Motors: expansible chamber type – With motive fluid valve – Both inlet and exhaust controlled by motive fluid pressure...
Patent
1976-01-22
1978-01-17
Cohen, Irwin C.
Motors: expansible chamber type
With motive fluid valve
Both inlet and exhaust controlled by motive fluid pressure...
91356, 91451, 100 51, F15B 13042, F15B 13044
Patent
active
040685616
ABSTRACT:
System and method to ensure that the pressure in a hydraulic pressure system is at a pre-determined level and is maintained for a pre-determined length of time.
REFERENCES:
patent: 2757641 (1956-08-01), Meddock
patent: 2912037 (1959-11-01), Rhodes
patent: 2987886 (1961-06-01), Deering et al.
patent: 3229618 (1966-01-01), O'Connor, Jr.
patent: 3336861 (1967-08-01), Clar
patent: 3358563 (1967-12-01), Williams
patent: 3387563 (1968-06-01), Williams et al.
patent: 3869978 (1975-03-01), Steinberg et al.
Cohen Irwin C.
Marden Earle R.
Milliken Research Corporation
Petry H. William
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