CN112770925A - 混合动力车辆 - Google Patents

混合动力车辆 Download PDF

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CN112770925A
CN112770925A CN201880098175.7A CN201880098175A CN112770925A CN 112770925 A CN112770925 A CN 112770925A CN 201880098175 A CN201880098175 A CN 201880098175A CN 112770925 A CN112770925 A CN 112770925A
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gear
input
driving force
rotation axis
intermediate gear
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月崎敦史
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Nissan Motor Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • 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
    • B60K6/42—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
    • B60K6/442—Series-parallel switching 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
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • 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
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    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

Abstract

在从沿旋转轴线的方向观察时，中间齿轮(14)(第2齿轮(12a2)、内燃机最终减速齿轮(12b))的旋转轴线(P2)与将第1齿轮(12a1)的旋转轴线(P1)和环形齿轮(10a)的旋转轴线(P3)连结的直线(L)相比位于铅直方向上方。

Description

混合动力车辆
技术领域
本发明涉及一种混合动力车辆。
背景技术
在专利文献1中公开了能够对串联方式和并联方式进行切换而行驶的混合动力车辆。在该混合动力车辆中，用于实现并联方式的传递装置设置于内燃机与驱动轮之间。传递装置具有：输入齿轮，其与内燃机连接；输出齿轮，其与驱动轮连接；中间齿轮，其将输入齿轮与输出齿轮连接；以及离合器，其将内燃机以及输入齿轮之间的驱动力传递路径断开或者连接。
专利文献1：日本专利第5900023号公报
发明内容
在上述现有技术中的各齿轮的配置结构中，在驱动轮的旋转中始终旋转的中间齿轮配置于最下方而浸渍于润滑油积存部内，因此，存在搅拌阻力变大、燃料效率变差的课题。
本发明的目的在于提供一种能够提高燃料效率的混合动力车辆。
在本发明的混合动力车辆中，在将内燃机产生的驱动力向驱动轮传递的传递装置中，从沿所述各齿轮的旋转轴线的方向观察，中间齿轮的旋转轴线与将输入齿轮的旋转轴线和输出齿轮的旋转轴线连结的直线相比位于铅直方向上方。
发明的效果
由此，由于能够减少中间齿轮对润滑油的搅拌量，因此能够提高燃料效率。
附图说明
图1是表示实施方式1的混合动力车辆的驱动系统的概略图。
图2是实施方式1的从沿各齿轮的旋转轴线的方向观察的传递装置4和第2传递装置7的示意图。
图3是实施方式1的从铅直方向上方观察的传递装置4和第2传递装置7的示意图。
标号的说明
1 内燃机
2 发电用电机(发电机)
3 行驶用电机(电动机)
4 传递装置
6 驱动轮
7 发电用电机齿轮列(第2传递装置)
7a 第1齿轮(第2输入齿轮)
7b 第2齿轮(第2中间齿轮)
7c 第3齿轮(第2输出齿轮)
10a 环形齿轮(输出齿轮)
11 内燃机行驶用离合器(断开/连接装置)
12a1 第1齿轮(输入齿轮)
12a2 第2齿轮(中间齿轮)
12b 内燃机最终减速齿轮(中间齿轮)
13 壳体
14 中间齿轮
20 油冷却器
L 将输入齿轮的旋转轴线与输出齿轮的旋转轴线连结的直线
OL 润滑油积存部的油面
P1 输入齿轮的旋转轴线
P2 中间齿轮的旋转轴线
P3 输出齿轮的旋转轴线
P4 第2中间齿轮的旋转轴线
具体实施方式
〔实施方式1〕
图1是表示实施方式1的混合动力车辆的驱动系统的概略图。实施方式1的混合动力车辆具有内燃机1、发电用电机(发电机)2、行驶用电机(电动机)3、传递装置4、发电用电机齿轮列(第2传递装置)7、驱动轴(输出轴)5以及驱动轮6。
另外，如果将传递装置4与发电用电机齿轮列7的内燃机1侧作为一端(图示右侧)，将相反侧作为另一端(图示左侧)，则发电用电机2、行驶用电机3配置于另一端侧。
由此，在传递装置4与第2传递装置7被内燃机1、发电用电机2和行驶用电机3夹着而热环境严酷(难以散热)的环境下，能够抑制由润滑油搅拌引起的发热，抑制温度过度上升。
