Self-cleaning filter assembly for solenoid-actuated valve

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

1981-01-05

1982-11-23

Walton, George L.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137549, 210390, 210413, 251 30, B08B 100, F16K 3102, F16L 5524

Patent

active

043600379

ABSTRACT:
An improved self-cleaning filter assembly for use in a solenoid-actuated valve of the type having a fluid pressure-operated diaphragm to control opening and closing of the valve. Control fluid under pressure is admitted from an inlet chamber of the valve into a control chamber at one side of the diaphragm to maintain the valve in a closed position, and this fluid pressure in the control chamber is relieved by actuation of a solenoid to open the valve. The self-cleaning filter assembly comprises a relatively rigid filter element for filtering the control fluid and a plurality of scraper blades mounted for scraping dirt, grit, or the like from the filter element each time the valve is opened or closed.

REFERENCES:
patent: 1199350 (1916-09-01), Collin
patent: 2532568 (1950-12-01), Myers
patent: 2573369 (1951-10-01), Snoddy
patent: 2606663 (1952-08-01), Blackman et al.
patent: 4081171 (1978-03-01), Morgan et al.

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