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:
Apr. 26, 2016
Filed:
Mar. 25, 2014
Hilite Germany Gmbh, Marktheidenfeld, DE;
Stefanie Hutzelmann, Graefendorf, DE;
Jan Kroepelin, Seelze, DE;
Dietmar Schulze, Muenzenberg, DE;
Juergen Goll, Collenberg, DE;
Hilite Germany GmbH, Marktheidenfeld, DE;
Abstract
A central valve for a pivot motor actuator, the central valve including a housing tube including a first operating connection, a supply connection, a second operating connection and a tank drain connection; a piston enveloped by the housing tube and moveable relative to the housing tube, wherein the first operating connection is connected with the supply connection and the second operating connection is connected with the tank drain connection in a first position of the piston, wherein the piston is positioned in a center position in a second position, and wherein the second operating connection is connected with the supply connection and the first operating connection is connected with the tank drain connection in a third position of the piston, wherein the piston includes at least one first check valve on its outside.