Machine element or mechanism – Gearing – Interchangeably locked
Patent
1997-05-05
1998-10-20
Ta, Khoi Q.
Machine element or mechanism
Gearing
Interchangeably locked
74330, 74331, 475207, 475215, F16H 308
Patent
active
058230513
ABSTRACT:
A power transmission has a pair of meshing gear input power paths and a planetary gearset output power path. The meshing gear input power path includes two pair of ratio gears and two pair of transfer gears. The power flow through the meshing gear input power path is drivingly connectible with two members of the planetary gearset. One power path from the input meshing gear is directed to the sun gear through a first transfer gear set and to the carrier assembly through a second transfer gear set and a one-way clutch during first and second ratios. During a third ratio, a direct input path to the carrier and a path through both transfer gearsets is provided. During a fourth and fifth ratio, the direct carrier input path, the meshing gear input paths and the transfer gearset input paths are utilized. Two reverse ratios are accommodated by grounding the carrier and inputting the sun gear through the ratio gear power paths and the first transfer gearset.
REFERENCES:
patent: 4461188 (1984-07-01), Fisher
patent: 4463621 (1984-08-01), Fisher
patent: 4576063 (1986-03-01), Akashi et al.
patent: 4727764 (1988-03-01), Klaue
patent: 4738149 (1988-04-01), Janiszewski
patent: 4966048 (1990-10-01), Braun
patent: 5613401 (1997-03-01), Maurizio
patent: 5628703 (1997-05-01), Roeper
patent: 5720203 (1998-02-01), Honda et al.
General Motors Corporation
Scherer Donald F.
Ta Khoi Q.
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