Patent · US Expired

Self-cooling electric machine

US7282823B2 · kind B2 · utility

6Cited by
42References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 29, 2004
Grant dateOct 16, 2007
Priority date
Expiry dateJul 14, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K21/22
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electric machine having a rotor with a ventilation port and a rotor coupling with at least one air disturber.

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