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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 9555788 B1

PDFFull Text
Date of Patent:
Jan. 31, 2017

Filed:

Oct. 23, 2014

Motor vehicle

Applicant:

Audi Ag, Ingolstadt, DE;

Inventors:

Tobias Brok, Kösching, DE;

Martin Stemmer, Niederding, DE;

Assignee:

AUDI AG, Ingolstadt, DE;

Attorney:

Henry M. Feiereisen LLC

Primary Examiner:

Robert A Siconolfi

Assistant Examiner:

Stephen Bowes

Int. Cl.
CPC ...
B60T 11/10 (2006.01); B60T 13/68 (2006.01); B60T 13/18 (2006.01); B60T 13/14 (2006.01); B60T 13/66 (2006.01); B60T 8/34 (2006.01); B60T 13/74 (2006.01); B60T 15/02 (2006.01);
U.S. Cl.
CPC ...
B60T 13/686 (2013.01); B60T 8/348 (2013.01); B60T 13/146 (2013.01); B60T 13/18 (2013.01); B60T 13/662 (2013.01); B60T 13/745 (2013.01); B60T 15/028 (2013.01); B60T 2270/413 (2013.01);
Abstract

A motor vehicle includes a first and a second set of two separate hydraulic braking circuits. Each of the two braking circuits of each of the first and second set includes a valve assembly for modulating a braking pressure in the two separate hydraulic braking circuits. A valve unit is arranged downstream of a brake booster and is switchable in response to a malfunction of one or both of the two braking circuits of the first set from a first position in which it connects the valve assembly of the two separate hydraulic braking circuits of the first set to the brake booster, into a second position in which it connects the valve assembly of the two separate hydraulic braking circuits of the second set to the brake booster.

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