Microwave oven having a ventilator installed beside a cooking ch

Details Microwave oven having a ventilator installed beside a cooking ch Microwave oven having a ventilator installed beside a cooking ch

1999-01-21

2000-01-25

Leung, Philip H.

Electric heating

Microwave heating

Enclosed cavity structure

219681, 126 21A, 126299D, H05B 680

Patent

active

060181583

ABSTRACT:
A microwave oven has an inner casing for forming a cooking chamber, and an outer casing for enclosing the inner casing. An air duct is formed between the inner casing and the outer casing. A drawing port and an exhaust port are formed respectively on the lower and the upper sides of the outer casing, and the air duct interconnects the ports. A ventilator is installed beside the cooking chamber in the air duct. The ventilator has an axial fan rotating about a vertical axis so as to draw air into the air duct through the suction port and exhaust air in the air duct through the exhaust port. The size of the cooking chamber is not reduced by the ventilator since the ventilator is installed beside the cooking chamber, and the drawing force of gas increases to thereby enhance the ventilation effect since the ventilator is disposed near the drawing port.

REFERENCES:
patent: 4143646 (1979-03-01), Sampsel
patent: 4418261 (1983-11-01), Jailor et al.
patent: 4886046 (1989-12-01), Welch
patent: 5780822 (1998-07-01), Lee
patent: 5866886 (1999-02-01), Lange et al.

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