Rotating machine
US7138742B2 · kind B2 · utility
7Cited by
13References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2004 |
| Grant date | Nov 21, 2006 |
| Priority date | — |
| Expiry date | Jul 21, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/72
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In a rotating machine, a plurality of laminated electromagnetic steel sheets constitutes at least one of a stator and a rotor and a plurality of permanent joining portions to unit each of the laminated electromagnetic steel sheets to form a corresponding one of the stator and the rotor, the plurality of permanent joining portions being set to be located at positions at which an integration value of a magnetic flux density with respect to a plane enclosed with the permanent joining portions is always zeroed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.