CN101233006A - 车辆用驱动装置 - Google Patents

车辆用驱动装置 Download PDF

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CN101233006A
CN101233006A CNA2006800277535A CN200680027753A CN101233006A CN 101233006 A CN101233006 A CN 101233006A CN A2006800277535 A CNA2006800277535 A CN A2006800277535A CN 200680027753 A CN200680027753 A CN 200680027753A CN 101233006 A CN101233006 A CN 101233006A
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cabinet
motor
speed
distolateral
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CN101233006B (zh
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糟谷悟
鬼头昌士
田端淳
柿并拓马
小嶋昌洋
茨木隆次
岩濑雄二
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Aisin AW Co Ltd
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Aisin AW Co Ltd
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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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • 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
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • F16H3/728—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path with means to change ratio in the mechanical gearing
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0833—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths
    • F16H37/084—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with arrangements for dividing torque between two or more intermediate shafts, i.e. with two or more internal power paths at least one power path being a continuously variable transmission, i.e. CVT
    • F16H2037/0866—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft
    • F16H2037/0873—Power split variators with distributing differentials, with the output of the CVT connected or connectable to the output shaft with switching, e.g. to change ranges
    • 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
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    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02013—Extension units for gearboxes, e.g. additional units attached to a main gear
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02034—Gearboxes combined or connected with electric machines
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F16H57/0441—Arrangements of pumps
    • 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
    • F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
    • F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S903/00—Hybrid electric vehicles, HEVS
    • Y10S903/902—Prime movers comprising electrical and internal combustion motors
    • Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
    • Y10S903/952—Housing details
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/2186—Gear casings

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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)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • General Details Of Gearings (AREA)
  • Control Of Transmission Device (AREA)

Abstract

本发明提供一种可充分地确保油压控制装置的设置空间以及油盘的容量的车辆用驱动装置。该车辆用驱动装置(1)构成为，将变速机构(3)和电动机(MG2)容纳于机箱(D)内，并且在机箱(D)的外壁配置油压控制装置(7)，其中，机箱(D)，在机箱主体(D′)的一端侧具有可插入变速机构(3)以及电动机(MG2)的一端开口部(Da)，并且在机箱主体(D′)的另一端侧与机箱主体(D′)一体地具有另一端壁部(Db)，该另一端壁部(Db)设置有支承变速机构(3)的输出轴(14)的轴支承部(Db1)。

Description

车辆用驱动装置
技术领域
本发明涉及一种车辆用驱动装置，其构成为：将具有被油压控制的摩擦卡合机构的变速机构和电动机容纳于机箱内，并且在上述机箱的外壁上配置有控制向上述摩擦卡合机构供给油压的油压控制装置。
背景技术
关于具有变速机构和电动机的车辆用驱动装置，例如，下述的专利文献1公开了如图4所示的构成。该图4表示专利文献1记载的车辆用驱动装置51的侧面剖视图。该车辆用驱动装置51，将在未图示的发动机的曲轴52的延长线上依次配置的减震装置53、第一电机/发电机54、由行星齿轮机构构成的动力分配机构55、第二电机/发电机56、以及变速机构57容纳在机箱58内而构成。在此，变速机构57由行星齿轮机构构成，且具有通过限制该机构的任何一个要素的转动来切换变速比用的两个制动器57a、57b。
机箱58，从曲轴52一侧按顺序由第一机箱58a、第二机箱58b以及终端盖58c构成。其中，第二机箱58b构成为，一体形成有从其内周壁沿着直径方向内侧延伸出的中间壁部59，并通过该中间壁部59第二机箱58b内的空间被分为两个部分。并且，第二电机/发电机56构成为从第二机箱58b的轴方向一端侧(图4中的左侧)插入组装，变速机构57构成为从第二机箱58b的轴方向另一端侧(图4中的右侧)插入组装。另外，在第二机箱58b的另一端侧，以覆盖组装于第二机箱58b的变速机构置57的方式组装有终端盖58c。由此，变速机构57的输入轴57c由设置于中间壁部59的轴支承部59a所支承，输出轴57d由设置于终端盖58c的轴支承部58c1所支承。另一方面，在第二机箱58b的前侧组装有第一机箱58a。在第一机箱58a的内部组装有减震装置53、第一电机/发电机54、以及动力分配机构55。
