JP6233362B2 - 4輪駆動車両用トランスファ - Google Patents
4輪駆動車両用トランスファ Download PDFInfo
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- JP6233362B2 JP6233362B2 JP2015148092A JP2015148092A JP6233362B2 JP 6233362 B2 JP6233362 B2 JP 6233362B2 JP 2015148092 A JP2015148092 A JP 2015148092A JP 2015148092 A JP2015148092 A JP 2015148092A JP 6233362 B2 JP6233362 B2 JP 6233362B2
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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
- 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
- B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
-
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
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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
- 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
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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
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/46—Gearings having only two central gears, connected by orbital gears
- F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
- F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
- F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/065—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with a plurality of driving or driven shafts
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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
- 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
- B60K17/346—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear
- B60K17/3467—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear the transfer gear being a differential gear combined with a change speed gearing, e.g. range gear
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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
-
- 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
- B60K2023/085—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 automatically actuated
- B60K2023/0858—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 automatically actuated with electric means, e.g. electro-hydraulic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/13—Failsafe arrangements
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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
- B60Y2400/421—Dog type clutches or brakes
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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
- B60Y2400/422—Synchromesh type clutches or brakes
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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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- 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
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Description
F1=T/R2×(1/tanα)・・・(1)
ここで、R2は、軸線C1から第1傾斜カム面70dまたは第2傾斜カム面70eと押しピン136の先端部136pとが当接する点までの距離である。
40:トランスファケース(ケース)
42:入力軸
44:後輪側出力軸(出力軸)
46:ドライブギヤ(出力部材)
48:ハイロー切替機構
50:前輪駆動用クラッチ(摩擦クラッチ)
70:ロックスリーブ
70b:外周面
70c:カム溝
70d:第1傾斜カム面(傾斜カム面)
72:第1スプリング(第1バネ)
74:第2スプリング(第2バネ)
82:ピストン
84:電動モータ(アクチュエータ)
86:ねじ機構(ボールネジ)
88:伝達機構
102:フォークシャフト
103:第1ロックスリーブ駆動機構
104:フォーク
105:押圧機構
134、154、166:第2ロックスリーブ駆動機構
136、156、168:押しピン
140、162、174:スプリング(バネ)
142:第1ソレノイド(第2アクチュエータ)
144:第2ソレノイド(第2アクチュエータ)
164:ソレノイド(第2アクチュエータ)
C1:軸線(第1軸線)
C4、C9、C10:軸線(第2軸線)
R:前進回転(正回転)
W:溝幅
Claims (7)
- 相互に同心でそれぞれ回転可能にケースに支持される入力軸および第1の左右の駆動輪へ動力を出力する出力軸と、前記出力軸に相対回転可能に同心に支持され第2の左右の駆動輪へ動力を出力する出力部材と、前記出力軸の動力の一部を前記出力部材に伝達する摩擦クラッチと、アクチュエータの出力により前記摩擦クラッチに係合力を与える押圧機構と、前記出力軸に対してその第1軸線方向の移動可能且つ相対回転不能に配設され、その第1軸線方向の移動で前記出力部材に選択的に連結させられるロックスリーブと、前記アクチュエータの出力により前記ロックスリーブを前記出力部材側へ駆動する第1ロックスリーブ駆動機構とを備える4輪駆動車両用トランスファであって、
前記ロックスリーブの外周面には、前記出力部材側に向かうに従って、前記ロックスリーブの回転方向の溝幅が減少する傾斜カム面を有するカム溝が形成され、
前記第1軸線に直角な第2軸線方向に移動可能に設けられ、前記カム溝に係合することにより前記ロックスリーブの回転に伴って前記ロックスリーブを前記出力部材側へ移動させる押しピンを有し、前記アクチュエータと前記第1ロックスリーブ駆動機構とは独立に前記ロックスリーブを移動させる第2ロックスリーブ駆動機構を、更に含むことを特徴とする4輪駆動車両用トランスファ。 - 前記アクチュエータは電動モータであり、
前記押圧機構は、前記電動モータの回転運動を直線運動に変換するボールネジと、前記ボールネジの直線運動力を前記摩擦クラッチに伝達するピストンとを、含み、
