Method of making a permanent magnet rotor
US5345669A · kind A · utility
37Cited by
58References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1993 |
| Grant date | Sep 13, 1994 |
| Priority date | — |
| Expiry date | Aug 12, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49012
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A permanent magnet rotor includes a rotor core having an axis of rotation and longitudinally extending radially projecting ribs. A plurality of arcuate magnetic elements are retained against an outer surface of the rotor by a cylindrical shell such that each magnet is disposed between a pair of the ribs. A hardenable adhesive is interposed between the outer surface of the core and the magnets and cooperates with the ribs and magnets to prevent rotational slippage of the magnets relative to the core during rotation of the rotor. Various embodiments utilize different techniques for retaining the components in assembled relation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.