Control valve unit for the cylinder of a fluid actuator

Details Control valve unit for the cylinder of a fluid actuator Control valve unit for the cylinder of a fluid actuator

1982-07-29

1985-05-21

Chambers, A. Michael

Fluid handling

Systems

Supply and exhaust

137596, 137599, 137637, 91 6, 91 31, 307 10R, F15B 1104, F16K 3102

Patent

active

045180113

ABSTRACT:
A control valve cartridge which may be seated within the end plate of an actuator cylinder has a number of two way, two position solenoid valves placed in series axially and by way of which the space on each side of the piston may be connected by a respective control valve cartridge with a high pressure source or a low pressure source so as to give a programmable choke function.

REFERENCES:
patent: 2999482 (1961-09-01), Bower
patent: 3026905 (1962-03-01), Nilsson
patent: 3038449 (1962-06-01), Murphy, Jr. et al.
patent: 3081942 (1963-03-01), Maclay
patent: 3746041 (1973-07-01), Friedland
patent: 3785389 (1974-01-01), Friedland et al.
patent: 3874407 (1975-04-01), Griswald
patent: 3905394 (1975-09-01), Jerde

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