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. 04, 1998
Filed:
Dec. 01, 1995
Theo Rottenberger, Burkardroth-Gefall, DE;
Fichtel & Sachs AG, Schweinfurt, DE;
Abstract
Vibration damper with adjustable damping force comprising a cylinder in which a piston with a piston rod is guided so that it can move axially, whereby the piston divides the cylinder into a first and a second working chamber, with at least one damping valve which is located in a flow connection between the two working chambers and can be influenced in terms of its damping force response curve by means of external adjustment means, whereby the damping valve consists of single valves, the action of which is cumulative, whereby a first single valve consists of a throttle which has a small cross section, and a second single valve comprises at least one valve disc which is under a spring load, and whereby the action of the first and second single valves can be adjusted individually by adjustment means. The single valves for at least one direction of flow are located in a valve block which is in communication with the cylinder by means of at least one fluid connection, whereby the container tube is realized in two parts which extend respectively above and below the valve block. The realization of the container tube in two parts allows for twisting of the valve block at the junction points of the container tube and valve block, so as to take into consideration the amount of space available for the installation of the vibration damper.