Two-way valve

Details Two-way valve Two-way valve

2005-08-16

2005-08-16

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

C137S493900

Reexamination Certificate

active

06929025

ABSTRACT:
A two-way valve includes a valve case with the first valve seat formed at one of two openings, the first valve member movable in the valve case for abutting against the first valve seat, and the first urging device for urging the first valve member toward the first valve seat. The first valve member includes a communication path therein and the second valve seat formed at one end portion thereof. The second valve member for abutting against the second valve seat is disposed in the communication path to block the communication path, and the second urging device is provided for urging the second valve member toward the second valve seat.

REFERENCES:
patent: 115982 (1871-06-01), Porteous
patent: 4000828 (1977-01-01), Crute et al.
patent: 4498493 (1985-02-01), Harris
patent: 5582198 (1996-12-01), Nagino et al.

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