Rotating electric machine
US6737768B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2001 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Jul 26, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotating electric machine having a plurality of ventilating passages formed between a stator frame and a stator iron core, a cooler which cools a coolant is provided at least in one ventilating passage, communicating with a central portion of the stator iron core, of the plurality of ventilating passages, and a ventilating circuit in which the coolant cooled by the cooler is allowed to flow to the central portion of the stator iron core in a direction from an outer peripheral side to an inner peripheral side of the stator iron core via the at least one ventilating passage which communicates with the central portion of the stator iron core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.