Patent ID: 6570820
Filing Date: 2003-05-27
Classification: F16K,G01V

Abstract:
A valve assembly comprising:(a) a valve housing having a first sealing surface; (b) a poppet having a first end adapted for sealing engagement with the first sealing surface; (c) a fluid chamber within the housing for containing a fluid under pressure, the fluid chamber having a fluid passage connecting the fluid chamber to a second end of the poppet at a second sealing surface disposed between the second end of the poppet and the fluid passage, the fluid in the fluid chamber and the fluid passage exerting a predetermined pressure on each of the first and second sealing surfaces defining a pressure differential; (d) an exit port in the housing for releasing the fluid; and (e) an inertial mass movably coupled to the poppet for moving the poppet from a sealed position to an open position.