Stepping motor
US4488069A · kind A · utility
9Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 10, 1983 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | Aug 10, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K37/18
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In the disclosed motor, a stator and a rotor are movable relative to each other about a common axis. The stator has stator poles with radially directed stator teeth arranged in a circle around the axis and the rotor includes a first axial portion and a second axial portion with a permanent magnet located between them. The first portion has a plurality of rotor teeth extending axially along the periphery of the first portion and the second portion has a substantially cylindrical surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.