内燃机1的曲轴1a与输入轴1b连结。输入轴1b经由发电用电机齿轮列7与发电用电机2的电机轴2a连结。
发电用电机齿轮列7具有3个齿轮7a、7b、7c。第1齿轮(第2输入齿轮)7a与输入轴1b一体地旋转。第3齿轮(第2输出齿轮)7c与电机轴2a一体地旋转。第2齿轮(第2中间齿轮)7b分别与第1齿轮7a以及第3齿轮7c啮合。
行驶用电机3的电机轴3a经由电机行驶用离合器8与行驶用电机减速机构9连结。行驶用电机减速机构9具有行驶用电机齿轮列9a以及行驶用电机最终减速齿轮9b。
行驶用电机齿轮列9a具有相互啮合的2个齿轮9a1、9a2。第1齿轮9a1与电机行驶用离合器8中的联结要素的一方连结。联结要素的另一方与电机轴3a连结。第2齿轮9a2通过旋转轴9c与行驶用电机最终减速齿轮9b结合。行驶用电机最终减速齿轮9b与传递装置4中的差速器10的环形齿轮(输出齿轮)10a啮合。
电机行驶用离合器8通过断开而允许电机轴3a与第1齿轮9a1的相对旋转，通过联结而对电机轴3a与第1齿轮9a1的相对旋转进行限制。
传递装置4除了上述差速器10之外，还具有内燃机行驶用离合器(断开/连接装置)11以及内燃机行驶用齿轮组12。内燃机行驶用离合器11通过断开而允许输入轴1b与内燃机行驶用齿轮组12的第1齿轮(输入齿轮)12a1的相对旋转，通过联结而对输入轴1b与内燃机行驶用齿轮组12的第1齿轮12a1的相对旋转进行限制。
内燃机行驶用齿轮组12具有内燃机行驶用齿轮列12a以及内燃机最终减速齿轮(中间齿轮)12b。内燃机行驶用齿轮列12a具有相互啮合的2个第1齿轮12a1和第2齿轮(中间齿轮)12a2。第1齿轮12a1与内燃机行驶用离合器11中的联结要素的一方连结。联结要素的另一方与输入轴1b连结。第2齿轮12a2通过旋转轴12c与内燃机最终减速齿轮(中间齿轮)12b结合。
这里，由于第2齿轮12a2以及内燃机最终减速齿轮12b是通过旋转轴12c而连结的相同齿数的齿轮，因此可以看作是一个中间齿轮14。
内燃机最终减速齿轮12b与环形齿轮10a啮合。差速器10除了环形齿轮10a之外，还具有在内部具有动作机构部(未图示)的差速器壳体10b。动作机构部的左右侧齿轮与左右的驱动轴5结合。左右的驱动轴5与驱动轮6结合。
实施方式1的混合动力车辆通过使电机行驶用离合器8联结，另一方面使内燃机行驶用离合器11断开，从而进行仅使用行驶用电机3作为行驶用的动力源、使用内燃机1作为发电用的动力源的串联混合动力模式下的行驶。另外，通过使电机行驶用离合器8断开，另一方面使内燃机行驶用离合器11联结，从而进行仅使用内燃机1作为行驶用的动力源的内燃机直接连结模式下的行驶。此外，通过将两个离合器8、11联结在一起，还能够进行并联混合模式下的行驶。
图2是实施方式1的从沿各齿轮的旋转轴线的方向观察的传递装置4和第2传递装置7的示意图。图3是实施方式1的从铅直方向上方观察的传递装置4和第2传递装置7的示意图。
在壳体13中，除了传递装置4的结构要素(差速器10、内燃机行驶用离合器11以及内燃机行驶用齿轮组12)之外，还收容有发电用电机齿轮列7以及行驶用电机减速机构9。
发电用电机齿轮列7由从内燃机1被输入驱动力的第1齿轮(第2输入齿轮)7a、向发电用电机2输出驱动力的第3齿轮(第2输出齿轮)7c、和在第2输入齿轮7a与第2输出齿轮7c之间传递驱动力的第2齿轮(第2中间齿轮)7b构成。
差速器10的环形齿轮10a、发电用电机齿轮列7的第2齿轮7b以及第3齿轮7c配置于壳体13的铅直方向下部。
环形齿轮10a、第2齿轮7b、第3齿轮7c的铅直方向最下部与在壳体13内的铅直方向下部储存的润滑油积存部的油面OL相比位于下方。油面OL设定为环形齿轮10a、第2齿轮7b、第3齿轮7c的铅直方向最下部始终被浸渍的高度。
在从沿各齿轮的旋转轴线的方向观察时，中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的旋转轴线P2与将第1齿轮12a1的旋转轴线P1与环形齿轮10a的旋转轴线P3连结的直线L相比位于铅直方向上方。
另外，中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的旋转轴线P2与发电用电机齿轮列7的第2齿轮7b的旋转轴线P4相比位于铅直方向上方。
并且，中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直方向最下部与第1齿轮12a1、环形齿轮10a以及发电用电机齿轮列7的第1齿轮7a、第2齿轮7b、第3齿轮7c的铅直方向最下部相比位于铅直方向上方。
内燃机行驶用齿轮组12的第1齿轮12a1以及发电用电机齿轮列7的第1齿轮7a、中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)配置于与发电用电机齿轮列7的第2齿轮7b相比为上方的位置。
第1齿轮12a1、第1齿轮7a、中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直方向最下部与润滑油积存部的油面OL相比位于铅直方向上方，未浸渍于润滑油中。
此外，在图2中，在各齿轮的假想线内侧记载的箭头表示车辆前进时的旋转方向。
