Invention Grant
- Patent Title: Brush arrangement for electrical machine
- Patent Title (中): 电机刷布
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Application No.: US13320592Application Date: 2010-03-19
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Publication No.: US08686612B2Publication Date: 2014-04-01
- Inventor: Gerald Roos , Pierre Bernard
- Applicant: Gerald Roos , Pierre Bernard
- Applicant Address: DE Stuttgart
- Assignee: Robert Bosch GmbH
- Current Assignee: Robert Bosch GmbH
- Current Assignee Address: DE Stuttgart
- Agency: Michael Best & Friedrich LLP
- Priority: DE102009003159 20090515
- International Application: PCT/EP2010/053589 WO 20100319
- International Announcement: WO2010/130488 WO 20101118
- Main IPC: H01R39/18
- IPC: H01R39/18

Abstract:
An electrical machine, in particular an electric motor, has a first number (k) of commutator laminates (10, 12, 14) and brushes (16, 18), wherein the commutator laminates (10, 12, 14) are arranged distributed uniformly in the circumferential direction of a circumference of a laminate support (24). The brushes (16, 18) are arranged such that commutation times are distributed as uniformly as possible in order to reduce current ripple when using a wave winding and a number of brushes (16, 18) which is less than a number of poles (2p) in the electrical machine.
Public/Granted literature
- US20120133240A1 BRUSH ARRANGEMENT FOR ELECTRICAL MACHINE Public/Granted day:2012-05-31
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