Automatic transmission

Details Automatic transmission Automatic transmission

2006-09-19

2006-09-19

Bonck, Rodney H. (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S60600R

Reexamination Certificate

active

07107867

ABSTRACT:
An automatic transmission includes a parallel-axis gear pair including a first gear having a shaft portion and a gear portion, and a second gear which meshes with the first gear; a case that has a supporting wall which is adjacent to the gear portion of the first gear and rotatably supports the shaft portion of the first gear; and a frictional engagement apparatus that includes friction members, a piston that presses on, so as to apply, the friction members, and a hydraulic chamber that holds hydraulic fluid which moves the piston in the direction of the friction members. As a result, both the shaft to shaft dimension as well as the axial dimension of the automatic transmission can be reduced.

REFERENCES:
patent: 4351203 (1982-09-01), Fukunaga
patent: 4794942 (1989-01-01), Yasuda et al.
patent: 4994006 (1991-02-01), Kinoshita et al.
patent: 6206161 (2001-03-01), Ross
patent: 2004/0231457 (2004-11-01), Miyazaki et al.
patent: 2006/0101942 (2006-05-01), Onishi et al.
patent: 2000-257702 (2000-09-01), None

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