DC motor
US7307368B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2001 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Jun 11, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R39/24
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A direct current motor including a rotor having a rotation shaft and rotor coils, a stator configured to apply a magnetic field to the rotor via magnetic poles of the stator opposing magnetic poles of the rotor, an electrical parts mounting base board fixed on the rotation shaft such that the rotation shaft perpendicularly intersects the electrical parts mounting base board, and a commutator having a contact electrode part formed with a plane conductive layer pattern and connected to the rotor coils. The contact electrode part is formed on the electrical parts mounting base board. The direct current motor further includes a pair of electrode brushes in sliding contact with the contact electrode part of the commutator and configured to supply electric power to the rotor coils though the commutator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.