Unitary magnet having recessed shapes for forming part of contact areas between adjacent magnets
US11387028B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Jan 18, 2019 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Jul 5, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A unitary magnet (1) that has an elongate shape including a first longitudinal portion (1a) having an outer contour with shapes (6) that are recessed in the direction of the inside of the unitary magnet (1), where the recessed shapes (6) extend over at least part of a length of the first portion (1a) and/or extending, over at least part of the perimeter of the unitary magnet, (1) transversely to a longitudinal axis of the unitary magnet near at least one longitudinal end of the unitary magnet (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.