Patent ID: 6341758
Filing Date: 2002-01-29
Classification: F16K

Abstract:
A gas control module switch mechanism, comprising:a diaphragm means including at least a first diaphragm, a second diaphragm and a seal plate located between the first and second diaphragm, the first diaphragm having a center opening, a valve body including a gas inlet pipe, a gas outlet pipe, a hollow fastening screw head which has a gas inlet opening and a gas outlet opening for communicating respectively with the gas inlet pipe and gas outlet pipe, the diaphragm means being located at the gas inlet opening, a piston means including a piston valve and a link element, the link element having one end facing the diaphragm means and being movable up or down to contact or separate from the diaphragm means through the piston valve, and a fastening means for fastening the piston means, diaphragm means and valve body together wherein the seal plate contacts a valve seat of the gas inlet opening.