Motor vehicle transmission including a hill holder device

Details Motor vehicle transmission including a hill holder device Motor vehicle transmission including a hill holder device

1985-01-10

1987-03-17

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 4A, B60K 4124, F16D 6704

Patent

active

046500464

ABSTRACT:
The transmission includes a rotary shaft for transmitting drive to driving wheels of the vehicle, a fixed gearbox casing and a hill holder between the shaft and the gearbox casing. The hill holder, when operative, inhibits reverse movement of the vehicle and includes in series a sprag clutch and a multiplate brake. Fluid is supplied from a fluid operable control system for operating the brake and controls the rate of engagement of the brake.

REFERENCES:
patent: 1965709 (1934-07-01), Morse
patent: 3917040 (1975-11-01), Radcliffe
patent: 3998111 (1976-12-01), Blake
patent: 4024936 (1977-05-01), Crabb
patent: 4128145 (1978-12-01), Euler
patent: 4358001 (1982-11-01), Iverson
patent: 4515259 (1985-05-01), Ha

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