JP2003336725A - Drive unit for hydraulic generating device - Google Patents
Drive unit for hydraulic generating deviceInfo
- Publication number
- JP2003336725A JP2003336725A JP2002145349A JP2002145349A JP2003336725A JP 2003336725 A JP2003336725 A JP 2003336725A JP 2002145349 A JP2002145349 A JP 2002145349A JP 2002145349 A JP2002145349 A JP 2002145349A JP 2003336725 A JP2003336725 A JP 2003336725A
- Authority
- JP
- Japan
- Prior art keywords
- planetary gear
- gear mechanism
- hydraulic pressure
- generator
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B60K6/383—One-way clutches or freewheel devices
-
- 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
- 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
-
- 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
- F16H61/0021—Generation or control of line pressure
- F16H61/0025—Supply of control fluid; Pumps therefore
- F16H61/0028—Supply of control fluid; Pumps therefore using a single pump driven by different power sources
-
- 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
-
- 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
- F16H57/0436—Pumps
- F16H57/0439—Pumps using multiple pumps with different power sources or a single pump with different power sources, e.g. one and the same pump may selectively be driven by either the engine or an electric motor
-
- 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
- F16H61/0021—Generation or control of line pressure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
- General Details Of Gearings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、回転装置の動力
により油圧発生装置を駆動するように構成された油圧発
生装置用の駆動装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive device for a hydraulic pressure generator, which is configured to drive the hydraulic pressure generator by the power of a rotating device.
【０００２】[0002]
【従来の技術】従来、車両の動力伝達装置などにおい
て、オイル必要部位にオイルを供給するために、回転装
置の動力により油圧発生装置を駆動し、油圧発生装置か
ら吐出されたオイルをオイル必要部位に供給する装置が
知られており、その一例が特開平１０−８９４４６号公
報に記載されている。この公報に記載された車両は、駆
動力源としてエンジンおよび第２のモータを有するハイ
ブリッド車である。エンジンおよび第２のモータは、そ
の回転軸線同士が同心状に配置されており、エンジンと
第２のモータとの間に遊星歯車機構が配置されている。2. Description of the Related Art Conventionally, in a power transmission device of a vehicle or the like, in order to supply oil to an oil-required portion, the oil pressure generator is driven by the power of a rotating device so that the oil discharged from the oil pressure generator is removed from the oil-required portion. Is known, and an example thereof is described in Japanese Patent Application Laid-Open No. 10-89446. The vehicle described in this publication is a hybrid vehicle having an engine and a second motor as a driving force source. The engine and the second motor are arranged such that their rotation axes are concentric with each other, and the planetary gear mechanism is arranged between the engine and the second motor.
【０００３】遊星歯車機構は、サンギヤおよびリングギ
ヤと、サンギヤおよびリングギヤに噛合されるピニオン
ギヤを保持したキャリヤとを有し、エンジンのクランク
シャフトがキャリヤに連結され、第２のモータの出力軸
がリングギヤに連結されている。また、遊星歯車機構と
エンジンとの間には、第１のモータが配置されており、
第１のモータと遊星歯車機構のサンギヤとが連結されて
いる。そして、第１のモータのトルクが遊星歯車機構を
経由してエンジンに伝達されて、エンジンがクランキン
グされるとともに、エンジンまたは第２のモータの少な
くとも一方のトルクが遊星歯車機構に伝達されて、その
トルクがリングリヤを経由して車輪に伝達される。The planetary gear mechanism has a sun gear and a ring gear, and a carrier that holds a pinion gear meshed with the sun gear and the ring gear. The crankshaft of the engine is connected to the carrier and the output shaft of the second motor is the ring gear. It is connected. Further, a first motor is arranged between the planetary gear mechanism and the engine,
The first motor and the sun gear of the planetary gear mechanism are connected. Then, the torque of the first motor is transmitted to the engine via the planetary gear mechanism, the engine is cranked, and the torque of at least one of the engine and the second motor is transmitted to the planetary gear mechanism, The torque is transmitted to the wheels via the ring rear.
【０００４】一方、動力伝達装置などのオイル必要部位
にオイルを供給する油圧発生装置が設けられている。こ
の油圧発生装置は、歯車ポンプにより構成されており、
エンジンのクランクシャフトに連結されたキャリヤ軸お
よび第２のモータの出力軸と、歯車ポンプのロータとが
選択手段により連結されている。選択手段は、キャリヤ
軸および第２のモータの出力軸に対応してそれぞれ設け
られたワンウェイクラッチを有し、キャリヤ軸または第
２のモータの出力軸のうち、回転数が高い方の動力によ
り油圧発生装置を駆動するように構成されている。On the other hand, a hydraulic pressure generator for supplying oil to an oil-required portion such as a power transmission device is provided. This hydraulic pressure generator is composed of a gear pump,
The carrier shaft connected to the crankshaft of the engine and the output shaft of the second motor are connected to the rotor of the gear pump by the selection means. The selecting means has one-way clutches respectively provided corresponding to the carrier shaft and the output shaft of the second motor, and hydraulic pressure is generated by the power of the carrier shaft or the output shaft of the second motor, which has a higher rotational speed. It is configured to drive the generator.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記の
公報においては、油圧発生装置と、油圧発生装置を駆動
する回転装置としてのエンジンおよび第２のモータと、
遊星歯車機構とが、共に同心状に配置されているため、
遊星歯車機構の回転軸線方向において、各システムの配
置スペース（全長）が長くなり、車載性が低下するとい
う問題があった。However, in the above publication, the hydraulic pressure generating device, the engine and the second motor as the rotating device for driving the hydraulic pressure generating device,
Since the planetary gear mechanism and the planetary gear mechanism are both arranged concentrically,
In the rotation axis direction of the planetary gear mechanism, there is a problem that the installation space (total length) of each system becomes long and the vehicle mountability deteriorates.
【０００６】この発明は上記の事情を背景としてなされ
たものであり、遊星歯車機構の回転軸線方向における部
品の配置スペースを可及的に短くすることのできる油圧
発生装置の駆動装置を提供することを目的としている。The present invention has been made in view of the above circumstances, and provides a drive device of a hydraulic pressure generating device capable of shortening a space for arranging parts in a rotation axis direction of a planetary gear mechanism as much as possible. It is an object.
【０００７】[0007]
【課題を解決するための手段およびその作用】上記の目
的を達成するために、請求項１の発明は、第１の回転装
置および第２の回転装置と、回転軸線を中心として回転
する３つの回転要素を有する遊星歯車機構とを備え、こ
の遊星歯車機構の第１の回転要素が前記第１の回転装置
に連結され、前記遊星歯車機構の第２の回転要素が第２
の回転装置に連結されているとともに、前記第１の回転
装置の動力または前記第２の回転装置の動力のうち、選
択された一方の動力により回転されて油圧を発生する油
圧発生装置を備えた油圧発生装置用の駆動装置におい
て、前記第２の回転装置と前記遊星歯車機構と、この遊
星歯車機構の第３の回転要素に連結された発電機とが同
一の回転軸線上に配置されているとともに、前記遊星歯
車機構と前記油圧発生装置とが、非同心状に配置されて
いることを特徴とするものである。この発明において、
同心状とは、同一の回転軸線を中心として回転するこ
と、または、回転軸線同士が同心状に配置されているこ
とを意味する。In order to achieve the above-mentioned object, the invention of claim 1 has a first rotating device and a second rotating device, and three rotating devices which rotate about an axis of rotation. A planetary gear mechanism having a rotating element, wherein a first rotating element of the planetary gear mechanism is connected to the first rotating device, and a second rotating element of the planetary gear mechanism is a second rotating element.
And a hydraulic pressure generator that is connected to the rotary device and that is rotated by one power selected from the power of the first rotary device and the power of the second rotary device to generate hydraulic pressure. In a drive device for a hydraulic pressure generator, the second rotating device, the planetary gear mechanism, and a generator connected to a third rotating element of the planetary gear mechanism are arranged on the same axis of rotation. In addition, the planetary gear mechanism and the hydraulic pressure generator are arranged non-concentrically. In this invention,
Concentric means rotating about the same rotation axis, or that the rotation axes are arranged concentrically.
【０００８】請求項２の発明は、請求項１の構成に加え
て、前記遊星歯車機構は、サンギヤと、このサンギヤと
同心状に配置されたリングギヤと、前記サンギヤおよび
リングギヤに噛合するピニオンギヤを保持するキャリヤ
とを備えているとともに、前記第１の回転要素がキャリ
ヤであり、前記第２の回転要素がリングギヤであること
を特徴とするものである。According to a second aspect of the present invention, in addition to the structure of the first aspect, the planetary gear mechanism holds a sun gear, a ring gear arranged concentrically with the sun gear, and the sun gear and a pinion gear meshing with the ring gear. And a carrier, and the first rotating element is a carrier, and the second rotating element is a ring gear.
【０００９】請求項１または２の発明によれば、回転軸
線方向における遊星歯車機構および油圧発生装置の配置
スペースが狭められる。According to the first or second aspect of the invention, the space for disposing the planetary gear mechanism and the hydraulic pressure generator in the direction of the rotation axis can be narrowed.
