Automatic transmission for transverse engine vehicle

Details Automatic transmission for transverse engine vehicle Automatic transmission for transverse engine vehicle

1995-06-19

1996-12-17

Marmor, Charles A.

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

Differential is beneath prime mover or transmission

475205, 475284, F16H 3708, F16H 4806, B60K 1716

Patent

active

055847757

ABSTRACT:
An automatic transmission for a transverse engine vehicle having a first shaft aligned with an engine crankshaft, a second shaft and third shafts driving front wheels of the vehicle. The first, second and third shafts are arranged in a triangular configuration in an end view. A fluid coupling, a main transmission and a counter drive gear are arranged on the first shaft. A counter driven gear, meshing with the counter drive gear, and a reduction gear are both arranged on the second shaft. A differential unit is interposed to drive the third shafts and has a ring gear meshing with the reduction gear. The counter drive gear is located on the first shaft between the fluid coupling and the main transmission, has a supporting boss portion extending toward the main transmission and is supported by the transmission case. The first shaft extends from the fluid coupling and through the counter drive gear for connection to at least one input element of the main transmission. The differential unit has a casing with left-hand and right-hand extensions which are supported by the transmission case through bearings. The plane of rotation of the ring gear and reduction gear meshed therewith is interposed between the planes in which the bearings support the left-hand and right-hand extensions.

REFERENCES:
patent: 4307628 (1981-12-01), Yamamori et al.
patent: 4594914 (1986-06-01), Kubo et al.
patent: 4711138 (1987-12-01), Miura et al.
patent: 4889621 (1989-12-01), Yamada et al.
patent: 5006102 (1991-04-01), Takase et al.
patent: 5203749 (1993-04-01), Ito

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