Temperature controlled valve mechanism and method

Details Temperature controlled valve mechanism and method Temperature controlled valve mechanism and method

F - Mech Eng,Light,Heat,Weapons

16

T

236/2

F16T 1/02 (2006.01) F16L 55/00 (2006.01)

Patent

CA 1173413

Abstract of the Disclosure The invention provides a temperature controlled valve mechanism, which includes a valve housing having a valve inlet for connection with a fluid source. A valve outlet in the housing is used for draining fluid from the housing. Valve closure members are supported for movement toward and away from the valve outlet between closed and open positions, the valve closure members blocking and closing the valve outlet when in the closed position. Biasing means urge the valve closure member away from the closed position. Means defining an expansion chamber are provided in the housing, including means for moving the valve closure member to the closed position against the force of the biasing means upon entry of a pressurized medium into the expansion chamber. The valve mechanism further includes temperature activated venting means for venting and repressurizing the expansion chamber upon occurrence of a predetermined temperature. The venting of the expansion chamber causes the biasing means to rapidly move the valve closure member from the closed position, causing the valve mechanism to be opened.

359006

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