Patent · US Active

Electric motor/generator with easily replaceable brush holder and brushes

US9647403B2 · kind B2 · utility

0Cited by

16References

8Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Bernd Schroeder · Eßlingen, DE
Zeljko Lubina · Reutlingen, DE
Matthias Gesellmann · Reutlingen, DE
Cornelia Mauer · Tamm, DE

Key dates

Filing date	Dec 6, 2012
Grant date	May 9, 2017
Priority date	—
Expiry date	Jan 3, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH02K19/365
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electrical machine (1) with a machine housing (5) receiving an electrically excited rotor (2) and a stator (10) of the electrical machine (1) and with an electronics unit (18) fastened to the machine housing (5) and electrically connected to an exciter winding (3) of the rotor (2) via at least one sliding contact (11, 12) consisting of at least one slip ring (13, 14) assigned to the rotor (2) and at least one brush (15, 16) assigned to the electronics unit (18), the brush (15, 16) being arranged displaceably in a brush holder (20). In this case it is provided that the brush holder (20) is fastened exchangeably in a guiding recess (27) of the electronics unit (18).

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