Check valve

Abstract

A check valve of the present disclosure is disclosed. The check valve provided in a bore of a modulator block having an inlet passage and an outlet passage to control the one-way flow of oil comprises a valve housing having an upper portion opened and a seat portion formed integrally with a lower portion of the valve housing and having an inlet port communicating with the inlet passage, and an outlet port communicating with the outlet passage formed around a side circumference; a cap to seal the open upper portion of the valve housing and to be secured to the modulator block; a plunger movable up and down in the valve housing to open and close an internal flow passage between the inlet port and the outlet port; an elastic member provided between the cap and the plunger and elastically pressing the plunger against the seat portion; a sealing member installed on the plunger and brought into close contact with the seat portion when the plunger contacts the seat portion to close the internal flow passage; and an anti-jamming member provided between the sealing member and a contact surface to prevent the sealing member deformed by hydraulic pressure from being caught in the contact surface between the plunger and the seat portion.

Dependencies are inferred from the claim text.