【００１０】請求項３の発明は、請求項１または２の構
成に加えて、前記第１の回転装置の動力または前記第２
の回転装置の動力のうち、いずれか一方の動力を選択
し、かつ、選択された動力により油圧発生装置を駆動す
る選択装置が設けられており、前記遊星歯車機構の回転
軸線方向で、この遊星歯車機構の配置領域と、前記選択
装置の配置領域とが重なっていることを特徴とするもの
である。According to a third aspect of the present invention, in addition to the structure of the first or second aspect, the power of the first rotary device or the second power source is used.
A selecting device is provided for selecting one of the powers of the rotating device and driving the hydraulic pressure generating device by the selected power. The selecting device is provided in the rotation axis direction of the planetary gear mechanism. The arrangement area of the gear mechanism and the arrangement area of the selection device are overlapped with each other.
【００１１】請求項３の発明によれば、請求項１または
２の発明と同様の作用が生じる他に、回転軸線方向にお
ける遊星歯車機構および選択装置の配置スペースが狭め
られる。According to the invention of claim 3, in addition to the same effect as the invention of claim 1 or 2, the space for disposing the planetary gear mechanism and the selecting device in the direction of the rotation axis is narrowed.
【００１２】請求項４の発明は、請求項１ないし３のい
ずれかの構成に加えて、前記第１の回転装置が車輪に動
力を伝達する第１の駆動力源としての機能を有し、前記
第２の回転装置が車輪に動力を伝達する第２の駆動力源
としての機能を有しているとともに、前記遊星歯車機構
のサンギヤに連結された発電機が設けられており、前記
回転軸線方向で、前記第２の回転装置と発電機との間
に、前記遊星歯車機構および油圧発生装置が配置されて
いることを特徴とするものである。According to a fourth aspect of the invention, in addition to the structure of any of the first to third aspects, the first rotating device has a function as a first driving force source for transmitting power to wheels. The second rotating device has a function as a second driving force source for transmitting power to the wheels, and a generator connected to the sun gear of the planetary gear mechanism is provided, and the rotation axis line is provided. In the direction, the planetary gear mechanism and the hydraulic pressure generator are arranged between the second rotating device and the generator.
【００１３】請求項４の発明によれば、請求項１ないし
３のいずれかの発明と同様の作用が生じる他に、第２の
回転装置と発電機との間の空間に、遊星歯車機構および
油圧発生装置が配置される。また、第２の回転装置およ
び発電機の外径よりも、遊星歯車機構の外径の方が小さ
い場合は、遊星歯車機構の外側に油圧発生装置を配置す
れば、第２の回転装置および発電機よりも外側に、油圧
発生装置が突出することが抑制される。According to the invention of claim 4, in addition to the same operation as the invention of any one of claims 1 to 3, a planetary gear mechanism and a planetary gear mechanism are provided in the space between the second rotating device and the generator. A hydraulic pressure generator is arranged. Further, when the outer diameter of the planetary gear mechanism is smaller than the outer diameters of the second rotating device and the generator, if the hydraulic pressure generating device is arranged outside the planetary gear mechanism, the second rotating device and the power generator can be generated. The hydraulic pressure generator is prevented from projecting outside the machine.
【００１４】請求項５の発明は、請求項４の構成に加え
て、前記第２の回転装置の出力を制御する変速機構が設
けられているとともに、前記回転軸線方向で、前記遊星
歯車機構および油圧発生装置と変速機構との間に、前記
第２の回転装置が配置されていることを特徴とするもの
である。According to a fifth aspect of the present invention, in addition to the structure of the fourth aspect, a speed change mechanism for controlling the output of the second rotating device is provided, and the planetary gear mechanism and the planetary gear mechanism are provided in the rotation axis direction. The second rotating device is arranged between the hydraulic pressure generating device and the speed change mechanism.
【００１５】請求項５の発明によれば、遊星歯車機構お
よび油圧発生装置と変速機構とが、回転軸線方向におい
て別々の位置に配置されるため、これらの干渉が回避さ
れる。According to the fifth aspect of the present invention, the planetary gear mechanism, the hydraulic pressure generating device, and the speed change mechanism are arranged at different positions in the direction of the rotation axis, so that these interferences are avoided.
【００１６】請求項６の発明は、請求項１ないし５のい
ずれかの構成に加えて、前記回転軸線を中心とする半径
方向において、前記第２の回転装置または前記発電機の
配置領域と、前記油圧発生装置の配置領域とが重なって
いることを特徴とするものである。According to a sixth aspect of the present invention, in addition to the structure of any of the first to fifth aspects, an arrangement region of the second rotating device or the generator is provided in a radial direction around the rotation axis. It is characterized in that the arrangement area of the hydraulic pressure generating device overlaps.
【００１７】請求項６の発明によれば、請求項１ないし
５のいずれかの発明と同様の作用が生じるほかに、回転
軸線を中心とする半径方向において、第２の回転装置ま
たは発電機よりも外側に、油圧発生装置が突出する量が
一層少なくなる。According to the invention of claim 6, in addition to the same operation as the invention of any one of claims 1 to 5, the second rotating device or the generator is used in the radial direction around the rotation axis. Also, the amount by which the hydraulic pressure generating device projects outward is further reduced.
【００１８】[0018]
【発明の実施の形態】つぎに、この発明を図面を参照し
ながら具体的に説明する。図１は、この発明の一実施例
であるＦ・Ｒ（フロントエンジン・リヤドライブ；エン
ジン前置き後輪駆動）形式のハイブリッド車両（以下、
車両と略記する）Ｖｅの概略構成図である。図１におい
て、車両Ｖｅは、エンジン１および電動モータ２を有し
ている。そして、エンジン１または電動モータ２のうち
の少なくとも一方の動力が、車輪３に伝達されるように
構成されている。BEST MODE FOR CARRYING OUT THE INVENTION Next, the present invention will be specifically described with reference to the drawings. FIG. 1 shows a hybrid vehicle of an FR (front engine / rear drive; front engine / rear wheel drive) type according to an embodiment of the present invention (hereinafter, referred to as
It is a schematic block diagram of Ve). In FIG. 1, the vehicle Ve has an engine 1 and an electric motor 2. The power of at least one of the engine 1 and the electric motor 2 is configured to be transmitted to the wheels 3.
【００１９】前記エンジン１としては内燃機関、具体的
にはガソリンエンジン、ディーゼルエンジン、ＬＰＧエ
ンジンなどを用いることができる。このエンジン１のク
ランクシャフト４は、車両Ｖｅの前後方向に配置された
回転軸線Ａ１を中心として回転可能である。クランクシ
ャフト４には、トルクリミッタ５、ダンパ機構６を介し
てインプットシャフト７が連結されている。また、車両
Ｖｅの前後方向において、エンジン１の後方にはケーシ
ング８が設けられており、ケーシング８の内部Ｂ１にイ
ンプットシャフト７が配置されている。As the engine 1, an internal combustion engine, specifically, a gasoline engine, a diesel engine, an LPG engine or the like can be used. The crankshaft 4 of the engine 1 is rotatable about a rotation axis A1 arranged in the front-rear direction of the vehicle Ve. An input shaft 7 is connected to the crankshaft 4 via a torque limiter 5 and a damper mechanism 6. Further, a casing 8 is provided behind the engine 1 in the front-rear direction of the vehicle Ve, and an input shaft 7 is arranged inside the casing B1.
【００２０】また、ケーシング８の内部Ｂ１には、前記
電動モータ２および発電機９が配置されている。なお、
この実施例では、電動モータ２および発電機９として、
電気エネルギを機械エネルギに変換する力行機能と、機
械エネルギを電気エネルギに変換する回生機能とを兼備
したモータ・ジェネレータが用いられている。すなわ
ち、蓄電装置（図示せず）の電力を電動モータ２または
発電機９の少なくとも一方に供給し、電動モータ２また
は発電機９のうちの少なくとも一方を電動機として駆動
することができる。これとは逆に、外力を与えて電動モ
ータ２または発電機９のうちの少なくとも一方を回転さ
せて発電し、その電力を蓄電装置に充電することもでき
る。The electric motor 2 and the generator 9 are arranged inside the casing B1. In addition,
In this embodiment, as the electric motor 2 and the generator 9,
A motor / generator having both a powering function of converting electric energy into mechanical energy and a regeneration function of converting mechanical energy into electric energy is used. That is, the electric power of the power storage device (not shown) can be supplied to at least one of the electric motor 2 and the generator 9 to drive at least one of the electric motor 2 and the generator 9 as an electric motor. On the contrary, an external force may be applied to rotate at least one of the electric motor 2 and the generator 9 to generate electric power, and the electric power may be charged to the power storage device.
