Pressure responsive valve

Details Pressure responsive valve Pressure responsive valve

1981-07-06

1983-04-26

Rosenthal, Arnold

Fluid handling

Line condition change responsive valves

Direct response valves

137529, 137536, F16K 1514

Patent

active

043810195

ABSTRACT:
This drip preventing valve is adapted to be installed in a conduit between the discharge outlet of an oil burner pump and the nozzle. The valve responds to the pressure in that conduit and closes whenever the pump stops, thereby preventing leakage or dripping from the nozzle. This valve consists of a body of one or more closed, flexible-walled cells, filled with air at atmospheric pressure. When the valve body is subjected to a greater pressure, it is compressed, thereby opening the valve. When that greater pressure is relieved, the valve closes.

REFERENCES:
patent: 909886 (1909-01-01), Gold
patent: 1515999 (1924-11-01), Clark
patent: 3077204 (1963-02-01), Bennett et al.
patent: 3101739 (1963-08-01), Pribonic
patent: 3498321 (1970-03-01), Barrett et al.
patent: 3560267 (1971-02-01), Guilliams
patent: 3970106 (1976-07-01), Harris

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