Rotor assembly for DC motor
US11431234B2 · kind B2 · utility
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9Claims
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Assignee
Inventors
Key dates
| Filing date | Mar 21, 2018 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Mar 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K13/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor assembly for a DC motor is provided which includes a rotor having a rotor shaft, a commutator mounted to the rotor shaft, and a varistor which is connected to the commutator via an electrically-conductive solderless fixing means, such as an electrically-conductive adhesive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.