Protective inlet for gas regulator valve housing

Details Protective inlet for gas regulator valve housing Protective inlet for gas regulator valve housing

1979-05-23

1981-05-19

Schwadron, Martin P.

Fluid handling

With means for separating solid material from the fluid

Planar strainer normal to flow path

137 66, B01D 4610

Patent

active

042678595

ABSTRACT:
There is disclosed a gas valve for use in gas-fired appliances such as space and water heaters in which the gas inlet port of the valve housing has a permanently installed protective screen. The protective screen shields against debris and other foreign material which, in its absence, can be discharged into the interior chamber of the valve housing and, additionally, serves as a deterrent to insertion of tools and levers into the valve inlet port by workmen and owners during installation and servicing of the valve. If such insertion occurs with a valve having the permanently installed protective screen of the invention, the screen will be ruptured and there will be a permanent indication that the valve seat or valve member may be damaged by the tool.

REFERENCES:
patent: 1574336 (1926-02-01), Blydenburgh
patent: 1712056 (1929-05-01), Stombaugh
patent: 2642261 (1953-06-01), Gates
patent: 2854998 (1958-10-01), MacGlashan, Jr. et al.
patent: 3002519 (1961-10-01), Wright et al.
patent: 3451407 (1969-06-01), Fairley et al.
patent: 3505793 (1970-04-01), Haskins
patent: 3515305 (1970-06-01), Weber et al.
patent: 3763879 (1973-10-01), Jaworek
patent: 4205972 (1980-06-01), Visos et al.

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