【００２１】前記発電機９は、ステータ１０およびロー
タ１１と有しており、ステータ１０はケーシング８に固
定されている。ロータ１１はステータ１０の内側に配置
されており、ロータ１１には中空シャフト１２が連結さ
れている。このロータ１１と中空シャフト１２とが一体
回転可能に連結され、中空フャフト１２の内部にインプ
ットシャフト７が配置されている。インプットシャフト
７と中空シャフト１２とは相対回転可能である。さら
に、前記インプットシャフト７には回転軸線方向に延ば
された油路５４が形成され、かつ、油路５４から半径方
向に延ばされた油路５５が形成されている。The generator 9 has a stator 10 and a rotor 11, and the stator 10 is fixed to the casing 8. The rotor 11 is arranged inside the stator 10, and the hollow shaft 12 is connected to the rotor 11. The rotor 11 and the hollow shaft 12 are integrally rotatably connected to each other, and the input shaft 7 is arranged inside the hollow shaft 12. The input shaft 7 and the hollow shaft 12 can rotate relative to each other. Further, an oil passage 54 extending in the rotation axis direction is formed in the input shaft 7, and an oil passage 55 extending in the radial direction from the oil passage 54 is formed.
【００２２】さらに、ケーシング８の内面には、回転軸
線方向に所定間隔をおいて隔壁２４，２５が形成されて
いる。２つの隔壁２４，２５には軸孔が形成されてお
り、その軸孔内にインプットシャフト７が配置されてい
る。そして、ケーシング８の内部Ｂ１であって、隔壁２
４と隔壁２５との間に発電機収納室Ｃ１が形成され、発
電機収納室Ｃ１内に発電機９が配置されている。なお、
隔壁２４，２５に取り付けられた軸受２６により、中空
シャフト１２が保持されている。Further, partition walls 24, 25 are formed on the inner surface of the casing 8 at predetermined intervals in the direction of the rotation axis. A shaft hole is formed in the two partition walls 24, 25, and the input shaft 7 is arranged in the shaft hole. And, inside the casing 8, the partition wall 2
The generator storage chamber C1 is formed between the partition 4 and the partition wall 25, and the generator 9 is arranged in the generator storage chamber C1. In addition,
The hollow shaft 12 is held by bearings 26 attached to the partition walls 24 and 25.
【００２３】また、前記電動モータ２は、車両Ｖｅの前
後方向において、発電機９の後方に配置されている。電
動モータ２は、ステータ２０およびロータ２１を有して
いる。ステータ２０はケーシング８に固定され、ステー
タ２０の内側にロータ２１が配置されている。また、ロ
ータ２１と一体回転する中空シャフト２２が設けられて
いる。中空シャフト２２は中間シャフト２３の外周に相
対回転可能に取り付けられている。中空シャフト２２お
よび中間シャフト２３は回転軸線Ａ１を中心として相対
回転可能である。中間シャフト２３には回転軸線方向に
延ばされた油路５３が形成されており、油路５３から半
径方向に延ばされた油路５６が形成されている。また、
中空シャフト２２には半径方向に延ばされた油路５７が
形成されており、油路５６と油路５７とが連通されてい
る。The electric motor 2 is arranged behind the generator 9 in the front-back direction of the vehicle Ve. The electric motor 2 has a stator 20 and a rotor 21. The stator 20 is fixed to the casing 8, and the rotor 21 is arranged inside the stator 20. Further, a hollow shaft 22 that rotates integrally with the rotor 21 is provided. The hollow shaft 22 is attached to the outer periphery of the intermediate shaft 23 so as to be relatively rotatable. The hollow shaft 22 and the intermediate shaft 23 can relatively rotate about the rotation axis A1. An oil passage 53 extending in the rotation axis direction is formed in the intermediate shaft 23, and an oil passage 56 extending in the radial direction from the oil passage 53 is formed. Also,
An oil passage 57 extending in the radial direction is formed in the hollow shaft 22, and the oil passage 56 and the oil passage 57 are communicated with each other.
【００２４】一方、ケーシング８の内面であって、車両
Ｖｅの前後方向における隔壁２５よりも後方には、回転
軸線方向に所定間隔をおいて隔壁２７，２８が形成され
ている。２つの隔壁２７，２８には軸孔が形成されてお
り、その軸孔内に中間シャフト２３が配置されている。
そして、ケーシング８の内部Ｂ１であって、隔壁２７と
隔壁２８との間に電動モータ収納室Ｄ１が形成され、電
動モータ収納室Ｄ１内に電動モータ２が配置されてい
る。なお、隔壁２７，２８に取り付けられた軸受２９に
より、中空シャフト２２が保持されている。On the other hand, on the inner surface of the casing 8 and behind the partition wall 25 in the front-rear direction of the vehicle Ve, partition walls 27 and 28 are formed at predetermined intervals in the rotation axis direction. A shaft hole is formed in the two partition walls 27 and 28, and the intermediate shaft 23 is arranged in the shaft hole.
An electric motor storage chamber D1 is formed inside the casing 8 between the partition wall 27 and the partition wall 28, and the electric motor 2 is disposed in the electric motor storage chamber D1. The hollow shaft 22 is held by bearings 29 attached to the partition walls 27 and 28.
【００２５】さらに、車両Ｖｅの前後方向において、発
電機９と電動モータ２との間、具体的には、隔壁２５と
隔壁２７との間の空間Ｇ１には、動力分割機構としての
遊星歯車機構１３が設けられている。この遊星歯車機構
１３は、いわゆるシングルピニオン形式の遊星歯車機構
である。すなわち、遊星歯車機構１３は、中空シャフト
１２と一体回転するサンギヤ１４と、サンギヤ１４と同
心状に配置された環状体１５と、環状体１５の内周に形
成されたリングギヤ（インナーギヤ）１６と、サンギヤ
１４およびリングギヤ１６に噛合するピニオンギヤ１７
を保持したキャリヤ１８と、環状体１５の外周に形成さ
れたアウターギヤ１９とを有している。キャリヤ１８の
外周にはアウターギヤ３０が形成されている。なお、リ
ングギヤ１６を有する環状体１５の外径は、電動モータ
２および発電機９の外径よりも小さい。Further, in the front-rear direction of the vehicle Ve, a planetary gear mechanism as a power split mechanism is provided in the space G1 between the generator 9 and the electric motor 2, specifically, the partition wall 25 and the partition wall 27. 13 are provided. The planetary gear mechanism 13 is a so-called single pinion type planetary gear mechanism. That is, the planetary gear mechanism 13 includes a sun gear 14 that rotates integrally with the hollow shaft 12, an annular body 15 arranged concentrically with the sun gear 14, and a ring gear (inner gear) 16 formed on the inner periphery of the annular body 15. A pinion gear 17 that meshes with the sun gear 14 and the ring gear 16.
It has a carrier 18 holding the outer ring and an outer gear 19 formed on the outer periphery of the annular body 15. An outer gear 30 is formed on the outer periphery of the carrier 18. The outer diameter of the annular body 15 having the ring gear 16 is smaller than the outer diameters of the electric motor 2 and the generator 9.
【００２６】前記遊星歯車機構１３および電動モータ２
および発電機９は、同一の回転軸線Ａ１上に配置されて
いる。前記油路５５は、遊星歯車機構１３の内側に開口
している。なお、アウターギヤ３０の歯数とアウターギ
ヤ１９の歯数とは同一に設定されている。前記キャリヤ
１８とインプットシャフト７とが一体回転するように連
結されている。また、前記中間シャフト２３と環状体１
５とが一体回転するように連結されている。The planetary gear mechanism 13 and the electric motor 2
The generator 9 is arranged on the same rotation axis A1. The oil passage 55 opens inside the planetary gear mechanism 13. The number of teeth of the outer gear 30 and the number of teeth of the outer gear 19 are set to be the same. The carrier 18 and the input shaft 7 are connected so as to rotate integrally. In addition, the intermediate shaft 23 and the annular body 1
5 and 5 are connected so as to rotate integrally.
【００２７】一方、ケーシング８の内部Ｂ１であって、
回転軸線方向における電動モータ２と発電機９との間に
は、オイルポンプ３１が設けられている。具体的には、
回転軸線Ａ１を中心とする半径方向において、遊星歯車
機構１３の外側にオイルポンプ３１が配置されている。
このオイルポンプ３１は、隔壁２７に固定されたボデー
３２と、ボデー３２の内部に回転可能に配置されたロー
タ３３とを有している。ロータ３３には回転軸３４が連
結されている。ロータ３３および回転軸３４は、回転軸
線Ｅ１を中心として一体回転する。そして、回転軸線Ｅ
１と回転軸線Ａ１とは相互に平行に、かつ、非同心状に
配置されている。On the other hand, in the interior B1 of the casing 8,
An oil pump 31 is provided between the electric motor 2 and the generator 9 in the rotation axis direction. In particular,
An oil pump 31 is arranged outside the planetary gear mechanism 13 in the radial direction around the rotation axis A1.
The oil pump 31 has a body 32 fixed to the partition wall 27 and a rotor 33 rotatably arranged inside the body 32. A rotating shaft 34 is connected to the rotor 33. The rotor 33 and the rotary shaft 34 rotate integrally around the rotary axis E1. And the axis of rotation E
1 and the rotation axis A1 are arranged parallel to each other and non-concentrically.
