WO2000010830A1 - Dispositif de transmission de force motrice pour vehicule - Google Patents

Dispositif de transmission de force motrice pour vehicule Download PDF

Info

Publication number
WO2000010830A1
WO2000010830A1 PCT/JP1999/003768 JP9903768W WO0010830A1 WO 2000010830 A1 WO2000010830 A1 WO 2000010830A1 JP 9903768 W JP9903768 W JP 9903768W WO 0010830 A1 WO0010830 A1 WO 0010830A1
Authority
WO
WIPO (PCT)
Prior art keywords
gears
driving force
vehicle
gear
differential
Prior art date
Application number
PCT/JP1999/003768
Other languages
English (en)
Japanese (ja)
Inventor
Makoto Nishiji
Hirofumi Okuda
Original Assignee
Zexel Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zexel Corporation filed Critical Zexel Corporation
Publication of WO2000010830A1 publication Critical patent/WO2000010830A1/fr

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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
    • 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

Definitions

  • the present invention relates to a driving force transmission device for a vehicle, and more particularly to a driving force transmission device for an automatic vehicle.
  • this type of driving force transmission device includes an engine, an automatic transmission, and a center differential arranged sequentially from the front to the rear of the vehicle.
  • the engine, automatic transmission, and center differential are arranged so that their axes are aligned with each other.
  • the rotational driving force of the engine is transmitted to the automatic transmission via the torque converter, and is transmitted from the automatic transmission to the center differential housing.
  • the rotational driving force transmitted to the housing is transmitted to a pair of side gears via a planet gear.
  • the driving force transmitted to one side gear is transmitted to the front differential via the front drive shaft, and transmitted from the front differential to the left and right front wheels.
  • the driving force transmitted to the other side gear is transmitted to Lyadeff via the propeller shaft, and is transmitted to the left and right rear wheels from the Lyadev.
  • the rotation direction means the rotation direction when the vehicle is viewed from the rear.
  • the vehicle is designed to move forward.
  • the output shaft of the automatic transmission is directly connected to the housing of the center differential, and the side gear of the center differential rotates in the same direction as the automatic transmission.
  • the rotation direction of the automatic transmission is the same as the rotation direction of the engine, and is counterclockwise when the vehicle moves forward. Therefore, the side gear rotation direction Is counterclockwise and identical to the front drive shaft. Therefore, when connecting the side gear and the front drive shaft, it is only necessary to directly connect each other or to interpose three (or an odd number of more) gears between them.
  • the front drive shaft cannot be arranged on the axis of the center differential, and cannot be directly connected to the side gear. Therefore, by interposing three gears between the side gear and the front drive shaft, the front drive shaft is shifted to the left or right by the amount of the three gears from the center differential axis to avoid the automatic transmission. In addition to being able to be placed on the side, the front drive shaft is rotated in the same direction as the side gear.
  • the propeller shaft In a normal vehicle, the propeller shaft is designed to rotate clockwise when the vehicle moves forward. However, the center differential side gear rotates counterclockwise as described above. Therefore, two gears are interposed between the side gear and the propeller shaft.
  • An object of the present invention is to provide a vehicle driving force transmission device that can reduce the number of gears required for transmitting rotational driving force and that can use a normal differential gear device as a center differential.
  • an engine, an automatic transmission, and a center differential are sequentially arranged from the front to the rear of the vehicle, and the rotational driving force input from the engine to the housing of the center differential via the automatic transmission is transmitted from the housing to the planetary gear.
  • a vehicle driving force transmission device that transmits to a pair of side gears via gears, transmits from one side gear to the front differential via a front drive shaft, and transmits from the other side gear to Ryadeff via a propeller shaft.
  • the center differential is disposed below the output shaft of the automatic transmission, and the output shaft of the automatic transmission and the housing of the center differential are connected via two gears.
  • One side gear and the front drive shaft are connected via two gears, and the other side of the center differential is used. It is characterized in that directly connected with the gear and the propeller shafts and. As a result, the number of gears can be reduced, and a normal differential gear device can be used as a center differential.
  • FIG. 1 is a plan view showing a schematic configuration of a preferred embodiment of a driving force transmission device according to the present invention.
  • FIG. 2 is a view taken along an arrow X--X in FIG. The figure is a view taken in the direction of the arrow Y in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • the driving force transmission device includes an engine 1, an automatic transmission 2, and a center differential 3, which are sequentially arranged from the front side to the rear side of the vehicle.
  • the engine 1 and the automatic transmission 2 are arranged so that their axes are aligned with each other and are oriented horizontally. Therefore, the output shaft 1a of the engine 1 and the output shaft 2a of the automatic transmission 2 are aligned with each other.
  • the center differential 3 has its axis aligned with the axis of the automatic transmission 2 in the horizontal direction of the vehicle, but is offset from the axis of the automatic transmission 2 in the vertical direction. The axis of the center differential 3 is shifted downward with respect to the axis of the automatic transmission 2.
  • the rotational driving force of the engine 1 is transmitted via its output shaft 1a and the torque converter 4
  • the output is input to the automatic transmission 2 and is input from the output shaft 2 a of the automatic transmission 2 to the housing 3 a of the center differential 3.
  • Two gears G e and G 7 are interposed between the output shaft 2 a and the housing 3 a. Therefore, the housing 3a of the center differential 3 rotates in the opposite direction to the output shaft 1a of the engine 1 and the output shaft 2a of the automatic transmission 2.
  • the housing 3a rotates clockwise.
  • the direction of rotation is opposite to the direction of rotation of the housing of the center differential housing of the conventional driving force transmission device.
  • the rotation of the housing 3a is transmitted to the pair of side gears 3c and 3d via the planet gear 3b.
  • the rotation direction of the pair of side gears 3c, 3d is the same as that of the housing 3a, and rotates clockwise when the vehicle moves forward.
  • the rotational driving force transmitted to one side gear 3 c is transmitted to the front drive shaft 5.
  • Two gears G 8 and G 9 are interposed between the side gear 3 c and the front drive shaft 5. Therefore, the front drive shaft 5 rotates in the opposite direction to the side gear 3c, and the direction of rotation is the same as the direction of rotation of the front drive shaft of the conventional rotary driving force transmission device. That is, if the engine 1 is rotating counterclockwise when the vehicle advances, the front drive shaft 5 also rotates counterclockwise. Further, since the two gear G 8, G 9 between the front drive shaft 5 and rhinoceros Dogiya 3 c is interposed, shifted in the direction of Zureka have left the front drive shaft 5 from the axis of the center differential 3 be able to. In this embodiment, the vehicle is shifted to the right as viewed from the rear of the vehicle, whereby the front drive shaft 5 is controlled by the control unit 2 b having the automatic transmission 2 and a control valve (not shown) for controlling the same. To the right of them.
  • the driving force transmitted to the front drive shaft 5 is Haipoi Dogiya HG 1; is transmitted to the front differential 6 via the HG 2, it is transmitted from the front differential 6 on the front wheels FW 2 left and right.
  • the front wheels FW 2 and FW 2 rotate in a direction to move the vehicle forward if the engine 1 is rotating counterclockwise.
  • the side gear 3d rotates clockwise when the vehicle advances, which is the same direction in which the propeller shaft 7 should rotate when the vehicle advances. Therefore, the propeller shaft 7 and the side gear 3d are directly connected without any intervening gear.
  • “directly connecting two members (for example, the side gear 3d and the propeller shaft 7) to which the rotation is transmitted” means that one member is connected without a gear, a chain, or the like. Connecting two members so that rotation can be transmitted to the other member as substantially the same rotation, with a coupling C, universal joint, or other connecting member interposed between the two members Including cases.
  • the gear G 6 is he drawing is offset to the right of the vehicle with respect to the gear G 7, FIG. 2, as is apparent from FIG. 3, it is actually directly above the gear G 7 It is located in.
  • the force diagram 1 the gear G s is depicted in the lower side of the gear G 8, as shown in FIG. 3, is actually that are horizontally oriented left of the gear G s.
  • the center differential 3 the front differential 6, and the ryade 8
  • an open differential using side gears 3c and 3d made of bevel gears and a planet gear 3b is adopted.
  • the torque sensing differential may be a parallel shaft type in which a pair of planet gears are arranged in parallel with the side gears. It may be an orthogonal shaft type that is arranged in the direction orthogonal to the side gear.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

