Title:
ELECTRIC DRIVE ENGINE, ESPECIALLY FOR A UNIT IN A MOTOR VEHICLE
Document Type and Number:
WIPO Patent Application WO/2010/105867
Kind Code:
A3
Abstract:
The invention relates to an electric drive engine comprising a commutation system, consisting of a commutator connected to the rotor shaft in a rotatably fixed manner, and carbon brushes arranged on brush guiding parts. Said drive engine is characterised in that a spring element applies a force to each carbon brush, the elastic force having a component acting radially in the direction of the commutator and a component in the direction of the brush guiding part.
Inventors:
CZINEGE FLORIAN (HU)
ANDING LARS-DIRK (DE)
ANDING LARS-DIRK (DE)
Application Number:
PCT/EP2010/050671
Publication Date:
December 01, 2011
Filing Date:
January 21, 2010
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
CZINEGE FLORIAN (HU)
ANDING LARS-DIRK (DE)
CZINEGE FLORIAN (HU)
ANDING LARS-DIRK (DE)
International Classes:
H02K5/14; H01R39/38
Domestic Patent References:
| WO2004023609A1 | 2004-03-18 | |||
| WO2003028171A1 | 2003-04-03 | |||
| WO2006067097A1 | 2006-06-29 |
Foreign References:
| DE698701C | 1941-01-27 | |||
| EP1463180A1 | 2004-09-29 | |||
| EP0851541A1 | 1998-07-01 | |||
| EP1940010A1 | 2008-07-02 |
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
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