear transmission mechanism. Since the first friction clutch and the second friction clutch are engaged with each other when the driving force is transmitted via the second gear speed change mechanism as a motive force, the input member and the output member of each friction clutch rotate relative to each other. No drag torque is generated and no power loss occurs.
- the skeleton figure explaining the whole structure of one Embodiment of the hybrid power unit by this invention.
- the skeleton figure which shows the state which drives the driven member with an engine via the 1st clutch and 1st gear change mechanism in embodiment shown in FIG.
- the skeleton figure which shows the state which drives the driven member with an engine via the 2nd clutch and 2nd gear change mechanism in embodiment shown in FIG.
- the skeleton figure which shows the state which drives the driven member with a motor via the 1st and 2nd gear change mechanism in embodiment shown in FIG.
- the skeleton figure which shows the state which drives the driven member with an engine and a motor via the 1st and 2nd clutch and 1st gear change mechanism in embodiment shown in FIG.
- the skeleton figure which shows the state which drives the driven member with an engine and a motor via the 2nd clutch and the 2nd gear change mechanism in embodiment shown in FIG.
- the skeleton figure which shows the state which drives a driven member with an engine via the 1st clutch and 1st gear change mechanism in a prior art, and drives a driven member with a motor via a 2nd clutch.
- the skeleton figure which shows the modification of the hybrid power plant shown in FIG.
- a control system for a hybrid power plant according to the present invention is applied to an automatic transmission TM having six forward speeds and one reverse speed shown in FIG.
- This automatic transmission TM is of a dual clutch type, and a first input shaft 13a and a second input shaft 13b, which are rotatably supported in parallel with each other in a transmission housing H, are respectively a first friction clutch C1 and a second friction clutch C1. It is connected to the output shaft 10a of the engine 10 via the friction clutch C2.
- An input member of the first friction clutch C1 is coupled to a support shaft 11d of a driven gear 11b meshed with a drive gear 11a that rotates integrally with the output shaft 10a of the engine 10.
- the input member of the second friction clutch C2 is coupled to the support shaft 11e of the driven gear 11c meshed with the drive gear 11a that rotates integrally with the output shaft 10a of the engine 10.
- the final output shaft 14c is connected to the drive wheel 19 via a drive pinion 16a, a ring gear 16b, a differential gear 17 and an axle shaft 18.
- the first and second friction clutches C1 and C2 constituting the dual clutch 12 become a half-clutch in the middle of the shift speed change, and one transmission torque and the other transmission torque increase or decrease in opposite directions. Then, after completion of the shift speed change, one of the friction clutches is completely engaged and its transmission torque becomes a predetermined maximum value, and the other friction clutch is completely released and its transmission torque becomes zero. Further, it is controlled by the control device 20 described later.
- a first gear transmission mechanism SM1 having a gear switching mechanism M is provided between the first input shaft 13a and the first output shaft 14a, and a gear switching mechanism is provided between the second input shaft 13b and the second output shaft 14b.
- a second gear transmission mechanism SM2 having M is provided.
- the first gear transmission mechanism SM1 includes first-speed, third-speed, and fifth-speed (odd-numbered) transmission gear pairs G1, G3, G5 and a reverse gear train GB.
- each drive gear is fixed to the first input shaft 13a, and each driven gear is rotatably supported by the first output shaft 14a.
- first switching clutch D1 that selectively couples each to the first output shaft 14a, and the fifth transmission gear pair G5.
- a third switching clutch D3 that is selectively connected to the first output shaft 14a is provided between the driven gears of the reverse gear train GB.
- An idle gear is interposed between the drive gear and the driven gear of the reverse gear train GB.
- the second gear switching mechanism SM2 includes second, fourth and sixth (even-numbered) speed gear pairs G2, G4 and G6.
- each drive gear is fixed to the second input shaft 13b, and each driven gear is rotatably supported by the second output shaft 14b.
- a second switching clutch D2 that is selectively connected to the second output shaft 14b, and the sixth transmission gear pair G6.
- a fourth switching clutch D4 that selectively couples the driven gear to the second output shaft 14b is provided on one side of the driven gear.
