Patent ID: 7922152
Filing Date: 2011-04-12
Classification: F16K,Y10T

Abstract:
1. A valve element opening/closing device comprising: a main body which is formed with a space in an inside of the main body; an inflow pipe which is connected to the main body for flowing fluid into the space; an outflow pipe which is connected to the main body for flowing the fluid out from the space; a valve element for opening and closing a flow passage through which the fluid flows from the inflow pipe to the outflow pipe through the main body; and a drive part for driving the valve element to open and close the flow passage; wherein the valve element, which is moved by the drive part to be in an open state or in a close state, is arranged on an inflow pipe side with respect an opening of the main body to which the inflow pipe is connected; the linearly moving mechanism part comprises: an urging member for urging the valve element in a closing direction of the valve element; wherein the valve element opening/closing device further comprises: wherein the linearly moving mechanism part comprises: