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. 21, 2001
Filed:
Mar. 27, 2000
Holger Kirchner, Ruppichteroth, DE;
Mannesmann Sachs AG, Schweinfurt, DE;
Abstract
A piston for a piston/cylinder assembly is fastened to a piston rod and axially movably arranged in a working cylinder filled with damping medium. The piston having damping valves for the tension and compression movements of the piston in the cylinder and having a first and second group of passage ducts respectively for the tension and compression directions. The outlet sides of each of the first and second passage ducts open into a control edge covered by valve disks. The first and second passage ducts run axially parallel over at least part of their length, wherein the inlet and outlet regions of each of the first and second passage ducts being arranged axially one behind the other and one of the first and second groups of passage ducts emerges on the end face and the other of the first and second groups of passage ducts emerges radially outward on each side of the working piston.