Filtering and interference suppressing device for an electric motor
US6717301B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2002 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Sep 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S310/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device for filtering and interference suppression in an electric motor includes at least first powering brush for an armature commutator of the electric motor, a capacitor having one terminal electrically connected to a strip conductor electrically powering the first brush, and another terminal electrically connected to a ground strip conductor connected to the electric ground of the motor. The capacitor is of the filtering and interference suppression device is non-inductive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.