Patent ID: 8499731
Filing Date: 2013-08-06
Classification: F01L

Abstract:
1. A central valve of a camshaft adjuster of an internal combustion engine, comprising: a valve housing; a control piston; and a fastening flange, wherein the valve housing is at least partially arranged within a receptacle within the camshaft adjuster and has hydraulic connections, wherein the control piston bears at least in regions against an inner circumferential surface of the valve housing and is mounted displaceably on said inner circumferential surface, wherein the fastening flange and the valve housing are connected and together form an integral element, and the fastening flange is fixedly connected directly to a wall of the receptacle and defines the axial position of the valve housing relative to the camshaft adjuster, and wherein the fastening flange is composed of a metallic material and the valve housing is composed exclusively of a plastic.