Waveguide for microwave ovens

Details Waveguide for microwave ovens Waveguide for microwave ovens

1992-02-20

1994-07-12

Leung, Philip H.

Electric heating

Microwave heating

Enclosed cavity structure

295921, 219746, H05B 664

Patent

active

053290860

ABSTRACT:
Waveguide adapted to be mounted on the wall 1 of a cooking chamber between the antenna 2 of a magnetron 3 and an opening 5 provided in the wall 1, and comprising a metallic housing of generally tubular shape formed from a cover 7 comprising an upper elongated wall 8 of which a forward region extends above the wall 1 and of which a rear region extends above the magnetron 3, two side walls 9 and 10, two transverse forward 11 and rear 12 walls, and a base 13 comprising a bottom wall 14 traversed by a hole 16 for passage of the antenna 2 and opening opposite the opening 5. The cover 7 is formed from a single piece obtained by stamping and bending a metal sheet. The invention is applicable to microwave ovens for household use.

REFERENCES:
patent: 3867605 (1975-02-01), Yee
patent: 4159406 (1979-06-01), Tate et al.
patent: 4282416 (1981-08-01), White
patent: 4289945 (1981-09-01), Kristof
patent: 4427867 (1984-01-01), Dills
patent: 4701586 (1987-10-01), Hagberg
patent: 5015813 (1991-05-01), Yamada et al.

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