Fluid control valve

Details Fluid control valve Fluid control valve

1988-09-02

1989-12-26

Hepperle, Stephen M.

Fluid handling

Systems

Multiple inlet with single outlet

13762531, 251175, 251185, F16K 514, F16K 1122

Patent

active

048891622

ABSTRACT:
A water tap has a closure member in the form of a rubber or like cup 34 located in a chamber in carrier 32. The base of the cup extends across the port 28 which is to be closed when the tap is in "off" condition and the base of the cup has a hole 38 registered with the port in that off condition. Hence water can flow into the cup and the water pressure in the cup acts to hold the cup on the seat whereas pressure in the port acts against the base of the cup in the opposite direction but on a smaller area of cup. Hence the higher the water pressure the better the seal.

REFERENCES:
patent: 924861 (1909-06-01), Ward
patent: 3967811 (1976-07-01), Keller
patent: 4074697 (1978-02-01), Saether
patent: 4126296 (1978-11-01), Skor et al.
patent: 4331176 (1982-05-01), Parkison
patent: 4360040 (1982-11-01), Cove et al.
patent: 4573493 (1986-04-01), Hammarstedt

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