- Each of the switching clutches D1 to D4 has a known synchromesh mechanism, and includes a clutch hub L fixed to each of the first output shaft 14a and the second output shaft 14b, and a sleeve (operation Member) M.
- Each sleeve M is reciprocated in the axial direction automatically or manually via the shift forks F1 to F4, and engages with an engagement member N fixed to the driven gears on both sides (or one side).
- Each driven gear is selectively connected to the clutch hub L.
- a motor / generator 15 is connected to the second input shaft 13b.
- the motor / generator 15 operates under the control of the control device 20, and operates as a motor by being supplied with electric power from a battery (not shown) when traveling at a low speed or when the engine 10 has no output margin.
- the driving wheel 19 is driven in cooperation with the engine 10.
- the motor / generator 15 is driven by the first input shaft 13a and operates as a generator when the engine 10 is driven from the drive wheel 19 side or when the output of the engine 10 has a margin. Function to charge.
- the motor / generator 15 is connected to one end of the second input shaft 13b.
- the motor / generator 15 may be connected to the first input shaft 13a.
- all the drive gears of the transmission gear pairs G1 to G6 and the reverse gear train GB are fixed to the first or second input shafts 13a and 13b, and all the driven gears are all the first gears.
- the second output shafts 14a and 14b are rotatably provided, and the first to fourth switching clutches D1 to D4 are all provided on the first or second output shafts 14a and 14b.
- a part of the switching clutches D1 to D4 is provided on the first or second input shaft 13a, 13b, and the corresponding drive gear is rotatably provided on the first or second input shaft 13a, 13b, and the corresponding driven gear. May be fixed to the first or second output shaft 14a, 14b.
- the motor / generator 15 may be provided on the first input shaft 13a instead of being provided on the second input shaft 13b.
- the control device 20 gradually increases the engagement force of the first friction clutch C1 of the dual clutch 12. As a result, the driving torque of the engine 10 is driven from the first friction clutch C1 to the driving wheel via the first input shaft 13a, the first transmission gear pair G1, the first output shaft 14a, the final output shaft 14c, the differential gear 17 and the axle shaft 18. The vehicle starts to travel at the first speed.
- the control device 20 moves the sleeve M of the second switching clutch D2 to the right to move the second gear switching mechanism SM2.
- the second friction clutch C2 is engaged, and at the same time, the first friction clutch C1 is disengaged to switch to the second speed drive train.
- the sleeve M of the first switching clutch D1 is returned to the neutral position.
- the control device 20 selectively forms a gear stage suitable for the traveling state of the automobile and alternately switches the engagement of the first friction clutch C1 and the second friction clutch C2.
- the control device 20 moves the sleeve M of the third switching clutch D3 to the left to form the reverse stage by the reverse gear train GB, and the accelerator pedal
- the control device 20 gradually increases the engagement force of the first friction clutch C1.
- the drive torque of the engine 10 is transmitted to the first input shaft 13a via the reverse gear train GB, and reverse rotation is started by the same operation as in the first speed.
- the control device 20 can move the vehicle with the drive torque of the engine 10 described above by setting the shift lever of the transmission to the forward position while the vehicle is stopped.
- the first gear stage is formed by the first gear transmission mechanism SM1
- the motor / generator 15 is supplied with power according to the depression of the accelerator pedal to operate as an electric motor.
- the first friction clutch C1 and the second friction clutch The engagement force of the clutch C2 is gradually increased.
- the drive torque of the motor / generator 15 becomes the second input shaft 13b, the first friction clutch C1 and the second friction clutch C2, the first input shaft 13a, the first transmission gear pair G1, the first output shaft 14a, and the final output.
- the vehicle is transmitted to the drive wheel 19 through the shaft 14c, the differential gear 17 and the axle shaft 18, and the vehicle starts to travel at the first speed. 4 indicates the power transmission path in a state where the vehicle is traveling at the first speed in this way.
- the control device 20 When the driving state of the vehicle becomes suitable for driving at the second speed by depressing the accelerator pedal, the control device 20 temporarily stops the power supply to the motor / generator 15 and engages the friction clutches C1 and C2.
