Patent ID: 7396390

Claim:
An oxygen enrichment apparatus comprising: a main body having an oxygen enriching unit for generating oxygen-enriched air; a suction unit for suctioning the oxygen-enriched air from the oxygen enriching unit; a discharge unit for discharging the oxygen-enriched air from the suction unit; and a control unit for controlling the operation of the suction unit, wherein the oxygen enriching unit has at least one oxygen enriching membrane for generating the oxygen-enriched air and a condensed water treating unit is installed at an air passage for guiding the oxygen-enriched air from the oxygen enriching unit to the discharge unit via the suction unit, wherein a fan is installed in the main body for supplying air around the oxygen enriching membrane, and the oxygen enriching membrane is of a substantially rectangular shape, a short side thereof being disposed substantially parallel to a direction of flow of the air supplied by the fan.