Electric heating – Microwave heating – Enclosed cavity structure
Reexamination Certificate
2005-12-13
2005-12-13
Leung, Philip H. (Department: 3742)
Electric heating
Microwave heating
Enclosed cavity structure
C219S702000, C219S707000, C126S29900R, C126S29900R
Reexamination Certificate
active
06974937
ABSTRACT:
Disclosed is an apparatus for exhausting pollutant for a microwave oven, the apparatus comprising: a sensor part formed at a predetermined portion of the microwave oven, for detecting fumes and/or moisture contained in polluted air generated during a cooking process; a controller for determining whether or not amount of the fumes and/or moisture detected by the sensor part is greater than a predetermined reference value; and a fan driving part operated, when the amount detected by the controller is greater than the reference value, by a driving signal from the controller and allowing air containing the pollutant to be inhaled and then removed from an interior.
REFERENCES:
patent: 5074281 (1991-12-01), Fluhrer et al.
patent: 6104016 (2000-08-01), Lee
patent: 6142142 (2000-11-01), Woodall et al.
patent: 6170480 (2001-01-01), Melink et al.
patent: 6484713 (2002-11-01), Schmitt et al.
patent: 6578569 (2003-06-01), Liese
Birch & Stewart Kolasch & Birch, LLP
Leung Philip H.
LG Electronics Inc.
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