Laminar-rotor synchronous inductor motor
US3956650A · kind A · utility
16Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 1972 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | Jun 26, 1992 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The rotor structure of a synchronous inductor motor, such as a stepping motor, is of a compact, simplified and high-efficiency construction consisting essentially of wholly planar annular laminations which include stacks of thin externally-toothed elements bonded together and with relatively thin axially-magnetized annular washer material extending radially from a relatively large central shaft fully to the roots of the stack teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.