由此，即使准备通过停车中的内燃机1进行驱动了发电用电机2的发电而将润滑油量设定得多，第2齿轮7b容易浸渍于润滑油积存部，中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的旋转轴线P2与将第1齿轮12a1的旋转轴线P1和环形齿轮10a的旋转轴线P3连结的直线L相比也位于铅直方向上方，并且，中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的旋转轴线P2与发电用电机齿轮列7的第2齿轮7b的旋转轴线P4相比也位于铅直方向上方，并且，中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直方向最下部与发电用电机齿轮列7的第1齿轮7a、第2齿轮7b、第3齿轮7c的铅直方向最下部相比，也位于铅直方向上方且与润滑油积存部的油面OL相比位于铅直方向上方，未浸渍于润滑油中，因此，能够减少中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)对润滑油的搅拌量，能够改善燃料效率，降低发热量。
另外，在中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直下方，油冷却器20与中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)中的至少一部分重叠而配置。
该油冷却器20是被引入至润滑油积存部内的冷却水的配管。
该油冷却器20也能够在中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直下方的壳体13的壁中设置冷却水的水路。
由此，能够利用中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直下方的敞开的空间来配置油冷却器20，有效利用空间并且使润滑油的温度降低。
下面，说明实施方式1的作用效果。
(1)中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的旋转轴线P2与将第1齿轮12a1的旋转轴线P1和环形齿轮10a的旋转轴线P3连结的直线L相比位于铅直方向上方。
因此，能够减少中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)对润滑油的搅拌量，改善燃料效率，降低发热量。
(2)中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的旋转轴线P2与发电用电机齿轮列7的第2齿轮7b的旋转轴线P4相比位于铅直方向上方。
因此，能够减少中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)对润滑油的搅拌量，进一步改善燃料效率，降低发热量。
(3)中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直方向最下部与发电用电机齿轮列7的第2齿轮7b的铅直方向最下部相比位于铅直方向上方。
因此，能够减少中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)对润滑油的搅拌量，进一步改善燃料效率，降低发热量。
(4)如果将传递装置4与第2传递装置7的内燃机1侧作为一端，将相反侧作为另一端，则发电用电机(发电机)2、行驶用电机(电动机)3配置于另一端侧。
由此，在传递装置4与第2传递装置7被内燃机1、发电用电机(发电机)2、行驶用电机(电动机)3夹着而热环境严酷(难以散热)的环境下，能够抑制由润滑油搅拌引起的发热，抑制温度过度上升。
(5)在中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直下方，油冷却器20与中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的至少一部分重叠而配置。
由此，能够利用中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直下方的敞开的空间来配置油冷却器20，有效利用空间并且使润滑油的温度降低。
(6)中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直方向最下部与第1齿轮12a1、环形齿轮10a的铅直方向最下部相比位于铅直方向上方。
因此，能够减少中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)对润滑油的搅拌量，进一步改善燃料效率，降低发热量。
(7)中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直方向最下部与润滑油积存部的油面OL相比位于铅直方向上方。
因此，能够更可靠地减少中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)对润滑油的搅拌量，进一步改善燃料效率，降低发热量。
(8)中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)的铅直方向最下部与润滑油积存部的油面OL相比位于铅直方向上方，并且油面OL设定于第2齿轮7b的铅直方向最下部始终被浸渍的高度。
因此，即使准备停车中的发电而增加润滑油量，也能够更可靠地减少中间齿轮14(第2齿轮12a2、内燃机最终减速齿轮12b)对润滑油的搅拌量，进一步改善燃料效率，降低发热量。
(其他实施方式)
以上，基于实施方式对用于实施本发明的方式进行了说明，但本发明的具体结构并不限定于实施方式，即使有不脱离发明主旨的范围的设计变更等也包含在本发明中。

