Drive unit
US6171079A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 1998 |
| Grant date | Jan 9, 2001 |
| Priority date | — |
| Expiry date | Dec 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.