Patent · US Active

Brush device, electric machine

US9444209B2 · kind B2 · utility

1Cited by

8References

1Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Bernd Schroeder · Eßlingen, DE
Yves Detrois · Renningen, DE
Carnelia Mauer · Tamm, DE

Key dates

Filing date	Jul 31, 2013
Grant date	Sep 13, 2016
Priority date	—
Expiry date	Mar 24, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH01R39/41
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a brush device, in particular for an electric machine, comprising at least one brush holder which has at least two brush boxes for receiving in each case one brush, wherein the brushes are mounted in a displaceable manner in the respective brush box and wherein a helical spring can be braced/is pretensioned in each case between one of the brushes and a stop in the respective brush box, and comprising at least two elastically deformable electrical conductors which are each connected with an end thereof to one of the brushes.

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