Motor for an electric power steering assembly
US6127759A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 9, 1999 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Jun 9, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K23/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor for an electric power steering assembly comprises permanent magnets constituting four or more poles secured to the inner wall of a yoke, a shaft disposed inside the yoke so as to be able to rotate freely, an armature secured to the shaft having a winding composed of wiring wound by a lap winding method into slots formed on the outer circumferential surface of a core so as to extend in the axial direction thereof, a commutator comprising a plurality of commutator segments secured to an end portion of the shaft, brushes disposed singly on the positive side and the negative side of the commutator so as to contact the surface thereof; and equalizing connectors connecting commutator segments which should have the same electric potential to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.