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:
Jun. 26, 2007
Filed:
Mar. 28, 2003
Jacques Sirven, Versailles, FR;
Jacques Sirven, Versailles, FR;
Other;
Abstract
A damper, in particular for motor vehicle, includes a cylinder containing a hydraulic fluid, a main piston () actuated by a rod () defining in the cylinder a first chamber () and a second chamber (), the second chamber containing the rod, a hydraulic fluid reservoir () and a valve () placed in the hydraulic fluid flow between the first chamber and the second chamber, the valve including a mobile check valve () co-operating with a seat () and elements designed to press the check valve on its seat. The damper further includes filtering elements mounted () in parallel with the valve (), adapted to generate a filtering control pressure acting on the check valve, the control pressure depending on the pressure differential at the inlet and the outlet of the valve.