- the first switching clutch D1 is returned to the neutral position and the second gear stage is formed by the second gear transmission mechanism SM2 in the same manner as described above, and then the motor / generator 15 is fed again to operate as an electric motor. Then, the vehicle is driven at the second speed stage.
- the broken-line arrows in FIG. 4 indicate the power transmission path in a state where the vehicle is traveling at the second speed in this way.
- control device 20 selectively forms gears suitable for the driving state of the vehicle, and engages both friction clutches C1 and C2 when each gear of the first gear transmission mechanism SM1 is used.
- both the friction clutches C1 and C2 are disengaged to selectively form a gear stage according to the traveling state of the automobile.
- the engine 10 is started in a state where the driving torque of the motor / generator 15 is transmitted to the driving wheel 19 via the second gear transmission mechanism, and the driving torque is driven to the driving wheel.
- the control device 20 first engages the second friction clutch C2 and starts the engine 10 by the motor / generator 15 transmitted from the second input shaft 13b.
- the control device 20 releases the engagement of the second friction clutch C2 after the engine 10 is started, and each transmission gear pair of the first gear transmission mechanism SM1 and the second gear transmission mechanism SM2 according to the traveling state of the automobile. Any one of G1 to G6 is selected, and each of the switching clutches D1 to D4 forms its shift speed.
- the control device 20 releases all the gears of the second gear switching mechanism SM2 and performs the first friction.
- the clutch C1 and the second friction clutch C2 are both engaged, and the drive torque of the engine 10 is changed at any gear stage (for example, the third gear stage) of the first gear transmission mechanism SM1 via the first friction clutch C1.
- the drive torque of the motor / generator 15 is transmitted through the second friction clutch C2 and the first friction clutch C1 to any one of the gear stages (for example, the third speed).
- the transmission wheel 19 is controlled at a gear ratio.
- the controller 20 controls the first gear switching mechanism SM1. Only the second friction clutch C2 is engaged without selecting any gear speed, and the driving torque of the engine 10 is changed to any gear speed (for example, the first gear speed mechanism SM2) via the second friction clutch C2.
- the transmission torque of the motor / generator 15 is transmitted to any one of the second gear switching mechanisms SM2 (for example, the fourth gear), and the drive wheel 19 is transmitted to the drive wheels 19 with a gear ratio of (fourth gear). To be transmitted to. (See solid arrow and dotted arrow in Fig.
- the power transmission from the engine 10 is alternately engaged with the first and second friction clutches C1 and C2 as in FIGS.
- the first and second gear switching mechanisms SM1 and SM2 are combined, and the power transmission from the motor / generator 15 is performed using only the second gear switching mechanism SM2 as in FIG. Therefore, when the driving torque of both the engine 10 and the motor / generator 15 is transmitted, the driving torque is transmitted from the engine 10 to the driving wheel 19 when the first gear switching mechanism SM1 is used.
- C1 see the broken line arrow in FIG. 7
- the second friction clutch C2 see the broken line arrow in FIG.
- motor generator 15 The transmission of the drive torque from the drive wheel 19 to the drive wheel 19 is always performed by using only the second gear switching mechanism SM2 without using both friction clutches C1 and C2 (see solid line arrows in FIGS. 6 and 7). Obviously.
- the state shown in FIG. 6 is the same as in the above-described embodiment, and there is no particular problem.
- the first gear switching is performed in the state where the first friction clutch C1 is engaged and the driving torque is transmitted from the engine 10 to the driving wheel 19 using the first gear switching mechanism SM1, the first gear switching is performed.
- the power loss due to the drag torque is not limited to the case where the vehicle travels by both the engine 10 and the motor / generator 15, but the vehicle is driven by the engine 10 and the motor / generator 15 is operated as a generator to charge the battery. Even in this case, power is transmitted between the engine 10 and the driving wheel 19 and between the motor / generator 15 and the driving wheel 19, and therefore exists in the same manner.
- This modified example also includes a dual clutch type automatic transmission TM having six forward speeds and one reverse speed.
