WO2006137288A1 - Torque transmission device - Google Patents
Torque transmission device Download PDFInfo
- Publication number
- WO2006137288A1 WO2006137288A1 PCT/JP2006/311809 JP2006311809W WO2006137288A1 WO 2006137288 A1 WO2006137288 A1 WO 2006137288A1 JP 2006311809 W JP2006311809 W JP 2006311809W WO 2006137288 A1 WO2006137288 A1 WO 2006137288A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission device
- release mechanism
- torque transmission
- torque
- motor generator
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/087—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation the clutch being actuated by the fluid-actuated member via a diaphragm spring or an equivalent array of levers
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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
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; 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 driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
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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
- B60K6/40—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
- B60K6/405—Housings
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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
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2054—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed by controlling transmissions or clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/30—Electric propulsion with power supplied within the vehicle using propulsion power stored mechanically, e.g. in fly-wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/50—Drive Train control parameters related to clutches
- B60L2240/507—Operating parameters
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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
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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
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a torque transmission device, and more particularly to a torque transmission device for transmitting engine output torque to a transmission.
- hybrid drive devices have been proposed as one of the technologies for improving the fuel efficiency of automobiles.
- This hybrid drive device is configured to assist the engine.
- a motor generator is arranged in a tonnec transmission system for transmitting engine output torque to a transmission, and regeneration is performed to extract kinetic energy during travel as electric power, or to a battery.
- the charged electricity is converted into motor generator rotation and input to the transmission.
- Patent Document 1 JP 2000-142135 A
- the clutch drive device and the motor generator are arranged side by side on the same axis, so that the housing provided between the engine and the transmission becomes long. For this reason, mounting on a vehicle may be difficult.
- An object of the present invention is to reduce the axial length of a tonnec transmission device mounted on a hybrid drive device, and facilitate mounting on a vehicle.
- a torque transmission device is a device for transmitting an output torque of an engine to a transmission, and is connected to an input-side member connected to an engine-side member and a transmission-side member.
- a dry clutch device having an output member, an annular pressing member that transmits or blocks torque between the input member and the output member, and interrupts the dry clutch device by pressing the inner peripheral side of the pressing member. Torque transmission between the release mechanism and the output side member.
- a motor generator that can The motor generator includes a rotor disposed on the outer peripheral side of the release mechanism so as to overlap the release mechanism in the axial direction, a rotor mounted on the output side member, and a stator disposed opposite to the rotor.
- the output torque of the engine is transmitted in the order of the input side member, the dry clutch device, and the output side member.
- a motor generator including a rotor and a stator mounted on the output side member performs regeneration to extract kinetic energy during traveling as electricity, or converts electricity charged in the battery into rotation of the motor generator. Then, an operation of inputting to the transmission is executed.
- the motor generator is arranged on the outer peripheral side of the release mechanism so as to overlap the release mechanism in the axial direction. For this purpose, it is possible to reduce the axial length of the housing.
- a torque transmission device is the torque transmission device according to claim 1, wherein the release mechanism presses the inner peripheral side of the annular pressing member, and a plate for moving the release bearing. It has a member and a piston that presses the plate member.
- the plate member is pressed by the piston and moved to the engine side, and the release bearing is moved to the engine side as the plate member moves.
- a torque transmission device is the torque transmission device according to claim 2, wherein the release mechanism further includes a biasing member for pressing the release bearing against the pressing member.
- the release bearing is configured to be pressed against the pressing member by the urging member to prevent the pressing member and the release bearing from separating in the clutch disengaged state. For this reason, wear due to the collision between the two is suppressed, and the collision noise is also suppressed.
- a torque transmission device is the tonnec transmission device according to the second aspect, wherein the piston is driven by hydraulic pressure.
- a torque transmission device according to claim 5 is the tonnec transmission device according to claim 4, wherein the space in which the motor generator is disposed and the space in which the dry clutch device and the release mechanism are disposed are separated by a partition wall.
- the partition wall is formed with a fluid supply path for supplying a fluid for operating the piston of the release mechanism.
- FIG. 1 is a schematic diagram of a drive system of a torque transmission device according to the present invention.
- FIG. 2 is a cross-sectional view of a torque transmission device according to the present invention.
- FIG. 3 is a partially enlarged cross-sectional view of a torque transmission device according to the present invention.
- FIG. 1 shows a schematic diagram of a drive system of a vehicle using a tonnect transmission device 1 according to an embodiment of the present invention.
- FIG. 2 shows details of the torque transmission device 1.
- This torque transmission device 1 is a device for transmitting the output torque of the engine 100 to the transmission 101, and is shown in FIG.
- the damper mechanism 2, the clutch disk assembly 3, the clutch cover assembly 4, the release mechanism 5, and the motor generator 6 are provided. The above components are accommodated in the housing 7.
- the housing 7 is a cylindrical member, and includes a first housing 7a on the engine side and a second housing 7b on the transmission 101 side.
- the first housing 7a accommodates the damper mechanism 2, the clutch disk assembly 3, the clutch cover assembly 4, and the release mechanism 5, and the second housing 7b accommodates the motor generator 6.
- a partition wall 19 is provided to block the space inside the first housing 7a and the space inside the second housing 7b.
- the outer peripheral end of the partition wall 19 is fixed to the end of the second housing 7b on the engine side, and the inner peripheral end is fixed to the release mechanism 5.
- the partition wall 19 includes a first disc-shaped portion 19a, a cylindrical portion 19b disposed on the inner peripheral side of the first disc-shaped portion 19a, and a speed change of the cylindrical portion 19b. And a second disc-shaped portion 19c formed at the end portion on the machine 101 side.
- a hydraulic pressure supply passage 30 is disposed inside the partition wall 19.
- the hydraulic pressure supply passage 30 is a portion for supplying the hydraulic pressure of the hydraulic pressure supply device to a cylinder portion 40 described later.
- the hydraulic pressure supply path 30 includes a first supply path 30a formed in the first disk-shaped part 19a, a second supply path 30b formed in the cylindrical part 19b, and a second disk-shaped part.
- a third supply path 30c formed in 19c and a connection part 30d extending from the third supply path 30c to a cylinder portion 40 described later are configured.
- the damper mechanism 2 includes a damper portion 8, a first flywheel 11, and a second flywheel 12.
- the damper portion 8 includes a pair of driven plates 9 and a coil spring 10.
- the driven plate 9 is a disk-like member and has corrugated external teeth formed on the outer periphery of the boss portion of the second flywheel 12. As a result, the driven plate 9 and the second flywheel 12 can rotate together.
