Circuit arrangement for operating an electric motor
AssigneeRobert Bosch GmbH
InventorsArmin Stubner, Norbert Martin
Life of this patent
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Abstract
The invention relates to a circuit arrangement for operating an electric motor, in particular an electric motor for a windshield wiper. The electric motor has a first voltage connection, a ground connection, and a return connection. The ground connection is connected to a battery ground connection of a battery. Furthermore, a switch is provided, which is designed to open or disconnect a conductive connection between the ground connection and the return connection depending on an angle position of a shaft driven by the electric motor. Additionally, a filter member is arranged between the return connection and the ground connection.
Claims5
A circuit arrangement for operating an electric motor, wherein the electric motor has a first voltage connection, a ground connection and a return line connection, wherein the ground connection is connected to a battery ground connection on a battery, wherein a switch is provided which is designed to open or break a conductive connection between the ground connection and the return line connection on the basis of an angular position of a shaft driven by the electric motor, wherein the return line connection and the ground connection have a filter element arranged between them.
Dependencies are inferred from the claim text.