Two-way valve
AssigneeNifco Inc.
InventorHiroji Sato
Life of this patent
Estimating the term…
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.
Claims10
A two-way valve, comprising:
- a valve case having two openings and a first valve seat formed at one of the two openings;
- a first valve member movably disposed in the valve case for closing the one of the two openings upon abutting against the first valve seat, said first valve member having a communication path with two ends therein and a second valve seat formed at one of the two ends of the communication path;
- a first urging device disposed in the valve case for urging the first valve member toward the first valve seat;
- a second valve member disposed in the valve case and having a head portion located outside the first valve member for closing the communication path upon abutting against the second valve seat from outside the first valve member;
- and
- a second urging device disposed in the valve case for urging the second valve member toward the second valve seat at the communication path.
Dependencies are inferred from the claim text.