Hydraulic valve, especially for controlling a camshaft movement in a motor vehicle

US6289921A · kind A · utility

Assignee

• Hydraulik-Ring GmbH · DE

Inventors

• Rolf Neuhaus · Lohr, DE
• Jurgen Rettinger · Kirchberg, DE
• Robert Schloder · Kirchberg, DE

Key dates

• Filing date: Apr 24, 2000
• Grant date: Sep 18, 2001
• Expiry date: Apr 24, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/86702
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A hydraulic valve, especially for controlling a camshaft movement in a motor vehicle, is provided. A valve bushing is insertable from an end face thereof into the receiving bore of a housing. The valve bushing has an axially extending control bore into which a disk is pressed with press fit from the end face of the valve bushing. The valve bushing, on an exterior surface thereof and starting from the end face, is provided with a turned groove that is disposed remote from a pressure medium flow.