Hydraulic pressure control apparatus for use in automatic transm

Details Hydraulic pressure control apparatus for use in automatic transm Hydraulic pressure control apparatus for use in automatic transm

1985-03-25

1987-04-28

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 33, B60K 4102

Patent

active

046606939

ABSTRACT:
A hydraulic control pressure assembly is provided which indicates the position of an intake throttle valve below a predetermined value. The control pressure is used for a control valve which controls a lock-up clutch arranged parallel to a torque converter, a timing valve for speed change or the like. First and second throttle valves are provided which produce respectively first and second throttle pressures according to a force relating to an intake throttle position. Hydraulic auxiliary pressures are provided which act on the first and second throttle valves in the same direction as the force.

REFERENCES:
patent: 2707887 (1955-05-01), Slack
patent: 3977502 (1976-08-01), Chana
patent: 4476745 (1984-10-01), Moan
patent: 4516671 (1985-05-01), Nishikawa et al.

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