JP7028141B2 - 四輪駆動車両用トランスファ - Google Patents
四輪駆動車両用トランスファ Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/16—Controlling lubricant pressure or quantity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/22—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
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- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
- B60K17/35—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
- B60K17/3515—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches with a clutch adjacent to traction wheel, e.g. automatic wheel hub
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- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
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- B60K25/00—Auxiliary drives
- B60K25/06—Auxiliary drives from the transmission power take-off
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- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/02—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, substantially in or parallel to the longitudinal centre line of the vehicle
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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
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D28/00—Electrically-actuated clutches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0473—Friction devices, e.g. clutches or brakes
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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
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
- B60K2023/0816—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch for varying front-rear torque distribution with a central differential
- B60K2023/0825—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch for varying front-rear torque distribution with a central differential for adding torque to the front wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2300/00—Indexing codes relating to the type of vehicle
- B60W2300/18—Four-wheel drive vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/80—Control of differentials
- B60Y2300/84—Differential locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/42—Clutches or brakes
- B60Y2400/424—Friction clutches
- B60Y2400/4244—Friction clutches of wet type, e.g. using multiple lamellae
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/42—Clutches or brakes
- B60Y2400/427—One-way clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/70—Gearings
- B60Y2400/73—Planetary gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- General Details Of Gearings (AREA)
Description
12:エンジン(駆動力源)
14L、14R:前輪(副駆動輪)
16L、16R:後輪(主駆動輪)
22、200:トランスファ(四輪駆動車両用トランスファ)
24:フロントプロペラシャフト(プロペラシャフト)
38:トランスファケース(非回転部材)
40:入力軸(入力回転部材)
42:後輪側出力軸(第1の出力回転部材)
44:前輪駆動用ドライブスプロケット(第2の出力回転部材)
46:ハイロー切替機構
48:前輪駆動用クラッチ(湿式クラッチ)
60:遊星歯車装置
120:オイルポンプ
130:オイルポンプ駆動軸
130b:外周面
130d:外周面
144:ポンプ駆動用ドリブンスプロケット(ドリブンギヤ)
144a:内周面
146:ポンプ駆動用チェーン(環状伝達部材)
148:第1ワンウェイクラッチ
158、202:ポンプ駆動用ドライブギヤ
160:ポンプ駆動用ドリブンギヤ
160a:内周面
162:第2ワンウェイクラッチ
C1:第1回転軸線
C2:第4回転軸線(第2回転軸線)
CA:キャリア(第2回転要素)
R:リングギヤ(第3回転要素)
S:サンギヤ(第1回転要素)
Claims (5)
- 駆動力源と、主駆動輪および副駆動輪と、四輪駆動時に前記駆動力源からの駆動力の一部を前記副駆動輪に伝達するプロペラシャフトと、を有し、二輪駆動時において前記プロペラシャフトを前記副駆動輪と前記駆動力源との間の動力伝達経路から切り離す四輪駆動車両に用いられ、
前記駆動力源に動力伝達可能に連結され、第1回転軸線まわりに回転可能な入力回転部材と、前記駆動力源から前記入力回転部材に伝達される駆動力を前記主駆動輪へ出力する第1の出力回転部材と、前記プロペラシャフトへ駆動力を出力する第2の出力回転部材と、前記第1の出力回転部材に伝達された駆動力の一部を前記第2の出力回転部材へ伝達する単板または多板の湿式クラッチと、前記湿式クラッチに潤滑油を供給するオイルポンプと、を備え、前記四輪駆動時に前記湿式クラッチによって前記入力回転部材に伝達された駆動力の一部を前記第2の出力回転部材に伝達する四輪駆動車両用トランスファであって、
前記オイルポンプは、前記第2の出力回転部材の回転により第1ワンウェイクラッチを介して回転駆動させられるようになっており、
前記オイルポンプは、前記四輪駆動時の前進走行において前記第2の出力回転部材の回転に連動して回転駆動させられ、前記二輪駆動時の前進走行において停止させられる
ことを特徴とする四輪駆動車両用トランスファ。 - 前記入力回転部材に動力伝達可能に連結され、前記第1回転軸線まわりに回転するポンプ駆動用ドライブギヤが備えられ、
前記オイルポンプと前記ポンプ駆動用ドライブギヤとの間の動力伝達経路には、前記四輪駆動車両が後進走行するときに前記ポンプ駆動用ドライブギヤからの後進方向の回転駆動力を前記オイルポンプに伝え、前記四輪駆動車両が前進走行するときに前記ポンプ駆動用ドライブギヤからの前進方向の回転駆動力を前記オイルポンプに伝えない第2ワンウェイクラッチが介在されている
ことを特徴とする請求項1の四輪駆動車両用トランスファ。 - 前記入力回転部材に連結された第1回転要素と、第2回転要素と、非回転部材に連結された第3回転要素と、を有する遊星歯車装置を含み、前記第1回転要素および前記第2回転要素のうち前記第1の出力回転部材に連結される回転要素を切り替えるハイロー切替機構が備えられており、
前記ポンプ駆動用ドライブギヤは、前記遊星歯車装置の前記第2回転要素に形成されている
ことを特徴とする請求項2の四輪駆動車両用トランスファ。 - 前記オイルポンプには、前記潤滑油を前記湿式クラッチに供給するために第2回転軸線まわり所定方向に回転させられるオイルポンプ駆動軸が備えられ、
前記オイルポンプ駆動軸の外周には、前記ポンプ駆動用ドライブギヤに噛み合う環状のポンプ駆動用ドリブンギヤが配設され、
前記オイルポンプ駆動軸の外周面と前記ポンプ駆動用ドリブンギヤの内周面との間には、前記第2ワンウェイクラッチが配設されており、
前記ポンプ駆動用ドライブギヤが前記後進方向に回転すると、前記第2ワンウェイクラッチによって前記オイルポンプ駆動軸が前記第2回転軸線まわり前記所定方向に回転させられ、
前記ポンプ駆動用ドライブギヤが前記前進方向に回転すると、前記第2ワンウェイクラッチによって前記ポンプ駆動用ドライブギヤからの前進方向の回転駆動力を前記オイルポンプ駆動軸に伝えない
ことを特徴とする請求項2または3の四輪駆動車両用トランスファ。 - 前記オイルポンプ駆動軸の外周には、前記第2の出力回転部材に動力伝達可能に環状伝動部材を介して連結されたドリブンギヤが配設され、
前記オイルポンプ駆動軸の外周面と前記ドリブンギヤの内周面との間には、前記第1ワンウェイクラッチが配設されており、
前記第2の出力回転部材が前記前進方向に回転すると、前記第1ワンウェイクラッチによって前記オイルポンプ駆動軸が前記第2回転軸線まわり前記所定方向に回転させられ、
前記第2の出力回転部材が前記後進方向に回転すると、前記第1ワンウェイクラッチによって前記第2の出力回転部材からの後進方向の回転駆動力を前記オイルポンプ駆動軸に伝えない
ことを特徴とする請求項4の四輪駆動車両用トランスファ。
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