然而，在第二机箱58b下侧的外壁上，安装有油盘60以及油压控制装置61。油盘60，与第二机箱58b的全长配合，而具有从第二机箱58b的一端部附近至另一端部附近为止的轴向长度，且以基本覆盖第二机箱58b下侧的整体的方式被安装。另外，油压控制装置61配置在由该油盘60和机箱58的外壁所包围的油室62内。该油压控制装置61，通过内置的各个阀的切换，将由油泵63供给的油，作为冷却用、润滑用或制动器57a、57b的断开/连接动作用，而供给到电机/发电机54、56和变速机构57等。
专利文献1：日本专利特开2004-353782号公报
在上述的车辆用驱动装置51中，将油盘60以及油压控制装置61，跨过第二机箱58b和第一机箱58a之间的边界或第二机箱58b和终端盖58c之间的边界配置时，难于确保通过油封的油密封性。即，在跨过这样的边界来配置油盘60时，油盘60和第一机箱58a、第二机箱58b以及终端盖58c之间的油封、与第二机箱58b和第一机箱58a之间或第二机箱58b和终端盖58c之间的油封有交叉的部分，因而在该部分难于确保油密封性。从而，油盘60以及油压控制装置61的设置空间的轴向全长，以第二机箱58b的轴向的全长作为最大，被限制在其以下。因此，例如将变速机构57多档化而需要复杂的油压控制时等，需要将油压控制装置61大型化时，难于确保其设置空间。另外，为了即使在车辆加速时或减速时等油盘60内的油发生倾斜时也能使向油压控制装置61的油的供给状态保持稳定，而希望扩大油盘60的容量。
发明内容
本发明是鉴于上述问题而作出的，其目的在于提供一种可以充分确保油压控制装置的设置空间以及油盘容量的车辆用驱动装置。
为了实现上述目的，本发明涉及的车辆用驱动装置，构成为，将具有进行油压控制的摩擦卡合机构的变速机构和电动机容纳于机箱内，并且在上述机箱的外壁配置有控制向上述摩擦卡合机构供给的油压的油压控制装置，其特征在于，上述机箱，在机箱主体的一端侧具有可插入上述变速机构以及上述电动机的一端开口部，并且在上述机箱主体的另一端侧与上述机箱主体一体地具有另一端壁部，该另一端壁部设置有支承上述变速机构的输出轴的轴支承部。
另外，在本申请中，“电动机”的概念，是包括由电力产生转动驱动力的电机，由转动驱动力产生电力的发电机(发电机)，以及根据需要实行电机和发电机两者功能的电机/发电机的任何一个为概念而使用的。
根据该特征构成，在机箱的另一端侧，将设置有对变速机构的输出轴进行支承的轴支承部的另一端壁部与机箱主体设置为一体，因而无需在机箱的另一端侧安装用于覆盖开口部的盖部件。从而，到将设置有对变速机构的输出轴进行支承的轴支承部的另一端壁部附近为止，可作为油盘及油压控制装置的设置空间。即，与现有的装置构成相比，可将油盘60以及油压控制装置61的设置空间，在确保油密封性的同时扩大到只相当于从终端盖58c的轴支承部58c1至相对于第二机箱58b的安装面58c2为止期间的轴向长度L(参见图4)的长度。
另外，根据该特征构成，能够将变速机构以及电动机的两者从机箱的一端侧在一个方向上组装。从而，可提高变速机构以及电动机的组装作业的容易性。
在此，优选为，在比上述机箱内的上述变速机构更靠上述一端侧，固定有设置了对上述变速机构的输入轴进行支承的轴支承部的中间壁体，且在比上述机箱内的上述中间壁体更靠上述一端侧，配置有上述电动机。
根据该构成，能够构成为，不损害将变速机构以及电动机的两者从机箱的一端侧在一个方向上组装时的组装性，且在变速机构和电动机之间，通过中间壁体来支承变速机构的输入轴。
另外，优选为，上述变速机构的外径比上述电动机的外径小，与它们的外径相配合，上述机箱主体形成为，比上述中间壁体更靠上述另一端侧的外径，与比上述中间壁体更靠上述一端侧的外径相比更小。
该构成中，变速机构比电动机直径小，且将它们从机箱的一端侧插入来进行组装。因此，不损害将变速机构和电动机插入到机箱内来组装时的作业性，可将机箱的另一端侧的外径，与变速机构的外径相配合，形成为比容纳电动机的一端侧外径较小的外径。从而，将容纳变速机构的机箱的另一端侧的部分，与一端侧的部分相比可形成为在直径方向上较小的形状。因此，在机箱的另一端侧区域中，可将油压控制装置的设置空间在径向上扩大。
另外，优选为，在上述机箱的内壁，设置有上述另一端侧为小直径的台阶部，上述中间壁体从上述一端侧抵接于上述台阶部的侧面来被固定。
根据这样的构成，能够将中间壁体与变速机构和电动机同样，从机箱的一端侧插入来组装。
另外，优选为，在上述中间壁体的内部，形成有与上述油压控制装置连通的油槽。
根据这样的构成，能够利用中间壁体从机箱的轴方向中间部分，对变速机构和电动机供给油。
另外，优选为，在上述机箱的内壁，设置有上述另一端侧为小直径的定子固定用台阶部，上述电动机的定子从上述一端侧抵接于上述定子固定用台阶部的侧面而被固定。