【００２８】また、回転軸３４の外周には２つのギヤ３
５，３６が取り付けられている。ギヤ３５，３６も空間
Ｇ１内に設けられており、ギヤ３５の歯数とギヤ３５の
歯数とは同一に設定されている。なお、回転軸線Ａ１を
中心とする半径方向において、電動モータ２または発電
機９の配置領域の少なくとも一部と、オイルポンプ３１
の配置領域の少なくとも一部が重なっている。Two gears 3 are provided on the outer circumference of the rotary shaft 34.
5, 36 are attached. The gears 35 and 36 are also provided in the space G1, and the number of teeth of the gear 35 and the number of teeth of the gear 35 are set to be the same. It should be noted that, in the radial direction around the rotation axis A1, at least a part of the arrangement region of the electric motor 2 or the generator 9 and the oil pump 31.
At least a part of the arrangement area of is overlapped.
【００２９】このように、アウターギヤ３０とギヤ３５
との間の変速比と、アウターギヤ１９とギヤ３６との間
の変速比とが、同一に設定されている。そして、ギヤ３
５とアウターギヤ３０とが噛合され、ギヤ３６とアウタ
ーギヤ１９とが噛合されている。さらに、ギヤ３５と回
転軸３４とがワンウェイクラッチ３７により連結され、
ギヤ３６と回転軸３４とがワンウェイクラッチ３８によ
り連結されている。In this way, the outer gear 30 and the gear 35
And the gear ratio between the outer gear 19 and the gear 36 are set to be the same. And gear 3
5 and the outer gear 30 mesh with each other, and the gear 36 and the outer gear 19 mesh with each other. Further, the gear 35 and the rotary shaft 34 are connected by a one-way clutch 37,
The gear 36 and the rotary shaft 34 are connected by a one-way clutch 38.
【００３０】ここで、回転軸３４とギヤ３５，３６とが
一体回転する向き、および回転軸３４とギヤ３５，３６
とが相対回転する向きが共に同じとなるように、ワンウ
ェイクラッチ３７，３８の回転規制方法および回転許容
方向が同じに設定されている。上記構成により、アウタ
ーギヤ１９またはアウターギヤ３０のうち、回転数が高
い方のギヤの動力が回転軸３４に伝達されて、その回転
軸３４に伝達される動力によりオイルポンプ３１が駆動
される。また、回転軸線Ａ１方向において、ギヤ３５，
３６およびワンウェイクラッチ３７，３８の配置領域の
少なくとも一部と、遊星歯車機構１３の配置領域の少な
くとも一部とが重なっている。Here, the direction in which the rotating shaft 34 and the gears 35 and 36 rotate integrally, and the rotating shaft 34 and the gears 35 and 36.
The one-way clutches 37 and 38 are set to have the same rotation restricting method and the same rotation permissible direction so that the directions of relative rotation of and are the same. With the above configuration, the power of the gear with the higher rotation speed of the outer gear 19 or the outer gear 30 is transmitted to the rotating shaft 34, and the oil pump 31 is driven by the power transmitted to the rotating shaft 34. Further, in the direction of the rotation axis A1, the gear 35,
At least a part of the arrangement area of the 36 and the one-way clutches 37, 38 and at least a part of the arrangement area of the planetary gear mechanism 13 overlap.
【００３１】一方、オイルポンプ３１の吸い込み口３９
は、オイルパン（図示せず）に接続されている。また、
オイルポンプ３１の吐出口から吐出されるオイルの一部
が流れるオイル供給管４０が、ケーシング８の内部に設
けられている。オイル供給管４０には分岐部４１を介し
て２つの副供給管４２，４３が接続されている。副供給
管４２の開口部は発電機収納室Ｃ１に配置され、副供給
管４３の開口部は電動モータ収納室Ｄ１に配置されてい
る。なお、オイルポンプ３１から吐出されたオイルは、
油路５３，５４にも供給されるように構成されている。On the other hand, the suction port 39 of the oil pump 31
Is connected to an oil pan (not shown). Also,
An oil supply pipe 40 through which a part of the oil discharged from the discharge port of the oil pump 31 flows is provided inside the casing 8. Two auxiliary supply pipes 42 and 43 are connected to the oil supply pipe 40 via a branch portion 41. The opening of the auxiliary supply pipe 42 is arranged in the generator storage chamber C1, and the opening of the auxiliary supply pipe 43 is arranged in the electric motor storage chamber D1. The oil discharged from the oil pump 31 is
The oil passages 53 and 54 are also supplied.
【００３２】さらにケーシング８の内部Ｂ１であって、
車両Ｖｅの前後方向で隔壁２８よりも後方の空間Ｆ１に
は、リダクション機構４４が設けられている。このリダ
クション機構４４は、いわゆるシングルピニオン形式の
遊星歯車機構により構成されている。すなわち、リダク
ション機構４４は、中空シャフト２２と一体回転するサ
ンギヤ４５と、サンギヤ４５と同心状に配置されたリン
グギヤ４６と、サンギヤ４５およびリングギヤ４６に噛
合するピニオンギヤ４７を保持したキャリヤ４８とを有
している。このキャリヤ４８はケーシング８に固定され
ている。また、前記油路５７は空間Ｆ１に開口してい
る。上記のように構成されたオイルポンプ３１、オイル
供給管４０、副供給管４２，４３、油路５３，５４，５
５，５６，５７などにより、潤滑装置が構成されてい
る。Further, in the inside B1 of the casing 8,
A reduction mechanism 44 is provided in the space F1 behind the partition 28 in the front-rear direction of the vehicle Ve. The reduction mechanism 44 is composed of a so-called single pinion type planetary gear mechanism. That is, the reduction mechanism 44 includes a sun gear 45 that rotates integrally with the hollow shaft 22, a ring gear 46 that is arranged concentrically with the sun gear 45, and a carrier 48 that holds the sun gear 45 and a pinion gear 47 that meshes with the ring gear 46. ing. The carrier 48 is fixed to the casing 8. The oil passage 57 is open to the space F1. The oil pump 31, the oil supply pipe 40, the auxiliary supply pipes 42 and 43, and the oil passages 53, 54 and 5 configured as described above.
A lubricating device is constituted by 5, 56, 57 and the like.
【００３３】さらに、ケーシング８の内部Ｂ１の空間Ｆ
１から、ケーシング８の外部に亘って、アウトプットシ
ャフト４９が設けられている。ケーシング８の軸孔には
軸受５０が取り付けられており、アウトプットシャフト
４９は軸受５０により保持されている。したがって、ア
ウトプットシャフト４９は回転軸線Ａ１を中心として回
転可能である。また、アウトプットシャフト４９と中間
シャフト２３とが一体回転するように連結され、アウト
プットシャフト４９とリングギヤ４６とが一体回転する
ように連結されている。なお、アウトプットシャフト４
９にはパーキングギヤ５１が取り付けられており、ケー
シング８の内部Ｂ１にはパーキングギヤ５１に係合・離
脱してアウトプットシャフト４９の回転を防止・許容す
るパーキング機構（図示せず）が設けられている。Further, the space F in the interior B1 of the casing 8
An output shaft 49 is provided from 1 to the outside of the casing 8. A bearing 50 is attached to the shaft hole of the casing 8, and the output shaft 49 is held by the bearing 50. Therefore, the output shaft 49 can rotate about the rotation axis A1. Further, the output shaft 49 and the intermediate shaft 23 are connected so as to rotate integrally, and the output shaft 49 and the ring gear 46 are connected so as to rotate integrally. Output shaft 4
9, a parking gear 51 is attached, and a parking mechanism (not shown) is provided in the inside B1 of the casing 8 to prevent / allow rotation of the output shaft 49 by engaging / disengaging the parking gear 51. There is.
【００３４】つぎに、車両Ｖｅの制御について説明す
る。まず、車両Ｖｅが停止している際にエンジン１を始
動する場合は、蓄電装置（図示せず）から発電機９に電
力を供給して、発電機９を電動機として駆動させる。そ
して、発電機９のトルクが、サンギヤ１４に伝達される
と、リングギヤ１９が反力要素となり、キャリヤ１８が
回転する。このキャリヤ１８のトルクは、インプットシ
ャフト７を経由してクランクシャフト４に伝達される。Next, the control of the vehicle Ve will be described. First, when the engine 1 is started when the vehicle Ve is stopped, electric power is supplied from a power storage device (not shown) to the generator 9 to drive the generator 9 as an electric motor. When the torque of the generator 9 is transmitted to the sun gear 14, the ring gear 19 becomes a reaction force element and the carrier 18 rotates. The torque of the carrier 18 is transmitted to the crankshaft 4 via the input shaft 7.