- the main difference between the automatic transmission TM of this modified example and the automatic transmission TM shown in FIG. 1 is that the first driven by the engine 10 via the first and second friction clutches C1 and C2 constituting the dual clutch 12.
- the first and second input shafts 13a and 13b are double shafts arranged coaxially with each other, and the three output shafts 14a, 14a, 14e, 14f connected by the output gears 14d, 14e, 14f in the automatic transmission TM shown in FIG. 14b and 14c and gears 14d to 14f are grouped into one output shaft 14.
- the first and second input shafts 13a and 13b are rotationally driven by the engine 10 by connecting the clutch cover 12a of the dual clutch 12 to the output shaft 10a of the engine 10, and the output shaft 14 is connected to the final reduction gear pair 16c. 16 d, the differential gear 17 and the axle shaft 18 are connected to the drive wheel 19.
- the first and second friction clutches C1 and C2 constituting the dual clutch 12 control the hybrid power unit so that the transmission torques of one and the other increase and decrease in opposite directions. It is controlled by the device 20.
- a first gear switching mechanism SM1 is provided between the rear half of the first input shaft 13a protruding from the second input shaft 13b and the output shaft 14, and a second gear is provided between the second input shaft 13b and the second output shaft 14b.
- a two-gear switching mechanism SM2 is provided.
- the two gear switching mechanisms SM1 and SM2 have substantially the same structure as the gear switching mechanisms SM1 and SM2 shown in FIG.
- the motor / generator 15 is connected to the second input shaft 13b by meshing the gear 15b fixed to the output / input shaft 15a with the drive gear of the sixth transmission gear pair G6.
- the first and second input shafts 13a and 13b are coaxially arranged, and the first and second output shafts 14a and 14b are combined into one output shaft 14, and the motor generator
- the control device 20 of this modified example controls the operation of the automatic transmission TM and the engine 10 as well as the control device 20 of the above-described embodiment, and is connected to the first input shaft 13a that is not directly connected to the motor / generator 15.
- the drive torque of the engine 10 is transmitted to the output shaft 14 via the first gear switching mechanism SM1 provided between the first input shaft 13a and the output shaft 14 with the provided first friction clutch C1 engaged, and
- the second friction clutch C2 provided on the second input shaft 13b is also engaged, and the motor / generator 15 is connected to the second input shaft 13b, the first and The first and second friction clutches C1, C2, and the second friction clutches C1, C2, and the first input shaft 13a are connected to the output shaft 14 via the first gear switching mechanism SM1.
- the second friction clutch C2 is also engaged.