根据这样的构成，能够将电动机的定子从机箱的一端侧通过止动件等容易地进行固定。
另外，优选为，在上述机箱的外壁下侧组装有油盘，该油盘具有：从上述机箱中的上述一端侧开口部的下方位置附近至上述另一端侧壁部的下方位置附近为止的长度，在由该油盘和上述机箱的外壁包围的油室内配置有上述油压控制装置。
根据该构成，能够有效地利用机箱的轴向长度，并充分地确保油盘的容量以及油压控制装置的设置空间。
另外，优选为，在比上述电动机更靠近上述一端侧配置油盘，并通过在上述机箱主体的一端侧设置的油槽，连通上述油盘和上述油压控制装置。
根据该构成，特别是，在油压控制装置为在机箱的长度方向长的装置时，能够将油盘和油压控制装置通过比较短的油槽进行连通。
另外，优选为，将上述电动机作为第二电机/发电机，并进一步具备第一电机/发电机和动力分配机构，从车辆的发动机一侧朝向上述输出轴一侧，按上述第一电机/发电机、上述动力分配机构、上述第二电机/发电机、上述变速机构的顺序配置而成的构成。
在此，通常变速机构比电动机直径小。从而，根据这样的构成，装置整体的直径方向的大小，能够朝向上述输出轴一侧逐渐减小。因此，能够使向车辆的搭载性优良。
附图说明
图1为表示本发明的实施方式涉及的车辆用驱动装置的整体构成的剖视图。
图2为图1的主要部分的放大图。
图3为在本发明的实施方式涉及的车辆用驱动装置中的与图1及图2不同剖面的主要部分的放大图。
图4为背景技术涉及的车辆用驱动装置的剖视图。
符号说明：
1…车辆用驱动装置；3…变速机构；5…驱动装置机箱；7…油压控制装置；8…油盘；9…中间壁体；9a1…径向油路；9c1…轴向油槽；9f…轴支承部；10…油室；13…中间轴(变速机构的输入轴)；14…输出轴(变速机构的输出轴)；D…第二机箱(机箱)；D＇…第二机箱主体；Da…前端开口部(一端开口部)；Db…后端壁部(另一端壁部)；Db1…轴支承部；Df…台阶部；Dg…大直径部；Dh…小直径部；MG1…第一电机/发电机；MG2…第二电机/发电机。
具体实施方式
以下，对本发明的实施方式，根据附图进行说明。在本实施方式中，以车辆用驱动装置1输入由发动机E产生的驱动力，并且具备作为电动机的两个电机/发电机MG1和MG2的混合动力车辆用驱动装置的情况为例进行说明。
图1为表示本实施方式涉及的车辆用驱动装置1的整体构成的剖视图。另外，图2为图1的主要部分的放大图。在这些图中，示意性地表示第一电机/发电机MG1、第二电机/发电机MG2、动力分配机构2以及变速机构3。另外，对连接于该车辆用驱动装置1的发动机E、蓄电池Ba以及变换器In1、In2也进行示意性的表示。
1.整体构成
如图1所示，该车辆用驱动装置1，主要构成为，具备：第一电机/发电机MG1、第二电机/发电机MG2、动力分配机构2以及变速机构3。并且，该车辆用驱动装置1构成为，将由发动机E通过减震装置4传递来的驱动力，通过动力分配机构2，根据需要向第一电机/发电机MG1、第二电机/发电机MG2以及变速机构3分配传递的分段式。这些各构成容纳于将第一机箱C以及第二机箱D组合而构成的、在前后方向上较长的筒状的驱动装置机箱5的内部。具体地说，从发动机E一侧朝向输出轴14一侧，按如下顺序，即第一电机/发电机MG1、动力分配机构2、第二电机/发电机MG2、变速机构3的顺序进行配置而容纳。另外，该车辆用驱动装置1，在第二机箱D的外壁下侧，具有：对于将由油泵6供给的油向车辆用驱动装置1内的各部供给进行控制的油压控制装置7；储存油的油盘8。另外，该车辆用驱动装置1的输出轴14，通过未图示的差速装置或四轮驱动用的转换装置等，将驱动力传递到车轮。
以下，对该车辆用驱动装置1的各部的构成进行详细说明。另外，在本实施方式的说明中，将通过发动机E驱动的曲轴11一侧称为“前侧(在图1中的左侧)”，将输出轴14一侧称为“后侧(在图1中的右侧)”。
2.内部构成
该车辆用驱动装置1中，在曲轴11的轴心的延长线上，输入轴12、中间轴13以及输出轴14从前侧开始按顺序配置为一列。在曲轴11和输入轴12之间，设置有减震装置4。该减震装置4为，用于使曲轴11的转动方向的振动衰减并传递到输入轴12的装置。输入轴12的后端部，与动力分配机构2的行星齿轮架2b连接。另外，也可以为不设置减震装置4的构成。
动力分配机构2，由与输入轴12同轴状地配置的单小齿轮式的行星齿轮机构来构成。即，动力分配机构2具有：分别与支承多个小齿轮2a的行星齿轮架2b和小齿轮2a咬合的太阳齿轮2c以及齿圈2d。该动力分配机构2中，行星齿轮架2b连接于输出轴12，太阳齿轮2c连接于第一电机/发电机MG1的转子R1，齿圈2d连接于中间轴13。由此，动力分配机构2，将由发动机E通过输入轴12传递到行星齿轮架2b的驱动力，通过第一电机/发电机MG1的转动控制，分配到第一电机/发电机MG1一侧和中间轴13一侧。另外，分配到第一电机/发电机MG1的驱动力，主要供给发电用，传递到中间轴13的驱动力主要供给车辆行驶用。
