Patent ID: 8327876
Filing Date: 2012-12-11
Classification: F16F,F16K,Y10T

Abstract:
1. A fluid controller comprising a diaphragm which partitions an inside of the fluid controller into a valve chamber and a control chamber, a valve seat and a valve element which are provided in the valve chamber, and a pressure-setting spring provided in the control chamber, the fluid controller being adapted to move the valve element with respect to the valve seat for controlling a pressure of a fluid through a change of balance between a fluid pressure acting on the diaphragm and an elastic force of the pressure-setting spring, wherein one or more vibration prevention members are placed in a movable member which moves integrally with the diaphragm, and a center portion of the movable member is formed to be a portion for receiving the pressure-setting spring, and the vibration prevention member is secured to an outer peripheral edge portion of the movable member, and the vibration prevention members include a casing which incorporates therein a weight member interposed between elastic members, exerting an elastic force in the same directions as the pressure-setting spring.