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:
May. 07, 1996
Filed:
May. 27, 1994
Van Doan Nguyen, Frankfurt, DE;
Yuejin Gong, Bad Homburg, DE;
Randolf Kortge, Usingen, DE;
Hans-Jurgen Lauth, Usingen, DE;
Gerhard Overdiek, Friedrichsdorf, DE;
Willi Parsch, Bickenbach, DE;
Thomas Nied-Menninger, Usingen, DE;
LUK Fahrzeug-Hydraulik GmbH & Co. KG, Bad Homburg, DE;
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.