Method of manufacturing retention structure for electric motor rotor magnets
US4910861A · kind A · utility
146Cited by
5References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 7, 1988 |
| Grant date | Mar 27, 1990 |
| Priority date | — |
| Expiry date | Oct 7, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49012
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved shaft mounted rotor assembly for an electric motor and method of manufacturing the same wherein a plurality of arcuate permanent magnets are positioned in angularly related adjacent positions to surround the outer periphery of a shaft mountable rotor core and a plastic molded sleeve encapsulates the exposed outer peripheral surfaces of the magnets to secure them in fast position on the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.