Patent · US Expired

Heat-protected motor housing with metal casing and plastic plate

US5731646A · kind A · utility

42Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 15, 1996
Grant dateMar 24, 1998
Priority date
Expiry dateAug 15, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K9/223
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A metal heat dissipation element is made an integral part of a metal houses of a motor, then a bearing plate of plastic material is injection-molded onto the housing. Preferred embodiments relate to the increased strength of the housing for which purpose additional plastic components in the form of webs are produced in the injection-molding operation.

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