Patent · US Expired

Electric motor

US6091174A · kind A · utility

17Cited by
7References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 17, 1998
Grant dateJul 18, 2000
Priority date
Expiry dateDec 17, 2018

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K2203/03
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A motor and pump assembly in which the circulating liquid from the pump passes through the motor and in which the motor housing has an outer shell closed at its end remote from the pump by a metal cover having an inwardly-extending annular collar fitting against an inner side of the outer shell for heat transfer thereto. A heat-generating electronic component such as a frequency converter is mounted directly on an inner side of the cover.

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