Check valve
AssigneeTLV Co., Ltd.
InventorMasahisa HIROTANI
Life of this patent
Estimating the term…
Abstract
A check valve includes a plate-shaped valve seat member provided with a fluid discharge port, a plate-shaped valve member provided on a downstream side of the valve seat member and configured to open/close the discharge port, a coil spring provided on a downstream side of the valve member and configured to bias the valve member toward the discharge port, a spring receiving member provided for the coil spring on a downstream side thereof, and a plurality of guide rods provided at the periphery of the valve member and formed to extend in an upstream-to-downstream flow direction, each having a downstream end portion attached to the spring receiving member, and configured to guide the valve member in the upstream-to-downstream flow direction.
Claims2
A check valve comprising:
- a valve seat member provided with a fluid circulation port;
- a plate-shaped valve member provided on a downstream side of the valve seat member and configured to open/close the circulation port;
- a spring provided on a downstream side of the valve member and configured to bias the valve member toward the circulation port;
- a spring receiving member provided for the spring on a downstream side thereof;
- and
- a plurality of guide rods
- provided at a periphery of the valve member and formed to extend in an upstream-to-downstream flow direction,
- each having a downstream end portion attached to the spring receiving member, and
- configured to guide the valve member in the upstream-to-downstream flow direction.
Dependencies are inferred from the claim text.