第一电机/发电机MG1具有：固定于第一机箱C的定子S1；自由转动地支承于该定子S1的径向内侧的转子R1。该第一电机/发电机MG1的转子R1连接于动力分配机构2的太阳齿轮2c。该第一电机/发电机MG1，通过变换器In1连接于蓄电池Ba，进而通过变换器In2连接于第二电机/发电机MG2。并且，第一电机/发电机MG1，主要利用通过太阳齿轮2c输入的驱动力进行发电，且对作为蓄电装置的蓄电池Ba进行充电，或者驱动第二电机/发电机MG2。
第二电机/发电机MG2具有：固定于第二机箱D的定子S2；自由转动地支承于该定子S2的径向内侧的转子R2。该第二电机/发电机MG2的转子R2连接于中间轴13。该中间轴13连接于动力分配机构2的齿圈2d以及变速机构3。该第二电机/发电机MG2，通过变换器In2连接于蓄电池Ba，进而通过变换器In1连接于第一电机/发电机MG1。并且，第二电机/发电机MG2，主要作为辅助车辆行驶用的驱动力的驱动电机而起作用。其中，在车辆减速时等作为发电机起作用，将车辆的惯性力作为电能而再生。
变速机构3由一组行星齿轮机构或多组行星齿轮机构的组合而构成。从而，变速机构3，作为其构成要素而具有：支承多个小齿轮的行星齿轮架、太阳齿轮以及齿圈。并且，变速机构3具备：用于限制或容许构成该变速机构的行星齿轮机构的上述各要素的转动的制动器；用于连接多个要素的由离合器构成的多个摩擦卡合单元。各摩擦卡合单元通过未图示的油压伺服而进行卡合或解除卡合，该油压伺服利用由油泵6并通过油压控制装置7供给的油而进行动作。通过该各摩擦卡合单元的卡合或解除卡合，变速机构3可对变速比不同的多个变速档进行切换。在此，变速机构3的输入侧连接于中间轴13，输出侧连接于输出轴14。从而，在本实施方式中，中间轴13相当于变速机构3的输入轴，输出轴14相当于变速机构3的输出轴。
3.驱动装置机箱5的构成
驱动装置机箱5构成为，具有：第一机箱C、和在第一机箱C的后侧一体组装的第二机箱D。其中，在第一机箱C的内部，容纳有减震装置4以及第一电机/发电机MG1。另外，在第二机箱D的内部，容纳有第二电机/发电机MG2以及变速机构3。动力分配机构2以及油泵6，容纳于第一机箱C和第二机箱D之间的结合部附近。在第二机箱D外壁的下侧，安装有油压控制装置7以及油盘8。在本实施方式中，第二机箱D相当于本申请权利要求书中的“机箱”。另外，该第二机箱D的前侧(图1及图2中的左侧)相当于本申请权利要求书中的“一端侧”，后侧(图1及图2中的右侧)相当于本申请权利要求书中的“另一端侧”。
第一机箱C形成为大致两层的圆筒状，且在其前端侧具有可插入第一电机/发电机MG1及减震装置4的前端开口部Ca。另外，第一机箱C，在其后端侧也具有后端开口部Cb而开口。另外，第一机箱C，在前端开口部Ca的周围，具有用于安装在发动机E的后端部上的凸缘状的前端安装部Cc，且在后端开口部Cb的周围具有用于与第二机箱D结合的后端结合部Cd。另外，在第一机箱C的内壁上，在其前后方向(轴向)中间部形成有台阶部Ce。在该台阶部Ce的前侧形成为呈大致圆筒状的大直径部Cf，台阶部Ce的后侧形成为比大直径部Cf直径小的大致圆筒状的小直径部Cg。在该大直径部Cf的径向内侧容纳有减震装置4。在小直径部Cg的内壁固定有第一电机/发电机MG1的定子S1，并容纳有第一电机/发电机MG1。另外，在小直径部Cg的后侧的下部，设置有保持油泵6的转动轴6a的前侧端部的轴支承部Ch。另外，在此省略了详细说明，但第一电机/发电机MG1的定子S1固定于第一机箱C的内壁时的固定构造，与后述的第二电机/发电机MG2的定子S2固定于第二机箱D的内壁时的固定构造(参见图3)相同。
接着，主要用图2对第二机箱D进行说明。第二机箱D，在大致两层圆筒状的第二机箱主体D＇的前端侧，具有可插入变速机构3以及第二电机/发电机MG2的前端开口部Da。另外，第二机箱D，在第二机箱主体D＇的后端侧，具有与第二机箱主体D＇一体的设置有对变速机构3的输出轴14进行支承的轴支承部Db1的后端壁部Db。在此，后端壁部Db，在第二机箱主体D＇的后端部中，形成为从其内周壁向径向内侧延伸出的壁状。并且，在后端壁部Db的径向中央附近形成有凸台部Db2，嵌入到该凸台部Db2而被支承的轴承构成对输出轴14进行支承的轴支承部Db1。在本实施方式中，前端开口部Da相当于本申请权利要求书中的“一端开口部”，后端壁部Db相当于本申请权利要求书中的“另一端壁部”。
