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. 05, 2009
Filed:
Mar. 29, 2006
Luc Mesnier, Fresnes sur Marne, FR;
Amine Dalibey, Vitry sur Seine, FR;
Luc Mesnier, Fresnes sur Marne, FR;
Amine Dalibey, Vitry sur Seine, FR;
Gaz de France, Paris, FR;
Abstract
The invention relates to a flow control device which is insertable into a fluid pipeline (K) and comprising a valve (), an obturator with membrane (), and anchoring flaps () that can deploy like umbrella spokes under the action of an elastic stress until it presses against the wall (P) of the pipeline (K). According to the invention, the membrane () and the flaps () are mutually attached to and disposed on a same side of the valve body (), so that as the flaps () deploy the membrane () deploys at the same time until the membrane presses against the internal wall of the pipeline (K) and the fluid exerts on the deployed membrane a pressure which increases the pressure of the flaps () against this wall (P).