192 clutches and power-stop control – Elements – Thrust members – retarders – and stops
Patent
1976-03-29
1977-01-04
Wyche, Benjamin W.
192 clutches and power-stop control
Elements
Thrust members, retarders, and stops
13750515, F16D 25062, F16K 1704
Patent
active
040007952
ABSTRACT:
A fluid pressure regulating apparatus in which a conduit means connects a source of pressure fluid to a fluid pressure operated clutch for actuating the latter and in which a valve means is interposed for controlling the pressure of fluid passing therethrough in such a manner so that the fluid pressure increases from a minimum to a maximum value within a predetermined interval of time initially at the same rate as the source pressure, then at a lesser rate than the source pressure, and finally again at the same rate as the source pressure to assure shock free engagement of the clutch.
REFERENCES:
patent: 3007347 (1961-11-01), Gendron et al.
patent: 3215236 (1965-11-01), Pensa
patent: 3618424 (1971-11-01), Golan et al.
patent: 3626968 (1971-12-01), Hancock
Clark Equipment Company
Ruf Ernst H.
Wyche Benjamin W.
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