【００３５】このようにして、エンジン１がクランキン
グされるとともに、エンジン１がガソリンエンジンであ
れば、燃料噴射制御および点火制御がおこなわれて、エ
ンジン１が自律回転する。このエンジン１のトルクは、
クランクシャフト４、インプットシャフト７、キャリヤ
１８を介して環状体１５に伝達される。環状体１５のト
ルクは、中間シャフト２３、アウトプットシャフト４９
を経由して車輪３に伝達される。なお、エンジン１の回
転時には、エンジン１の動力の一部を遊星歯車機構１３
を経由して発電機９に伝達し、発電機９で発電された電
力を蓄電装置に充電することもできる。つまり、遊星歯
車機構１３は、エンジン１の動力を車輪３と発電機９と
に分割する、いわゆる動力分割機構としての機能を備え
ている。In this way, the engine 1 is cranked, and if the engine 1 is a gasoline engine, fuel injection control and ignition control are performed, and the engine 1 rotates autonomously. The torque of this engine 1 is
It is transmitted to the annular body 15 via the crankshaft 4, the input shaft 7, and the carrier 18. The torque of the annular body 15 is determined by the intermediate shaft 23 and the output shaft 49.
Is transmitted to the wheels 3 via. It should be noted that when the engine 1 is rotating, a part of the power of the engine 1 is supplied to the planetary gear mechanism 13
It is also possible to transfer the electric power generated by the generator 9 to the power storage device by transmitting the electric power to the power storage device. That is, the planetary gear mechanism 13 has a function as a so-called power split mechanism that splits the power of the engine 1 into the wheels 3 and the generator 9.
【００３６】また、蓄電装置の電力が電動モータ２に供
給されて、電動モータ２が駆動されると、そのトルクが
中空シャフト２２、サンギヤ４５、ピニオンギヤ４７、
サンギヤ４６を経由してアウトプットシャフト４９に伝
達される。この場合、リダクション機構４４のキャリヤ
４８が反力要素となり、電動モータ２の回転方向とが逆
方向にリングギヤ４６が回転する。さらに、電動モータ
２の回転速度に対して、アウトプットシャフト４９の回
転速度は減速される。When the electric power of the power storage device is supplied to the electric motor 2 and the electric motor 2 is driven, the torque of the electric motor 2 is driven by the hollow shaft 22, the sun gear 45, the pinion gear 47,
It is transmitted to the output shaft 49 via the sun gear 46. In this case, the carrier 48 of the reduction mechanism 44 serves as a reaction force element, and the ring gear 46 rotates in the direction opposite to the rotation direction of the electric motor 2. Further, the rotation speed of the output shaft 49 is reduced with respect to the rotation speed of the electric motor 2.
【００３７】このように、車両Ｖｅにおいては、エンジ
ン１または電動モータ２のうち、少なくとも一方の動力
を車輪３に伝達することができる。そして、エンジン１
および電動モータ２の動力は、アウトプットシャフト４
９で合成されて、合成された動力が車輪３に伝達され
る。Thus, in the vehicle Ve, the power of at least one of the engine 1 and the electric motor 2 can be transmitted to the wheels 3. And engine 1
And power of the electric motor 2 is generated by the output shaft 4
The combined motive power is transmitted to the wheels 3 by being combined in 9.
【００３８】これに対して、車両Ｖｅが惰力走行する場
合は、車輪３の回転エネルギを電動モータ２または発電
機９のうちの少なくとも一方に伝達し、電動モータ２ま
たは発電機９の少なくとも一方を発電機として機能さ
せ、発生した電力を蓄電装置に充電することもできる。On the other hand, when the vehicle Ve coasts, the rotational energy of the wheels 3 is transmitted to at least one of the electric motor 2 and the generator 9, and at least one of the electric motor 2 and the generator 9 is transmitted. Can also function as a generator to charge the power storage device with the generated power.
【００３９】そして、この実施例によれば、遊星歯車機
構１３の回転軸線Ａ１と、オイルポンプ３１の回転軸線
Ｅ１とが非同心状に配置されている。したがって、回転
軸線Ａ１方向において、遊星歯車機構１３およびオイル
ポンプ３１の配置スペースを狭くすることができ、車両
Ｖｅの前後方向におけるケーシング８の全長が短くな
り、車載性が向上する。According to this embodiment, the rotation axis A1 of the planetary gear mechanism 13 and the rotation axis E1 of the oil pump 31 are arranged non-concentrically. Therefore, the space for disposing the planetary gear mechanism 13 and the oil pump 31 in the direction of the rotation axis A1 can be narrowed, the overall length of the casing 8 in the front-rear direction of the vehicle Ve is shortened, and the vehicle mountability is improved.
【００４０】また、この実施例においては、遊星歯車機
構１３の回転軸線Ａ１方向において、遊星歯車機構１３
の配置領域と、ギヤ３５，３６およびワンウェイクラッ
チ３７，３８の配置領域とが、少なくとも一部で重なっ
ている。したがって、車両Ｖｅの前後方向において、遊
星歯車機構１３およびギヤ３５，３６およびワンウェイ
クラッチ３７，３８の配置スペースが狭められ、車載性
が一層向上する。Further, in this embodiment, the planetary gear mechanism 13 is arranged in the direction of the rotation axis A1 of the planetary gear mechanism 13.
The arrangement area of ∘ and the arrangement areas of the gears 35 and 36 and the one-way clutches 37 and 38 at least partially overlap each other. Therefore, the space for disposing the planetary gear mechanism 13, the gears 35 and 36, and the one-way clutches 37 and 38 is narrowed in the front-rear direction of the vehicle Ve, and the vehicle mountability is further improved.
【００４１】さらにこの実施例によれば、発電機９と電
動モータ２との間にある空間Ｇ１に、遊星歯車機構１３
およびオイルポンプ３１を配置している。したがって、
オイルポンプ３１を配置する専用の空間を確保する必要
がなく、車載性が一層向上する。特に、発電機９または
電動モータ２の外径よりも、遊星歯車機構１３の外径の
方が小さく設定され、遊星歯車機構１３の外側にオイル
ポンプ１３が配置されているため、発電機９または電動
モータ２の外側に向けてオイルポンプ１３の突出する量
が抑制され、車載性が一層向上する。さらにこの実施例
によれば、遊星歯車機構１３およびオイルポンプ３１と
リダクション機構４４とが、回転軸線Ａ１方向において
別々の位置に配置されるため、これらの干渉が回避され
る。Furthermore, according to this embodiment, the planetary gear mechanism 13 is provided in the space G1 between the generator 9 and the electric motor 2.
And the oil pump 31 is arranged. Therefore,
Since it is not necessary to secure a dedicated space for arranging the oil pump 31, the vehicle mountability is further improved. In particular, since the outer diameter of the planetary gear mechanism 13 is set smaller than the outer diameter of the generator 9 or the electric motor 2 and the oil pump 13 is arranged outside the planetary gear mechanism 13, the generator 9 or The protruding amount of the oil pump 13 toward the outside of the electric motor 2 is suppressed, and the vehicle mountability is further improved. Further, according to this embodiment, the planetary gear mechanism 13 and the oil pump 31 and the reduction mechanism 44 are arranged at different positions in the direction of the rotation axis A1, so that these interferences are avoided.
【００４２】ここで、オイルポンプ３１の駆動による潤
滑機能および冷却機能について説明する。まず、エンジ
ン１が駆動されている場合について説明する。エンジン
１の動力がキャリヤ１８に伝達されると、そのトルクの
一部がギヤ３５に伝達されるとともに、ワンウェイクラ
ッチ３７が係合されて、ギヤ３５のトルクが回転軸３４
を経由してオイルポンプ３１に伝達される。このように
してオイルポンプ３１が駆動されて、オイルパンのオイ
ルが汲み上げられる。Here, the lubrication function and the cooling function by driving the oil pump 31 will be described. First, the case where the engine 1 is driven will be described. When the power of the engine 1 is transmitted to the carrier 18, a part of the torque is transmitted to the gear 35, the one-way clutch 37 is engaged, and the torque of the gear 35 is transmitted to the rotating shaft 34.
Is transmitted to the oil pump 31 via. In this way, the oil pump 31 is driven and the oil in the oil pan is pumped up.
【００４３】そして、オイルポンプ３１から吐出された
オイルが、オイル供給管４０および副供給管４２，４３
を経由して、発電機収納室Ｃ１および電動モータ収納室
Ｄ１に供給される。電動モータ収納室Ｄ１に供給された
オイルは、油路５２を経由して空間Ｆ１に供給されて、
リダクション機構４４がオイルにより潤滑および冷却さ
れる。また、オイル供給管４０のオイルの一部は、遊星
歯車機構１３に供給される。したがって、車両Ｖｅが停
止している場合でも、エンジン１が運転されていれば、
そのエンジン１の動力によりオイルポンプ３１を駆動し
て、発熱部位、摩耗部位、摺動部位などを有するオイル
必要部位に、オイルが供給され、オイル必要部位を強制
的に潤滑および冷却できる。この実施例では、発電機収
納室Ｃ１、空間Ｇ１，Ｆ１、電動モータ収納室Ｄ１など
が、オイル必要部に相当する。The oil discharged from the oil pump 31 is transferred to the oil supply pipe 40 and the auxiliary supply pipes 42 and 43.