另外，第二机箱D，在前端开口部Da的周围，具有用于与第一机箱C结合的前端结合部Dc。此外，第二机箱D，具有延伸到比后端壁部Db更后侧的大致圆锥筒状的延伸部Dd，并且具有将该延伸部Dd的端部形成为凸缘状而成的后端安装部De。该后端安装部De为，用于安装在车辆用驱动装置1后侧配置的未图示的转换装置的部分。
在第二机箱D的内壁上，在其前后方向(轴向)的中间部形成有台阶部Df。该台阶部Df的前侧形成为呈大致圆筒状的大直径部Dg，台阶部Df的后侧形成为比大直径部Dg直径小的大致圆筒状的小直径部Dh。另外，在本例中，小直径部Dh，以越靠后侧直径越小的方式形成为逐渐地缩小直径的阶梯圆筒状。在该小直径部Dh的径向的内侧且在后端壁部Db前侧的空间内容纳有变速机构3。并且，在比第二机箱D内的变速机构3更靠前侧固定有中间壁体9，该中间壁体9上设置有对作为变速机构3的输入轴的中间轴13进行支承的轴支承部9f。在此，中间壁体9，从前侧(大直径部Dg侧)抵接于后侧为小直径的台阶部Df的侧面上(朝向前侧的面)，并被固定。从而，变速机构3，容纳于第二机箱D的小直径部Dh的径向内侧，且后端壁部Db和中间壁体9之间的空间内。此时，变速机构3，其输出轴14支承于后端壁部Db的轴支承部Db1，输入轴(中间轴13)支承于中间壁体9的轴支承部9f。另外，在大直径部Dg的内壁上固定有第二电机/发电机MG2的定子S2。从而，第二电机/发电机MG2，配置于比第二机箱D内的中间壁体9更靠前侧。另外，对于第二电机/发电机MG2的定子S2的固定构造，以下用图3进行详细说明。
在此，变速机构3是比第二电机/发电机MG2更小的直径。从而，与此配合，第二机箱D，在比中间壁体9更靠后侧的小直径部Dh容纳变速机构3，且在比中间壁体9更靠前侧的大直径部Dg容纳第二电机/发电机MG2。并且，在此，第二机箱D的第二机箱主体D＇形成为，比中间壁体9更靠后侧即小直径部Dh的外径，与比中间壁体9更靠前侧的大直径部Dg的外径相比更小。
中间壁体9的构成为，具有：大致圆板状的主体部9a；从该主体部9a的径向中央部附近向前侧突出的凸台部9b；从主体部9a的径向中央部附近向后侧突出的圆筒部9c。主体部9a形成为具有与台阶部Df的前侧的大直径部Dg的内径大致同一外形的大致圆板状，且在外周部设置有螺栓插通孔9e。并且，主体部9a从前侧抵接于台阶部Df的侧面的状态下，从前侧插通到螺栓插通孔9e的作为止动件的螺栓Bt，与在台阶部Df形成的内螺纹部进行螺纹结合。由此，中间壁体9被固定于第二机箱D。另外，在主体部9a的内部，沿着其径向，形成有使由油压控制装置7供给的油通过的径向油槽9a1。凸台部9b，在内周侧嵌入有轴承，且轴承构成有支承中间轴13的轴支承部9f。在圆筒部9c的内部，沿着其轴向，形成有使由油压控制装置7供给的油通过的轴向油槽9c1。该轴向油槽9c1，与径向油槽9a1连接并连通。另外，也可以代替凸台部9b的轴承，而设置轴套等其他方式的轴承。
另外，图3为在本实施方式涉及的车辆用驱动装置1中的、与图1及图2不同剖面的主要部位的放大图，表示第二电机/发电机MG2的定子S2的固定构造。如图所示，在比第二机箱D的大直径部Dg的内壁中的台阶部Df更靠前侧，形成有定子固定用台阶部Dm。该定子固定用台阶部Dm，在圆周方向的多处，以部分地向径向外侧突出的方式形成，后侧为比前侧(前端开口部Da侧)小的直径。并且，第二电机/发电机MG2的定子S2，从前侧抵接于定子固定用台阶部Dm的侧面(朝向前侧的面)，并被固定。具体地说，在第二电机/发电机MG2的定子S2外周部中的多处，在部分地突出于径向外侧的部分设置有螺栓插通孔S2a。并且，定子S2的外周部从前侧抵接于定子固定用台阶部Dm的状态下，从前侧插通到螺栓插通孔S2a中的作为止动件的螺栓Bt，与在定子固定用台阶部Dm形成的内螺纹部进行螺纹结合。由此，定子S2被固定于第二机箱D。
对于如上构成的第二机箱D，以变速机构3、中间壁体9以及第二电机/发电机MG2这样的顺序，从第二机箱D的前端开口部Da插入来进行组装。此时，第二机箱D的内径，形成为越靠后侧直径越小，越靠前侧直径越大。从而，组装顺序为越靠后组装的部分第二机箱D的内径形成得越大，成为能够确保组装作业的容易性的构成。
4.油压控制装置7以及油盘8的构成
