Multi-speed power transmission

Details Multi-speed power transmission Multi-speed power transmission

2005-12-20

2005-12-20

Bonck, Rodney H. (Department: 3681)

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Plural drive ratios other than unity

C475S284000, C475S303000, C475S314000, C475S326000, C192S048910, C192S053340

Reexamination Certificate

active

06976933

ABSTRACT:
A powertrain includes a planetary gear arrangement, an engine, an input clutch, an input shaft, and an output shaft. The planetary gear arrangement includes a simple planetary gearset and a compound planetary gearset, each of which has connected therewith three synchronizer mechanisms. The synchronizer mechanisms are manipulated in various combinations to establish ten forward speed ratios and one reverse speed ratio between the input shaft and the output shaft.

REFERENCES:
patent: 2560886 (1951-07-01), Orr
patent: 2658413 (1953-11-01), Orr et al.
patent: 4531428 (1985-07-01), Windish
patent: 4721194 (1988-01-01), Frost
patent: 5975263 (1999-11-01), Forsyth
patent: 6267215 (2001-07-01), Bader et al.
patent: 6746360 (2004-06-01), Bucknor et al.
patent: 6811010 (2004-11-01), Armstrong
patent: 2004/0097324 (2004-05-01), Ziemer
patent: WO 2079670 (2002-10-01), None

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