Fluid operated clutch control system having latch member

Details Fluid operated clutch control system having latch member Fluid operated clutch control system having latch member

1990-08-29

1991-09-17

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

92 18, 92 19, 92 24, 192 91R, 192114R, F16D 2508, F16D 1358

Patent

active

050486560

ABSTRACT:
Provided is an improved fluid operated clutch control system having a latch member operable to lock the clutch in a selected condition of engagement or disengagement when the fluid pressure falls below a predetermined minimum value. In one embodiment a system (100) is provided in which a latch member (26) is controlled by fluid pressure in a channel (36) in a stationary wall housing (10). In another embodiment, a system (200) is provided in which a latch member (62) is controlled by the combination of fluid pressure sensed by a sensor (64) and the energization and de-energization of a solenoid (60) and, in yet another embodiment, a system (300) is provided with a latch member (62) that is controlled by the energization and de-energization of a solenoid (60).

REFERENCES:
patent: 2099453 (1937-11-01), Searle
patent: 2180154 (1939-11-01), Lenz
patent: 2305302 (1942-12-01), Mazur
patent: 2932282 (1960-04-01), McKinley et al.
patent: 3251278 (1966-05-01), Royster
patent: 3359862 (1967-12-01), Modrich
patent: 3482666 (1969-12-01), Case et al.
patent: 3759147 (1973-09-01), Johnsson et al.
patent: 3874747 (1975-04-01), Case et al.
patent: 4014414 (1977-03-01), Yamamoto et al.
patent: 4116113 (1978-09-01), Leclerc
patent: 4697680 (1987-10-01), Faber et al.
patent: 4729462 (1988-03-01), Braun
patent: 4873824 (1989-10-01), Cox

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