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Combination-microwave-thermal-oven-thermostat

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Combination microwave-thermal oven thermostat

Details

Inventors: Baron, David A.;
Assignee: Litton Systems, Inc. (Beverly Hills, CA)
Primary Examiner: Swisher; S. Clement
Assistant Examiner:
Attorney, Agent or Firm: Lowe; Robert E.

A thermostat adapted for use in a combination microwave/thermal oven is disclosed wherein at least the outer surface of the thermostat bulb is an electrically conductive metal of the type that is either oxidation resistant or which forms a metal oxide which has a low loss tangent at the microwave frequency employed in the oven.

DETAILED DESCRIPTION It is accordingly an object of the present invention to provide a thermostat bulb for combination cooking which bulb will remain accurate in a microwave environment.
A further object of the invention is to provide a thermostat bulb for use in combination cooking wherein the bulb is of a material or coated with a material which experiences little induced heating in a microwave environment.
Other objects and advantages of the present invention will become obvious as the description of the invention proceeds.
The present invention provides a thermostat bulb for use in a combination cooking environment wherein the bulb will remain relatively unaffected by microwave frequency energy.
The bulb is provided with an outer skin or surface portion of an electrically conductive metal of the type which is either oxidation resistant or which forms an oxide having a low loss tangent at microwave frequencies.

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