Wire for coil
US7238888B2 · kind B2 · utility
1Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2004 |
| Grant date | Jul 3, 2007 |
| Priority date | — |
| Expiry date | Apr 5, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F41/122
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a coil wire having a square sectional shape, arc-shaped chamfers are provided at four corners in the section of the square. The sectional area of the coil wire having the chamfers is set to at least 1.15 times as large as that of a circle having a diameter which is the same as the length of one side of the square.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.