WO2007124712A1 - Drehmomentwandler mit einer einwegkupplung für die turbine - Google Patents
Drehmomentwandler mit einer einwegkupplung für die turbine Download PDFInfo
- Publication number
- WO2007124712A1 WO2007124712A1 PCT/DE2007/000627 DE2007000627W WO2007124712A1 WO 2007124712 A1 WO2007124712 A1 WO 2007124712A1 DE 2007000627 W DE2007000627 W DE 2007000627W WO 2007124712 A1 WO2007124712 A1 WO 2007124712A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- torque converter
- turbine
- hub
- clutch
- torque
- 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
- F16H—GEARING
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
-
- 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
- F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
- F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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
- B60K6/26—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 motors or the generators
- B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
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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
- F16D41/00—Freewheels or freewheel clutches
- F16D41/18—Freewheels or freewheel clutches with non-hinged detent
- F16D41/185—Freewheels or freewheel clutches with non-hinged detent the engaging movement having an axial component
-
- 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
- F16H41/00—Rotary fluid gearing of the hydrokinetic type
- F16H41/24—Details
- F16H2041/246—Details relating to one way clutch of the stator
-
- 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
- F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
- F16H2045/005—Combinations of fluid gearings for conveying rotary motion with couplings or clutches comprising a clutch between fluid gearing and the mechanical gearing unit
-
- 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
- F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
- F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
- F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
- F16H2045/0247—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means having a turbine with hydrodynamic damping means
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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
- F16H61/38—Control of exclusively fluid gearing
- F16H61/48—Control of exclusively fluid gearing hydrodynamic
- F16H61/50—Control of exclusively fluid gearing hydrodynamic controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit
- F16H61/58—Control of exclusively fluid gearing hydrodynamic controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit by change of the mechanical connection of, or between, the runners
- F16H61/60—Control of exclusively fluid gearing hydrodynamic controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit by change of the mechanical connection of, or between, the runners exclusively by the use of freewheel clutches
Definitions
- the invention relates to improvements in a device for transmitting power between a rotary drive unit (for example the motor of a motor vehicle) and a rotationally driven unit (for example the automatic transmission in the motor vehicle).
- a rotary drive unit for example the motor of a motor vehicle
- a rotationally driven unit for example the automatic transmission in the motor vehicle.
- the invention relates to a one-way clutch for a turbine in a torque converter.
- the clutch allows the turbine to transmit torque to a hub of the torque converter during the drive mode and disconnect the turbine from the hub during an idle mode.
- the torque converter according to the present invention may be used in hybrid vehicles to disconnect the turbine of the torque converter from a drive shaft during the regeneration mode (recovery mode).
- Certain operating conditions may cause the output hub of a torque converter in a vehicle to rotate faster than the torque converter turbine.
- the hub rotates faster than the turbine in a hybrid vehicle.
- the hub and turbine are rotationally connected, and the hub rotates the turbine, which, unfortunately, places the torque converter in an operating condition that may be referred to as a "reverse mode.”
- idle mode in engine braking mode, or in regeneration mode, the engine is in the idle mode
- the drive unit of the vehicle is normally idling or even off so that the drive unit supplies nominal torque to the pump
- the rotation of the turbine reverses the typical flow behavior of the fluid in the torque converter and the turbine "pumps" the fluid to the pump. This operating condition is undesirable because the rotation of the turbine heats the oil in the turbine, resulting in excessive heat losses and in some cases even damage to the torque converter.
- a direct "reverse connection" between the transmission and the drive unit of the vehicle is desirable
- the transmission is connected to the engine in an engine braking mode to utilize the inertia of the engine to decelerate the transmission and wheels connected to the transmission
- the above connection would be caused by the above-mentioned "reverse mode” with the attendant disadvantages such as excessive heat loss.
- the present invention generally includes a torque converter in a vehicle that includes a turbine and a one-way clutch.
- the clutch is rotationally connected to the turbine and an output hub of the torque converter.
- the output hub is arranged to be directly connected to the rotational movement of a drive shaft of a transmission in a vehicle, and the turbine and the drive shaft are arranged to rotate in a first rotational direction at the same rotational speed.
- the one-way clutch is arranged to separate the rotational movement of the hub and the turbine when the hub receives torque from the shaft.
