Valve arrangement with at least two diaphragms

Details Valve arrangement with at least two diaphragms Valve arrangement with at least two diaphragms

1987-08-07

1988-03-08

Cohan, Alan

Pumps

With condition responsive pumped fluid control

Plural paths having individual condition responsive control...

417310, 417308, 137597, F04B 2102

Patent

active

047297212

ABSTRACT:
The invention relates to an oil pump unit for a nozzle burner that includes a diaphragm type valve assembly located between a pump housing and a cover removably mounted by the pump housing. The valve assembly includes two or more diaphragm regulating valves or valve sections having an individual diaphragm therefor. The cover and housing together with the valve assembly defining a fluid circuit for controlling the flow oil to the burner nozzle conduit.

REFERENCES:
patent: 3011758 (1961-12-01), McFarland
patent: 3952760 (1976-04-01), Caldwell
patent: 4400139 (1983-08-01), Masuda

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