CN102066810A - 车辆用驱动装置 - Google Patents

车辆用驱动装置 Download PDF

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Publication number
CN102066810A
CN102066810A CN2009801223201A CN200980122320A CN102066810A CN 102066810 A CN102066810 A CN 102066810A CN 2009801223201 A CN2009801223201 A CN 2009801223201A CN 200980122320 A CN200980122320 A CN 200980122320A CN 102066810 A CN102066810 A CN 102066810A
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China
Prior art keywords
clutch
engine power
controlling element
final controlling
power switch
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Granted
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CN2009801223201A
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CN102066810B (zh
Inventor
铃木智英
糟谷悟
岩濑干雄
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Aisin AW Co Ltd
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Aisin AW Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00Control systems specially adapted for hybrid vehicles
    • B60W20/10Controlling the power contribution of each of the prime movers to meet required power demand
    • B60W20/15Control strategies specially adapted for achieving a particular effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/36Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
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    • B60VEHICLES IN GENERAL
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    • B60K6/00Arrangement 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
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    • B60K6/22Arrangement 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
    • B60K6/38Arrangement 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
    • B60K6/387Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
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    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/22Arrangement 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
    • B60K6/40Arrangement 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
    • B60K6/405Housings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/42Arrangement 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
    • B60K6/48Parallel type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement 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
    • B60K6/20Arrangement 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
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54Transmission for changing ratio
    • B60K6/547Transmission for changing ratio the transmission being a stepped gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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    • B60VEHICLES IN GENERAL
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    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11Stepped gearings
    • B60W10/115Stepped gearings with planetary gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
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    • BPERFORMING OPERATIONS; TRANSPORTING
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    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
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    • B60W2520/10Longitudinal speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F16HGEARING
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    • F16H2045/002Combinations of fluid gearings for conveying rotary motion with couplings or clutches comprising a clutch between prime mover and fluid gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
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    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/021Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type three chamber system, i.e. comprising a separated, closed chamber specially adapted for actuating a lock-up clutch
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
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    • F16H45/02Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type
    • F16H2045/0273Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0284Multiple disk type lock-up clutch
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