在第二机箱D的外壁的下侧安装有油盘8。并且，在由该油盘8和第二机箱D的外壁包围的油室10内配置有油压控制装置7。该油压控制装置7也被称为阀体，且具备多个电磁控制阀。并且，油压控制装置7，通过使各电磁控制阀动作，将连接车辆用驱动装置1的各部和油泵6的油槽进行连通或者阻断的控制。由此，油压控制装置7，将来自油泵6的压力油供给到第一电机/发电机MG1、第二电机/发电机MG2以及变速机构3等的各部，并进行冷却或润滑。另外由此，油压控制装置7，通过进行将来自油泵6的压力油进行供给或阻断的控制，来进行将由变速机构3的制动器或离合器构成的摩擦卡合机构进行卡合或解除卡合的动作控制。在此，油泵6配置于比第二电机/发电机MG2更靠前侧的第二机箱D内的下方侧。图示的油泵6，由通过发动机E的驱动力驱动的机械式的余摆线齿轮泵构成。并且，油泵6的从动齿轮6b被设置成，与和动力分配机构2的行星齿轮架2b一体转动的驱动齿轮2e咬合。另外，油泵6和油压控制装置7，通过在第二机箱D主体D＇的前端侧设置的油槽5a而连通。另外，虽然未图示，但为了在发动机E停止时，也可以将压力油供给到油压控制装置7，因此优选为具备电动油泵的构成。在中间壁体9的内部，如上所述，形成有与油压控制装置7连通的径向油槽9a1以及轴向油槽9c1。在此，如图2所示，径向油槽9a1，通过在第二机箱D的台阶部Df设置的油槽Di与油压控制装置7连通。并且，在与该径向油槽9a1连通的轴向油槽9c1上，设置有在径向内侧开口的开口油槽，并以将来自油压控制装置7的油供给到设置于沿圆筒部9c的径向内侧插通的中间轴13的油槽13a的方式构成。并且，从该中间轴13的油槽13a，向变速机构3或第二电机/发电机MG2等的各部供给油。另外，中间壁体9的径向油槽9a1以及轴向油槽9c1，分别设置有多个，并以分别向车辆用驱动装置1的各部供给油的方式构成。
油盘8安装在第二机箱D的外壁的下侧。为了安装该油盘8，在第二机箱D的外壁的下面，与油盘8的外周缘部8a的形状配合，来设置有与该外周缘部8a相对置地突出的框部Dj。在该框部Dj以一定的间隔设置有内螺纹部。另一方面，油盘8的外周缘部8a，形成为构成与框部Dj的下表面平行的面的凸缘状，且与框部Dj的内螺纹部的配置配合，来设置有可插通作为止动件的螺栓Bt的插通孔。并且，油盘8，以外周缘部8a通过油封以抵接于框部Dj的下面的状态，通过螺栓Bt被紧固在第二机箱D上。在此，油盘8，在前后方向具有从第二机箱D中的前端开口部Da的下方位置附近至后端壁部Db的下方位置附近为止的长度。由此，可有效地利用第二机箱D的前后方向(轴向)的长度，并充分确保油盘8的容量以及油压控制装置7的设置空间。
油压控制装置7，配置于由油盘8和第二机箱D的外壁以及框部Dj包围的油室10内。为了安装该油压控制装置7，在第二机箱D的大直径部Dg的外壁的下面形成有平坦部Dk。并且，油压控制装置7，相对于该平坦部Dk以从下侧抵接的状态通过螺栓等的止动件被固定并安装。在此，油压控制装置7，为具有上层部7a以及下层部7b的上下两层的构成。并且，下层部7b，具有比油盘8的前后方向长度略短的前后方向的长度，且其上面平坦地形成。该下层部7b的上面的前侧部分，与第二机箱D的平坦部Dk抵接而安装。上层部7a，以载置于下层部7b的上面的后侧部分的方式被固定。即，上层部7a，配置在第二机箱D的小直径部Dh的下侧的、比大直径部Dg的外径小的径向上后退的空间内。
(其他实施方式)
(1)在上述实施方式中，对车辆控制装置1为，作为电动机具备第一以及第二两个电机/发电机MG1、MG2的分离方式的混合动力车辆用驱动装置而构成的情况进行了说明。然而，本发明也同样可适用于作为串联方式或并联方式等分离方式以外的方式构成的混合动力车辆用驱动装置。另外，本发明也可以适用于电动汽车等，混合动力车辆以外的各种车辆用驱动装置。从而，本发明也可适用于例如只具备一个电动机的车辆用驱动装置。
(2)在上述的实施方式中，对变速机构3比第二电机/发电机MG2直径小，且比第二机箱主体D＇的中间壁体9更靠后侧的外径形成为，比中间壁体9更靠前侧的外径小的情况进行了说明。然而，本发明的适用范围并不局限于此。从而，例如，第二机箱D的第二机箱主体D＇的外形，在中间壁体9的前侧和后侧为几乎相同的构成，这种构成也是优选实施方式之一。该构成中，第二机箱D的轴向长度与现有的装置构成相比也进行了延长，因此能够充分地确保油盘8以及油压控制装置7的设置空间。
(3)在上述的实施方式中，对将中间壁体9抵接于第二机箱D内部的台阶部Df来进行固定的情况进行了说明。然而，中间壁体9的固定方法并不局限于此。即，如果能够将中间壁体9固定于第二机箱D内部的前后方向(轴向)的中间部，则也可以采用其他的固定方法。
(4)在上述的实施方式中，对中间壁体9的主体部9a形成为大致圆板状的情况进行了说明。然而，中间壁体9只要至少具备支承中间轴13的功能即可。从而，主体部9a例如也可以具有：如星形或十字形等那样，具有将变速机构3一侧与第二电机/发电机MG2一侧进行连通的开口部的形状等。
产业上的可利用性
