Winding arrangement for a direct current electric machine
US4219753A · kind A · utility
4Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Mar 27, 1978 |
| Grant date | Aug 26, 1980 |
| Priority date | — |
| Expiry date | Mar 27, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K3/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A direct current electric machine with an ironless skew wound rotor coil rotating in the air gap of a stationary magnetic circuit is disclosed, wherein the rotor coil comprises a plurality of coil sections each connected by its ends to two corresponding collector segments and each section is constituted by at least two parts. The said parts are groups of adjacent wire turns which groups are placed side by side on the rotor cylinder and are connected in parallel to the collector segments corresponding to the coil section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.