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 date | Aug 15, 1996 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Aug 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.