前記第1ロックスリーブ駆動機構は、前記ボールネジと、前記ボールネジの直線運動力を前記ロックスリーブに伝達するフォークシャフトおよびフォークとを備える請求項1の4輪駆動車両用トランスファ。 - 前記第2ロックスリーブ駆動機構は、前記押しピンを前記ロックスリーブに接近させる方向または前記ロックスリーブに接近させる方向とは反対方向に付勢するバネと、前記押しピンの移動を選択的に制御する第2アクチュエータとを含む請求項1または2の4輪駆動車両用トランスファ。
- 前記第2ロックスリーブ駆動機構は、前記押しピンを前記ロックスリーブに接近させる方向とは反対方向に付勢するバネを含み、前記押しピンは前記ケースの外側より手動で操作可能に設けられている請求項1または2の4輪駆動車両用トランスファ。
- 前記カム溝に形成された傾斜カム面は、前記ロックスリーブの半径方向で外周ほど前記カム溝の前記ロックスリーブの回転方向の溝幅が大きくなるように傾斜している請求項1から4のいずれか1の4輪駆動車両用トランスファ。
- 前記ロックスリーブは、前記第1ロックスリーブ駆動機構から第1バネを介して前記出力部材側へ向かうロック方向推力が作用され、第2バネで前記出力部材から離れる側へ向かうロック解除方向推力が作用される請求項1から5のいずれか1の4輪駆動車両用トランスファ。
- 前記4輪駆動車両用トランスファは、前記入力軸の回転を変速して前記出力軸へ伝達するハイロー切替機構を更に備え、前記第1ロックスリーブ駆動機構は、前記ハイロー切替機構の駆動と連動して、前記ロックスリーブを駆動するものである請求項1から6のいずれか1の4輪駆動車両用トランスファ。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015148092A JP6233362B2 (ja) | 2015-07-27 | 2015-07-27 | 4輪駆動車両用トランスファ |
| DE102016113643.3A DE102016113643B4 (de) | 2015-07-27 | 2016-07-25 | Übertragung für ein Fahrzeug mit Vierradantrieb, bei dem ein zweiter Sperrhülsenantriebsmechanismus eine Sperrhülse unabhängig von einem Stellglied und einem ersten Sperrhülsenantriebsmechanismus bewegt |
| US15/219,905 US9994103B2 (en) | 2015-07-27 | 2016-07-26 | Transfer for four-wheel drive vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015148092A JP6233362B2 (ja) | 2015-07-27 | 2015-07-27 | 4輪駆動車両用トランスファ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017024669A JP2017024669A (ja) | 2017-02-02 |
| JP6233362B2 true JP6233362B2 (ja) | 2017-11-22 |
Family
ID=57795918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015148092A Active JP6233362B2 (ja) | 2015-07-27 | 2015-07-27 | 4輪駆動車両用トランスファ |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9994103B2 (ja) |
| JP (1) | JP6233362B2 (ja) |
| DE (1) | DE102016113643B4 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6135634B2 (ja) * | 2014-10-07 | 2017-05-31 | トヨタ自動車株式会社 | 車両用トランスファ |
| JP6233381B2 (ja) * | 2015-10-26 | 2017-11-22 | トヨタ自動車株式会社 | 4輪駆動車両用トランスファ |
| JP6245245B2 (ja) * | 2015-11-26 | 2017-12-13 | トヨタ自動車株式会社 | 車両用トランスファ |
| JP6451954B2 (ja) | 2015-12-14 | 2019-01-16 | デーナ、オータモウティヴ、システィムズ、グループ、エルエルシー | 車軸のための接続解除システム |
| US10183577B2 (en) * | 2016-02-15 | 2019-01-22 | Borgwarner Inc. | Transfer case with four wheel lock |
| US10711893B2 (en) * | 2016-06-21 | 2020-07-14 | Borgwarner Inc. | Brake for unintended neutral mode in transfer case |
| US10808768B2 (en) | 2016-11-01 | 2020-10-20 | Dana Automotive Systems Group, Llc | Linear actuator mechanism and use in a vehicle axle disconnect/connect system |
| JP6965792B2 (ja) * | 2018-02-28 | 2021-11-10 | トヨタ自動車株式会社 | 車両用駆動装置 |
| US10703203B2 (en) * | 2018-06-27 | 2020-07-07 | Borgwarner Inc. | Vehicle driveline component having a two-speed transmission and a failsafe spring configured to urge the transmission into a desired speed ratio |
| CN112943812A (zh) * | 2021-01-27 | 2021-06-11 | 深圳爱她他智能餐饮技术有限公司 | 转轴组件以及带动机构转动的方法 |
| KR20220166168A (ko) * | 2021-11-29 | 2022-12-16 | 주식회사평화발레오 | 디스커넥터 액츄에이터의 조립구조 |
| US12366268B1 (en) * | 2024-02-29 | 2025-07-22 | Fca Us Llc | Actuator control for drivetrain disconnect assembly |
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| JP3124607B2 (ja) * | 1992-02-03 | 2001-01-15 | 日産自動車株式会社 | 車両のトランスファ装置 |
| JP2000179650A (ja) * | 1998-12-11 | 2000-06-27 | Tochigi Fuji Ind Co Ltd | 動力式フリーランニング差動装置 |
| JP3823679B2 (ja) * | 2000-04-05 | 2006-09-20 | いすゞ自動車株式会社 | トランスファ装置 |
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| US7694598B2 (en) | 2006-04-26 | 2010-04-13 | Magna Powertrain Ag & Co Kg | Two-speed transfer case with adaptive torque transfer clutch |
| US8267833B2 (en) | 2010-09-27 | 2012-09-18 | Magna Powertrain Of America, Inc. | High efficiency transfer case |
| JP6135634B2 (ja) | 2014-10-07 | 2017-05-31 | トヨタ自動車株式会社 | 車両用トランスファ |
-
2015
- 2015-07-27 JP JP2015148092A patent/JP6233362B2/ja active Active
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| DE102016113643B4 (de) | 2019-06-13 |
| US9994103B2 (en) | 2018-06-12 |
| DE102016113643A1 (de) | 2017-02-02 |
| US20170028846A1 (en) | 2017-02-02 |
| JP2017024669A (ja) | 2017-02-02 |
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