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:
Feb. 20, 2018
Filed:
Nov. 29, 2012
Applicant:
Liebherr-hydraulikbagger Gmbh, Kirchdorf/Iller, DE;
Inventor:
Simon Meier, Amendingen, DE;
Assignee:
Liebherr-Hydraulikbagger GmbH, Kirchdorf/Iller, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 18/00 (2006.01); F15B 13/07 (2006.01);
U.S. Cl.
CPC ...
F15B 18/00 (2013.01); F15B 13/07 (2013.01); F15B 2211/20576 (2013.01); F15B 2211/3059 (2013.01); F15B 2211/329 (2013.01); F15B 2211/783 (2013.01); Y10T 137/7762 (2015.04);
Abstract
The present disclosure relates to a hydraulic system with at least two main control valves and with a hydraulic pilot control system for actuating the main control valves, wherein the hydraulic pilot control system and/or the main control valves are constructed such that the at least two main control valves open one after the other.