Combination hood and microwave oven

Details Combination hood and microwave oven Combination hood and microwave oven

2005-05-03

2005-05-03

Van, Quang T. (Department: 3742)

Electric heating

Microwave heating

With specific generator

C219S757000, C219S751000

Reexamination Certificate

active

06888117

ABSTRACT:
A combination hood and microwave oven, in which the construction of a drive circuit relating to an exhaust device is simplified, reducing its manufacturing cost, and in which the number of user's manipulations required to operate the exhaust device is reduced, providing convenience of use to the user. The combination hood and microwave oven includes a variable suction hole whose suction area is variable, a variable suction hole motor allowing a suction area of the variable suction hole to vary, an exhaust motor allowing air sucked through the variable suction hole to be discharged outside the combination hood and microwave oven, an exhaust motor drive unit controlling a rotational speed of the exhaust motor, and a variable suction hole adjusting unit that controls the variable suction hole motor to allow a suction area of the variable suction hole to vary according to the rotational speed of the exhaust motor.

REFERENCES:
patent: 3356008 (1967-12-01), Simpson et al.
patent: 4143646 (1979-03-01), Sampsel
patent: 4502375 (1985-03-01), Hignite et al.
patent: 6291809 (2001-09-01), Ha
patent: 6335521 (2002-01-01), Jeong et al.
Korean Patent Abstract for Publication No. 1997-11181, published Jul. 8, 1997.
Korean Patent Abstract for Publication No. 2002-27151, published Apr. 13, 2002.

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