Air flow system for circulating air in a microwave oven

Details Air flow system for circulating air in a microwave oven Air flow system for circulating air in a microwave oven

2008-05-20

2008-05-20

Leung, Philip H. (Department: 3742)

Electric heating

Microwave heating

Enclosed cavity structure

C219S681000, C126S02100R, C126S29900R

Reexamination Certificate

active

07375310

ABSTRACT:
An air flow system in oven is provided. The structure includes: a cavity for housing food; a ventilation fan provided at an electronic equipment chamber outside of the cavity; a first intake port provided at a front and upper surface of the microwave oven; a lower barrier for partitioning a lower space of the cavity; an outlet duct provided at one side of the lower barrier, for allowing a flow of hot air using the ventilation fan; an outlet space provided at the other side of the lower barrier, for exhausting an internal air of the cavity; a plurality of front outlet ports provided at a front and lower surface of the microwave oven, for exhausting hot air of the outlet duct and the outlet space; and a communication port provided at one side of the lower barrier, for communicating the outlet duct with the outlet space.

REFERENCES:
patent: 4618756 (1986-10-01), Schwaderer et al.
patent: 5918589 (1999-07-01), Valle et al.
patent: 6344637 (2002-02-01), Lee et al.
patent: 6621058 (2003-09-01), Kim
International Search Report.

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