Is supplied to the generator storage chamber C1 and the electric motor storage chamber D1 via the. The oil supplied to the electric motor storage chamber D1 is supplied to the space F1 via the oil passage 52,
The reduction mechanism 44 is lubricated and cooled by oil. Further, a part of the oil in the oil supply pipe 40 is supplied to the planetary gear mechanism 13. Therefore, if the engine 1 is operating even when the vehicle Ve is stopped,
The power of the engine 1 drives the oil pump 31 to supply oil to the oil-required portions having a heat-generating portion, a worn portion, a sliding portion, etc., so that the oil-required portions can be forcibly lubricated and cooled. In this embodiment, the generator storage chamber C1, the spaces G1 and F1, the electric motor storage chamber D1 and the like correspond to the oil required portion.
【００４４】つぎに、エンジン１が停止され、かつ、電
動モータ２が駆動されて、電動モータ２のトルクが車輪
３に伝達されるモード、つまり、電動モータ２による走
行モードが選択された場合について説明する。この場合
は、電動モータ２の動力が、アウトプットシャフト４９
および中間シャフト２３を経由して、アウタギヤ１９お
よびギヤ３６に伝達される。すると、ワンウェイクラッ
チ３８が係合されて、ギヤ３６のトルクが回転軸３４を
経由してオイルポンプ３１に伝達される。したがって、
前述と同様にして、オイルポンプ３１のオイルによりオ
イル必要部位にオイルを供給できる。Next, a case where the engine 1 is stopped, the electric motor 2 is driven, and the torque of the electric motor 2 is transmitted to the wheels 3, that is, the traveling mode by the electric motor 2 is selected. explain. In this case, the power of the electric motor 2 is the output shaft 49.
And is transmitted to the outer gear 19 and the gear 36 via the intermediate shaft 23. Then, the one-way clutch 38 is engaged, and the torque of the gear 36 is transmitted to the oil pump 31 via the rotary shaft 34. Therefore,
In the same manner as described above, the oil of the oil pump 31 can supply the oil to the oil required portion.
【００４５】さらに、エンジン１および電動モータ２が
共に駆動されている場合は、ギヤ３５またはギヤ３６の
うち、回転数の高い方のギヤに対応するワンウェイクラ
ッチが係合され、回転数が低い方のギヤに対応するワン
ウェイクラッチが解放される。そして、回転数が高い方
のギヤのトルクが回転軸３４に伝達されて、オイルポン
プ３１が駆動される。言い換えれば、エンジン１の動力
または電動モータの動力のうち、いずれか一方の動力が
選択されて、選択された動力によりオイルポンプ３１が
駆動される。Further, when the engine 1 and the electric motor 2 are both driven, the one-way clutch corresponding to the gear having the higher rotation speed of the gear 35 or the gear 36 is engaged and the one having the lower rotation speed is engaged. The one-way clutch corresponding to the gear is released. Then, the torque of the gear having the higher rotation speed is transmitted to the rotating shaft 34, and the oil pump 31 is driven. In other words, either one of the power of the engine 1 and the power of the electric motor is selected, and the oil pump 31 is driven by the selected power.
【００４６】つまり、エンジン１および電動モータ２と
いう２つの動力源に対する潤滑機能を、１つのオイルポ
ンプ３１で実施することができる。したがって、潤滑装
置の部品点数の増加を抑制でき、製造コストの低減、ユ
ニットのコンパクト化、質量の低減を図ることができ
る。また、エンジン１および電動モータ２が共に駆動さ
れる場合でも、一方の動力のみでオイルポンプ３１が駆
動されるため、オイルポンプ３１からオイルが必要以上
に吐出されることを防止できる。したがって、潤滑装置
ユニットの効率向上に貢献できるとともに、エンジン１
の動力が無駄になることもなく、燃費を向上することも
できる。That is, the lubrication function for the two power sources of the engine 1 and the electric motor 2 can be performed by one oil pump 31. Therefore, it is possible to suppress an increase in the number of parts of the lubrication device, reduce the manufacturing cost, make the unit compact, and reduce the mass. Further, even when both the engine 1 and the electric motor 2 are driven, the oil pump 31 is driven by only one power, so that it is possible to prevent the oil from being discharged from the oil pump 31 more than necessary. Therefore, the efficiency of the lubrication device unit can be improved and the engine 1
It is possible to improve fuel efficiency without wasting power.
【００４７】また、エンジン１または電動モータ２のう
ち、いずれの動力によりオイルポンプ３１を駆動するか
の選択が、ワンウェイクラッチ３７，３８の機能によ
り、機械的におこなわれる。このため、エンジン１また
は電動モータ２のうち、いずれの動力によりオイルポン
プ３１を駆動するかの選択をおこなうために、電気的な
制御システムを設ける必要がない。また、ギヤ３５また
はギヤ３６のうち、回転数が高い方のギヤで伝達される
動力により、オイルポンプ３１が駆動される。うまり、
焼き付く可能性が高い方の回転部材により伝達される動
力でオイルポンプ３１が駆動される。したがって、オイ
ルポンプ３１の吐出量を、回転数が高い方の回転部材の
回転数に見合ったものとすることができる。The power of the engine 1 or the electric motor 2 to drive the oil pump 31 is mechanically selected by the functions of the one-way clutches 37 and 38. Therefore, it is not necessary to provide an electrical control system in order to select which power of the engine 1 and the electric motor 2 should drive the oil pump 31. The oil pump 31 is driven by the power transmitted by the gear having the higher rotation speed, of the gears 35 and 36. Umari,
The oil pump 31 is driven by the power transmitted by the rotating member that is more likely to burn. Therefore, the discharge amount of the oil pump 31 can be made to correspond to the rotation speed of the rotating member having the higher rotation speed.
【００４８】さらに、図１に示すようなパワートレーン
を有するＦＲ車両においては、車輪に動力を伝達するた
めの回転部材が、同一の回転軸線Ａ１上に配置されてい
る。このため、ＦＦ車両のように、インプットシャフト
とは異なる回転軸線上に配置されている回転部材（カウ
ンタギヤ、デファレンシャルのリングギヤなど）により
掻き上げられるオイルを、インプットシャフト側のオイ
ル必要部に供給することはできないが、この実施例にお
いては、このような不都合を回避できる。特に、電動モ
ータ２の動力により車両Ｖｅが走行する場合に、潤滑に
必要なオイルを確保することができる。Further, in an FR vehicle having a power train as shown in FIG. 1, rotating members for transmitting power to wheels are arranged on the same rotation axis A1. Therefore, like an FF vehicle, oil scraped up by a rotating member (counter gear, differential ring gear, etc.) arranged on a rotation axis different from the input shaft is supplied to the oil required portion on the input shaft side. However, such an inconvenience can be avoided in this embodiment. In particular, when the vehicle Ve travels by the power of the electric motor 2, it is possible to secure the oil necessary for lubrication.
【００４９】さらに、この実施例においては、ワンウェ
イクラッチ３７，３８を、オイルポンプ３１のロータ３
３の内側に設けることなく、ワンウェイクラッチ３７，
３８と、ロータ３３とが同じ回転軸線Ｅ１上に配置され
ている。したがって、オイルポンプ３１のオイル吐出機
能が、ワンウェイクラッチ３７，３８により制約を受け
ることなく、オイルポンプ３１の構造の自由度が高ま
る。その結果、必要以上の吐出量を持つオイルポンプを
構成する必要がなく、潤滑装置ユニットの効率向上に貢
献できる。Further, in this embodiment, the one-way clutches 37 and 38 are connected to the rotor 3 of the oil pump 31.
One-way clutch 37, without being provided inside 3,
38 and the rotor 33 are arranged on the same rotation axis E1. Therefore, the oil discharge function of the oil pump 31 is not restricted by the one-way clutches 37, 38, and the degree of freedom in the structure of the oil pump 31 is increased. As a result, it is not necessary to construct an oil pump having a discharge amount more than necessary, which can contribute to improving the efficiency of the lubricating device unit.
【００５０】さらに、エンジン１を停止し、かつ、電動
モータ２のトルクを、アウトプットシャフト４９を経由
して車輪３に伝達する際には、アウトプットシャフト４
９と共に中間シャフト２３も回転する。中間シャフト２
３が回転すると、環状部材１５も回転するが、サンギヤ
１４とピニオンギヤ１７との噛み合い部分、リングギヤ
１６とピニオンギヤ１７との噛み合い部分における噛み
合い抵抗（言い換えれば負荷）は少ない。したがって、
動力分割機構１３で焼き付きや摩耗が発生する可能性は
低い。Further, when the engine 1 is stopped and the torque of the electric motor 2 is transmitted to the wheels 3 via the output shaft 49, the output shaft 4
The intermediate shaft 23 also rotates together with 9. Intermediate shaft 2
When 3 rotates, the annular member 15 also rotates, but the meshing resistance (in other words, the load) at the meshing portion between the sun gear 14 and the pinion gear 17 and the meshing portion between the ring gear 16 and the pinion gear 17 is small. Therefore,
It is unlikely that seizure or wear will occur in the power split mechanism 13.
