F - Mech Eng,Light,Heat,Weapons – 01 – P
Patent
F - Mech Eng,Light,Heat,Weapons
01
P
236/6
F01P 7/16 (2006.01)
Patent
CA 1173807
A FUSIBLE AQUATIC DEVICE THAT WILL OVERRIDE THE FAILURE OF A DEFECTIVE THERMOSTAT OR THE LIKE WITHIN A MOTOR ABSTRACT OF THE DISCLOSURE 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 engage- ment 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. In another embodiment, the closure or seat member is provided with a plurality of apertures having fusible plugs therein that are fusible at different tempera- tures to more closely control engine temperature.
405066
Brown George
Swabey Ogilvy Renault
LandOfFree
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