Self-cleaning filter assembly for solenoid-actuated valves

Details Self-cleaning filter assembly for solenoid-actuated valves Self-cleaning filter assembly for solenoid-actuated valves

1976-06-07

1978-03-28

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

137549, F16k 3102

Patent

active

040811719

ABSTRACT:
A self-cleaning filter assembly for use in a solenoid-actuated valve of the type having fluid pressure-operated diaphragm to control opening and closing of the valve, the diaphragm operating in response to fluid pressure admitted from the inlet chamber of the valve into a control chamber to maintain the valve in a closed position, and when the fluid pressure in the control chamber is relieved by actuation of the solenoid, to open the valve. The self-cleaning filter assembly filters control fluid admitted to the control chamber, and comprises a filter element cleaned by a brush each time the valve is opened or closed, thereby to prevent clogging of the filter during use.

REFERENCES:
patent: 1199350 (1916-09-01), Collin
patent: 2373654 (1945-04-01), Beekley et al.
patent: 2544016 (1951-03-01), Getz
patent: 2573369 (1951-10-01), Snoddy
patent: 2710162 (1955-06-01), Snoddy
patent: 2882006 (1959-04-01), Reinecke
patent: 3112094 (1963-11-01), Nees et al
patent: 3460798 (1969-08-01), Carsten
patent: 3821967 (1974-07-01), Sturman et al.

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