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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 12447942 B1

PDFFull Text
Date of Patent:
Oct. 21, 2025

Filed:

May. 25, 2019

Method for testing the functional capability of a hydraulic vehicle braking system

Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Carsten Thierer, Abstatt, DE;

Rolf-Hermann Mergenthaler, Leonberg, DE;

Otmar Bussmann, Abstatt, DE;

Peter Ziegler, Grossbottwar, DE;

Tim-Philipp Jesse, Sachsenheim, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorney:

NORTON ROSE FULBRIGHT US LLP

Primary Examiner:

Thomas J Williams

Int. Cl.
CPC ...
B60T 17/22 (2006.01); B60T 8/40 (2006.01); B60T 13/14 (2006.01); B60T 13/68 (2006.01);
U.S. Cl.
CPC ...
B60T 17/221 (2013.01); B60T 8/4081 (2013.01); B60T 13/142 (2013.01); B60T 13/148 (2013.01); B60T 13/686 (2013.01); B60T 2270/406 (2013.01);
Abstract

For testing the functional capability of a hydraulic power vehicle braking system, a power brake pressure generator is switched on. The power brake pressure generator displaces brake fluid through the non-actuated master brake cylinder into a brake fluid reservoir, which is why no brake pressure is built up. A brake pressure build-up allows a 'hidden defect' to be inferred, which has no impact during normal operation and is therefore not noticed.

Find Patent Forward Citations

Thierer, Carsten. (2025). Method for testing the functional capability of a hydraulic vehicle braking system (U.S. Patent No. 12447942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12447942

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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