Apparatus for air purifying and ventilating

Ventilation – Having both inlet and outlet airways – With air pump means

Reexamination Certificate

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Details

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.

REFERENCES:
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patent: 5290200 (1994-03-01), Kiser
patent: 5564626 (1996-10-01), Kettler et al.
patent: 5590830 (1997-01-01), Kettler et al.
patent: 5597354 (1997-01-01), Janu et al.
patent: 5707005 (1998-01-01), Kettler et al.
patent: 6149698 (2000-11-01), Uehara
patent: 6328776 (2001-12-01), Shanks et al.
patent: 6398118 (2002-06-01), Rosen et al.
patent: 6743091 (2004-06-01), Meneely, Jr.
patent: 6790136 (2004-09-01), Sharp et al.
patent: 1320047 (1993-07-01), None
patent: 0838639 (1998-04-01), None
patent: 1132690 (2001-09-01), None
patent: 5-106884 (1993-04-01), None
patent: 6-034175 (1994-02-01), None
patent: 9-253435 (1997-09-01), None
patent: 2002-206778 (2002-07-01), None
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.

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