Automatic transmission

Details Automatic transmission Automatic transmission

2006-04-04

2006-04-04

Lewis, Tisha D. (Department: 3681)

Machine element or mechanism

Gearing

Interchangeably locked

C074S330000

Reexamination Certificate

active

07021169

ABSTRACT:
An automatic transmission with input shaft having drive gears and an output shaft with driven gears engaging with the drive gears are provided. A transmission gear for transmitting a power is selectively switched from transmission gear trains of the drive gears and driven gears, by a switching mechanism. An input clutch for switching engine power transmission and input shaft disconnect states is arranged between an engine crankshaft and the input shaft. Bypass clutches capable of transmitting the power to the respective transmission gear trains are provided at an end portion of the input shaft, and the engine power is transmitted to the output shaft via at least any one of the bypass clutches at a time of shifting gears. The input clutch and the plurality of bypass clutches are concentrically arranged in series between the engine and the input shaft providing size reduction.

REFERENCES:
patent: 2970497 (1961-02-01), Foerster
patent: 4576063 (1986-03-01), Akashi et al.
patent: 4784019 (1988-11-01), Morscheck
patent: 6826974 (2004-12-01), Kobayashi
patent: 2002/0148310 (2002-10-01), Uchino
patent: 4-262166 (1992-09-01), None
patent: 2000055184 (2000-02-01), None
patent: 2000-65199 (2000-03-01), None

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