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Microwave lamp with multi-purpose rotary motor

United States Patent

February 2, 1999
View the Complete Patent at the US Patent & Trademark Office
In a microwave powered electrodeless lamp, a single rotary motor is used to a) rotate the bulb and b) provide rotary motion to a blower or pump means for providing cooling fluid to the magnetron and/or to a forced gas cooling for providing cooler gas to the bulb. The blower may consist of only of an impeller without the usual blower housing. The motor, bulb stem and bulb, or motor, bulb stem, bulb and blower may be formed as an integral unit so as to facilitate replacement.
Ury; Michael G. (Bethesda, MD), Turner; Brian (Myersville, MD), Wooten; Robert D. (Rockville, MD)
Fusion Lighting, Inc. (Rockville, MD)
08/ 592,477
January 26, 1996
This invention was made with Government support under Contract No. DE-FG01-95EE23796 awarded by the Department of Energy. The Government has certain rights in this invention.