Patent · US Expired

Filtering and interference suppressing device for an electric motor

US6717301B2 · kind B2 · utility

62Cited by
7References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 2002
Grant dateApr 6, 2004
Priority date
Expiry dateSep 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.