Winding of an electric machine
US4318020A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 5, 1979 |
| Grant date | Mar 2, 1982 |
| Priority date | — |
| Expiry date | Oct 5, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K3/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved electric machine wherein the machine comprises a slot for receiving a winding formed from a winding bar having an outer glow-discharge protection and wherein the improvement comprises a wrapping in the form of a strip of conductive material arranged in surrounding relationship to the bar so that the edge portions of the strip are situated adjacent a corner of the narrow side of the bar which faces the slot bottom. The improvement further includes cementing the edge portion of the strip lying beneath such narrow side to such side and a shim disposed adjacent the side of said bar along which the other edge portion resides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.