- a plurality of window holes are formed in the driven plate 9 at predetermined intervals in the rotation direction, and coil springs 10 are arranged in the plurality of window holes.
- the first flywheel 11 is a substantially disk-shaped member, and has a central boss portion and an outer peripheral annular wall protruding toward the second flywheel 12 side. Between the boss and the outer ring wall An annular recess for accommodating the damper portion 8 is formed. A large-diameter center hole is formed at the center of the boss, and a lubricant-sealed bearing is mounted on the outer periphery of the boss.
- the second flywheel 12 is a substantially disk-shaped member, and has a boss portion arranged at the center.
- the boss part protrudes to the first flywheel 11 side, and a bearing is mounted on the inner peripheral part thereof. Further, in the boss portion, a corrugated external tooth is formed on the outer peripheral portion on the front end side. Further, the end surface of the second flywheel 12 on the transmission 101 side is the first friction member 17 of the friction facing portion 14 described later. The friction surface is pressed against.
- the clutch disk assembly 3 includes a hub 13 and a friction facing portion 14.
- the hub 13 is a member that is formed in a cylindrical shape and that transmits power transmitted from the engine to the shaft 51 on the transmission 101 side.
- the hub 13 has a spline hole that engages with the shaft 51 at the inner peripheral portion and a flange at the outer peripheral portion.
- the friction facing portion 14 is a portion for transmitting or blocking torque between the second flywheel 12 and the shaft 51, and includes an annular plate member 15, a core plate 16, and a pair of friction members 17. , 18 and les.
- the plate member 15 is fixed to the outer peripheral portion of the flange of the hub 13 by a rivet 36
- the core plate 16 is fixed to the outer peripheral portion of the plate member 15 by the rivet 36.
- the pair of friction members 17 and 18 are fixed to both surfaces of the core plate 16 by rivets 37.
- the clutch cover assembly 4 has a clutch cover 20, a diaphragm spring 21, and a pressure plate 22.
- the clutch cover 20 is dish-shaped and has a large-diameter hole at its center.
- the outer peripheral end of the clutch force bar 20 is fixed to the second flywheel 12 by a plurality of bolts.
- the pressure plate 22 is a member for clamping the friction facing portion 14 of the clutch disk assembly 3 between the friction surfaces of the second flywheel 12.
- the pressure plate 22 is a member that is pressed to the engine side by the diaphragm spring 21 and is disposed in the clutch cover 20.
- the pressure plate 22 is an annular member, and has a pressing surface that faces the friction facing portion 14 of the clutch disk assembly 3.
- a plurality of arc-shaped protrusions extending toward the transmission 101 are formed on the inner peripheral side of the surface on the transmission 101 side of the pressure plate 22 (the surface opposite to the pressing surface).
- the diaphragm spring 21 is a member that biases the pressure plate 22 toward the second flywheel 12. As shown in FIG. 3, the diaphragm spring 21 includes an annular spring portion 21a and a plurality of lever portions 21b extending from the inner periphery to the center side.
- a slit is formed between the circumferential directions of the plurality of lever portions 21b.
- the spring portion 21 a is compressed in the axial direction between the clutch cover 20 and the pressure plate 22, and always applies a pressing load to the pressure plate 22. More specifically, the axial engine side surface of the outer peripheral edge of the spring portion 21 a is in contact with the protruding portion of the pressure plate 22, and the axial transmission side surface of the inner peripheral edge is supported by the clutch cover 20.
- a release bearing 31 for operating the lever portion 21b to disconnect and connect the clutch is disposed at the tip of the lever portion 21b.
- the release mechanism 5 is a mechanism for pressing the inner peripheral side of the diaphragm spring 21 to put the friction facing portion 14 in a power shut-off state.
- the release mechanism 5 includes a release bearing 31 that presses the lever portion 21b of the diaphragm spring 21, a plate member 32 that moves the release bearing 31, and a cylinder portion that includes a piston 40a that presses the plate member 32 inside. With 40.
- a coil spring 34 for urging the release bearing 31 toward the engine 100 via the plate member 32 is disposed on the outer peripheral side of the piston 40a.
- the release bearing 31 includes an inner race 31a, an outer race 31b, and a plurality of balls 31c disposed between the races.
- the inner race 31a is a cylindrical member, and one end thereof is bent toward the outer peripheral side, and this bent portion contacts the inner peripheral end of the lever portion 21b of the diaphragm spring 21. ing.
- the outer race 31b is a cylindrical member and is fixed to the plate member 32.
- the plate member 32 includes a disc portion 32a and a cylindrical portion 32b provided to project from the inner peripheral portion of the disc portion 32a.
- the side surface of the disc portion 32a on the side where the release bearing 31 is disposed is in contact with the inner race 31a on the inner peripheral side and is in contact with the outer race 31b on the outer peripheral side.
- the coil spring 34 is fixed between the plate member 32 and the connecting portion 30d.
- the first member 32 is urged toward the engine 100 side. Due to the urging force of the coil spring 34, the inner race 31a of the release bearing 31 and the diaphragm spring 21 are in contact with each other.
- a cover member 50 is disposed on the outer peripheral side of the coil spring 34, and the cylinder portion 40 is protected by the cover member 50.
- the motor generator 6 is disposed on the outer peripheral side of the release mechanism 5 so as to overlap the release mechanism 5 in the axial direction.
- the motor generator 6 includes a rotor 45 attached to the output side shaft 51 via the hub 60, and a stator 46 disposed so as to face the rotor 45. Torque transmission is possible.
- the motor generator 6 is disposed in a space in the second clutch housing 7b.
- the rotor 45 is connected to the output side shaft 51 and has a rotor magnet made of a permanent magnet on the outer peripheral side.
- the release mechanism 5 is disposed between the clutch cover assembly 4 in the first clutch housing 7a and the motor generator 6 in the second clutch housing 7b, so that foreign matter moves between the two spaces. Can be prevented.
- the stator 46 is fixed to the inner peripheral wall surface of the upper part of the cylinder in the housing 7, and is wound with a coil and connected to a battery (not shown) to exchange electricity.
- the motor generator 6 is arranged on the outer peripheral side overlapping the release mechanism 5 in the axial direction, the shaft of the housing 7 is compared with the case where the motor generator is arranged side by side with the release mechanism 5 in the axial direction. The direction length becomes shorter.
- the driving force of the motor generator 6 is The vehicle travels by being transmitted to the shaft 51.
- the driving force of the motor generator 6 can prevent the driving loss because the friction on the engine side is cut off because the friction facing portion 14 is cut off. Further, when the motor generator 6 is used to regenerate the kinetic energy of the vehicle, the loss of the frictional energy on the engine side is prevented.
