Microwave oven antenna

Details Microwave oven antenna Microwave oven antenna

1975-03-31

1976-07-27

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

219 1055B, H05B 906

Patent

active

039719090

ABSTRACT:
The present invention is an improved antenna for radiating microwave energy in a microwave oven chamber. The improved antenna has a ground strap and shortening plate disposed a specified distance from the microwave energy feed point. The ground strap and shorting plate vectorally modify the phase angle of radiation such that the main beam of microwave energy is directed toward the cooking surface rather than toward the door and door seal. This eliminates hot spots on the door and provides for a better distribution of microwave energy within the oven chamber.

REFERENCES:
patent: 3320396 (1967-05-01), Boehm
patent: 3549849 (1970-12-01), Boehm

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