Patent · US Active

Direct current electric machine

US9467027B2 · kind B2 · utility

1Cited by

6References

15Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Thorsten Kremer · Gerlingen, DE
Friedrich Wendel · Rutesheim, DE
Thomas Klotzbuecher · Welzheim, DE
Joerg Mayer · Stuttgart, DE

Key dates

Filing date	Aug 11, 2011
Grant date	Oct 11, 2016
Priority date	—
Expiry date	Oct 13, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH02K2211/03
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The disclosure relates to a direct current electric machine comprising a housing, a rotor having coils configured as electromagnets, and a stator with stator magnets. The rotor and the stator are positioned inside the housing. The electric machine also comprises sliding contacts configured to conduct current which is to be conducted through the coils of the rotor, as a commutator. The electric machine further comprises an interference suppressor configured to suppress electrical interference that emanates from the direct current electric machine. The interference suppressor is positioned outside of the housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.