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.:
Date of Patent:
Jul. 06, 2021
Filed:
Sep. 20, 2019
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Brandon J. Schwoerer, Washington, IL (US);
Lance M. Cowper, Metamora, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 8/48 (2006.01); B60T 8/34 (2006.01); B60T 8/40 (2006.01); B60T 17/04 (2006.01); B60T 13/16 (2006.01);
U.S. Cl.
CPC ...
B60T 8/341 (2013.01); B60T 8/40 (2013.01); B60T 8/4827 (2013.01); B60T 13/16 (2013.01); B60T 17/04 (2013.01);
Abstract
A hydraulic brake system is disclosed which may include a supply pump pressurizing a brake control system via a brake control supply line; a pressure-released brake connected to the brake control system via a brake line; a pressure relief valve with an inlet connected to the brake control supply line and an outlet connected to a relief valve discharge line; a make-up line connecting the brake line and the relief valve discharge line; and a check valve on the make-up line allowing one-way flow from the relief valve discharge line to the brake line.