Ventilation – Having both inlet and outlet airways – With air pump means
Reexamination Certificate
2004-08-05
2008-03-04
Boles, Derek S. (Department: 3749)
Ventilation
Having both inlet and outlet airways
With air pump means
C454S257000, C454S261000
Reexamination Certificate
active
07338358
ABSTRACT:
Disclosed is a combination air purifier and ventilator. The air purifier in accordance with the present invention includes a case being provided on a ceiling or a wall and having a fan therein, a first passage communicating with an outside, an inside of the case and an room, having an air purifying member being provided between the inside of the case and the room, and guiding the external air into the room, a second passage communicating with the room, the fan, and the outside, and guiding the room air to the outside, and a damper provided in the case for isolating the first passage from the second passage for supplying the external air into the room and discharging the room air to the outside, or communicating with the fist and second passages to guide the room air drawn into the second passage back into the room after passing through the air purifying member.
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U.S. Appl. No. 10/911,513 to Kim et al.
English Language Abstract of JP 5-106884.
English Language Abstract of JP 6-034175.
English language Abstract of JP 9-253435.
English language Abstract of JP 2002-206778.
Kim Jeong Yong
Lee Gi Seop
Yum Kwan Ho
Boles Derek S.
LG Electronics Inc.
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