Patent · US Expired

Method and system for cooling a motor or motor enclosure

US7687945B2 · kind B2 · utility

36Cited by
128References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 25, 2004
Grant dateMar 30, 2010
Priority date
Expiry dateMay 31, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K17/30
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method and system of cooling an enclosure or motor is disclosed. An exemplary permanent magnet electric motor is formed with an external stator and an internal rotor. The motor controller is in thermal proximity to the motor but is thermally isolated from the motor by an air chamber. In one exemplary embodiment, one or more heat sinks are provided to create efficient heat removal paths. In another exemplary embodiment, one of more heat pipes are located in the system.

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