- the vehicle is operated in a mode selected from the group consisting of an idle mode, an engine brake mode, and a regeneration mode to generate the torque.
- the turbine and the hub are arranged to rotate only in a single direction, or as the one-way clutch, a first jack one-way clutch is used.
- the vehicle includes a power unit
- the torque converter includes a cover connected to the power unit
- a clutch of the torque converter is disposed so as to be rotationally connected to the cover and the turbine.
- the one-way clutch is a one-way clutch that includes a first radially disposed segment rotationally connected to the hub and a second radially disposed segment connected to the turbine; - A - wherein the first and the second element are arranged so that they lock into one another.
- the vehicle further includes a drive unit connected to a cover of the torque converter, and the torque converter includes a torque converter clutch arranged to rotationally interconnect the cover and the one-way clutch.
- the one-way clutch is a one-way clutch that includes a first radially disposed segment that is radially connected to the torque converter clutch and a second radially disposed segment that is radially connected to the turbine first and the second segment are arranged so that they lock into each other.
- the first radially disposed segment includes at least one receptacle associated with the group consisting of at least one aperture and at least one recess
- the second radially disposed segment includes at least one protrusion
- the at least one receptacle the at least one projection are arranged so that they lock into one another.
- the second radially disposed segment includes at least one receptacle associated with the group consisting of at least one opening and at least one recess
- the first radially disposed segment including at least one protrusion and the at least one receptacle the at least one projection are arranged so that they lock into one another.
- the vehicle further includes a drive unit that transmits torque to the shaft.
- the torque converter clutch is arranged to transmit the torque to the drive unit connected to the lid to start the drive unit connected to the lid.
- the torque converter includes a damping element that is rotationally connected to the torque converter clutch.
- the damping element is rotationally connected to the turbine, the one-way clutch, or the hub.
- the drive unit connected to the cover is arranged so that it generates a specific torque
- the turbine is arranged such that that it amplifies the torque
- the one-way clutch is designed so that it can be operated with the increased torque.
- the present invention also generally includes a torque converter in a vehicle having a turbine, a ratchet one-way clutch connected in rotation with the turbine and an output hub, a torque converter clutch, and a damping member connected in rotation with the torque converter clutch.
- the output hub is arranged to be rotationally connected directly to a drive shaft of a transmission in a vehicle, and the turbine and the drive shaft are arranged to rotate in a first rotational direction at the same rotational speed.
- the damping element is rotationally connected to the one-way clutch and the output hub, and the one-way clutch is arranged to rotationally separate the turbine from the hub when the hub receives torque from the drive shaft of the transmission.
- the one-way clutch is arranged to rotationally separate the turbine from the hub as the hub rotates at a higher speed than the turbine.
- the present invention generally includes a torque converter in a vehicle having a turbine, a ratchet one-way clutch connected in rotational direction to the turbine and an output hub of the torque converter, a torque converter clutch, and a damping member rotationally connected to the torque converter clutch and the turbine.
- the output hub is arranged to be rotationally connected directly to a drive shaft of a transmission in a vehicle, and the turbine and the drive shaft are arranged to rotate in a first rotational direction at the same rotational speed.
- the one-way clutch is arranged to rotationally separate the turbine from the hub as the hub rotates at a higher speed than the turbine.
- the vehicle includes a drive unit, the drive unit is arranged to generate a torque, the turbine is arranged to amplify the torque, and the one-way clutch is configured to operate with the boosted torque.
- a general object of the present invention is to provide a means for controlling the connection between a turbine and an output hub in a torque converter in the direction of rotation.
- Another object of the present invention is to provide a means by which a drive shaft of the transmission in a torque converter is enabled to receive torque in the output direction from the torque converter without the turbine rotating in the torque converter.
- Another object of the present invention is to provide a means for separating rotational motions of a turbine and a hub in a torque converter when the hub rotates faster than the turbine.
- FIG. 1 is a partial cross-sectional view of a torque converter according to the present invention having a one-way clutch of a turbine and a damping member connected to the one-way clutch;
- Fig. 2 is a partial cross-sectional view of clutch plates along section line 2-2 in Fig. 1;
- FIG. 3 is a partial cross-sectional view of a torque converter according to the present invention having a one-way clutch of a turbine and a damping member connected to the turbine.