本发明提供一种车辆用驱动装置,其将发动机动力切断离合器配置在带锁止离合器的流体传动装置内,能使两离合器的控制性和传递转矩容量提高,同时减少离合器扣合时的摩擦材料的发热量,且抑制流体驱动装置的大型化及驱动装置的大型化,将在变矩器内设置的锁止离合器及发动机动力切断离合器的各个离合器,设为具备执行器的多板式的离合器,将锁止离合器配置成比圆环靠近发动机侧,同时将发动机动力切断离合器配置成比锁止离合器靠近发动机侧,从而将锁止离合器用的执行器和发动机动力切断离合器用的执行器相向配置成,以便各摩擦板在相向的方向被按压。

Description

车辆用驱动装置
技术领域
本发明涉及作为驱动源具有发动机和电动机的混合动力车辆的驱动装置。详细而言,涉及一种在带锁止离合器的流体传动装置内具备发动机动力切断离合器的车辆用驱动装置。
背景技术
作为搭载于混合动力车辆的驱动装置,广泛采用一种将驱动源所发生的旋转经由带锁止离合器的流体传动装置传递到变速机构的装置。而且,这种驱动装置具备发动机动力切断离合器,该发动机动力切断离合器将发动机的驱动力对流体传动装置进行传递或者切断。其中,锁止离合器是用于将动力源产生的驱动力不经由流体而传递到变速机构的结构,在车速到达预先设定的速度时进行动作(锁止),通过消除传递损耗来改善燃料消耗率。
作为具备这种带锁止离合器的驱动装置之一,已知一种将发动机动力切断离合器配置于带锁止离合器的流体传动装置内的技术(专利文献1)。在该驱动装置中,分别向设置于流体传动装置的外罩和离合器的活塞之间的各腔室供应油压,使各腔室之间发生压力差,从而使发动机动力切断离合器及锁止离合器分别动作。
专利文献1:日本特开2000-110916号公报
然而,在上述的驱动装置中,利用供应于各腔室的油压的压力差来控制发动机动力切断离合器与锁止离合器的动作,因此存在其控制性变差这样的问题。此外,发动机动力切断离合器及锁止离合器是单板式的结构,所以存在传递转矩容量较小这样的问题,以及由于摩擦材料面积小而存在离合器扣合时的摩擦材料的发热量变高这样的问题。
在此,为了提高发动机动力切断离合器与锁止离合器的控制性及传递转矩容量,想出将上述的单板式离合器置换为具备油压执行器的多板式离合器。然而,将两个离合器从单板式简单地置换为多板式,会产生流体驱动装置变大这样的新问题。
发明内容
本发明是为解决上述问题而作出的,其目的在于提供一种车辆用驱动装置,其将发动机动力切换离合器配置在带锁止离合器的流体传动装置内,能使两离合器的控制性和传递转矩容量提高,同时减少离合器扣合时的摩擦材料的发热量,且抑制流体驱动装置的大型化及驱动装置的大型化。
为了解决上述问题,本发明的一方式具有:变速机构;流体传动装置,其配设成比上述变速机构靠近发动机安装侧,具备锁止离合器;电动机,其具备转子及定子,将上述转子连结到上述流体传动装置的输入部;发动机动力切断离合器,其针对上述流体传递装置传递或切断发动机的驱动力,其特征在于,上述锁止离合器具备多个摩擦板和按压上述摩擦板的油压执行器,并且在上述流体传动装置内配置成比圆环(torus)靠近发动机安装侧,上述发动机动力切换离合器具备多个摩擦板和按压上述摩擦板的油压执行器,并且在上述流体传动装置内配置在比上述锁止离合器靠近发动机安装侧,上述锁止离合器用的执行器和上述发动机动力切换离合器用的执行器被相向配置,以便上述各摩擦板在相向的方向上被按压。
在该车辆用驱动装置中,锁止离合器和发动机动力切换离合器分别由多板式的离合器构成,各离合器的摩擦板被各自的油压执行器按压。从而能够独立地控制锁止离合器和发动机动力切换离合器的各个离合器,同时能够加大传递转矩容量,并且能够减少离合器扣合时的摩擦材料的发热量。因此,能够使发动机动力切换离合器及锁止离合器的控制性及传递转矩容量提高的同时减少发热量。
而且,在该车辆用驱动装置中,上述锁止离合器用的执行器和上述发动机动力切换离合器用的执行器被相向配置,以便在相向的方向上按压各摩擦板。由此,能够以包围构成各油压执行器的部件(例如,回位弹簧等)的方式将两离合器配置在流体传动装置内。从而即使在带锁止离合器的流体传动装置内设置发动机动力切断离合器,也能抑制流体传动装置在轴向上的大型化。其结果,还能抑制驱动装置的大型化。
此外,通过上述的两执行器的配置,供应有扣合压的扣合压室位于外侧(轴向分离)。因此,能够将向扣合压室供应扣合压的油路分散(分离)配置。由此,能够提高油路的设计自由度。
这样,按照该车辆用驱动装置,通过在带锁止离合器的流体传动装置配置发动机动力切换离合器,能够使发动机动力切换离合器和锁止离合器的控制性及传递转矩容量提高,同时减少离合器扣合时的摩擦材料的发热量,且抑制流体传动装置及驱动装置的大型化。
在上述的车辆用驱动装置中,优选地,上述锁止离合器用的执行器和上述发动机动力切换离合器用的执行器被配置成:包围将发动机的驱动力传递到上述发动机动力切换离合器的传递部件。
