Diaphragm valve structure

Details Diaphragm valve structure Diaphragm valve structure

1995-06-20

2000-08-22

Lee, Kevin

Valves and valve actuation

Reciprocating valve

Diaphragm

251117, F16K 717

Patent

active

061059331

ABSTRACT:
A diaphragm valve comprises a body with an inflow passage and an outflow passage for fluid, a valve seat disposed around said inflow passage, and a diaphragm which are disposed on said valve seat and opens and closes between said inflow passage and said outflow passage, and a gas flow hole which connects said inflow passage to said outflow passage is disposed in said valve seat.

REFERENCES:
patent: 1670318 (1928-05-01), Shaff
patent: 1695848 (1928-12-01), Higgins
patent: 1883240 (1932-10-01), Phelan
patent: 4545565 (1985-10-01), Sano et al.
patent: 4828219 (1989-05-01), Ohmi et al.
patent: 5092561 (1992-03-01), Moriuchi et al.
patent: 5186434 (1993-02-01), Nishimura et al.

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