Halogen lamp with high temperature sensing device

Details Halogen lamp with high temperature sensing device Halogen lamp with high temperature sensing device

1999-01-15

2000-12-05

Philogene, Haissa

Electric lamp and discharge devices: systems

With load device temperature modifier

Load device circuit controlled by the temperature modifying...

315104, 315158, 362410, 362418, H01J 724

Patent

active

061571350

ABSTRACT:
A lighting device including a temperature sensing device for controlling the operation of the light emitting device. The lighting device includes a housing, a reflector coupled to the housing, a bulb received in the housing, the bulb being connected to a source of electrical power, and a capillary tube thermostat received in the housing. The capillary tube is an elongated metal member having a hollow center filled with a vacuum charged fluid. The fluid is calibrated to open the thermostat between 150.degree. F. and 350.degree. F. The capillary tube thermostat is in electrical communication with the power source and is supported by the housing in thermal communication with the bulb. The thermostat extends along at least a portion of the length of the bulb. The thermostat is also in thermal communication with the reflector, and thus will open the thermostat contacts if an overheat condition is detected at either the bulb or the reflector.

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Therm-O-Disc Special Purpose Temperature Controls home page on the World Wide Web.

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