Vehicle transmission

Details Vehicle transmission Vehicle transmission

2007-02-05

2009-11-24

Lewis, Tisha D (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S330000

Reexamination Certificate

active

07621195

ABSTRACT:
A vehicle transmission is provided with two coaxially mounted input shafts having input gears, a pair of clutches to selectively transmit a driving torque of a power source to the input shafts, a plurality of output shafts having output gears, and a plurality of gear selectors. The gear selectors selectively connect and disconnect the gears to their respective shafts in order to selectively establish a plurality of forward driving speed ratios and at least one reverse driving speed ratio by selectively controlling the gear selectors and the first and second clutches. The gears are arranged such that only two sets of the gear pairs are used in establishing a torque transmitting path from one of the input shafts to a final reduction gear output shaft when at least one of a forward gear is selected other than a first forward gear.

REFERENCES:
patent: 3916711 (1975-11-01), Hoyer
patent: 4106364 (1978-08-01), Zenker et al.
patent: 2003-120764 (2003-04-01), None

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