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. 01, 2012
Filed:
Oct. 09, 2008
Vincent Lassus, Marseilles, FR;
Benjamin Talon, Cahors, FR;
Cédric Lopez, Saint Cannat, FR;
Eurocopter, Marignane Cedex, FR;
Abstract
A damper () is provided with a body () which surrounds an annular compression chamber (), the damper () being furnished with at least one pneumatic compensation chamber () and a control piston () that can move relative to the body (), the control piston () having a rod () which protrudes from the body () and a head () which slides in the compression chamber (). The damper is notable in that, the compression chamber () comprising a variable-section radial opening (), the damper () is provided with a hydraulic compensation chamber () which receives a first fluid expelled from the annular compression chamber () via the variable-section radial opening () when the control piston () moves.