- a one-way clutch serves to control the transmission of rotary motion of a turbine in a torque converter to an output hub of the torque converter.
- the one-way clutch serves to separate the turbine in the direction of rotation of the hub under certain operating conditions.
- the one-way clutch separates the turbine from the hub in the direction of rotation when the hub receives torque from the drive shaft rather than transmitting torque to the drive shaft or when the hub rotates faster than the turbine.
- the clutch serves to separate the rotational movement of the turbine and hub.
- FIG. 1 is a partial cross-sectional view of the torque converter 100 according to the present invention having a one-way clutch 102 for a turbine and a damping member rotationally connected to or attached to the one-way clutch 102.
- a one-way clutch 102 for a turbine and a damping member rotationally connected to or attached to the one-way clutch 102.
- the damping element and the coupling are connected together so that the two components rotate together, that is, that the two components are firmly connected with respect to the rotational movement.
- two components connected in the direction of rotation relative movement in other directions is not necessarily excluded.
- two components connected in the direction of rotation can move in the axial direction against each other by means of a splined connection.
- a connection in the direction of rotation does not necessarily mean that movement in other directions is possible.
- two components connected in the direction of rotation may also be fastened together in the axial direction.
- the foregoing explanation of the connection in the direction of rotation is applicable to the following explanations. Unless otherwise indicated, a compound in the following discussion refers to a compound in the direction of rotation.
- a clutch 102 is disposed in the torque converter 100.
- the torque converter is installed in a vehicle (not shown).
- the torque converter 100 includes a turbine 104 having a turbine housing 106 and an output hub 108 rotationally connected to a drive hub (not shown) of the transmission.
- the hub 108 is directly connected to the drive shaft, that is, there are no intermediate components between the hub and the shaft.
- the one-way clutch 102 is arranged to control the connection of the turbine 104 and the output hub 108 in the direction of rotation.
- the one-way clutch 102 is arranged to rotationally separate the hub 108 and the turbine 104 when the hub receives torque from the drive shaft.
- the hub receives torque from the shaft when a vehicle having the on-board torque converter 100 is in one of the operating conditions discussed below, including, but not limited to, idling, engine braking, and regeneration.
- the clutch 102 connects the turbine 104 to the hub 108 in the direction of rotation, the turbine 104 and the hub connected to the drive shaft rotate at the same speed. That is, in between there are no more Components that significantly change the speed transmitted from the turbine to the shaft.
- the turbine 104 and the hub 108 are arranged to rotate only in a single direction, for example, in the direction of rotation of an engine (not shown) or a drive unit in the vehicle.
- the detent arrangement in the coupling 102 may be formed by any means known in the art.
- the clutch 102 is a ratchet-type clutch that includes at least portions of an axially-engaged and disengaged one-way clutch mechanism, as described in commonly assigned U.S. Patent Application Serial No. 11 / 480,815 entitled “Stator Having Axially Engaging and Disengaging One-Way Clutch Mechanism for a Torque Converter "by Brees et al., Filed July 3, 2006.
- the torque converter 100 also includes a torque converter clutch 110, a damping member 112 and a cover 114.
- the clutch 110, the member 112 and the cover 114 may be of any type known in the art.
- the motor or drive unit of the vehicle is connected to the cover 114 and transmits torque to the torque converter 100.
- the clutch 102 includes radially disposed segments 116 and 118 or discs 116 and 118.
- the term "radially disposed segment” refers to to a component in the coupling that has at least parts that are substantially disc-shaped and aligned substantially perpendicular to the longitudinal axis 119.
- the terms "radially-disposed segment” and “disc” are used interchangeably
- the disk 116 is rotationally connected to the turbine housing 106.
- the disk 118 is locked in rotation with the hub 108, that is, the disk 118 is directly or indirectly connected to the hub in the direction of rotation, that the disc 118 and the hub rotate together.
- the clutch 110 performs the function of a typical torque converter clutch or a detent clutch. That is, when the pressure in the chamber 122 is greater than the pressure in the chamber 124, the clutch 110 engages the lid 114 and transmits torque from the lid to the damper element. When the pressure in the chamber 124 is greater than the pressure in the Chamber 122, the coupling 110 is separated from the lid 114. The coupling 110 is connected in the direction of rotation with the damping element.
