Patent ID: 9334975
Filing Date: 2016-05-10
CPC Classification: F16K,Y10T

Claim Text:
1. A residual pressure release valve comprising: a body including first and second ports through which a pressure fluid is supplied and discharged, and a third port that communicates with the first and second ports through a communication chamber; a valve mechanism including a valve plug disposed inside the body for switching a flow-through condition of the pressure fluid between the first through third ports, and an operating unit for operating the valve mechanism; converting means disposed rotatably with respect to the body between the operating unit and the body for converting rotational movement of the operating unit into linear movement and transferring the linear movement to the valve plug; wherein the converting means includes a pin inserted through the valve plug, and a cylindrical shaped cam ring including an inclined groove therein for guiding the pin, the cam ring including two divided bodies separable from each other in a radial direction; and a pin groove formed in the body, which pin groove extends along an axial direction of the body and through which the pin is inserted.