Patent ID: 7431753

Claim:
An oxygen enrichment apparatus comprising: a main body including an oxygen enriching unit and a pump unit for supplying oxygen-enriched air obtained by the oxygen enriching unit to a predetermined place, the oxygen enriching unit being disposed above the pump unit; a ventilating unit for suctioning exterior air into the main body and discharging the exterior air out of the main body after supplying the exterior air into the oxygen enriching unit; a control unit for controlling the pump unit and the ventilating unit; a resilient member for elastically supporting a lower portion of the pump unit; and an additional resilient member for elastically supporting the pump unit at left, right and front sides thereof; wherein the ventilating unit and the control unit are installed in the main body, and the main body further includes therein a secondary battery serving as a power supply for supplying a power to the pump unit, the ventilating unit and the control unit.