Patent ID: 6296459
Filing Date: 2001-10-02
Classification: F04D

Abstract:
An electric air pump comprising:an outer housing having an air intake port and an air exhaust port;an electric motor mounted within said outer housing, said electric motor having a rotating output shaft;a plurality of air impellers each having a plurality of fins and each parallel mounted on said rotating output shaft for drawing a volume of air through said air intake port and across said electric motor; andan air compressor chamber positioned between and in mechanical communication with said electric motor and said air impellers and being stationarily mounted to said electric motor, said air compressor chamber having a plurality of centrifugal channels for directing said air through a plurality of windows and a corresponding plurality of triangular depressions to said air impellers, said air impellers compressing and exhausting said air through said air exhaust port for providing a supply of pressurized air.