Motor of compressor and refrigeration cycle apparatus
US10992213B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 29, 2014 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | May 10, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A compressor includes: a stator core including a plurality of teeth around which an aluminum winding wire is wound in a concentrated manner; a rotor core disposed on an inner diameter side of the stator core and including a plurality of magnet insertion holes; and a plurality of ferrite magnets inserted in the magnet insertion holes, in which when a width of a winding wire portion formed in each of the teeth is represented as A, a length in an axis direction of the stator core is represented as L, and the number of slots is represented as S, the stator core has a shape that satisfies a relation of 0.3<S×A÷L<2.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.