The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 14, 2025

Filed:

Aug. 11, 2021
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Andreas Schmidtlein, Tamm, DE;

Christoph Emde, Leingarten, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 6/06 (2006.01); F04B 17/03 (2006.01); H02P 6/30 (2016.01); B60T 13/74 (2006.01); B60T 17/02 (2006.01);
U.S. Cl.
CPC ...
H02P 6/06 (2013.01); F04B 17/03 (2013.01); H02P 6/30 (2016.02); B60T 13/745 (2013.01); B60T 17/02 (2013.01);
Abstract

A method for operating an electric motor, in particular of a piston pump. The electric motor has a rotor shaft and is actuated with a target rotational speed and a target rotational direction for the rotor shaft as a function of a power demand, wherein an actual rotational speed of the rotor shaft is monitored. In the method, the target rotational direction is changed for a specified period of time if the actual rotational speed is equal to zero and the target rotational speed is unequal to zero, and the electric motor is then actuated again at the target rotational speed and in the target rotational direction.


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