Ventilation – Having forced recirculation – Including unitary housing having both inlet and outlet airways
Reexamination Certificate
2006-03-14
2006-03-14
Joyce, Harold (Department: 3749)
Ventilation
Having forced recirculation
Including unitary housing having both inlet and outlet airways
C165S009300, C454S235000
Reexamination Certificate
active
07011577
ABSTRACT:
Ventilating system including a case mounted on a ceiling of a room, an inlet in a bottom surface of the case, and an outlet in a side surface of the case, a partition for dividing the case into an upper space, and a lower space, a fan in the upper space of the case, for drawing room air through the inlet, and discharging through the outlet, a filter assembly at the outlet for purifying air being discharged to the room, a first duct in communication with the upper space of the case for guiding outdoor air into the case, and a second duct in communication with the lower space of the case for guiding the room air introduced into the case to an outside of the room, thereby providing a ventilating system having an air purifying function.
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Joyce Harold
LG Electronics Inc.
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