L'invention concerne un dispositif de transmission de force motrice dans lequel un différentiel central (3) est placé en aval par rapport à un arbre secondaire (2a) de transmission automatique (2), ledit arbre (2a) étant couplé à la coquille (3a) du différentiel (3) par des engrenages (G6, G7). Un planétaire (3c) du différentiel (3) est couplé à un arbre de transmission (5) d'essieu avant par des engrenages (G8, G9), l'autre planétaire (3d) du différentiel (3) étant couplé directement à un arbre à cardan (7).
PCT/JP1999/003768 1998-08-21 1999-07-12 Dispositif de transmission de force motrice pour vehicule WO2000010830A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10251975A JP2000062487A (ja) 1998-08-21 1998-08-21 車両の駆動力伝達装置
JP10/251975 1998-08-21

Publications (1)

Publication Number Publication Date
WO2000010830A1 true WO2000010830A1 (fr) 2000-03-02

Family

ID=17230794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1999/003768 WO2000010830A1 (fr) 1998-08-21 1999-07-12 Dispositif de transmission de force motrice pour vehicule

Country Status (2)

Country Link
JP (1) JP2000062487A (fr)
WO (1) WO2000010830A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6413184B1 (en) * 1999-04-05 2002-07-02 Toyota Jidosha Kabushiki Kaisha Power transmission system for four-wheel drive vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205822U (fr) * 1985-06-14 1986-12-25
JPH02254026A (ja) * 1989-03-27 1990-10-12 Mazda Motor Corp ４輪駆動車の動力伝達装置
JPH02254024A (ja) * 1989-03-27 1990-10-12 Mazda Motor Corp ４輪駆動車の動力伝達装置
JPH06344785A (ja) * 1993-06-11 1994-12-20 Mazda Motor Corp 差動制限装置を備えた車両のアンチスキッドブレーキ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61205822U (fr) * 1985-06-14 1986-12-25
JPH02254026A (ja) * 1989-03-27 1990-10-12 Mazda Motor Corp ４輪駆動車の動力伝達装置
JPH02254024A (ja) * 1989-03-27 1990-10-12 Mazda Motor Corp ４輪駆動車の動力伝達装置
JPH06344785A (ja) * 1993-06-11 1994-12-20 Mazda Motor Corp 差動制限装置を備えた車両のアンチスキッドブレーキ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6413184B1 (en) * 1999-04-05 2002-07-02 Toyota Jidosha Kabushiki Kaisha Power transmission system for four-wheel drive vehicle

Also Published As

Publication number Publication date
JP2000062487A (ja) 2000-02-29

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