Microwave oven feed system

Details Microwave oven feed system Microwave oven feed system

1980-05-05

1982-09-21

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

219 1055R, H05B 664

Patent

active

043508596

ABSTRACT:
A microwave oven feed system having the output probe of the magnetron inserted directly into the microwave enclosure. A rotating feed structure positioned within the enclosure couples the microwave energy from the probe into a directive radiation pattern towards the food. The feed structure may be located in a well extending from the enclosure and separated from the processing cavity by a layer of microwave transparent material, the functions of the layer being to provide thermal isolation and to provide a protective covering for the feed structure. A microwave choke around the periphery of the well prevents leakage of microwave energy from the enclosure. The choke may be elevated from the floor of the cavity to prevent food drippings and spilled soups from running into the feed structure well.

REFERENCES:
patent: 3471671 (1969-10-01), Puschner
patent: 3493709 (1970-02-01), Lavoo et al.
patent: 3746823 (1973-07-01), Whitely
patent: 3814890 (1974-06-01), Klemp et al.
patent: 3851133 (1974-11-01), Dygve et al.
patent: 4028521 (1977-06-01), Uyeda et al.
patent: 4092512 (1978-05-01), Suzuki et al.
patent: 4136271 (1979-01-01), Tanaka et al.
patent: 4165454 (1979-08-01), Carlsson et al.
patent: 4176266 (1979-11-01), Kaneko
patent: 4185181 (1980-01-01), Kaneko et al.

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