如此地,通过以除构成各油压执行器的部件之外,还包围将发动机的驱动力传递到上述发动机动力切换离合器的传递部件的方式将两离合器配置到流体传动装置内,从而能够抑制流体传动装置在轴向上的大型化。
此外,在上述的车辆用驱动装置中,优选地,上述锁止离合器用的执行器和上述发动机动力切换离合器用的执行器被配置成:包围对从发动机传递过来的扭振进行吸收的减震机构。
在将减震机构设在流体传动装置内的情况下,如此地以除构成各油压执行器的部件之外,还包围减震机构的方式将两离合器配置到流体传动装置内,从而能够抑制流体传动装置在轴向上的大型化。
此外,在上述的车辆用驱动装置中,优选地,上述锁止离合器用的执行器和上述发动机动力切换离合器用的执行器分别具备:按压上述各摩擦板的活塞;液密状的扣合压室,其供应用于通过使上述活塞动作而扣合离合器的扣合压,上述锁止离合器用的执行器和上述发动机动力切换离合器用的执行器的至少一方被配置成:上述活塞的一部分和上述扣合压室在上述摩擦板的内径侧沿轴向重合。
在锁止离合器用的执行器和发动机动力切换离合器用的执行器的至少一方中,将活塞的一部分与扣合压室配置成,在摩擦板的内径侧沿轴向重合,从而能够有效利用摩擦板的内径侧的空间来构成油压执行器。由此,能够抑制离合器的轴向尺寸的大型化,结果能够抑制流体传动装置在轴向上的大型化。
此外,在上述的车辆用驱动装置中,优选地,上述发动机动力切换离合器用的执行器的扣合压室,由上述发动机动力切换离合器用的活塞和上述流体传动装置的前罩形成。
通过这样构成,无需为了形成发动机动力切换离合器用的执行器而设置专用的部件。由于不需要专用的部件,所以能够相应地缩短发动机动力切换离合器的轴向尺寸。从而,能够抑制将发动机动力切换离合器配置到流体传动装置内而带来的轴向尺寸的大型化。此外,由于不需要专用的部件,所以能够削减结构部件数,还能实现低成本化及轻量化。
此外,在上述的车辆用驱动装置中,优选地,上述锁止离合器用的执行器的扣合压室,由上述锁止离合器用的活塞和涡轮轮毂形成。
通过设成这种结构,无需为了形成锁止离合器用的执行器的扣合压室而设置专用的部件。由于不要专用的部件,所以能够相应地缩短锁止离合器的轴向尺寸。从而,能够抑制将发动机动力切换离合器配置到流体传动装置内而带来的轴向尺寸的大型化。此外,由于不需要专用的部件,所以能够削减结构部件数,还能实现低成本化及轻量化。
此外,在上述的车辆用驱动装置中,优选地,上述电动机被配置成:在上述发动机动力切换离合器的外径侧,且与上述发动机动力切换离合器用的摩擦板在轴向上重合。
通过这样构成,能够将流体传动装置和电动机配置成在轴向接近,因此能够更可靠地抑制驱动装置在轴向上的大型化。
另外,在流体传动装置上不设置减震机构的情况下,优选地将车辆用驱动装置构成如下。
即,在车辆用驱动装置中,将上述锁止离合器用的摩擦板和发动机动力切换离合器用的摩擦板配置成在轴向上重合。
通过设成这种结构,能够在流体传动装置内将锁止离合器和发动机动力切换离合器配置成在轴向上接近。从而能够抑制由于将发动机动力切换离合器配置在流体传动装置内而引起的轴向尺寸的大型化。
此外,在上述的车辆用驱动装置中,将上述锁止离合器用的离合器轮毂,由上述发动机动力切换离合器用的离合器鼓来构成。
这样,通过将锁止离合器用的离合器轮毂和发动机动力切换离合器用的离合器鼓用一个部件来构成,能够实现两离合器的摩擦板的小型化。从而能过抑制由于将发动机动力切换离合器配置在流体传动装置内而引起的大型化。此外,由于削减离合器的结构部件数,因此能够实现低成本化及轻量化。
按照本发明所涉及的车辆用驱动装置,如上所述,在将发动机动力切换离合器配置在带锁止离合器的驱动装置中,能够使两离合器的控制性及传递转矩容量提高,同时减少离合器扣合时的摩擦材料的发热量,且抑制流体驱动装置的大型化及驱动装置的大型化。
附图说明
图1为表示第一实施方式所涉及的驱动装置的简要结构的部分剖视图。
图2为第一实施方式所涉及的驱动装置内的变矩器附近的放大剖视图。
图3为第二实施方式所涉及的驱动装置内的变矩器附近的放大剖视图。
具体实施方式
以下,基于附图对本发明的车辆用驱动装置的具体地最优选实施方式进行详细说明。在本实施方式中,对单发动机并联式混合动力车辆的驱动装置进行说明。
(第一实施方式)
首先,参照图1及图2对第一实施方式所涉及的驱动装置进行说明。图1为表示第一实施方式所涉及的驱动装置的简要结构的部分剖视图。图2为第一实施方式所涉及的驱动装内的变矩器附近的放大剖视图。
如图1所示,驱动装置10具备:收纳于变速器体18的多级变速机构11;具有锁止离合器40的变矩器13;以及由无刷DC电动机等构成且收容于电动机外壳19中的电动机-发电机14。而且,驱动装置10在图1的左侧部分(发动机安装侧)与汽油发动机等内燃机15连接。
该驱动装置10的结构部件被配置成一轴状,适用前置发动机后驱动(FR)方式。详细而言,从发动机安装侧起,沿同一轴顺次配置电动机-发电机14、变矩器13、变速机构11,将输入轴16的旋转利用变速机构11变速并向输出轴17输出。