- the coupling 110 and the damping element 112 may be rotationally interconnected by any means known in the art, including axial tabs (not shown) that project from the coupling into the damping element and connect to elastically deformable components 126.
- the components 126 may be of any type known in the art, for example, springs.
- the member 112 is rotationally connected to the clutch 102 and the hub 108. In particular, due to the fixed connection of the three components in the direction of rotation, the element, the coupling and the hub rotate at the same speed.
- the member 112 is connected to the hub by any means known in the art, including, but not limited to, a weld 128.
- the member is connected to the coupling 102 by any means known in the art.
- the disc 118 includes axial tabs 130 mounted in apertures 132 in the disc 134 of the member 112.
- the clutch 110 transmits torque through the member 112 to the clutch 102 and the hub 108.
- the arrangement of the tongues 130 and the openings 132 permits axial movement of the disc 118 relative to the disc 116.
- disks 116 and 118 are each separately formed and connected to housing 106 and disk 134, respectively, by means known in the art.
- the disks 116 and 118 are formed as an integral part of the housing 106 and the disk 134, respectively.
- the disc 116 and the housing 106 are formed in one piece.
- the discs 116 and 118 are formed with complementary receiving elements such as apertures or depressions and projections arranged to snap into one another.
- disc 116 includes apertures 136
- disc 118 includes wedge-shaped tabs 138. It should be understood that this arrangement is reversible.
- the disc 116 may include projections and the disc 118 may include receptacles.
- Fig. 2 is a partial cross-sectional view of clutch plates taken along section line 2-2 in Fig. 1.
- the clutch 102 is arranged to rotationally separate the hub 108 and the turbine 104 as the hub receives torque from the drive shaft, for example, in the idle, engine braking or regeneration mode.
- the clutch 102 is arranged to separate the hub and the turbine as the hub rotates faster than the turbine.
- the engine is normally idling or off. Therefore, little or no torque is transmitted to the pump 140 via the lid 114, and the turbine 104 rotates slowly or not at all. Consequently, the torque received by the hub from the drive shaft causes the hub to rotate faster than the turbine.
- Wedge-shaped lobes 138 include radial surfaces 144 (substantially perpendicular to axis 119), and apertures 136 include sides 146.
- sides 146 In order for discs 116 and 118 to engage one another in rotation in direction 142, sides 146 must engage radial surface 144. Then, the disk 116 drives the disk 118 or pushes it forward. This occurs when the disc 116 rotates faster than the disc 118.
- the sides 146 can not "catch up" the wedge-shaped lobes 138, and the clutch 102 operates in the freewheeling mode, that is, the hub 108 and the turbine 104 rotate independently of each other
- the inclined segments 148 of the wedge-shaped lobes 138 "advance.”
- the oblique segments slip into the apertures 136 and then slip over the edges 150 again without locking in.
- the discs 116 and 118 snap into place Rotation not in one another.
- "normal" operating conditions for example in torque conversion mode or in detent mode, the disk 116 receives torque from the housing 106 and rotates faster than the disk 118.
- the edges 144 and 146 engage each other and the disks are locked together in the direction of rotation ,
- a particular application finds the torque converter 100 in a hybrid vehicle, that is, in a vehicle that is equipped with both an internal combustion engine and an electric motor.
- a hybrid vehicle brakes it is desired to change to a regeneration mode in which the drive shaft of the transmission is rotated by a torque transmitted from the wheels of the car to operate the electric motor as a generator.
- the clutch 102 operation in the regeneration mode is possible without causing the turbine 104 to rotate.
- the clutch 110 is also disconnected, which separates the hub 108 in the direction of rotation from the cover 114.
- the engine may be shut down when the hybrid vehicle is operating in regeneration mode. It is desirable to use the electric motor to restart the internal combustion engine.
- the clutch 102 may be used to transmit a torque provided by the electric motor via the drive shaft to the engine to restart the engine.
- the electric motor rotates the shaft, which in turn rotates the hub 108.
- the torque is transmitted from the hub via the segment 134 to the damping element 112 and to the clutch 110.
