Patent · US Active

Heat pipe-equipped cooling device for a rotating electric machine

US7709979B2 · kind B2 · utility

1Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 2006
Grant dateMay 4, 2010
Priority date
Expiry dateDec 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.