Engagement control mechanism for a torque transmitting device

Details Engagement control mechanism for a torque transmitting device Engagement control mechanism for a torque transmitting device

1994-06-08

1995-10-31

Bonck, Rodney H.

192 clutches and power-stop control

Clutch and brake

Sliding operation

192 12C, 192 4891, 475142, F16D 6704

Patent

active

054621470

ABSTRACT:
A pair of selectively operable torque transmitting devices, such as a clutch and brake, are provided to control the torque and speed ratio in a planetary gear set. One device, a clutch, is spring engaged, to provide direct drive in the planetary set, and fluid released by a selectively operable piston assembly. The other device, a brake, is pressure engaged by a selectively operable piston assembly to establish a drive ratio in the planetary set. A torque responsive mechanism is incorporated in the piston assembly to control the overlap between the clutch/brake exchange during a ratio interchange.

REFERENCES:
patent: 2836270 (1958-05-01), Leopold
patent: 2870655 (1959-01-01), Rockwell
patent: 3069929 (1962-12-01), Hansen
patent: 3164036 (1965-01-01), Lamburn et al.
patent: 3295394 (1967-01-01), Whateley
patent: 5026334 (1991-06-01), Jeffries

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