Air flow system for common cavity oven

Details Air flow system for common cavity oven Air flow system for common cavity oven

1984-07-19

1985-11-26

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1055F, 219 1055M, 219400, 126 21A, H05B 672

Patent

active

045556067

ABSTRACT:
An air flow system for a back fed common cavity oven wherein a path is provided for forcing moisture purging air into the cavity during microwave operation and wherein air is forced along the path during self-cleaning to prevent the very hot air in the cavity from flowing backwards along the path. Accordingly, parts and components along the path are not subjected to the very hot self-cleaning temperatures. The path may pass through the waveguide of the microwave feed apparatus and through an aperture into the cavity.

REFERENCES:
patent: 3310046 (1967-03-01), Scott et al.
patent: 3366769 (1968-01-01), Lima
patent: 3511958 (1970-05-01), Staats
patent: 3529582 (1970-09-01), Hurko et al.
patent: 3936627 (1976-02-01), Fitzmayer
patent: 4028520 (1977-06-01), Torrey
patent: 4132878 (1979-01-01), Tachikawa et al.
patent: 4163894 (1979-08-01), Scherer
patent: 4314127 (1982-02-01), Weiss

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