- the clutch 110 is engaged to transmit the torque to the cover 114 and then to the engine.
- the clutch 102 separates the hub and the turbine 104 in the rotational direction of each other and thereby prevents the losses associated with the rotation of the turbine.
- the torque is transmitted to the engine with high efficiency.
- an engine braking mode it is desirable to rotationally connect the transmission of a vehicle to the engine, that is to use the inertia of the engine to decelerate the wheels connected to the transmission.
- the clutch 102 is disengaged to separate the hub and the turbine from each other, but from the wheels, a torque on the hub 108, the segment 134 and the damping element 112 to the clutch 110 transmitted.
- the clutch 110 is engaged to connect the clutch 110 in the direction of rotation with the lid and the motor. Thus, there is a direct torque transfer from the wheels to the engine.
- the torque converter 100 is not limited to the arrangement shown.
- the discs 116 and 118 are not limited to the dimension, shape, or arrangement shown.
- the discs 116 and 118 are not limited to any particular number, size or arrangement of receptacles and protrusions.
- the remaining components in the torque converter 100 are not limited to the dimensions, shapes or arrangements shown.
- the components in the torque converter 100 may be formed by any means known in the art. In some aspects, some or all of the discs or hub are stamped.
- FIG. 3 is a partial cross-sectional view of the torque converter 200 according to the present invention having a one-way clutch 202 for a turbine and a damping member connected to the turbine.
- the clutch 202 is housed in the torque converter 200.
- the torque converter 200 is arranged so that it can be installed in a vehicle (not shown).
- the torque converter 200 includes a turbine 204 having a turbine housing 206 and an output hub 208 rotationally connected to a drive shaft (not shown) of a transmission.
- the hub 208 is directly connected to the drive shaft, that is, there are no intermediate components between the hub and the shaft.
- the one-way clutch 202 is arranged to control the connection between the turbine 204 and the output hub 208.
- the one-way clutch 202 is arranged to rotationally separate the hub 208 and the turbine 204 as the hub receives torque from the drive shaft. It will be discussed below that the hub can receive torque from the shaft when a vehicle incorporating the torque converter 200 operates in one of the operating conditions including, among other things, the idle and regeneration modes.
- the clutch 202 is rotationally connected to the turbine 204 and the hub 208, the turbine 204 and the drive shaft connected to the hub rotate at the same speed. That is, there are no intermediate components that the turbine to the Change the transmitted speed significantly.
- the turbine 204 and the hub are arranged to rotate only in a single direction, for example, in the direction of rotation of an engine (not shown) or a drive unit in the vehicle.
- the detent arrangement in the coupling 202 may be formed by any means known in the art.
- a one-way clutch may be used.
- the coupling 202 is a one-way pawl coupling which includes at least parts of an axially-engaged and disengaged one-way clutch mechanism as described in commonly assigned U.S. Patent Application Serial No. 11 / 480,815 "Stator Having to Axially Engaging and Disengaging One-Way Clutch Mechanism for a Torque Converter" is described by Brees et al., Filed July 3, 2006.
- clutch 202 is a pawl clutch
- a first one is Clutch disc in the direction of rotation with the turbine 204 and a second disc connected to the hub 208.
- the first disc in its function of the disc 116 in Fig. 1 and the second disc in their function of the disc 118 in Fig. 1 is analogous Discussion in the description of Fig. 1 with respect to the receiving elements and protrusions in the coupling 102 applies to those aspects in which the coupling 202 is a pawl clutch.
- the torque converter 200 includes a torque converter clutch 210, a damping member 212, and a cover 214.
- the vehicle engine or drive unit is connected to the cover 214 and provides torque to the torque converter 200.
- the clutch 210 operates as a typical torque converter clutch. That is, when the pressure in the chamber 222 is greater than the pressure in the chamber 224, the clutch 210 engages the lid 214 and is disconnected therefrom when the pressure in the chamber 224 is greater than the pressure in the chamber 222 is.
- the clutch 210 is connected in the direction of rotation with the damping element.
- the coupling 210 and member 212 may be rotationally connected using any means known in the art, including axial tabs (not shown) that project from the coupling into the damping member and connect to elastically deformable components 226.
- the components 226 may be of any type known in the art, for example, springs.
