Valve assembly

US5513672A · kind A · utility

Assignee

• Luk Fahrzeug-Hydraulik GmbH & Co. KG · DE

Inventors

• Van Doan Nguyen · Neu-Anspach, DE
• Yuejin Gong · Bad Homburg vor der Höhe, DE
• Randolf Kortge · Usingen, DE
• Hans-Jurgen Lauth · Neu-Anspach, DE
• Gerhard Overdiek · Friedrichsdorf, DE
• Willi Parsch · Emmelshausen, DE
• Thomas Nied-Menninger · Usingen, DE

Key dates

• Filing date: May 27, 1994
• Grant date: May 7, 1996
• Expiry date: May 27, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T137/7791
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A valve assembly for controlling volume flow from a discharge device to an actuator and including a discharge throttle, and a flow control valve for controlling flow through the throttle and having a piston, and end portion of which overlaps a channel for returning excess fluid to a suction side of the discharge device and has an end region forming a seated valve preventing leakage past the end region, when the end region completely overlaps the return channel.