Patent ID: 8137082

Claim:
An air blower comprising: an electrically powered motor and impeller assembly including a motor housing; a blower housing comprising first and second housing structures, each having inwardly facing, spaced ribs, and configured to support the electrically powered motor and impeller assembly in an assembled configuration; a sealing gasket including a flange portion captured between respective mating flange surfaces of the first and second housing structures and a tubular gasket portion extending into the second housing structure, into which the motor housing is fitted; the inwardly facing, spaced ribs of each of the first and second housing structures configured to determine the radial and axial position of the motor housing inside the blower housing, with the sealing gasket providing sealing between the first and second housing structures; and wherein the tubular gasket portion has a longitudinal length to extend past the motor housing and has a plurality of slots formed at a distal end, and wherein the inwardly facing, spaced ribs of the second housing structure are configured to contact the tubular gasket portion of the sealing gasket to roll the distal end of the sealing gasket over an end of the motor housing.