- the member 212 is rotationally connected to the shell 206 by any means known in the art, for example by a weld 228. In some aspects, relative axial movement is possible between the member and the hub.
- the discs 230 and 232 include in the axial direction a coupling 202, that is, the coupling is arranged in the axial direction and is located between the discs.
- An outer segment 236 of the coupling 202 is rotationally secured to the shell 206 by any means known in the art, for example, by rivets 238.
- An inner segment 240 of the coupling 202 is rotationally connected to the hub 208.
- the segment 240 is an integral part of the hub 208.
- the segment 240 is formed separately from the hub and secured in the direction of rotation to the hub using any means known in the art.
- segment 236 is rotationally connected to the turbine
- segment 240 is rotationally connected to the hub.
- the clutch 202 is arranged to rotationally separate the hub 208 and the turbine 204 as the hub receives torque from the drive shaft, for example, in the regeneration mode. In other words, the clutch 202 is arranged to separate the hub and the turbine as the hub rotates faster than the turbine.
- a specific application for the torque converter 200 is in a hybrid vehicle, that is, in a vehicle equipped with both an internal combustion engine and an electric motor.
- a hybrid car brakes it is desired to change to the regeneration mode, in which the drive shaft of the transmission is rotated by the torque transmitted by the wheels of the car for the electric motor to operate as a generator.
- the clutch 202 With the clutch 202, the vehicle can be operated in the regeneration mode, without the turbine 204 is rotated. Since the turbine 204 is separated from the hub in the direction of rotation, the hub does not rotate the pump 242 and thus the lid 214 and the motor.
- the torque converter 200 is not limited to the arrangement shown. In general, the components in the torque converter 200 are not limited to the dimensions, shapes, or arrangements shown. The components in the torque converter 200 may be formed by any means known in the art. In some aspects, all disks or hub are stamped.
- a torque converter may boost the torque delivered by a motor connected to the torque converter.
- the turbine 104 amplifies by a factor of 1.5 or more. Therefore, the torque transmitted through the turbine 104 to the clutch 102 is greater than the torque of the engine, and the demands on the clutch 102 for receiving a torque are thereby higher.
- the clutch 102 must be able to absorb a larger torque than a one-way clutch in a stator, which acts only on the torque of the engine.
- An advantage is a jack coupling, which is very robust, simple and relatively inexpensive to manufacture and can be operated with an increased torque of the engine.
- a one-way clutch according to the present invention is hydraulically damped, as described, for example, in commonly owned U.S. Patent Application Serial No. 60 / 796,482 entitled “One Way Clutch with Dampening" by William Brees, Christopher Shamie, Philip George and Jeffrey Hemphill, filed May 1, 2006.
- a one-way clutch according to the present invention comprises radially disposed elements which are axially displaced from each other, for example disks 116 and 118 in FIG. 1, the clutch is mechanically damped, such as for example in the same one
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112007000882T DE112007000882A5 (de) | 2006-05-01 | 2007-04-10 | Drehmomentwandler mit Turbine für eine Einwegkupplung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79647706P | 2006-05-01 | 2006-05-01 | |
US60/796,477 | 2006-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007124712A1 true WO2007124712A1 (de) | 2007-11-08 |
Family
ID=38235272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2007/000627 WO2007124712A1 (de) | 2006-05-01 | 2007-04-10 | Drehmomentwandler mit einer einwegkupplung für die turbine |
Country Status (3)
Country | Link |
---|---|
US (1) | US7703590B2 (de) |
