Electricity: electrical systems and devices – Safety and protection of systems and devices – Circuit interruption by thermal sensing
Patent
1998-10-19
1999-11-02
Leja, Ronald W.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Circuit interruption by thermal sensing
315309, H02H 504
Patent
active
059781963
ABSTRACT:
A thermal protection system for use with a lighting fixture includes a temperature-sensitive switch responsive to the ambient temperature which may have a rating less than that of the lamp. The temperature-sensitive switch controls the operation of a suitably higher rated control device connected to the lamp to turn the lamp off when the ambient temperature above the thermal switch exceeds a predetermined level.
REFERENCES:
patent: 3697863 (1972-10-01), Kilner
patent: 4713721 (1987-12-01), Pelonis
Leja Ronald W.
Lightolier
LandOfFree
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