- the friction facing portion 14 is connected to drive the engine, while the motor generator 6 is not supplied with power. Then, the torque from the engine is transmitted to the hub 13 via the damper mechanism 2 and the friction facing portion 14 and is transmitted to the output side shaft 51, and the vehicle travels only by the engine.
- the hydraulic pressure does not act on the diaphragm spring 21, and only the urging force of the coin spring 34 acts on the diaphragm spring 21.
- the release bearing 31 is biased toward the diaphragm spring 21 by the biasing force of the coil spring 34, there is no gap between the release bearing 31 and the diaphragm spring 21. For this reason, wear and impact noise of the release bearing 31 and the diaphragm spring 21 occur.
- the pressing force by the coil spring 34 is a force that cannot move the lever portion of the diaphragm spring 21 to the engine side, the pressure plate 22 is pressed by the spring portion of the diaphragm spring 21. In this state, the friction facing portion 14 and the second flywheel 12 are in frictional engagement.
- the length of the clutch housing can be shortened.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
A torque transmission device for transmitting output toque of an engine (100) to a transmission (101). The torque transmission device has an input side member connected to a member on the engine (100) side, a shaft (51) connected to a member on the transmission (101) side, a dry clutch device having an annular diaphragm spring (21) for transmitting or interrupting torque between the input side member and the shaft (51), a release mechanism (5) for pressing the inner periphery side of the diaphragm spring (21) to disengage the dry clutch, and a motor-generator capable of transmitting torque between itself and the shaft (51). The motor-generator (6) is provided on the outer periphery side of the release mechanism (5) so as to be coaxial with the release mechanism (5), and has a rotor (45) installed on the shaft (51) and a stator (46) provided facing the rotor (45).
Description
明 細 書 Specification
トルク伝達装置 Torque transmission device
技術分野 Technical field
[0001] 本発明は、トルク伝達装置、特に、エンジンの出力トルクを変速機に伝達するため のトノレク伝達装置に関する。 TECHNICAL FIELD [0001] The present invention relates to a torque transmission device, and more particularly to a torque transmission device for transmitting engine output torque to a transmission.
背景技術 Background art
[0002] 近年、 自動車の燃費向上を図る技術の一つとして、ハイブリッド駆動装置が提案さ れてレ、る。このハイブリッド駆動装置はエンジンをアシストするように構成されてレ、る。 具体的には、ハイブリッド装置では、エンジンの出力トルクを変速機に伝達するため のトノレク伝達系にモータジェネレータが配置されており、走行時の運動エネルギを電 気として取り出す回生を行ったり、バッテリに充電された電気をモータジェネレータの 回転に変換して変速機に入力したりすることが行われる In recent years, hybrid drive devices have been proposed as one of the technologies for improving the fuel efficiency of automobiles. This hybrid drive device is configured to assist the engine. Specifically, in a hybrid device, a motor generator is arranged in a tonnec transmission system for transmitting engine output torque to a transmission, and regeneration is performed to extract kinetic energy during travel as electric power, or to a battery. The charged electricity is converted into motor generator rotation and input to the transmission.
このようなハイブリッド駆動装置の一例力 特開 2000— 142135号公報に示されて いる。この公報に示された装置では、エンジンと変速機との間に、乾式クラッチとクラ ツチ駆動装置とモータジェネレータとが、同軸上に並んで配置されている。 An example of such a hybrid drive device is disclosed in Japanese Patent Application Laid-Open No. 2000-142135. In the apparatus disclosed in this publication, a dry clutch, a clutch driving device, and a motor generator are arranged side by side on the same axis between an engine and a transmission.
特許文献 1 :特開 2000— 142135号公報 Patent Document 1: JP 2000-142135 A
発明の開示 Disclosure of the invention
[0003] 従来のハイブリッド駆動装置では、クラッチ駆動装置とモータジェネレータとが同軸 上に並んで配置されているために、エンジンと変速機との間に設けられたハウジング が長くなる。このために、車両への搭載が困難となる場合がある。 [0003] In the conventional hybrid drive device, the clutch drive device and the motor generator are arranged side by side on the same axis, so that the housing provided between the engine and the transmission becomes long. For this reason, mounting on a vehicle may be difficult.
[0004] 本発明の課題は、ハイブリッド駆動装置に搭載されるトノレク伝達装置の軸方向長さ を短縮して、車両への搭載を容易にすることにある。 [0004] An object of the present invention is to reduce the axial length of a tonnec transmission device mounted on a hybrid drive device, and facilitate mounting on a vehicle.
[0005] 請求項 1に係るトルク伝達装置は、エンジンの出力トノレクを変速機に伝達するため の装置であって、エンジン側の部材に連結された入力側部材と、変速機側の部材に 連結された出力側部材と、入力側部材と出力側部材との間でトルクを伝達あるいは 遮断する環状の押圧部材を有する乾式クラッチ装置と、押圧部材の内周側を押圧し て乾式クラッチ装置を遮断状態にするレリーズ機構と、出力側部材との間でトルク伝
達が可能なモータジェネレータとを備えている。そして、モータジェネレータは、レリー ズ機構の外周側にレリーズ機構と軸方向に重なるように配置され、出力側部材に装 着されたロータとロータに対向して配置されたステータとを有する。 [0005] A torque transmission device according to claim 1 is a device for transmitting an output torque of an engine to a transmission, and is connected to an input-side member connected to an engine-side member and a transmission-side member. A dry clutch device having an output member, an annular pressing member that transmits or blocks torque between the input member and the output member, and interrupts the dry clutch device by pressing the inner peripheral side of the pressing member. Torque transmission between the release mechanism and the output side member. A motor generator that can The motor generator includes a rotor disposed on the outer peripheral side of the release mechanism so as to overlap the release mechanism in the axial direction, a rotor mounted on the output side member, and a stator disposed opposite to the rotor.
[0006] このトルク伝達装置では、エンジンの出力トルクは、入力側部材、乾式クラッチ装置 、出力側部材の順に伝達される。このとき、出力側部材に装着されたロータおよびス テータを含むモータジェネレータによって、走行時の運動エネルギを電気として取り 出す回生を行ったり、あるいはバッテリに充電された電気をモータジェネレータの回 転に変換して変速機に入力したりする動作を実行する。 In this torque transmission device, the output torque of the engine is transmitted in the order of the input side member, the dry clutch device, and the output side member. At this time, a motor generator including a rotor and a stator mounted on the output side member performs regeneration to extract kinetic energy during traveling as electricity, or converts electricity charged in the battery into rotation of the motor generator. Then, an operation of inputting to the transmission is executed.