Claims (8)

1.一种混合动力车辆，其特征在于，具有：
内燃机；
发电机，其接受所述内燃机产生的驱动力而进行发电；
电动机，其接受所述发电机发出的电力的供给而对驱动轮进行驱动；以及
传递装置，其将所述内燃机产生的驱动力向所述驱动轮传递，该传递装置具有输入齿轮、输出齿轮、中间齿轮、壳体以及断开/连接装置，
所述输入齿轮被输入来自所述内燃机的驱动力，
所述输出齿轮向所述驱动轮输出驱动力，
所述中间齿轮在所述输入齿轮与所述输出齿轮之间传递驱动力，
所述壳体收容所述输入齿轮、所述输出齿轮以及所述中间齿轮，
所述断开/连接装置将向所述输入齿轮的驱动力的输入路径在断开与连接之间进行切换，
从沿所述各齿轮的旋转轴线的方向观察，所述中间齿轮的旋转轴线与将所述输入齿轮的旋转轴线和所述输出齿轮的旋转轴线连结的直线相比位于铅直方向上方。
2.根据权利要求1所述的混合动力车辆，其特征在于，
所述壳体收容具有第2输入齿轮、第2输出齿轮、第2中间齿轮的第2传递装置，
所述第2输入齿轮被输入来自所述内燃机的驱动力，
所述第2输出齿轮向所述发电机输出驱动力，
所述第2中间齿轮在所述第2输入齿轮与所述第2输出齿轮之间传递驱动力，
从沿所述各齿轮的旋转轴线的方向观察，所述中间齿轮的旋转轴线与所述第2中间齿轮的旋转轴线相比位于铅直方向上方。
3.根据权利要求1所述的混合动力车辆，其特征在于，
所述壳体具有第2传递装置，该第2传递装置具有第2输入齿轮、第2输出齿轮、第2中间齿轮，
所述第2输入齿轮被输入来自所述内燃机的驱动力，
所述第2输出齿轮向所述发电机输出驱动力，
所述第2中间齿轮在所述第2输入齿轮与所述第2输出齿轮之间传递驱动力，
从沿所述各齿轮的旋转轴线的方向观察，所述中间齿轮的铅直方向最下部与所述第2中间齿轮的铅直方向最下部相比，位于铅直方向上方。
4.根据权利要求1所述的混合动力车辆，其特征在于，
在将所述传递装置的所述内燃机侧作为一端、将相反侧作为另一端时，所述发电机与所述电动机配置于所述传递装置的另一端侧。
5.根据权利要求1至4中任一项所述的混合动力车辆，其特征在于，
在所述中间齿轮的铅直方向下方，具有以与所述中间齿轮的一部分重叠的方式配置的油冷却器。
6.根据权利要求1至5中任一项所述的混合动力车辆，其特征在于，
所述中间齿轮的铅直方向最下部与所述输入齿轮的铅直方向最下部和所述输出齿轮的铅直方向最下部的任一者相比，均位于铅直方向上方。
7.根据权利要求1至6中任一项所述的混合动力车辆，其特征在于，
所述中间齿轮的铅直方向最下部与所述壳体内的润滑油积存部的油面相比位于铅直方向上方。
8.根据权利要求2至3中任一项所述的混合动力车辆，其特征在于，
所述第2中间齿轮的铅直方向最下部浸渍于所述壳体内的润滑油积存部。
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CN104870228A (zh) * 2012-12-21 2015-08-26 日产自动车株式会社 混合动力车辆的驱动装置
JP6202256B2 (ja) * 2013-06-28 2017-09-27 三菱自動車工業株式会社 車両のトランスアクスル装置
JP2015020449A (ja) * 2013-07-16 2015-02-02 本田技研工業株式会社 駆動装置
JP2018024405A (ja) * 2016-08-12 2018-02-15 トヨタ自動車株式会社 ハイブリッド車両の潤滑装置
CN108327517A (zh) * 2017-01-17 2018-07-27 丰田自动车株式会社 混合动力车辆

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