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:
Aug. 23, 2016
Filed:
Jul. 12, 2013
Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A control valve for a hydraulic device, in particular central valve of a camshaft adjuster system for reciprocating-piston internal combustion engines, having a valve sleeve () which projects into a cavity of a camshaft (), wherein a displaceable control piston () is arranged in the valve sleeve (), which control piston is subjected to load on one side by a spring () which is adjoined by a pressure medium line. The cavity of the camshaft () is connected to a pressure medium supply channel of the reciprocating-piston internal combustion engine via at least one supply line () in the camshaft () and via a bearing, and the pressure medium line is in the form of a pressure medium feed line and the pressure medium feed line is connected to the pressure medium supply channel of the reciprocating-piston internal combustion engine via a pressure line () in the camshaft () and via the bearing.