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. 27, 2008
Filed:
Oct. 28, 2003
Michel Lecomte, Rueil-Malmaison, FR;
Bruno Fichet, Sennecey Le Grand, FR;
Eric Breuil, Lyons, FR;
Framatome ANP, Courbevoie, FR;
Abstract
The device comprises a first valve () and a second valve () each comprising a chamber () communicating via an admission orifice () with a circuit or a receptacle containing a first or a second fluid, and via an exhaust orifice () with exhaust means for the first or the second fluid, at least one valve member () mounted to move within the valve chamber () between a position for closing and a position for opening the exhaust orifice (), a piston () connected to the valve member () and resilient return means () for returning the valve member () to a closed position. Each of the first and second pistons () has a first face exposed to one of the first and second fluids, and an opposite second face subjected to a force exerted respectively by the second fluid or by the first fluid.