Patent · US Expired

Drive unit

US6171079A · kind A · utility

9Cited by
4References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 1998
Grant dateJan 9, 2001
Priority date
Expiry dateDec 11, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K5/24
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A drive unit for a radial blower has an electric motor including a driven shaft with a bearing for said driven shaft, and a motor housing provided with bearing pins which coaxially project at an end side of the motor housing and surrounds the bearing, a housing which receives the electric motor and has holders engaged in the bearing pins, at least one damping element composed of an elastic material and inserted between one of the bearing pins and one of the holders to radially and axially support the electric motor, the damping element being composed of a plurality of roller bodies having radially oriented body axes, the roller bodies being offset relative to one another and connected with one another with substantially constant distances there between.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.