- the engine 10 and the motor / generator 15 are both connected to the third output shaft 14c via the first gear switching mechanism SM1, and the first and second friction clutches C1 and C2 are both engaged. Since the clutch cover and the clutch plate are not rotated relative to each other, power loss due to drag torque does not occur, and the fuel consumption rate can be reduced.
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
Description
以上は、モータ・ジェネレータ15により駆動車輪19が駆動されている状態にて、エンジン10の駆動トルクが駆動車輪19に伝達される場合について説明したが、図2及び図3に示すように、エンジン10の駆動トルクにより駆動車輪19が駆動されている状態にて、モータ・ジェネレータ15の駆動トルクを駆動車輪19に伝達する場合にも、制御装置20は、上記と同様な制御により、駆動車輪19への動力伝達経路を図5及び図6に示す状態として、エンジン10の駆動トルクとモータ・ジェネレータ15の駆動トルクにより駆動車輪19が駆動されるようにする。
Claims (4)
- エンジンの駆動力が第1摩擦クラッチを介して伝達される
第1入力軸に組付けた第1歯車変速機構と、同エンジンの駆動力が第2摩擦クラッチを介して伝達される第2入力軸に組付けた第2歯車変速機構と、前記第2入力軸に接続したモータ・ジェネレータと、前記両歯車変速機構の各出力軸に連結されてその入力端に伝達される駆動力を被駆動装置に伝達する最終出力軸とを備えて、前記モータ・ジェネレータを電動機として作動させたときその駆動力が前記第2歯車変速機構にて選択された変速段を介して前記最終出力軸に伝達されるようにしたハイブリッド動力装置であって、
前記第1摩擦クラッチが係合されて前記第1入力軸に伝達される前記エンジンの駆動力が前記第1歯車変速機構を介して前記最終出力軸に伝達される状態にて前記モータ・ジェネレータが電動機として作動したとき、前記第2摩擦クラッチを係合させて前記モータ・ジェネレータの駆動力が前記エンジンの駆動力と共に前記第1入力軸と第1歯車変速機構を介して前記最終出力軸に伝達されるようにする制御手段を備えたハイブリッド動力装置。 - エンジンの駆動力が第1摩擦クラッチを介して伝達される第1入力軸に組付けた第1歯車変速機構と、同エンジンの駆動力が第2摩擦クラッチを介して伝達される第2入力軸に組付けた第2歯車変速機構と、前記第1入力軸に接続したモータ・ジェネレータと、前記両歯車変速機構の各出力軸に連結されてその入力端に伝達される駆動力を被駆動装置に伝達する最終出力軸とを備えて、前記モータ・ジェネレータを電動機として作動させたときその駆動力が前記第1歯車変速機構にて選択された変速段を介して前記最終出力軸に伝達されるようにしたハイブリッド動力装置であって、
前記第2摩擦クラッチが係合されて前記第2入力軸に伝達される前記エンジンの駆動力が前記第2歯車変速機構を介して前記最終出力軸に伝達される状態にて前記モータ・ジェネレータが電動機として作動したとき、前記第1摩擦クラッチを係合させて前記モータ・ジェネレータの駆動力が前記エンジンの駆動力と共に前記第2入力軸と第2歯車変速機構を介して前記最終出力軸に伝達されるようにする制御手段を備えたハイブリッド動力装置。 - 請求項1に記載のハイブリッド動力装置において、前記第1歯車変速機構に奇数段の変速ギヤ対を設け、前記第2歯車変速機構に偶数段の変速ギヤ対を設けたことを特徴とするハイブリッド動力装置。
- エンジンの駆動力が第1摩擦クラッチを介して伝達される第1入力軸に組付けた第1歯車変速機構と、同エンジンの駆動力が第2摩擦クラッチを介して伝達される第2入力軸に組付けた第2歯車変速機構と、前記第2入力軸に接続したモータ・ジェネレータとを備えて、前記両歯車変速機構の出力軸に連結した最終出力軸に伝達される駆動力により被駆動装置を駆動するハイブリッド動力装置であって、
前記第1摩擦クラッチが係合されて前記エンジンの駆動力が前記第1歯車変速機構を介して前記最終出力軸に伝達される状態にて前記モータ・ジェネレータが電動機として作動したとき、前記第2摩擦クラッチを係合させて前記モータ・ジェネレータの駆動力が前記第1入力軸と第1歯車変速機構を介して前記エンジンの駆動力と共に前記最終出力軸に伝達されるようにする制御手段を備えたハイブリッド動力装置。
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CN200980114113.1A CN102015399B (zh) | 2008-04-21 | 2009-04-17 | 混合动力装置 |
US12/988,687 US8771135B2 (en) | 2008-04-21 | 2009-04-17 | Hybrid power drive apparatus |
EP09733979A EP2279922A4 (en) | 2008-04-21 | 2009-04-17 | HYBRID DRIVE DEVICE |
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JP2008-110543 | 2008-04-21 | ||
JP2008110543A JP4942212B2 (ja) | 2008-04-21 | 2008-04-21 | ハイブリッド動力装置 |
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US (1) | US8771135B2 (ja) |
EP (1) | EP2279922A4 (ja) |
JP (1) | JP4942212B2 (ja) |
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CN102015399B (zh) | 2014-06-18 |
EP2279922A4 (en) | 2011-07-20 |
JP2009262578A (ja) | 2009-11-12 |
JP4942212B2 (ja) | 2012-05-30 |
CN102015399A (zh) | 2011-04-13 |
US20110174558A1 (en) | 2011-07-21 |
US8771135B2 (en) | 2014-07-08 |
EP2279922A1 (en) | 2011-02-02 |
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