[0007] ここでは、モータジェネレータが、レリーズ機構の外周側において、レリーズ機構と 軸方向に重なるように配置されている。このために、ハウジングの軸方向長さを短縮 すること力 Sできる。 Here, the motor generator is arranged on the outer peripheral side of the release mechanism so as to overlap the release mechanism in the axial direction. For this purpose, it is possible to reduce the axial length of the housing.
[0008] 請求項 2に係るトルク伝達装置は、請求項 1のトルク伝達装置であって、レリーズ機 構は、環状の押圧部材の内周側を押圧するレリーズベアリングと、レリーズベアリング を移動させるプレート部材と、プレート部材を押圧するピストンとを有する。 [0008] A torque transmission device according to claim 2 is the torque transmission device according to claim 1, wherein the release mechanism presses the inner peripheral side of the annular pressing member, and a plate for moving the release bearing. It has a member and a piston that presses the plate member.
[0009] このトルク伝達装置では、ピストンによってプレート部材が押圧されてエンジン側へ 移動し、このプレート部材の移動に伴ってレリーズベアリングがエンジン側へ移動さ せられる。 [0009] In this torque transmission device, the plate member is pressed by the piston and moved to the engine side, and the release bearing is moved to the engine side as the plate member moves.
[0010] 請求項 3に係るトルク伝達装置は、請求項 2のトルク伝達装置であって、レリーズ機 構はレリーズベアリングを押圧部材に圧接するための付勢部材をさらに有する。 [0010] A torque transmission device according to claim 3 is the torque transmission device according to claim 2, wherein the release mechanism further includes a biasing member for pressing the release bearing against the pressing member.
[0011] ここで、クラッチ結合状態において、押圧部材とレリーズベアリングとの間に隙間が 存在すると、振動によって押圧部材とレリーズベアリングとが衝突を繰り返し、両者の 摩耗が促進されたり、衝突音が発生することになる。 [0011] Here, when there is a gap between the pressing member and the release bearing in the clutch engaged state, the pressing member and the release bearing repeatedly collide with each other due to vibration, and the wear of both is promoted or a collision noise is generated. Will do.
[0012] そこでこの請求項に係る発明では、レリーズベアリングを付勢部材によって押圧部 材に圧接するように構成し、クラッチ遮断状態で押圧部材とレリーズベアリングとが離 反するのを防止している。このため、両者の衝突による摩耗が抑えられ、また衝突音 が抑制される。 [0012] Therefore, in the invention according to this claim, the release bearing is configured to be pressed against the pressing member by the urging member to prevent the pressing member and the release bearing from separating in the clutch disengaged state. For this reason, wear due to the collision between the two is suppressed, and the collision noise is also suppressed.
[0013] 請求項 4に係るトルク伝達装置は、請求項 2に記載のトノレク伝達装置であって、ビス トンは油圧によって駆動される。
[0014] 請求項 5に係るトルク伝達装置は、請求項 4に係るトノレク伝達装置であって、モータ ジェネレータが配置された空間と乾式クラッチ装置及びレリーズ機構とが配置された 空間とは仕切り壁によって遮断されており、仕切り壁にはレリーズ機構のピストンを操 作する流体を供給するための流体供給路が形成されている。 [0013] A torque transmission device according to a fourth aspect is the tonnec transmission device according to the second aspect, wherein the piston is driven by hydraulic pressure. [0014] A torque transmission device according to claim 5 is the tonnec transmission device according to claim 4, wherein the space in which the motor generator is disposed and the space in which the dry clutch device and the release mechanism are disposed are separated by a partition wall. The partition wall is formed with a fluid supply path for supplying a fluid for operating the piston of the release mechanism.
[0015] ここでは、乾式クラッチ装置が配置された空間とモータジェネレータが配置された空 間との間で異物が行き来するのを防止でき、また流体供給路を効率的に配置できる 図面の簡単な説明 Here, it is possible to prevent foreign matters from moving back and forth between the space where the dry clutch device is arranged and the space where the motor generator is arranged, and the fluid supply path can be arranged efficiently. Explanation
[0016] [図 1]本発明に係るトルク伝達装置の駆動系の模式図。 FIG. 1 is a schematic diagram of a drive system of a torque transmission device according to the present invention.
[図 2]本発明に係るトルク伝達装置の断面図。 FIG. 2 is a cross-sectional view of a torque transmission device according to the present invention.
[図 3]本発明に係るトルク伝達装置の部分拡大断面図。 FIG. 3 is a partially enlarged cross-sectional view of a torque transmission device according to the present invention.
[図 4]油圧供給路の部分拡大図。 [Fig. 4] Partial enlarged view of the hydraulic supply path.
符号の説明 Explanation of symbols
[0017] 1 トルク伝達装置 [0017] 1 Torque transmission device
2 ダンパー機構 2 Damper mechanism
3 クラッチディスク組立体 3 Clutch disc assembly
4 クラッチカバー組立体 4 Clutch cover assembly
5 レリーズ機構 5 Release mechanism
6 モータジェネレータ 6 Motor generator
7 ハウジング 7 Housing
8 ダンパー機構 8 Damper mechanism
45 ロータ 45 rotor
46 ステータ 46 Stator
発明を実施するための最良の形態 BEST MODE FOR CARRYING OUT THE INVENTION
[0018] [トルク伝達装置の構成] [0018] [Configuration of torque transmission device]
図 1に本発明の一実施形態によるトノレク伝達装置 1を用いた車両の駆動系の模式 図を示す。また、図 2にトルク伝達装置 1の詳細を示す。このトルク伝達装置 1は、ェ ンジン 100の出力トルクを変速機 101に伝達するための装置であって、図 2に示すよ
うに、ダンパー機構 2と、クラッチディスク組立体 3と、クラッチカバー組立体 4と、レリー ズ機構 5と、モータジェネレータ 6とを有している。そして、以上の構成部材はハウジン グ 7内に収容されている。 FIG. 1 shows a schematic diagram of a drive system of a vehicle using a tonnect transmission device 1 according to an embodiment of the present invention. FIG. 2 shows details of the torque transmission device 1. This torque transmission device 1 is a device for transmitting the output torque of the engine 100 to the transmission 101, and is shown in FIG. In addition, the damper mechanism 2, the clutch disk assembly 3, the clutch cover assembly 4, the release mechanism 5, and the motor generator 6 are provided. The above components are accommodated in the housing 7.
