Flux focussed DC motor and method for assembly
US4322646A · kind A · utility
33Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 29, 1980 |
| Grant date | Mar 30, 1982 |
| Priority date | — |
| Expiry date | Feb 29, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K23/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A DC motor utilizing flux focussing pole pieces and non-ferrous spacers to wedge the pole pieces and magnets into contact with the motor housing. Cooling is provided with heat pipes mounted in the spacers or pole pieces and/or the motor armature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.