如图2所示,变矩器13具有涡轮20、泵轮21及导轮(stator)22,涡轮20与涡轮轮毂23连接,该涡轮轮毂23与输入轴16花键结合。此外,在变矩器13与变速机构11之间配设有油泵25,泵壳25a被固定在变速器体18上。
固定在泵轮21的基部的轮毂24,在泵壳25a的内周经由滚针轴承旋转自如地被支承,同时在泵壳25a和轮毂24之间配设有油封。此外,导轮22与单向离合器28连结,单向离合器28的内圈经由配置在输入轴16与轮毂24之间的套筒29固定在油泵25上。
而且,固定在泵轮21上的前罩30,以其外径部分30a覆盖锁止离合器40的方式沿轴向向发动机侧(前方)延伸,中间部分30b以覆盖发动机动力切断离合器50的方式倾斜地构成,其内径部分30c沿半径方向大致垂直地延伸。在该前罩30的内径端形成有凸台部30d,在凸台部30d内,间隙插入十字头31。由此,前罩30和十字头31可相对旋转。另一方面,在凸台部30d的外周,花键结合有后述的转子轮毂66。
十字头31以对准输入轴16的方式朝向前方(发动机15侧)沿轴向延伸,其后端部分为中空,在该中空部分中配置输入轴16的前端部。由此,十字头31与输入轴16能相对旋转。另一方面,在十字头31的前端部分连结有减震机构32的内径侧。该减震机构32被固定在与发动机15的曲柄轴15a连结的驱动圆盘33上。由此,发动机15的驱动力经由减震机构32传递到十字头31。通过该减震机构32吸收来自发动机15的扭振,以防止该扭振传递到十字头31上。
收纳并配置在前罩30的沿轴向延伸的外径部分30a的内径侧的锁止离合器40为多板式离合器,具备:多个摩擦板41,它们被配置成与涡轮20邻接;以及执行器45,其对摩擦板41进行按压。由此,能够使锁止离合器40的转矩传递容量及控制性提高,同时减少离合器扣合时的发热量。在此,摩擦板41由离合器从动盘41d和离合器摩擦片41p构成,位于涡轮20(圆环35)的外径侧。由此,能够使锁止离合器40的直径较大,从而能够确保所需的足够的转矩传递容量。另外,在本实施方式中,离合器从动盘41d设有两枚。
而且,离合器从动盘41d与轮毂42的花键扣合,离合器摩擦片41p与鼓43的花键扣合。执行器45由活塞盘46、油压室47及回位弹簧48构成,其中,活塞盘46与摩擦板41抵接或与其分开,油压室47供应有使活塞盘46移动的油压(离合器扣合压力),回位弹簧48用于使活塞盘46返回(离合器开放)。这样,由于锁止离合器40具有独立的执行器45,因此与现有的用压差进行动作的相比,提高了控制性。
供离合器从动盘41d扣合的论图42,还可以为发动机动力切断离合器50的鼓53的一部分。也就是说,锁止离合器40的轮毂42由发动机动力切断离合器50的鼓53构成。即,锁止离合器40的轮毂42与发动机动力切断离合器50的鼓53通用,以一部件构成。由此,实现部件个数的削减,同时实现两离合器40、50的小型化。
另一方面,供离合器摩擦片41p扣合的鼓43具有连接部43a,该连接部43a沿轴向延伸而与涡轮20的外廓连结。利用该连结部43a,将鼓43连结固定到涡轮20上。由此,能够有效利用由涡轮20及泵轮21的外廓构成的圆环35的外径侧空间,所以能够将锁止离合器40和圆环35配置成使它们在轴向接近。
而且,摩擦板41的前方侧,通过与鼓43扣合的卡环44而成防拔状态。其后方侧与活塞盘46抵接。由此,通过使活塞盘46移动,能够连接或解开锁紧离合器40。
活塞盘46与鼓43、涡轮轮毂23紧密接触并自如移动。在此,活塞盘46的内径侧端部,经由油封49a与涡轮轮毂23的凸台部23a的外周面紧密接触。此外,在活塞盘46的径向大致中央形成有折曲部46a,该折曲部46a折曲成コ字状并向前方侧突出。而且,折曲部46a的后方侧凹部外周面,经由油封49b与在涡轮轮毂23的外周端部沿前方侧延伸设置的延设部23b紧密接触。通过这种结构,由活塞盘46和涡轮轮毂23形成液密状的油压室47。因此,不需要用于形成油压室47的专用部件,因此能够缩短锁止离合器40的轴向尺寸,同时削减结构部件个数。
如上述那样形成的油压室47,与活塞盘46的一部分在轴向上重叠。由此,能够有效利用摩擦板41的内径侧空间并构成执行器45,从而能够实现锁紧离合器40在轴向上的小型化。
此外,收纳并配置在前罩30的中间部分30b的内径侧上的发动机动力切断离合器50,构成比锁止离合器40小的小径,同时配置成比锁止离合器40靠近发动机15侧。而且,发动机动力切断离合器50,也与锁止离合器40一样,是具备由多个摩擦板51和按压摩擦板51的执行器55的多板式离合器。由此,能够使发动机动力切断离合器50的转矩传递容量及控制性提高,同时减少离合器扣合时的发热量。在此,摩擦板51由离合器从动盘51d和离合器摩擦片51p构成,在本实施方式中离合器从动盘51d设有两枚。
这样,通过将发动机动力切断离合器50制成比锁止离合器40小的小径,从而能够确保比发动机动力切断离合器50要求大的传递转矩容量的锁止离合器40的所需容量,同时将两离合器40、50配置成使它们在轴向接近。