[0019] ハウジング 7は、筒状の部材であり、エンジン側の第 1ハウジング 7aと、変速機 101 側の第 2ハウジング 7bとからなる。第 1ハウジング 7aには、ダンパー機構 2、クラッチ ディスク組立体 3、クラッチカバー組立体 4、及びレリーズ機構 5が収容され、第 2ハウ ジング 7bにはモータジェネレータ 6が収容されている。そして、第 1ハウジング 7a内部 の空間と第 2ハウジング 7b内部の空間とを遮断する仕切り壁 19が設けられている。 仕切り壁 19の外周端部は第 2ハウジング 7bのエンジン側の端部に固定され、内周端 部はレリーズ機構 5に固定されている。この仕切り壁 19は、図 4に示すように、第 1円 板状部 19aと、第 1円板状部 19aの内周側に配置された円筒状部 19bと、円筒状部 1 9bの変速機 101側端部に形成された第 2円板状部 19cとを有する。仕切り壁 19の内 部には油圧供給路 30が配置されている。 The housing 7 is a cylindrical member, and includes a first housing 7a on the engine side and a second housing 7b on the transmission 101 side. The first housing 7a accommodates the damper mechanism 2, the clutch disk assembly 3, the clutch cover assembly 4, and the release mechanism 5, and the second housing 7b accommodates the motor generator 6. A partition wall 19 is provided to block the space inside the first housing 7a and the space inside the second housing 7b. The outer peripheral end of the partition wall 19 is fixed to the end of the second housing 7b on the engine side, and the inner peripheral end is fixed to the release mechanism 5. As shown in FIG. 4, the partition wall 19 includes a first disc-shaped portion 19a, a cylindrical portion 19b disposed on the inner peripheral side of the first disc-shaped portion 19a, and a speed change of the cylindrical portion 19b. And a second disc-shaped portion 19c formed at the end portion on the machine 101 side. A hydraulic pressure supply passage 30 is disposed inside the partition wall 19.
[0020] 油圧供給路 30は、油圧供給装置の油圧を後述するシリンダ部分 40に供給するた めの部分である。また、油圧供給路 30は、第 1円板状部 19a内に形成された第 1供 給路 30aと、円筒状部 19b内に形成された第 2供給路 30bと、第 2円板状部 19c内に 形成された第 3供給路 30cと、第 3供給路 30cから後述するシリンダ部分 40へ延びる 接続部 30dとから構成される。 [0020] The hydraulic pressure supply passage 30 is a portion for supplying the hydraulic pressure of the hydraulic pressure supply device to a cylinder portion 40 described later. The hydraulic pressure supply path 30 includes a first supply path 30a formed in the first disk-shaped part 19a, a second supply path 30b formed in the cylindrical part 19b, and a second disk-shaped part. A third supply path 30c formed in 19c and a connection part 30d extending from the third supply path 30c to a cylinder portion 40 described later are configured.
[0021] ダンパー機構 2は、ダンパー部 8と、第 1フライホイール 1 1と、第 2フライホイ一ノレ 12 とを有する。ダンパー部 8は、一対のドリブンプレート 9と、コイルスプリング 10とから構 成されている。 The damper mechanism 2 includes a damper portion 8, a first flywheel 11, and a second flywheel 12. The damper portion 8 includes a pair of driven plates 9 and a coil spring 10.
[0022] ドリブンプレート 9は、円板状の部材であって、第 2フライホイール 12のボス部外周 に形成された波型外歯を有している。これによつて、ドリブンプレート 9と第 2フライホイ ール 12とが一体的に回転し得る。ドリブンプレート 9には複数の窓孔が回転方向に所 定の間隔で形成されており、この複数の窓孔にコイルスプリング 10が配置されている The driven plate 9 is a disk-like member and has corrugated external teeth formed on the outer periphery of the boss portion of the second flywheel 12. As a result, the driven plate 9 and the second flywheel 12 can rotate together. A plurality of window holes are formed in the driven plate 9 at predetermined intervals in the rotation direction, and coil springs 10 are arranged in the plurality of window holes.
[0023] 第 1フライホイール 11は、概ね円板状の部材であり、第 2フライホイール 12側に突 出する中心部のボス部と外周環状壁とを有している。ボス部と外周環状壁との間には
ダンパー部 8を収容するための環状凹部が形成されている。ボス部の中心には大径 の中心孔が形成され、ボス部の外周には潤滑剤密封型の軸受が装着されている。 [0023] The first flywheel 11 is a substantially disk-shaped member, and has a central boss portion and an outer peripheral annular wall protruding toward the second flywheel 12 side. Between the boss and the outer ring wall An annular recess for accommodating the damper portion 8 is formed. A large-diameter center hole is formed at the center of the boss, and a lubricant-sealed bearing is mounted on the outer periphery of the boss.
[0024] 第 2フライホイール 12は、概ね円板状の部材であり、中心部に配置されたボス部を 有している。ボス部は、第 1フライホイール 11側に突出しており、その内周部に軸受 が装着されている。また、ボス部において、先端側外周部には波型外歯が形成され、 さらに、第 2フライホイール 12の変速機 101側の端面は、後述する摩擦フエ一シング 部 14の第 1摩擦部材 17が圧接される摩擦面となっている。 [0024] The second flywheel 12 is a substantially disk-shaped member, and has a boss portion arranged at the center. The boss part protrudes to the first flywheel 11 side, and a bearing is mounted on the inner peripheral part thereof. Further, in the boss portion, a corrugated external tooth is formed on the outer peripheral portion on the front end side. Further, the end surface of the second flywheel 12 on the transmission 101 side is the first friction member 17 of the friction facing portion 14 described later. The friction surface is pressed against.
[0025] クラッチディスク組立体 3は、ハブ 13と、摩擦フエ一シング部 14とを有する。ハブ 13 は、筒状に形成され、エンジンから伝達された動力を、変速機 101側のシャフト 51に 伝達するための部材である。そして、このハブ 13は、内周部にはシャフト 51に係合す るスプライン孔が形成されるとともに、外周部にはフランジが形成されている。摩擦フ エーシング部 14は、第 2フライホイール 12とシャフト 51との間でトルクを伝達あるいは 遮断するための部分であって、環状のプレート部材 15と、芯板 16と、 1対の摩擦部材 17, 18とを有してレ、る。プレート部材 15はハブ 13のフランジの外周部にリベット 36に よって固定されており、芯板 16はプレート部材 15の外周部にリベット 36によって固定 されている。また、 1対の摩擦部材 17, 18は芯板 16の両面にリベット 37によって固定 されている。 The clutch disk assembly 3 includes a hub 13 and a friction facing portion 14. The hub 13 is a member that is formed in a cylindrical shape and that transmits power transmitted from the engine to the shaft 51 on the transmission 101 side. The hub 13 has a spline hole that engages with the shaft 51 at the inner peripheral portion and a flange at the outer peripheral portion. The friction facing portion 14 is a portion for transmitting or blocking torque between the second flywheel 12 and the shaft 51, and includes an annular plate member 15, a core plate 16, and a pair of friction members 17. , 18 and les. The plate member 15 is fixed to the outer peripheral portion of the flange of the hub 13 by a rivet 36, and the core plate 16 is fixed to the outer peripheral portion of the plate member 15 by the rivet 36. The pair of friction members 17 and 18 are fixed to both surfaces of the core plate 16 by rivets 37.
