Electric motor
US10284053B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2015 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | Jul 28, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/08
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric motor includes a stator having an outer peripheral surface including a plurality of projections and a housing having an inner peripheral surface including a plurality of recesses and holding the stator in a state of respective fits of the projections with the recesses. The housing is internally formed with a cooling channel, which includes a plurality of main channels each formed in an inter-recess region defined between circumferentially adjacent recesses and a connection channel axially shifted from a recess and extending across the recess to connect main channels adjacent across the recess. The electric motor is capable of effectively cooling a stator without upsizing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.