而且,离合器从动盘51d与轮毂52的花键扣合,离合器摩擦片51p与鼓53的花键扣合。执行器55由活塞盘56、油压室57及回位弹簧58构成,其中,活塞盘56与摩擦板51抵接或与其分开,油压室5供应有使活塞盘56移动的油压(离合器扣合压力),回位弹簧58用于使活塞盘56返回。
此外,供离合器从动盘51d扣合的轮毂52的内径侧,被固定在十字头31的后端部外周。由此,轮毂52与十字头31一起旋转。发动机15的驱动力传递到该十字头31,所以轮毂52相当于本发明的“传递部件”。另一方面,供离合器摩擦片51p扣合的鼓53,被固定在前罩30的内径部分30c,其相反侧端部如后文说明的那样作为锁止离合器40的鼓43构成。
而且,摩擦板51的后方侧,通过与鼓53扣合的卡环54而成防拔状态。其前方侧与活塞盘56抵接。由此,能够使活塞盘56移动,同时连接或解开发动机动力切断离合器50。
活塞盘56与鼓53、前罩紧密接触并自如移动。在此,活塞盘56的内径侧端部经由油封59a与前罩30的凸台部30d外周面紧密接触。此外,在活塞盘56的径向大致中央形成有折曲部56a,该折曲部56a折曲成コ字状并向后方侧突出。而且,折曲部56a的前方侧凹部外周面,经由油封59b与在前罩30的内径部分30c沿后方侧延伸设置的延设部30e紧密接触。通过这种结构,由活塞盘56和前罩30形成液密状的油压室57。因此,不需要用于形成油压室57的专用部件,因此能够缩短发动机动力切断离合器50的轴向尺寸,同时削减结构部件个数。
如上述那样形成的油压室57,与活塞盘56的一部分在轴向上重叠。由此,能够有效利用摩擦板51的内径侧空间并构成执行器55,从而能够实现发动机动力切断离合器50在轴向上的小型化。
在此,在如上述那样构成的锁止离合器40和发动机动力切换离合器50中,将各执行器45、55以使各摩擦板41、51在相向的方向按压的方式相向配置。因此,能够以包围构成各执行器45、55的部件(例如,回位弹簧48、58等)及轮毂52的方式将两离合器40、50配置在变矩器13内。由此,在具备锁止离合器40的变矩器13内设置发动机动力切换离合器50时,能够抑制变矩器13在轴向上的大型化。
而且,通过将两离合器40、50相向配置,使油压室47、57沿前后方向(轴向)分离的方式配置。因此,能够将向油压室47、57供应油压的油路47a、57a分散(分离)配置。由此,能够提高油路47a、57a的设计自由度。
此外,两离合器40、50的各摩擦板41、51被配置成,其一部分在轴向上重叠。能够制成这种配置,是因为将发动机动力切换离合器50构成为比锁止离合器40小的小径。通过这种量离合器40、50的配置,能够将两离合器40、50配置成使它们在轴向上更接近。
这样,由于能够将缩短了轴向尺寸的锁止离合器40和发动机动力切换离合器50接近地配置,同时将锁止离合器40和圆环35接近地配置,因此即使在具备锁止离合器40的变矩器13内设置发动机动力切换离合器50,也能抑制变矩器13的大型化。
而且,电动机-发电机14具有定子61和转子62,上述定子61及转子62被配置与前罩30的外径部分30a的一部分及中间部分30b的外径侧大致对应的位置,即被配置在与位于其内径侧的发动机动力切换离合器50在轴向上重叠的位置。因此,由于能够使变矩器13和电动机-发电机14在轴向上接近地配置,所以能够可靠地抑制驱动装置10在轴向上的大型化。
在此,定子61是在定子铁心61a上卷绕线圈61b而构成,并且被固定在电动机外壳19上,其中,定子铁心61a由沿轴向层叠的层叠钢板构成。转子62是将由永久磁铁构成的多个层叠板62a沿轴向排列而构成,这些层叠板62a被固定且支承在支承板63上。
该支承板63具有圆板部63a和保持部63b,其中,圆板部63a在前罩30的内径部分30c的前方(发动机15侧)平行地沿半径方向延伸,保持部63b用于保持层叠板62a。保持部63b的轴向大致中央与圆板部63a连结,并沿轴向延伸。而且,转子62和定子61,其层叠板62a和定子铁心61a在轴向上位于相同的位置(重叠的位置),即在规定的轴向长度处沿半径方向排列,且这些层叠板62a和定子铁心61a稍稍隔开间隔并相向。
此外,电动机外壳19具有沿着定子61的前方部分设置的侧壁19a,在侧壁19a的中间部分与转子支承板63之间设有分解器64。分解器64用于准确地检测出转子62的旋转位置,以控制在定子61中流动的电流的时刻,由转子64a和定子64b构成,该转子64a和定子64b分别由精密加工的层叠板构成。而且,将被线圈励磁的定子64b设于外径侧,将转子64a设于内径侧,并配置成沿半径方向排列(在轴向上重叠位置)。
进一步,在电动机外壳侧壁19a的内径端,安装有滚珠轴承65。该滚珠轴承65处于分解器64的内径侧,且被配置在沿半径方向大致排列的位置(在轴向上重叠的位置)。在滚珠轴承65的内径侧,以几乎没有间隙的高精度的公差状态嵌合(不是压入)有转子轮毂66,该转子轮毂66被固定在转子支承板63的内径端。而且,轮毂66的内径侧与前罩30的凸台部30d花键结合。
