Flow regulation valve

Details Flow regulation valve Flow regulation valve

1987-07-28

1989-03-07

Rosenthal, Arnold

Valves and valve actuation

Heat or buoyancy motor actuated

236 68R, 236 93R, 236101E, F16K 3102

Patent

active

048099473

ABSTRACT:
The regulating valve has a heat responsive extension element which is prestressed and which extends crosswise of the gas line. The extension element biases the valve body into sealing engagement with the valve seat to maintain the valve in a normally closed position. Due to the slight deflection of the extension element, the thermal length variation of the extension element is transformed into an approximately 100-fold stroke of the valve body relative to the valve seat. The control accuracy of the valve is considerably increased.

REFERENCES:
patent: 669474 (1901-03-01), Broad
patent: 1643451 (1927-09-01), Hickman
patent: 1681911 (1928-08-01), Spencer
patent: 1814045 (1931-07-01), Kay
patent: 2037684 (1936-04-01), Hegwein
patent: 2232934 (1941-02-01), Baak
patent: 3450344 (1969-06-01), O'Brian
patent: 3745984 (1973-07-01), King
patent: 3790077 (1974-02-01), Wisyanski et al.
patent: 3856259 (1974-12-01), Doherty, Jr.

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