Patent ID: 6131599
Filing Date: 2000-10-17
Classification: F16K,Y10S,Y10T

Abstract:
A pressure responsive valve assembly comprising:a housing having an inlet and an outlet and a valve seat therein;a rupture disk presenting a rounded inner face and an outer face; andan actuating unit including an elongated actuator rod at least partially located within said housing, an actuator element adjacent the inner face of said rupture disk and operably coupled with said rod, said element presenting a rounded end adjacent said rounded inner face, and a pressure-responsive valve member operably coupled with said rod, engageable with said valve seat, and positioned to experience the pressure conditions at said inlet,said valve member and rod shiftable in response to an elevation in pressure at said inlet above a predetermined maximum to cause said valve member to move relative to said valve seat to establish or close communication between said inlet and said outlet, and also to cause said actuator element to move and rupture said disk, with said actuator element extending through the ruptured disk.