接着,对上述驱动装置10的动作进行说明。在车辆的停止状态下且点火开关处于打开状态下,当驾驶者踩踏加速踏板(低节气门开度)而试图出发时,首先在电动机-发电机14上流动来自电池(未图示)的电流,从而作为电动机发挥功能。由无刷直流电动机构成的电动机-发电机14,基于由分解器64准确检测出的转子62的位置,并由控制器(未图示)调整在定子61的线圈61b中流动的电流的时刻,沿前进方向高效地旋转转子62。该转子62的旋转,经由转子支承板63、转子轮毂66、前罩30及由泵轮21、涡轮20及导轮22构成的变矩器,伴随规定的转矩比的增大被传递到输入轴16上。
而且,当刚刚出发之后的车辆处于较低的规定速度,且节气门被踩踏成规定开度以上时,燃料喷射装置动作,并通过火花塞点火,从而电动机-发电机14作为起动电动机发挥作用,以起动内燃机15。由此,内燃发动机15的曲柄轴15a的旋转,经由驱动圆盘33、减震机构32传递到十字头31上。而且,连接发动机动力切换离合器50,内燃机15的驱动力及作为发电机发挥功能的电动机-发电机14的驱动力被加在一起而传递到变矩器13上,还被变速机构11变速,从而以所希望的转速被传递到驱动车轮上。如此地,在需要车辆的加速状态、爬坡状态等较大驱动力的情况下,内燃机15的驱动力得到电动机-发电机14的驱动力的辅助而使车辆以高马力行驶。
在此,发动机动力切换离合器50由具有独立的执行器55的多板式离合器构成,所以针对发动机转矩具备足够的转矩传递容量,并且控制性也优越。因此,能够将内燃机15的驱动力可靠地传递到输入轴16,还能减少发热量。
而且,在车辆处于恒定高速行驶状态时,将电动机-发电机14设为无负载运转(控制电动机输出,使得由在电动机上产生的反电动势引起的转矩相抵),使电动机-发电机14空转,主要用内燃机15的驱动力来使车辆前进。另外,利用电池的充电量(SOC),使电动机-发电机14作为发电机发挥功能,以使能量再生。在由内燃机15驱动的驱动状态或在内燃机15得到电动机辅助的驱动状态(根据情况只用发电机驱动的驱动状态)下,连接锁止离合器40。由此,传递到前罩30的转矩,经由轮毂42(鼓53)、摩擦板41、鼓43、涡轮20及涡轮轮毂23直接传递输入轴16上,而不是经由变矩器的油流。
此时,如上所述,锁止离合器40由具有独立的执行器45的多板式离合器构成,所以针对上述电动机辅助产生的高马力也具备足够的转矩容量,且控制性也有约,其中上述执行器45具有与圆环35的外径相等的直径。因此,能够将内燃机15及电动机14的驱动力可靠地传递到输入轴16上。
此外,在恒定低、中速及下坡路行驶等内燃机15的输出具有剩余时,根据电池的SOC,使电动机-发电机14作为发电机发挥功能,以对电池进行充电。尤其在下坡时要求发动机制动时,加大构成发电机的电动机-发电机14的再生电力,从而能够得到足够的发动机制动效果。此外,在驾驶者踩踏制动器而要求停止车辆时,进一步加大电动机-发电机14的再生电力,使其作为再生执行器发挥作用,并将车辆的惯性能作为电力再生,从而减少由摩擦制动的热引起的能量释放。此外,为了在中速域,也能使内燃机15在更高的高输出、高效率的区域运转,将发电电动机14设为再生状态,由此能够提高发动机效率,同时能够基于再生对电池的充电而增大电动机行驶,能够提高能效。
而且,在车辆由于信号灯等而停止的状态下,电动机-发电机14停止,同时燃料喷射装置被关闭,内燃机15也停止。即,消除了现有的发动机的怠速运转状态。此外,从该停止状态到车辆的出发,则像上述那样,利用电动机-发电机14的电动机驱动力来出发,在以紧随其后的较低的低俗状态下,利用电动机驱动力来起动内燃机15,通过电动机14的驱动力的辅助,消除内燃机15的剧烈的驱动力变动,从而进行平稳地运转,而且在需要发动机制动时及制动停止时,将电动机-发电机14作为再生制动器,使车辆惯性能作为电能再生。此外,在发动机低负载、极低负载那样发动机效率差的区域,利用发电机行驶。通过同时具备这些,搭载了本驱动装置10的混合动力车辆,能够实现燃料消耗的节省及废气的减少。
如以上进行的详细说明,按照第一实施方式所涉及的驱动装置10,将锁止离合器40及发动机动力切换离合器50的各个离合器设为具备执行器45、55的多板式离合器。因此,能够使锁止离合器40及发动机动力切换离合器50的控制性及传递转矩容量提高,同时减少离合器扣合时的发热量。而且,将执行器45及执行器55以使各摩擦板41、51在相向的方向按压的方式相向配置,且设在变矩器13内。因此,能够以包围构成各执行器45、55的部件(例如,回位弹簧48、58等)的方式将两离合器40、50设在变矩器内。从而,能够抑制由于将发动机动力切换离合器50设在变矩器13内而导致的变矩器13在轴向上的大型化,还能抑制驱动装置10的大型化。
(第二实施方式)
