Electric motor
US6455963B2 · kind B2 · utility
1Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Dec 20, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/203
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A frame for an electric motor is provided with a high heat discharge efficiency at low manufacturing cost wherein a plurality of cooling media paths, grooves, groove paths, media paths and communication paths are formed on the frame using a diecast process. A plurality of fins are formed in the grooves and a plurality of cooling media guide members are secured about the periphery of the frame to control the flow of the cooling media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.