Patent ID: 7473071
Filing Date: 2009-01-06
Classification: F04D

Abstract:
1. A vacuum cleaner comprising: a housing enclosing a suction chamber and a motor compartment; a dividing wall separating the suction chamber from the motor compartment and including an air-directing funnel; an electric motor disposed within the motor compartment; a centrifugal blower wheel rotationally driven by the motor; a blower housing having a inflow opening and an inner side and being configured to form a directed air stream, said blower housing surrounding said centrifugal blower wheel, said centrifugal blower wheel and said inner side of said blower housing defining an air gap therebetween; and a seal body having an inner sealing ring surrounding the inflow opening and a buffer part extending radially outwardly from the sealing ring toward an outer periphery, the seal body forming a seal between the blower housing and the dividing wall and the seal body being disposed in the inflow opening and substantially filling said air gap between the centrifugal blower wheel and the inner side of said blower housing.