Title:
CIRCUIT ARRANGEMENT FOR OPERATING AN ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2011/042235
Kind Code:
A3
Abstract:
The invention relates to a circuit arrangement (100) for operating an electric motor (110), in particular an electric motor for a windshield wiper. The electric motor has a first voltage connection (53), a ground connection (31), and a return connection. The ground connection is connected to a battery ground connection (131) of a battery (300). Furthermore, a switch (200) is provided, which is designed to open or disconnect a conductive connection between the ground connection and the return connection (31b) depending on an angle position of a shaft (130) driven by the electric motor. Additionally, a filter member (400) is arranged between the return connection and the ground connection.
Inventors:
STUBNER ARMIN (DE)
MARTIN NORBERT (DE)
MARTIN NORBERT (DE)
Application Number:
PCT/EP2010/061467
Publication Date:
July 21, 2011
Filing Date:
August 06, 2010
Export Citation:
Assignee:
BOSCH GMBH ROBERT (DE)
STUBNER ARMIN (DE)
MARTIN NORBERT (DE)
STUBNER ARMIN (DE)
MARTIN NORBERT (DE)
International Classes:
B60S1/08; H02K11/02
Foreign References:
| EP0397339A2 | 1990-11-14 | |||
| FR2583595A1 | 1986-12-19 | |||
| DE10157386A1 | 2003-06-05 | |||
| EP0726188A1 | 1996-08-14 |
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
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