下面,参照图3对第二实施方式进行说明。图3为第二实施方式所涉及的驱动装置内的变矩器附近的放大剖视图。在此,第二实施方式所涉及的驱动装置,其基本机构与第一实施方式几乎相同,不同点只在于,减震机构设在变矩器13内。因此,在以下的说明中,仅围绕该不同点进行说明,对于与第一实施方式相同的结构适当省略其说明。
如图3所示,在第二实施方式所涉及的驱动装置10a中,减震机构32a不是配置在内燃机15与电动机-发电机14之间,而是配置在变矩器13内。详细而言,在相向配置的锁止离合器40和发动机动力切换离合器50之间,以被两离合器40、50包围的方式配置减震机构32a。
而且,将减震机构32a的内径侧固定在十字头31a的后端部外周,且在该减震机构32a上固定轮毂52。由此,将内燃机15的驱动力,从十字头31a经由减震机构32a传递到发动机动力切换离合器50上。如此地,通过将减震机构32a配置到变矩器13内,能够使减震机构32a的耐久性提高。
此外,将减震机构32a配置到变矩器内,同时将前罩30的形状、发动机动力切换离合器50的活塞盘56的形状等,从第一实施方式的形态做少许变更。并且,分别构成离合器轮毂42和离合器鼓53,并且分别固定在前罩30上。而且,将转子62的支承板63固定到前罩30的内径部分30c,使前罩30与转子62一起旋转。因此,分解器64由配置在内径侧的定子64a和配置在外径侧的转子64b构成。
在具有上述结构的驱动装置10a中,将转子62的旋转,从转子支承板63及前罩30,经由由泵轮21、涡轮20及导轮22构成的变矩器13,伴随规定的转矩比的增大传递到输入轴16。此外,将内燃机15的曲柄轴的旋转,从十字头31a经由减震机构32a传递到发动机动力切换离合器50。而且,在连接发动机动力切换离合器50时,将曲柄轴15a的旋转,经由变矩器13伴随规定的转矩比的增大传递到输入轴16。
如此地,在将减震机构32a设在变矩器内的情况下,如上所述,以除构成各执行器45、55的部件之外,还包围减震机构32a的方式将两离合器40、50在变矩器13内相向配置,从而能够抑制变矩器13在轴向上的大型化。
另外,上述的实施方式仅仅是简单的例示,并不限定本发明,在不脱离其主旨的范围内可进行各种改进、变形,这是显而易见的。例如,在上述的实施方式中,将本发明应用到FR类型的驱动装置上,但不限于此,还可应用到FF(前置引擎,前轮驱动)类型的其他形式的驱动装置。进一步,上述的实施方式,作为电动机-发电机,使用了无刷直流电动机,但是还可以为直流电动机、感应式交流电动机等其他电动机。并且,上述的实施方式,作为流体传动装置使用了变矩器,但是也可以为流体联轴器等。

Claims (7)

1.一种车辆用驱动装置,具有:变速机构;流体传动装置,其配设成比所述变速机构靠近发动机安装侧,具备锁止离合器;电动机,其具备转子及定子,将所述转子连结到所述流体传动装置的输入部;发动机动力切断离合器,其针对所述流体传递装置传递或切断发动机的驱动力,其特征在于,
所述锁止离合器具备多个摩擦板和按压所述摩擦板的油压执行器,并且在所述流体传动装置内被配置成比圆环靠近发动机安装侧;
所述发动机动力切换离合器具备多个摩擦板和按压所述摩擦板的油压执行器,并且在所述流体传动装置内被配置成比所述锁止离合器靠近发动机安装侧;
所述锁止离合器用的执行器和所述发动机动力切换离合器用的执行器被相向配置,以便所述各摩擦板在相向的方向上被按压。
2.根据权利要求1所述的车辆用驱动装置,其特征在于,
所述锁止离合器用的执行器和所述发动机动力切换离合器用的执行器被配置成:
包围将发动机的驱动力传递到所述发动机动力切换离合器的传递部件。
3.根据权利要求2所述的车辆用驱动装置,其特征在于,
所述锁止离合器用的执行器和所述发动机动力切换离合器用的执行器被配置成:
包围对从发动机传递过来的扭振进行吸收的减震机构。
4.根据权利要求2或3所述的车辆用驱动装置,其特征在于,
所述锁止离合器用的执行器和所述发动机动力切换离合器用的执行器分别具备:
按压所述各摩擦板的活塞;液密状的扣合压室,其供应用于通过使所述活塞动作而扣合离合器的扣合压,
所述锁止离合器用的执行器和所述发动机动力切换离合器用的执行器的至少一方被配置成:
所述活塞的一部分和所述扣合压室在所述摩擦板的内径侧沿轴向重合。
5.根据权利要求4所述的车辆用驱动装置,其特征在于,
所述发动机动力切换离合器用的执行器的扣合压室,由所述发动机动力切换离合器用的活塞和所述流体传动装置的前罩形成。
6.根据权利要求4或5所述的车辆用驱动装置,其特征在于,
所述锁止离合器用的执行器的扣合压室,由所述锁止离合器用的活塞和涡轮轮毂形成。
7.根据权利要求1至6中任一项所述的车辆用驱动装置,其特征在于,
所述电动机被配置成:
在所述发动机动力切换离合器的外径侧,且与所述发动机动力切换离合器用的摩擦板在轴向上重合。
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