本发明可适用于将变速机构和电动机容纳于机箱内而构成的各种车辆用驱动装置。

Claims (9)

1.一种车辆用驱动装置，构成为，将具有进行油压控制的摩擦卡合机构的变速机构和电动机容纳于机箱内，并且在上述机箱的外壁配置有控制向上述摩擦卡合机构供给的油压的油压控制装置，其特征在于，
上述机箱，在机箱主体的一端侧具有可插入述变速机构以及上述电动机的一端开口部，并且在上述机箱主体的另一端侧与上述机箱主体成为一体地具有另一端壁部，该另一端壁部设置有支承上述变速机构的输出轴的轴支承部。
2.根据权利要求1所述的车辆用驱动装置，其特征在于，
在比上述机箱内的上述变速机构更靠上述一端侧，固定有设置了对上述变速机构的输入轴进行支承的轴支承部的中间壁体，
在比上述机箱内的上述中间壁体更靠上述一端侧，配置有上述电动机。
3.根据权利要求2所述的车辆用驱动装置，其特征在于，上述变速机构的外径比上述电动机的外径小，与它们的外径相配合，上述机箱主体的形成为，比上述中间壁体更靠上述另一端侧的外径，与比上述中间壁体更靠上述一端侧的外径相比更小。
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，在上述机箱的内壁设置有上述另一端侧为小直径的台阶部，上述中间壁体从上述一端侧抵接于上述台阶部的侧面而被固定。
5.根据权利要求2至4的任意一项所述的车辆用驱动装置，其特征在于，在上述中间壁体的内部，形成有与上述油压控制装置连通的油槽。
6.根据权利要求1至5的任意一项所述的车辆用驱动装置，其特征在于，在上述机箱的内壁，设置有上述另一端侧为小直径的定子固定用台阶部，上述电动机的定子从上述一端侧抵接于上述定子固定用台阶部的侧面而被固定。
7.根据权利要求1至6的任意一项所述的车辆用驱动装置，其特征在于，在上述机箱的外壁下侧安装有油盘，该油盘具有从上述机箱中的上述一端开口部的下方位置附近至上述另一端壁部的下方位置附近为止的长度，在由该油盘和上述机箱的外壁包围的油室内配置有上述油压控制装置。
8.根据权利要求1至7的任意一项所述的车辆用驱动装置，其特征在于，比上述电动机更靠近上述一端侧设置油盘，并通过在上述机箱主体的一端侧设置的油槽，连通上述油盘和上述油压控制装置。
9.根据权利要求1至8的任意一项所述的车辆用驱动装置，其特征在于，将上述电动机作为第二电机/发电机，并进一步具备第一电机/发电机和动力分配机构，从车辆的发动机一侧朝向上述输出轴一侧，按照上述第一电机/发电机、上述动力分配机构、上述第二电机/发电机、上述变速机构的顺序配置而成。
CN2006800277535A 2006-03-23 2006-12-25 车辆用驱动装置 Expired - Fee Related CN101233006B (zh)

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CN105209279A (zh) * 2013-05-13 2015-12-30 丰田自动车株式会社 混合动力车辆用驱动装置
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CN102597578B (zh) * 2009-11-19 2015-02-18 爱信艾达株式会社 车辆用驱动装置
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CN105209279A (zh) * 2013-05-13 2015-12-30 丰田自动车株式会社 混合动力车辆用驱动装置
CN105209279B (zh) * 2013-05-13 2017-08-11 丰田自动车株式会社 混合动力车辆用驱动装置
CN110762188A (zh) * 2019-11-22 2020-02-07 南京高速齿轮制造有限公司 一种行星级机械泵结构及风电齿轮箱

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JP2007253791A (ja) 2007-10-04
CN101233006B (zh) 2011-06-08
DE112006002015T5 (de) 2008-06-26
US7727099B2 (en) 2010-06-01
DE112006002015B4 (de) 2016-03-17
WO2007108191A1 (ja) 2007-09-27
US20070265129A1 (en) 2007-11-15

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