Valve arrangement with at least two diaphragms

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

1986-09-02

1987-11-03

Cohan, Alan

Fluid handling

Systems

Multiple inlet with multiple outlet

251 611, F16K 1110

Patent

active

047037733

ABSTRACT:
The invention relates to a diaphragm type valve assembly for a nozzle burner of a heating oil pump. This type of equipment two or more diaphragm type regulating valves or valve sections are utilized with each such valve or valve section having an individual diaphragm therefor. The improvement herein is for a valve assembly having a plurality of diaphragm type valve sections but only a single diaphragm unit is used for all of the valve sections instead of a separate diaphragm for each valve section.

REFERENCES:
patent: 3011758 (1961-12-01), McFarland
patent: 3521850 (1970-07-01), German
patent: 3889711 (1975-06-01), Hiaro
patent: 3952760 (1976-04-01), Caldwell
patent: 4244554 (1981-01-01), Dimauro

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