Case of electric rotating machine
US9331551B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2012 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | May 14, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/203
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A case of an electric rotating machine, includes: a cooling passage which is provided inside the case along a circumferential direction of the case and through which a cooling fluid is able to flow; a cooling fluid inlet and a cooling fluid outlet which communicate with the cooling passage; and a rib which is provided inside the cooling passage, connect a wall portion on an inside in a radial direction of the case and a wall portion on an outside in the radial direction of the cooling passage along the circumferential direction, are arranged to be separated from each other in an axial direction of the case, and partition the cooling passage into a plurality of cooling passages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.