Patent ID: 6851928
Filing Date: 2005-02-08
Classification: A47L

Abstract:
1. A bypass blower motor assembly comprising: a motor including a shaft and a fan end bracket supporting a bearing for the shaft; a diffuser plate fitted to the fan end bracket; an impeller fixed to the shaft for rotation therewith; and an impeller housing having an inlet opening and a plurality of outlet openings, wherein the impeller is axially located between the inlet and outlet openings operable to create an air flow there-between and the diffuser plate has a plurality of peripheral vanes arranged to direct the air flow from the impeller to the outlet openings, and each vane has a first blade, which is curved in the axial direction to direct the air flow axially away from the impeller and circumferentially to align with respective outlet openings, and a second blade having a front surface and a rear surface extending from a periphery of the diffuser plate to direct the air flow radially outwardly through the outlet openings.