Temperature control apparatus of microwave oven and method there

Details Temperature control apparatus of microwave oven and method there Temperature control apparatus of microwave oven and method there

1996-02-28

1998-09-29

Leung, Philip H.

Electric heating

Microwave heating

With diverse-type heating

219681, 219710, 219757, 126 21A, H05B 668

Patent

active

058147942

ABSTRACT:
A microwave oven cooks in a microwave cooking mode using a magnetron, or in an oven cooking mode using a convection heater. A passage is provided for conducting outside air to the cooking chamber, and a fan is disposed in the passage for inducing the outside air flow. During the oven cooking mode, the convection heater is activated and the fan is deactivated, while the temperature in the cooking chamber is less than a reference temperature set by a user. When the temperature in the cooking chamber exceeds the reference temperature, the heater is deactivated, and the fan is activated.

REFERENCES:
patent: 3875361 (1975-04-01), Fukui et al.
patent: 4227062 (1980-10-01), Payne et al.
patent: 4309584 (1982-01-01), Terakami
patent: 4459449 (1984-07-01), Hirata
patent: 4831225 (1989-05-01), Ishifuro et al.
patent: 4886046 (1989-12-01), Welch
patent: 5128158 (1992-07-01), Chartrain et al.
patent: 5350903 (1994-09-01), Takei

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