[0026] クラッチカバー組立体 4は、クラッチカバー 20と、ダイヤフラムスプリング 21と、プレ ッシャプレート 22とを有する。 The clutch cover assembly 4 has a clutch cover 20, a diaphragm spring 21, and a pressure plate 22.
[0027] クラッチカバー 20は皿状であり中心に大径の孔が形成されている。また、クラッチ力 バー 20の外周端は複数のボルトにより第 2フライホイール 12に固定されている。プレ ッシャプレート 22は、クラッチディスク組立体 3の摩擦フエ一シング部 14を第 2フライホ ィール 12の摩擦面との間に挟持するための部材である。 [0027] The clutch cover 20 is dish-shaped and has a large-diameter hole at its center. The outer peripheral end of the clutch force bar 20 is fixed to the second flywheel 12 by a plurality of bolts. The pressure plate 22 is a member for clamping the friction facing portion 14 of the clutch disk assembly 3 between the friction surfaces of the second flywheel 12.
[0028] プレツシャプレート 22は、ダイヤフラムスプリング 21によってエンジン側に押圧され る部材であって、クラッチカバー 20内に配置されている。プレツシャプレート 22は、環 状の部材であり、クラッチディスク組立体 3の摩擦フエ一シング部 14に対向する押圧 面を有している。また、プレツシャプレート 22の変速機 101側の面(押圧面と反対側 の面)の内周側には、変速機 101側に延びる複数の弧状突出部が形成されている。
[0029] ダイヤフラムスプリング 21は、プレツシャプレート 22を第 2フライホイール 12側に付 勢する部材である。ダイヤフラムスプリング 21は、図 3に示すように、環状のスプリング 部 21aと、その内周縁から中心側に延びる複数のレバー部 21bとから構成されている 。複数のレバー部 21bの円周方向間にはスリットが形成されている。スプリング部 21a はクラッチカバー 20とプレツシャプレート 22との間で軸方向に圧縮されており、プレツ シャプレート 22に対して常に押圧荷重を付与している。より具体的には、スプリング部 21aの外周縁の軸方向エンジン側面はプレツシャプレート 22の突出部に当接してお り、内周縁の軸方向トランスミッション側面はクラッチカバー 20に支持されている。ま た、レバー部 21bの先端には、レバー部 21bを操作しクラッチを遮断'接続するため のレリーズベアリング 31が配置されている。 The pressure plate 22 is a member that is pressed to the engine side by the diaphragm spring 21 and is disposed in the clutch cover 20. The pressure plate 22 is an annular member, and has a pressing surface that faces the friction facing portion 14 of the clutch disk assembly 3. In addition, a plurality of arc-shaped protrusions extending toward the transmission 101 are formed on the inner peripheral side of the surface on the transmission 101 side of the pressure plate 22 (the surface opposite to the pressing surface). The diaphragm spring 21 is a member that biases the pressure plate 22 toward the second flywheel 12. As shown in FIG. 3, the diaphragm spring 21 includes an annular spring portion 21a and a plurality of lever portions 21b extending from the inner periphery to the center side. A slit is formed between the circumferential directions of the plurality of lever portions 21b. The spring portion 21 a is compressed in the axial direction between the clutch cover 20 and the pressure plate 22, and always applies a pressing load to the pressure plate 22. More specifically, the axial engine side surface of the outer peripheral edge of the spring portion 21 a is in contact with the protruding portion of the pressure plate 22, and the axial transmission side surface of the inner peripheral edge is supported by the clutch cover 20. A release bearing 31 for operating the lever portion 21b to disconnect and connect the clutch is disposed at the tip of the lever portion 21b.
[0030] レリーズ機構 5は、図 4に示すように、ダイヤフラムスプリング 21の内周側を押圧する ことにより、摩擦フエ一シング部 14を動力遮断状態にするための機構である。このレリ ーズ機構 5は、ダイヤフラムスプリング 21のレバー部 21bを押圧するレリーズべアリン グ 31と、レリーズベアリング 31を移動させるプレート部材 32と、プレート部材 32を押 圧するピストン 40aを内部に有するシリンダ部 40とを有する。そして、ピストン 40aの外 周側には、プレート部材 32を介してレリーズベアリング 31をエンジン 100側に付勢す るコイルスプリング 34が配置されてレ、る。 As shown in FIG. 4, the release mechanism 5 is a mechanism for pressing the inner peripheral side of the diaphragm spring 21 to put the friction facing portion 14 in a power shut-off state. The release mechanism 5 includes a release bearing 31 that presses the lever portion 21b of the diaphragm spring 21, a plate member 32 that moves the release bearing 31, and a cylinder portion that includes a piston 40a that presses the plate member 32 inside. With 40. A coil spring 34 for urging the release bearing 31 toward the engine 100 via the plate member 32 is disposed on the outer peripheral side of the piston 40a.
[0031] レリーズベアリング 31は、インナーレース 31a、アウターレース 31b、及び両レース 間に配置された複数のボール 31cから構成されている。 [0031] The release bearing 31 includes an inner race 31a, an outer race 31b, and a plurality of balls 31c disposed between the races.
[0032] インナーレース 31aは、筒状の部材であって、一方の端部は外周側へ折り曲げられ ており、この折り曲げられた部分がダイヤフラムスプリング 21のレバー部 21bの内周 端部に接触している。アウターレース 31bは、筒状の部材であって、プレート部材 32 に固定されている。 [0032] The inner race 31a is a cylindrical member, and one end thereof is bent toward the outer peripheral side, and this bent portion contacts the inner peripheral end of the lever portion 21b of the diaphragm spring 21. ing. The outer race 31b is a cylindrical member and is fixed to the plate member 32.
[0033] プレート部材 32は、円板部 32aと円板部 32aの内周部に突出して設けられた筒状 部 32bとを有する。そして、円板部 32aの、レリーズベアリング 31が配置されている側 の側面は、内周側でインナーレース 31aと接触しており、外周側でアウターレース 31 bと接触している。 [0033] The plate member 32 includes a disc portion 32a and a cylindrical portion 32b provided to project from the inner peripheral portion of the disc portion 32a. The side surface of the disc portion 32a on the side where the release bearing 31 is disposed is in contact with the inner race 31a on the inner peripheral side and is in contact with the outer race 31b on the outer peripheral side.
