H - Electricity – 05 – B
Patent
H - Electricity
05
B
340/157, 315/71
H05B 39/00 (2006.01) H01H 37/00 (2006.01)
Patent
CA 1236515
HEAT FLOW DETECTOR FOR RECESSED INCANDESCENT FIXTURES ABSTRACT OF THE DISCLOSURE A heat flow detector is described which measures a predetermined rate of heat flow in its surroundings. The surroundings being in the proximity of a recessed incandescent fixture which is designed to operate safely in the designated environment. Should the operating environment change for the fixture it will be sensed by the heat flow detector. If the operating environment becomes more dangerous so that a fire or other damage may occur the heat flow sensor will turn the incandescent lamp off and on at a flow rate to indicate the changed operating environment. The heat flow detector will cause a slow turn off and on if an oversize lamp is inserted in the incandescent fixture. The heat flow detector will then prevent an overheated condition due to an incorrect bulb.
430272
Brenner Stanley S.
Johnson George E.
Pearse James N.
Leviton Manufacturing Company Inc.
Sim & Mcburney
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