Heat pipe-equipped cooling device for a rotating electric machine
US7709979B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2006 |
| Grant date | May 4, 2010 |
| Priority date | — |
| Expiry date | Dec 5, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K19/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cooling device comprising a heat pipe (6) which is provided with an electrically-isolating part (15) between the evaporating (8) and condensing (7) parts thereof, such that the hot and cold areas are isolated electrically from one another. The evaporating part (7) of the heat pipe (6, 60, 61) is connected to a voltage regulator (2) or to a current rectifier belonging to a rotating electric machine. The invention is suitable for an alternator or an alternator-starter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.