Check valve and fuel tank utilizing the same

Details Check valve and fuel tank utilizing the same Check valve and fuel tank utilizing the same

1996-03-18

1998-12-22

Chambers, A. Michael

Fluid handling

Systems

System with plural openings, one a gas vent or access opening

137540, 13754317, 137592, F16K 2104

Patent

active

058508511

ABSTRACT:
A check valve (32) includes a cylindrical body (32) and a valve plate (32) attached to one end of the body (32) to open and close a flow outlet. A stepped seat element (36a) having a seat surface (36a) is formed along the periphery of the flow outlet of the body (40). The valve plate (40) is press-cut from a thin stainless steel plate to be integrally formed as a leaf spring. The valve plate includes a leaf element movable with respect to the seat surface so as to close and open the flow outlet, an arm element (41) coupled to the leaf element (41) via a joint element, and a base element connected to the arm element and received by a valve support projection on the cylindrical body.

REFERENCES:
patent: 1244286 (1917-10-01), Breinl
patent: 1385147 (1921-07-01), Prellwitz
patent: 1615279 (1927-01-01), Iversen
patent: 3788071 (1974-01-01), Brewer
patent: 3911949 (1975-10-01), Hilden et al.
patent: 4164238 (1979-08-01), Riedel
patent: 4726395 (1988-02-01), Howes et al.

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