Patent · US Active

Electric machine with closed circuit air cooling

US9621007B2 · kind B2 · utility

0Cited by

7References

7Claims

0Family size

Assignee

Alstom Renewable Technologies · FR

Inventors

Stefan Baumeister · Waldshut-Tiengen, DE
Erwan Boivent · Couëron, FR
Mostafa Sadeghi · Los Angeles, US

Key dates

Filing date	Sep 15, 2014
Grant date	Apr 11, 2017
Priority date	—
Expiry date	Mar 18, 2035

Classification

Technology area (CPC H)Electricity
CPC primaryH02K5/203
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electric machine with a closed circuit air cooling provides using only passive elements to realize an efficient and compact heat transfer from inside the electric machine to an ambient heat sink.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.