Parallel axes type automatic transmission

Details Parallel axes type automatic transmission Parallel axes type automatic transmission

2008-09-09

2008-09-09

Le, David D. (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S467000, C074S60600R, C184S001500, C184S006120, C184S011100, C184S013100

Reexamination Certificate

active

11107779

ABSTRACT:
A parallel axes type automatic transmission including a first input shaft having m or more (m is an integer not less than 2) wet multiplate clutches and drive gears rotatably mounted, a second input shaft having n or more (n is an integer greater than m and not less than 3) wet multiplate clutches and drive gears rotatably mounted, and a third input shaft having m or less wet multiplate clutches and drive gears rotatably mounted. The automatic transmission further includes an output shaft having a fixed final drive gear and a plurality of fixed driven gears. The first, second, and third input shafts are arranged at different levels so that the second input shaft is arranged at the highest level, the first input shaft is arranged at the middle level, and the third input shaft is arranged at the lowest level.

REFERENCES:
patent: 3710637 (1973-01-01), Fisher et al.
patent: 3916714 (1975-11-01), Sisson et al.
patent: 4245519 (1981-01-01), Herlitzek
patent: 4549443 (1985-10-01), White
patent: 5445041 (1995-08-01), Zaiser et al.
patent: 5573471 (1996-11-01), Shubinsky et al.
patent: 5592853 (1997-01-01), Rebholz et al.
patent: 6241066 (2001-06-01), Asada et al.
patent: 6494110 (2002-12-01), Hatakeyama
patent: 7121161 (2006-10-01), Hatakeyama
patent: 7-10609 (1995-02-01), None

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