Prestressed bearing for electrical machines
US7237962B2 · kind B2 · utility
9Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2003 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Nov 16, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/081
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to an electrical machine 1, in particular an electric motor, with a housing 2 and covers 3, 4 that close the housing 2 and contain bearings 7, 8 that rotatably support a rotor 5. According to the present invention, spring elements 7.3, 8.3 are provided that act upon at least one bearing shell 7.1, 7.2, 8.1, 8.2 each of bearings 7, 8 with a compression force acting in the axial direction, whereby the mounting of the bearing shell 7.1, 7.2, 8.1, 8.2 that is acted upon by one of the spring elements 7.3, 8.3 is configured as a sliding fit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.