Patent ID: 6129508
Filing Date: 2000-10-10
Classification: F04D

Abstract:
A side channel compressor, comprising:a housing;a hub mounted onto a drive shaft;an impeller which is rotatably arranged within the housing of the compressor, the impeller having a support ring that has transport blades, the support ring being mounted onto the hub and, at least on one side, projecting axially beyond the hub, which bears the support ring and connects it to the drive shaft;a radially extending sealing ring in the region of the support ring, which butts against an inner circumference of the axially projecting part of the support ring and which seals a gap located between the impeller and the housing;a retaining ring for retaining the sealing ring clamped against an abutment surface provided on the housing, wherein a centering border which aligns the sealing ring is provided on the abutment surface.