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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 12024139 B1

PDFFull Text
Date of Patent:
Jul. 02, 2024

Filed:

Jul. 02, 2021

Apparatus and method for selectively actuating wheel brakes of a hydraulic brake system

Applicant:

Zf Active Safety Us Inc, Livonia, MI (US);

Inventors:

Blaise J. Ganzel, Ann Arbor, MI (US);

Frank Einig, Ochtendung, DE;

Assignee:

ZF Active Safety US Inc., Livonia, MI (US);

Attorney:

Kristin L. Murphy

Primary Examiner:

Vishal R Sahni

Int. Cl.
CPC ...
B60T 13/58 (2006.01); B60T 7/04 (2006.01); B60T 13/14 (2006.01); B60T 13/68 (2006.01); B60T 13/74 (2006.01); H02K 7/06 (2006.01); H02K 7/116 (2006.01); F16D 121/02 (2012.01); F16D 121/24 (2012.01); F16D 125/08 (2012.01); F16D 125/24 (2012.01); F16D 125/40 (2012.01); F16D 125/50 (2012.01);
U.S. Cl.
CPC ...
B60T 13/58 (2013.01); B60T 7/042 (2013.01); B60T 13/148 (2013.01); B60T 13/686 (2013.01); B60T 13/746 (2013.01); H02K 7/06 (2013.01); H02K 7/116 (2013.01); B60T 2220/04 (2013.01); B60T 2270/402 (2013.01); B60T 2270/404 (2013.01); B60T 2270/82 (2013.01); F16D 2121/02 (2013.01); F16D 2121/24 (2013.01); F16D 2125/08 (2013.01); F16D 2125/24 (2013.01); F16D 2125/40 (2013.01); F16D 2125/50 (2013.01);
Abstract

A brake system for selectively actuating at least one wheel brake includes a reservoir and a power transmission unit for selectively providing pressurized hydraulic fluid for actuating at least a selected one of the wheel brakes during a braking event. A first electronic control unit at least partially controls at least one of the power transmission unit and a selected one of the pair of rear brake motors. A second electronic control unit at least partially controls at least one of the power transmission unit and an other one of the pair of rear brake motors. The first electronic control unit controls at least one SAP valve, an isolation valve, and a dump valve for a selected two of the wheel brakes, and the second electronic control unit controls at least one SAP valve, an isolation valve, and a dump valve for an other two of the wheel brakes.

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