Patent ID: 6286536
Filing Date: 2001-09-11
Classification: F16K,F17C,Y10T

Abstract:
A safety device for an apparatus under gas pressure, comprising:a housing having an overflow channel in fluid communication with an apparatus under pressure, and an outlet port;a thermal trigger unit received in the housing and including a rupture element, wherein the thermal trigger unit includes a sleeve, said rupture element having a bulbed configuration and including a spherical portion and a necking, whereby the necking engages the sleeve which is formed with a circumferential contact shoulder conforming to the configuration of the spherical portion; anda closure member moveable from a ready position, in which the closure member is so acted upon by the rupture element that a guide shaft of the closure member projects into and seals the overflow channel, to a release position, in which the overflow channel is cleared for fluidly connecting the apparatus with the outlet port.