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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.

Patent No.:

US 10293695 B1

PDFFull Text
Date of Patent:
May. 21, 2019

Filed:

Dec. 17, 2015

Circuit arrangement for operating an electrical machine in a motor vehicle with provision of a dc voltage

Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Matthias Boesing, Ludwigsburg, DE;

Alexander Ross, Darmstadt, DE;

Matthias Heil, Moeglingen, DE;

Rostislav Rogov, Stuttgart, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:

Michael Best & Friedrich LLP

Primary Examiner:

Eduardo Colon Santana

Assistant Examiner:

Cortez M Cook

Int. Cl.
CPC ...
B60L 1/00 (2006.01); H02M 7/79 (2006.01); B60K 6/485 (2007.10); B60L 11/18 (2006.01); B60L 15/04 (2006.01); H02J 7/00 (2006.01); H02M 1/44 (2007.01); H02P 27/06 (2006.01); B60L 53/22 (2019.01); B60L 50/51 (2019.01); B60L 53/00 (2019.01); B60L 53/24 (2019.01); B60L 58/18 (2019.01); B60L 58/20 (2019.01);
U.S. Cl.
CPC ...
B60L 11/1814 (2013.01); B60L 1/00 (2013.01); B60L 15/04 (2013.01); B60L 50/51 (2019.02); B60L 53/00 (2019.02); B60L 53/22 (2019.02); B60L 53/24 (2019.02); B60L 58/18 (2019.02); B60L 58/20 (2019.02); H02J 7/0052 (2013.01); H02M 1/44 (2013.01); H02P 27/06 (2013.01); B60L 2210/42 (2013.01); H02J 2007/0059 (2013.01); Y02T 10/645 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7066 (2013.01); Y02T 10/7072 (2013.01); Y02T 90/127 (2013.01); Y02T 90/14 (2013.01);
Abstract

The present invention relates to a circuit arrangement () for operating an electrical machine () in a motor vehicle, having a first electrical drive train (-) in which a first battery direct converter (-) can be connected to the electrical machine () via a first switching device (-); a second electrical drive train (-) in which a second battery direct converter (-) can be connected to the electrical machine () via a second switching device (-); a third electrical drive train (-) in which a third battery direct converter (-) is connected to the electrical machine (), one converter connection of which can be connected to the second drive train (-) via a third switching device (-) and the other converter connection of which can be connected to the second drive train (-) via a fourth switching device (-); a DC voltage section () for providing a DC voltage for a vehicle electrical system, which DC voltage section is connected to the first, second and third drive trains (---) via a rectifier (---) in each case; and a charging section () for supplying a charging current to the first, second and third battery direct converters (---), which charging section is connected to the first drive train (-) and to the third drive train (-).

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