[0034] コイルスプリング 34は、プレート部材 32と接続部 30dとの間に固定されており、プレ
一ト部材 32をエンジン 100側に付勢している。このコイルスプリング 34の付勢力によ つて、レリーズベアリング 31のインナーレース 31aとダイヤフラムスプリング 21とが接 触している。なお、コイルスプリング 34の外周側にはカバー部材 50が配置され、この カバー部材 50によりシリンダ部 40が保護されている。 [0034] The coil spring 34 is fixed between the plate member 32 and the connecting portion 30d. The first member 32 is urged toward the engine 100 side. Due to the urging force of the coil spring 34, the inner race 31a of the release bearing 31 and the diaphragm spring 21 are in contact with each other. A cover member 50 is disposed on the outer peripheral side of the coil spring 34, and the cylinder portion 40 is protected by the cover member 50.
[0035] モータジェネレータ 6は、レリーズ機構 5の外周側に、レリーズ機構 5と軸方向に重な るように配置されてレ、る。そして、このモータジェネレータ 6は、出力側シャフト 51にハ ブ 60を介して装着されたロータ 45と、ロータ 45に対向して配置されたステータ 46とを 有し、出力側シャフト 51との間でトルク伝達が可能となっている。また、このモータジ エネレータ 6は、第 2クラッチハウジング 7b内の空間に配置されている。ロータ 45は、 出力側シャフト 51に接続され、永久磁石からなるロータマグネットを外周側に有して いる。なお、レリーズ機構 5が、第 1クラッチハウジング 7a内のクラッチカバー組立体 4 と第 2クラッチハウジング 7b内のモータジェネレータ 6との間に配置されることにより、 2 つの空間の間で異物が行き来するのを防止できる。ステータ 46は、ハウジング 7にお ける筒上部の内周壁面に固定されており、コイルが巻き付けられ、バッテリ(図示せず )に接続されて電気の授受を行っている。ここでは、モータジェネレータ 6がレリーズ 機構 5の軸方向に重なる外周側に配置されているために、モータジェネレータがレリ ーズ機構 5と軸方向に並んで配置される場合に比べてハウジング 7の軸方向長さが 短くなる。 The motor generator 6 is disposed on the outer peripheral side of the release mechanism 5 so as to overlap the release mechanism 5 in the axial direction. The motor generator 6 includes a rotor 45 attached to the output side shaft 51 via the hub 60, and a stator 46 disposed so as to face the rotor 45. Torque transmission is possible. The motor generator 6 is disposed in a space in the second clutch housing 7b. The rotor 45 is connected to the output side shaft 51 and has a rotor magnet made of a permanent magnet on the outer peripheral side. The release mechanism 5 is disposed between the clutch cover assembly 4 in the first clutch housing 7a and the motor generator 6 in the second clutch housing 7b, so that foreign matter moves between the two spaces. Can be prevented. The stator 46 is fixed to the inner peripheral wall surface of the upper part of the cylinder in the housing 7, and is wound with a coil and connected to a battery (not shown) to exchange electricity. Here, since the motor generator 6 is arranged on the outer peripheral side overlapping the release mechanism 5 in the axial direction, the shaft of the housing 7 is compared with the case where the motor generator is arranged side by side with the release mechanism 5 in the axial direction. The direction length becomes shorter.
[0036] [動作] [0036] [Operation]
1.モータ発進について 1. About motor start
発進時は、摩擦フエ一シング部 14を遮断した状態でモータジェネレータ 6に電力を 供給する。するとモータジェネレータ 6が駆動され、この駆動力が出力側シャフト 51に 伝達され、車両がモータジェネレータ 6のみで発進される。なお、エンジンの始動は、 モータジェネレータ 6に電力を供給し、ロータ 45の回転上昇と併行して摩擦フエーシ ング部 14を接続し、エンジンへの燃料供給、点火のプロセスを経て行う。 When starting, power is supplied to the motor generator 6 with the friction facing portion 14 shut off. Then, the motor generator 6 is driven, this driving force is transmitted to the output side shaft 51, and the vehicle is started only by the motor generator 6. The engine is started by supplying electric power to the motor generator 6 and connecting the friction facing portion 14 in parallel with the increase in the rotation of the rotor 45, followed by fuel supply to the engine and an ignition process.
2.モータジェネレータ 6のみによる走行について 2. About running with only motor generator 6
摩擦フヱーシング部 14を遮断した状態で、エンジンへの燃料供給を停止し、モータ ジェネレータ 6のみを駆動する。この場合は、モータジェネレータ 6の駆動力が出力側
シャフト 51に伝達されて、車両が走行する。この時、モータジェネレータ 6の駆動力は 、摩擦フエ一シング部 14が遮断状態のためにエンジン側のフリクションが切り離され 、駆動ロスを防止できる。また、モータジェネレータ 6により、車両の運動エネルギを回 生するときは、エンジン側のフリクション分のエネルギを失うことを防止する。 With the friction forcing section 14 shut off, the fuel supply to the engine is stopped and only the motor generator 6 is driven. In this case, the driving force of the motor generator 6 is The vehicle travels by being transmitted to the shaft 51. At this time, the driving force of the motor generator 6 can prevent the driving loss because the friction on the engine side is cut off because the friction facing portion 14 is cut off. Further, when the motor generator 6 is used to regenerate the kinetic energy of the vehicle, the loss of the frictional energy on the engine side is prevented.
3.エンジンのみによる走行について 3. About running with engine only
摩擦フエ一シング部 14を接続状態とし、エンジンを駆動する一方、モータジヱネレ ータ 6には電力供給を行わない。すると、エンジンからのトノレクは、ダンパー機構 2と 摩擦フエ一シング部 14とを介してハブ 13に伝達されて出力側シャフト 51に伝達され 、車両はエンジンのみで走行することとなる。 The friction facing portion 14 is connected to drive the engine, while the motor generator 6 is not supplied with power. Then, the torque from the engine is transmitted to the hub 13 via the damper mechanism 2 and the friction facing portion 14 and is transmitted to the output side shaft 51, and the vehicle travels only by the engine.
