Fusible aquatic device that will override the failure of a defec

Details Fusible aquatic device that will override the failure of a defec Fusible aquatic device that will override the failure of a defec

1981-03-18

1982-10-12

Tapolcai, William E.

Automatic temperature and humidity regulation

Cooling radiator

Bypass

137 73, 137 74, F01P 702

Patent

active

043535011

ABSTRACT:
A thermostat for a liquid cooling system comprising a seat member having a flow opening therethrough, a closure member movable between an open position spaced from the seat member and a closed position in engagement with the seat member wherein it closes the flow opening, the closure member or the seat member having an aperture therethrough, a device for biasing the closure member to the closed position, a temperature responsive device for moving the closure member to an open position against the force of the biasing device, and a fusible plug in the closure member or seat member aperture that is adapted to melt at a predetermined temperature. In the event of failure of the temperature responsive device of the thermostat, the fusible plug will melt at the predetermined temperature and open the aperture in the closure member or the seat member to allow the flow of cooling liquid past the closure member when it is in the closed position.

REFERENCES:
patent: 1740421 (1929-12-01), Friedman
patent: 1740422 (1929-12-01), Snow
patent: 2589072 (1952-03-01), Garretson
patent: 2859031 (1958-11-01), Hansen et al.
patent: 3227144 (1966-01-01), Sigl
patent: 3490473 (1970-01-01), Ehrens et al.
patent: 3776457 (1973-12-01), Cardi
patent: 4245782 (1981-01-01), Brown

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