【００５１】これに対して、電動モータ２のトルクがリ
ダクション機構４４を経由して車輪３に伝達される場合
は、リダクション機構４４におけるギヤ同士の噛み合い
部分に大きな負荷が発生し、オイルによる潤滑が必要と
なる。そして、この実施例においては、電動モータ２の
動力のみで車両が走行する場合も、オイルポンプ３１を
駆動して、その吐出オイルを油路５２を経由させてリダ
クション機構４４に供給することができる。On the other hand, when the torque of the electric motor 2 is transmitted to the wheels 3 via the reduction mechanism 44, a large load is generated at the meshing portion of the reduction mechanism 44 where the gears are meshed with each other, and lubrication by oil is performed. Will be needed. Further, in this embodiment, even when the vehicle travels only by the power of the electric motor 2, the oil pump 31 can be driven and the discharged oil can be supplied to the reduction mechanism 44 via the oil passage 52. .
【００５２】さらにこの実施例によれば、オイルポンプ
３１から吐出されるオイルにより、電動モータ２をも冷
却することができる。したがって、ケーシング８の内部
に、動力分割機構１３、発電機９などを潤滑・冷却する
装置の他に、特別な冷却構造などの付属物を設けること
なく、ケーシング８の内部でオイルの流れが完結する簡
素な構造で、電動モータ２を冷却することができる。さ
らに、ギヤなどの回転部材でオイルを掻き上げ、そのオ
イルで電動モータを冷却する構成の比較例と、オイル供
給管４０、副供給管４３、油路５２などを用いて強制的
に電動モータ２を冷却する実施例とを比較した場合、こ
の実施例の方が、電動モータ２の冷却に必要なオイル量
を、確実に電動モータ収納室Ｄ１に供給することがで
き、冷却効果が高い。Furthermore, according to this embodiment, the electric motor 2 can be cooled by the oil discharged from the oil pump 31. Therefore, the oil flow is completed inside the casing 8 without providing an accessory such as a special cooling structure in addition to the device for lubricating and cooling the power split mechanism 13 and the generator 9 inside the casing 8. The electric motor 2 can be cooled with a simple structure. Further, a comparative example in which oil is scraped up by a rotating member such as a gear and the electric motor is cooled by the oil, and the electric motor 2 is forcibly used by using an oil supply pipe 40, a sub supply pipe 43, an oil passage 52, and the like. When compared with the embodiment in which the electric motor 2 is cooled, in this embodiment, the amount of oil required for cooling the electric motor 2 can be reliably supplied to the electric motor housing chamber D1, and the cooling effect is high.
【００５３】さらにこの実施例においては、オイルポン
プ３１から吐出されたオイルの一部が、インプットシャ
フト５４および中間シャフト２３の軸心に形成されてい
る油路５３，５４に供給され、そのオイルにより、ケー
シング８内の摺動部、例えば、動力分割機構１３および
リダクション機構４４を、潤滑および冷却することもで
きる。したがって、電動モータ２の冷却と、摺動部の潤
滑および冷却に対応して、２つの潤滑装置を別々に設け
る必要がなく、潤滑装置のユニットをコンパクトに構成
できる。Further, in this embodiment, a part of the oil discharged from the oil pump 31 is supplied to the oil passages 53, 54 formed at the axial centers of the input shaft 54 and the intermediate shaft 23, and the oil is supplied by the oil. The sliding parts in the casing 8, for example, the power split mechanism 13 and the reduction mechanism 44 can be lubricated and cooled. Therefore, it is not necessary to separately provide two lubricating devices corresponding to the cooling of the electric motor 2 and the lubrication and cooling of the sliding portion, and the unit of the lubricating device can be made compact.
【００５４】またこの実施例では、電動モータ２を冷却
するオイルを、オイル供給管４０、副供給管４２，４３
を経由して輸送している。つまり、ケーシング自体を切
削加工して油路を形成し、その油路からオイルを供給す
る比較例と、実施例とを比較した場合、実施例の方が、
オイルの供給方向、オイルを供給する断面積などの自由
度が高い。また、実施例によれば、オイルの供給先毎
に、管の断面積を変えることにより、オイルの必要量に
応じて、オイルの供給量を設定できる。Further, in this embodiment, the oil for cooling the electric motor 2 is supplied with the oil supply pipe 40 and the auxiliary supply pipes 42, 43.
Are transported via. That is, when the casing itself is cut to form an oil passage and a comparative example in which oil is supplied from the oil passage is compared with the embodiment, the embodiment is
There is a high degree of freedom in terms of oil supply direction, oil supply cross-section, and so on. Further, according to the embodiment, by changing the cross-sectional area of the pipe for each oil supply destination, the oil supply amount can be set according to the required oil amount.
【００５５】またこの実施例では、リダクション機構４
４を構成するキャリヤ４８がケーシング８に固定されて
いるため、油路５７から空間Ｆ１に供給されるオイル
を、サンギヤ４５の回転にともなう遠心力で外側に送る
際に、オイルの流れがキャリヤ４８で阻害されるが、油
路５２を経由して空間Ｆ１に供給されるオイルにより、
リダクション機構４４を潤滑することができる。Further, in this embodiment, the reduction mechanism 4
4 is fixed to the casing 8, so that when the oil supplied from the oil passage 57 to the space F1 is sent to the outside by the centrifugal force caused by the rotation of the sun gear 45, the oil flow is changed. However, the oil supplied to the space F1 via the oil passage 52 causes
The reduction mechanism 44 can be lubricated.
【００５６】ここで、この実施例の構成とこの発明の構
成との対応関係を説明すれば、エンジン１がこの発明の
第１の回転装置および第１の駆動力源に相当し、電動モ
ータ２がこの発明の第２の回転装置および第２の駆動力
源に相当し、サンギヤ１４、キャリヤ１８、リングギヤ
１６がこの発明の遊星歯車機構および３つの回転要素に
相当し、キャリヤ１８がこの発明の第１の回転要素に相
当し、リングギヤ１６がこの発明の第２の回転要素に相
当し、サンギヤ１４がこの発明の第３の回転要素に相当
し、オイルポンプ３１がこの発明の油圧発生装置に相当
し、回転軸線Ａ１がこの発明の回転軸線に相当し、リダ
クション機構４４がこの発明の変速機構に相当し、ギヤ
３５，３６およびワンウェイクラッチ３７，３８がこの
発明の選択装置に相当する。Here, the correspondence between the structure of this embodiment and the structure of the present invention will be described. The engine 1 corresponds to the first rotating device and the first driving force source of the present invention, and the electric motor 2 Corresponds to the second rotating device and the second driving force source of the present invention, the sun gear 14, the carrier 18, and the ring gear 16 correspond to the planetary gear mechanism and the three rotating elements of the present invention, and the carrier 18 of the present invention. The ring gear 16 corresponds to the second rotating element of the present invention, the sun gear 14 corresponds to the third rotating element of the present invention, and the oil pump 31 corresponds to the hydraulic pressure generator of the present invention. The rotation axis A1 corresponds to the rotation axis of the present invention, the reduction mechanism 44 corresponds to the speed change mechanism of the present invention, and the gears 35 and 36 and the one-way clutches 37 and 38 correspond to the selection device of the present invention. This is.
【００５７】[0057]
【発明の効果】以上説明したように請求項１または２の
発明によれば、回転軸線方向で、遊星歯車機構および油
圧発生装置の配置スペースを狭めることができる。した
がって、回転軸線方向における駆動装置の全長をなるべ
く短縮することができ、車載性が向上する。また、第２
の回転装置および発電機の外径よりも、遊星歯車機構の
外径の方が小さい場合は、遊星歯車機構の外側に油圧発
生装置を配置すれば、第２の回転装置および発電機より
も外側に、油圧発生装置が突出することを抑制できる。As described above, according to the invention of claim 1 or 2, the space for disposing the planetary gear mechanism and the hydraulic pressure generating device can be narrowed in the rotation axis direction. Therefore, the overall length of the drive device in the direction of the rotation axis can be shortened as much as possible, and the vehicle mountability is improved. Also, the second
If the outer diameter of the planetary gear mechanism is smaller than the outer diameters of the rotating device and the generator, if the hydraulic pressure generating device is arranged outside the planetary gear mechanism, then the outside of the second rotating device and the generator can be obtained. Moreover, it is possible to prevent the hydraulic pressure generator from protruding.
【００５８】請求項３の発明によれば、請求項１または
２の発明と同様の効果を得られる他に、回転軸線方向
で、遊星歯車機構および選択装置の配置スペースを狭め
ることができる。したがって、車載性が一層向上する。According to the invention of claim 3, in addition to the same effect as that of the invention of claim 1 or 2, the space for disposing the planetary gear mechanism and the selecting device can be narrowed in the rotational axis direction. Therefore, the vehicle mountability is further improved.
