Patent ID: 6244294
Filing Date: 2001-06-12
Classification: F01P,F16K,Y10T

Abstract:
A radiator pressure relief valve for transferring fluid from a radiator to an overflow bottle to relieve pressure in the radiator, the valve comprising:a housing having an internal chamber, the housing having an inlet and an outlet communicating with the chamber;a valve member located within the housing adjacent to the inlet, the valve member being movable with respect to the inlet and adapted to prevent fluid flow from the inlet to the chamber when the valve member is positioned against the inlet;a support pin located within the housing and movable with respect to the valve member, the support pin having a first position where the support pin is in contact with the valve member and inhibits movement of the valve member and a second position where the support pin is spaced apart from the valve member; anda secondary spring mounted within the housing for biasing the valve member away from the support pin.