DE (1) | DE112007000882A5 (de) |
WO (1) | WO2007124712A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8235191B2 (en) * | 2007-06-12 | 2012-08-07 | Schaeffler Technologies AG & Co. KG | Force transfer device, a drive train with force transfer device, and a method for controlling the operation of a force transfer device in a drive train |
DE102008031955B4 (de) * | 2007-07-31 | 2018-12-20 | Schaeffler Technologies AG & Co. KG | Drehmomentwandler mit vom Kolben zentrierter Kupplungsplatte |
DE102008015226A1 (de) * | 2008-03-20 | 2009-09-24 | Daimler Ag | Antriebsmodul |
DE102011100166B4 (de) * | 2010-05-12 | 2019-11-28 | Schaeffler Technologies AG & Co. KG | Reibpaket für Dämpfernabe |
DE102011109667A1 (de) * | 2011-08-08 | 2013-02-14 | Voith Patent Gmbh | Getriebe für ein Kraftfahrzeug |
JP2014034980A (ja) * | 2012-08-07 | 2014-02-24 | Exedy Corp | ワンウェイプレート及びそれを用いたトルクコンバータのステータ支持構造 |
US8608604B1 (en) * | 2012-10-19 | 2013-12-17 | Caterpillar Inc. | Torque divider and torque converter with lockup clutch |
DE102013213183A1 (de) | 2013-03-08 | 2014-09-11 | Schaeffler Technologies Gmbh & Co. Kg | Turbinenkeil-Freilaufkupplung |
US10288159B2 (en) * | 2016-05-13 | 2019-05-14 | GM Global Technology Operations LLC | Integrated clutch systems for torque converters of vehicle powertrains |
US10808821B2 (en) | 2016-11-01 | 2020-10-20 | Borgwarner Inc. | Torque converter having one-way clutch for automatic transmissions |
US10094459B2 (en) * | 2016-12-21 | 2018-10-09 | Valeo Embrayages | Torque-coupling device with torsional vibration damper and one-way turbine clutch, and method for making the same |
US10281020B2 (en) * | 2016-12-21 | 2019-05-07 | Valeo Embrayages | Torque-coupling device with torsional vibration damper and oneway turbine clutch, and method for making the same |
US10221930B2 (en) | 2016-12-21 | 2019-03-05 | Valeo Embrayages | Torque-coupling device with one-way turbine clutch, and method for making the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5713442A (en) * | 1995-03-17 | 1998-02-03 | Toyota Jidosha Kabushiki Kaisha | Fluid transmission device |
DE19950988A1 (de) * | 1999-10-22 | 2001-04-26 | Mannesmann Sachs Ag | Hydrodynamische Kopplungseinrichtung |
JP2004122879A (ja) * | 2002-10-01 | 2004-04-22 | Mazda Motor Corp | 車両用パワートレイン構造 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU532560B2 (en) | 1979-06-26 | 1983-10-06 | Variable Kinetic Drives Ltd. | Transmission |
JPS57204364A (en) | 1981-06-05 | 1982-12-15 | Honda Motor Co Ltd | Fluid torque converter for vehicle |
CS238524B1 (en) | 1983-12-29 | 1985-11-13 | Olgert I Giruckij | Hydromechanical gearbox |
US4919009A (en) | 1988-08-16 | 1990-04-24 | Brunswick Corporation | Two turbine variable speed fluid coupling marine transmission |
DE19812686C1 (de) * | 1998-03-23 | 1999-07-01 | Mannesmann Sachs Ag | Drehmomentwandler |
WO2003056203A1 (en) * | 2001-12-28 | 2003-07-10 | Stackpole Limited | One way clutch |
JP2005023887A (ja) * | 2003-07-04 | 2005-01-27 | Honda Motor Co Ltd | ハイブリッド車両の制御装置 |
US7770707B2 (en) | 2005-08-24 | 2010-08-10 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Axially engaging and disengaging one-way clutch and a stator having an axially engaging and disengaging one-way clutch |
-
2007
- 2007-04-10 WO PCT/DE2007/000627 patent/WO2007124712A1/de active Application Filing
- 2007-04-10 DE DE112007000882T patent/DE112007000882A5/de not_active Ceased
- 2007-04-24 US US11/789,294 patent/US7703590B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5713442A (en) * | 1995-03-17 | 1998-02-03 | Toyota Jidosha Kabushiki Kaisha | Fluid transmission device |
DE19950988A1 (de) * | 1999-10-22 | 2001-04-26 | Mannesmann Sachs Ag | Hydrodynamische Kopplungseinrichtung |
JP2004122879A (ja) * | 2002-10-01 | 2004-04-22 | Mazda Motor Corp | 車両用パワートレイン構造 |
Also Published As
Publication number | Publication date |
---|---|
US20070251789A1 (en) | 2007-11-01 |
US7703590B2 (en) | 2010-04-27 |
DE112007000882A5 (de) | 2009-01-08 |
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