【００５９】請求項４の発明によれば、請求項１ないし
３のいずれかの発明と同様の効果を得られる他に、第２
の回転装置と発電機との間の空間を、遊星歯車機構およ
び油圧発生装置の配置空間として利用できる。したがっ
て、回転軸線方向の全長を一層短くでき、車載性が一層
向上する。According to the invention of claim 4, in addition to the same effect as the invention of any one of claims 1 to 3, the second aspect
The space between the rotating device and the generator can be used as an arrangement space for the planetary gear mechanism and the hydraulic pressure generator. Therefore, the total length in the rotation axis direction can be further shortened, and the vehicle mountability can be further improved.
【００６０】請求項５の発明によれば、請求項４の発明
と同様の効果を得られる他に、遊星歯車機構および油圧
発生装置と変速機構とが、回転軸線方向において別々の
位置に配置されるため、油圧発生装置と変速機構との干
渉を回避できる。According to the invention of claim 5, in addition to the same effect as that of the invention of claim 4, the planetary gear mechanism, the hydraulic pressure generating device, and the speed change mechanism are arranged at different positions in the rotational axis direction. Therefore, it is possible to avoid the interference between the hydraulic pressure generation device and the transmission mechanism.
【００６１】請求項６の発明によれば、請求項１ないし
５のいずれかの発明と同様の効果を得られるほかに、回
転軸線を中心とする半径方向において、第２の回転装置
または発電機よりも外側に、油圧発生装置が突出する量
が一層少なくなり、車載性が向上する。According to the invention of claim 6, in addition to the same effect as the invention of any one of claims 1 to 5, the second rotating device or the generator is provided in the radial direction around the rotation axis. The amount by which the hydraulic pressure generator projects further outward than that is further reduced, and vehicle mountability is improved.
【図１】 この発明のハイブリッド車両のパワートレー
ンの構成例を示す図である。FIG. 1 is a diagram showing a configuration example of a power train of a hybrid vehicle of the present invention.
１…エンジン、 ２…電動モータ、 ３…車輪、 ９…
発電機、 １３…遊星歯車機構、 １４…サンギヤ、
１６…リングギヤ、 １８…キャリヤ、 ３１…オイル
ポンプ、 ３５，３６…ギヤ、 ３７，３８…ワンウェ
イクラッチ、４４…リダクション機構、 Ａ１，Ｅ１…
回転軸線。1 ... Engine, 2 ... Electric motor, 3 ... Wheels, 9 ...
Generator, 13 ... Planetary gear mechanism, 14 ... Sun gear,
16 ... Ring gear, 18 ... Carrier, 31 ... Oil pump, 35, 36 ... Gear, 37, 38 ... One-way clutch, 44 ... Reduction mechanism, A1, E1 ...
Axis of rotation.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小嶋 昌洋 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 金子 二郎 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 本池 一利 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 竹内 孝昌 愛知県安城市藤井町高根10番地 アイシ ン・エィ・ダブリュ株式会社内 Ｆターム(参考） 3D039 AA03 AA15 AB27 AC39 AC65 AC78 AC79 AC80 AD43 3J063 AA02 AB12 BA03 BB41 CD45 XD03 XD23 XD32 XD43 XD62 XD72 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Masahiro Kojima 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto Car Co., Ltd. (72) Inventor Jiro Kaneko 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto Car Co., Ltd. (72) Inventor Kazutoshi Honike 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto Car Co., Ltd. (72) Inventor Takamasa Takeuchi 10 Akane, Takane, Fujii-cho, Anjo City, Aichi Prefecture N AW Co., Ltd. F term (reference) 3D039 AA03 AA15 AB27 AC39 AC65 AC78 AC79 AC80 AD43 3J063 AA02 AB12 BA03 BB41 CD45 XD03 XD23 XD32 XD43 XD62 XD72
Claims (6)
と、回転軸線を中心として回転する３つの回転要素を有
する遊星歯車機構とを備え、この遊星歯車機構の第１の
回転要素が前記第１の回転装置に連結され、前記遊星歯
車機構の第２の回転要素が第２の回転装置に連結されて
いるとともに、前記第１の回転装置の動力または前記第
２の回転装置の動力のうち、選択された一方の動力によ
り回転されて油圧を発生する油圧発生装置を備えた油圧
発生装置用の駆動装置において、 前記第２の回転装置と前記遊星歯車機構と、この遊星歯
車機構の第３の回転要素に連結された発電機とが同一の
回転軸線上に配置されているとともに、前記遊星歯車機
構と前記油圧発生装置とが、非同心状に配置されている
ことを特徴とする油圧発生装置用の駆動装置。1. A first rotating device and a second rotating device, and a planetary gear mechanism having three rotating elements that rotate about a rotation axis, wherein the first rotating element of the planetary gear mechanism is the above-mentioned. The second rotating element of the planetary gear mechanism is connected to the first rotating device, the second rotating element is connected to the second rotating device, and the power of the first rotating device or the power of the second rotating device is Among them, in a drive device for a hydraulic pressure generating device, which is provided with a hydraulic pressure generating device that is rotated by one selected power source to generate hydraulic pressure, the second rotating device, the planetary gear mechanism, and the planetary gear mechanism The generator connected to the rotating element 3 is arranged on the same axis of rotation, and the planetary gear mechanism and the hydraulic pressure generator are arranged non-concentrically. Drive unit for generator .
サンギヤと同心状に配置されたリングギヤと、前記サン
ギヤおよびリングギヤに噛合するピニオンギヤを保持す
るキャリヤとを備えているとともに、前記第１の回転要
素がキャリヤであり、前記第２の回転要素がリングギヤ
であることを特徴とする請求項１に記載の油圧発生装置
用の駆動装置。2. The planetary gear mechanism includes a sun gear, a ring gear arranged concentrically with the sun gear, a carrier that holds the sun gear and a pinion gear meshing with the ring gear, and the first rotation mechanism. 2. The drive system for a hydraulic pressure generator according to claim 1, wherein the element is a carrier and the second rotating element is a ring gear.
２の回転装置の動力のうち、いずれか一方の動力を選択
し、かつ、選択された動力により油圧発生装置を駆動す
る選択装置が設けられており、前記遊星歯車機構の回転
軸線方向で、この遊星歯車機構の配置領域と、前記選択
装置の配置領域とが重なっていることを特徴とする請求
項１または２に記載の油圧発生装置用の駆動装置。3. A selection device for selecting either one of the power of the first rotating device and the power of the second rotating device and driving the hydraulic pressure generator with the selected power. 3. The hydraulic pressure generation according to claim 1 or 2, wherein the arrangement region of the planetary gear mechanism and the arrangement region of the selection device overlap each other in the rotation axis direction of the planetary gear mechanism. The drive for the device.
する第１の駆動力源としての機能を有し、前記第２の回
転装置が車輪に動力を伝達する第２の駆動力源としての
機能を有しているとともに、前記遊星歯車機構のサンギ
ヤに連結された発電機が設けられており、前記回転軸線
方向で、前記第２の回転装置と発電機との間に、前記遊
星歯車機構および油圧発生装置が配置されていることを
特徴とする請求項１ないし３のいずれかに記載の油圧発
生装置用の駆動装置。4. The second driving force source, wherein the first rotating device has a function as a first driving force source for transmitting power to wheels, and the second rotating device has a second driving force source for transmitting power to wheels. And a generator connected to the sun gear of the planetary gear mechanism. The planetary gear mechanism is provided with a generator connected between the second rotating device and the generator in the rotation axis direction. 4. The drive system for a hydraulic pressure generator according to claim 1, wherein a gear mechanism and a hydraulic pressure generator are arranged.
速機構が設けられているとともに、前記回転軸線方向
で、前記遊星歯車機構および油圧発生装置と変速機構と
の間に、前記第２の回転装置が配置されていることを特
徴とする請求項４に記載の油圧発生装置用の駆動装置。5. A speed change mechanism for controlling the output of the second rotating device is provided, and the second speed change mechanism is provided between the planetary gear mechanism and the hydraulic pressure generating device and the speed change mechanism in the rotation axis direction. 5. The drive device for a hydraulic pressure generator according to claim 4, wherein the rotating device is arranged.
いて、前記第２の回転装置または前記発電機の配置領域
と、前記油圧発生装置の配置領域とが重なっていること
を特徴とする請求項１ないし５のいずれかに記載の油圧
発生装置用の駆動装置。6. The arrangement region of the second rotating device or the generator and the arrangement region of the hydraulic pressure generating device overlap each other in the radial direction around the rotation axis. A drive unit for a hydraulic pressure generator according to any one of 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002145349A JP4234947B2 (en) | 2002-05-20 | 2002-05-20 | Drive unit for hydraulic pressure generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002145349A JP4234947B2 (en) | 2002-05-20 | 2002-05-20 | Drive unit for hydraulic pressure generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003336725A true JP2003336725A (en) | 2003-11-28 |
| JP4234947B2 JP4234947B2 (en) | 2009-03-04 |
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ID=29704708
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002145349A Expired - Fee Related JP4234947B2 (en) | 2002-05-20 | 2002-05-20 | Drive unit for hydraulic pressure generator |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005212494A (en) * | 2004-01-27 | 2005-08-11 | Toyota Motor Corp | Hybrid vehicle driving device |
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