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:
Dec. 01, 2020
Filed:
Feb. 15, 2019
Voith Patent Gmbh, Heidenheim, DE;
Magnus Junginger, Königsbronn, DE;
Voith Patent GmbH, Heidenheim, DE;
Abstract
The invention relates to a hydraulic drive having a differential cylinder which has a cylinder piston and a piston rod which is connected to the cylinder piston. The cylinder piston is arranged in a displaceable manner in a cylinder chamber in order to extend and retract piston rod. The cylinder chamber is separated by cylinder piston into a piston side, and a ring side with piston rod, each with a variable volume. The piston side and ring side are separated from one another by the piston and are connected to one another in a fluid conducting manner via a short-circuit line. The short-circuit line includes a switching valve for optionally shutting off short-circuit line in a fluid-tight manner. A switching valve can be switched into its blocking position at least indirectly in dependence on the pressure on piston side of cylinder chamber.