4.クラッチの遮断 '接続について 4.Clutch disconnection
クラッチ接続状態では、油圧がダイヤフラムスプリング 21に作用しておらず、コィノレ スプリング 34による付勢力のみダイヤフラムスプリング 21に作用している。ここでは、 コイルスプリング 34による付勢力によって、レリーズベアリング 31はダイヤフラムスプリ ング 21側に付勢されているために、レリーズベアリング 31とダイヤフラムスプリング 21 との間に隙間がない。このために、レリーズベアリング 31とダイヤフラムスプリング 21 の摩耗や衝撃音が生じに《なる。ここで、コイルスプリング 34による押圧力はダイヤ フラムスプリング 21のレバー部をエンジン側へ移動させることができない程度の力で あるために、プレツシャプレート 22はダイヤフラムスプリング 21のスプリング部により押 圧され、摩擦フエ一シング部 14と第 2フライホイール 12とが摩擦係合している状態で ある。 In the clutch connected state, the hydraulic pressure does not act on the diaphragm spring 21, and only the urging force of the coin spring 34 acts on the diaphragm spring 21. Here, since the release bearing 31 is biased toward the diaphragm spring 21 by the biasing force of the coil spring 34, there is no gap between the release bearing 31 and the diaphragm spring 21. For this reason, wear and impact noise of the release bearing 31 and the diaphragm spring 21 occur. Here, since the pressing force by the coil spring 34 is a force that cannot move the lever portion of the diaphragm spring 21 to the engine side, the pressure plate 22 is pressed by the spring portion of the diaphragm spring 21. In this state, the friction facing portion 14 and the second flywheel 12 are in frictional engagement.
[0037] この状態からクラッチを遮断する場合には、図示しない油圧供給装置から第 1供給 部 30a、第 2供給部 30b、第 3供給部 30c、接続部 30dを通ってシリンダ部分 40に油 圧が供給され、油圧によってレリーズベアリング 31をエンジン側へ移動させる。このと き、ダイヤフラムスプリング 21のスプリング部 21aによるプレツシャプレート 22への押 圧力が解除され、摩擦フヱーシング部 14と第 2フライホイール 12との摩擦係合が解 除される。 [0037] When the clutch is disengaged from this state, hydraulic pressure is supplied to the cylinder portion 40 from a hydraulic supply device (not shown) through the first supply portion 30a, the second supply portion 30b, the third supply portion 30c, and the connection portion 30d. And the release bearing 31 is moved to the engine side by hydraulic pressure. At this time, the pressing force applied to the pressure plate 22 by the spring portion 21a of the diaphragm spring 21 is released, and the frictional engagement between the friction forcing portion 14 and the second flywheel 12 is released.
[0038] クラッチ遮断状態からクラッチを接続するためには、レリーズベアリング 31への油圧 の供給を解除する。この場合には、ダイヤフラムスプリング 21が元の姿勢に戻る際に
、レリーズベアリング 31を変速機 101側へと移動させる。この場合には、ダイヤフラム スプリング 21のスプリング部 21aがプレツシャプレート 22を押圧して摩擦フエ一シング 部 14と第 2フライホイール 12とが摩擦係合する。 [0038] In order to connect the clutch from the clutch disengaged state, the supply of hydraulic pressure to the release bearing 31 is released. In this case, when the diaphragm spring 21 returns to its original position Then, release bearing 31 is moved to transmission 101 side. In this case, the spring portion 21a of the diaphragm spring 21 presses the pressure plate 22, and the friction facing portion 14 and the second flywheel 12 are frictionally engaged.
産業上の利用可能性 Industrial applicability
本発明のトルク伝達装置では、クラッチハウジングの長さを短縮することができる。
In the torque transmission device of the present invention, the length of the clutch housing can be shortened.
Claims
[1] エンジンの出力トルクを変速機に伝達するためのトルク伝達装置であって、 [1] A torque transmission device for transmitting engine output torque to a transmission,
前記エンジン側の部材に連結された入力側部材と、前記変速機側の部材に連結さ れた出力側部材と、前記入力側部材と出力側部材との間でトルクを伝達あるいは遮 断する環状の押圧部材を有する乾式クラッチ装置と、 An input side member connected to the engine side member, an output side member connected to the transmission side member, and a ring that transmits or blocks torque between the input side member and the output side member A dry clutch device having a pressing member of
前記押圧部材の内周側を押圧して前記乾式クラッチ装置を遮断状態にするレリー ズ機構と、 A release mechanism that presses an inner peripheral side of the pressing member to disengage the dry clutch device;
前記レリーズ機構の外周側に前記レリーズ機構と軸方向に重なるように配置され、 前記出力側部材に装着されたロータと前記ロータに対向して配置されたステータとを 有し、前記出力側部材との間でトルク伝達が可能なモータジェネレータと、 を備えたトルク伝達装置。 A rotor disposed on the outer peripheral side of the release mechanism so as to overlap the release mechanism in the axial direction; a rotor mounted on the output side member; and a stator disposed opposite to the rotor; and the output side member; A motor generator capable of transmitting torque between the motor generator and the torque transmission device.
[2] 前記レリーズ機構は、前記環状の押圧部材の内周側を押圧するレリーズベアリング と、前記レリーズベアリングを移動させるプレート部材と、前記プレート部材を押圧す るピストンとを有する、 [2] The release mechanism includes a release bearing that presses an inner peripheral side of the annular pressing member, a plate member that moves the release bearing, and a piston that presses the plate member.
請求項 1に記載のトルク伝達装置。 The torque transmission device according to claim 1.
[3] 前記レリーズ機構は前記レリーズベアリングを前記押圧部材に圧接するための付 勢部材をさらに有する、 [3] The release mechanism further includes a biasing member for pressing the release bearing against the pressing member.
請求項 2に記載のトルク伝達装置。 The torque transmission device according to claim 2.
[4] 前記ピストンは油圧によって駆動される、 [4] The piston is driven by hydraulic pressure,
請求項 2に記載のトルク伝達装置。 The torque transmission device according to claim 2.
[5] 前記モータジェネレータが配置された空間と前記乾式クラッチ装置および前記レリ ーズ機構が配置された空間とは仕切り壁によって遮断されており、 [5] The space where the motor generator is arranged and the space where the dry clutch device and the release mechanism are arranged are blocked by a partition wall,
前記仕切り壁には前記レリーズ機構の前記ピストンを操作する流体を供給するため の流体供給路が形成されている、 The partition wall is formed with a fluid supply path for supplying a fluid for operating the piston of the release mechanism.
請求項 4に記載のトルク伝達装置。
The torque transmission device according to claim 4.
Applications Claiming Priority (2)
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JP2005-184575 | 2005-06-24 | ||
JP2005184575A JP2007001457A (en) | 2005-06-24 | 2005-06-24 | Torque transmission device |
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WO2006137288A1 true WO2006137288A1 (en) | 2006-12-28 |
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PCT/JP2006/311809 WO2006137288A1 (en) | 2005-06-24 | 2006-06-13 | Torque transmission device |
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