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:
Jan. 10, 2012
Filed:
Dec. 26, 2006
Marc Gely, Fontaines, FR;
Philippe Jambon, Moncenis, FR;
Christophe Parize, Jambles, FR;
Areva NP, Courbevoie, FR;
Abstract
The invention relates to a device () for operating in a water chamber () of a heat exchanger () comprising a wall () of substantially hemispherical shape and, at its upper portion, a tube plate () traversed by a plurality of vertical holes (). The device comprises at least one rail () furnished with members for attachment on the bottom face of the tube plate () and supporting at least one trolley () that can be moved along the said rail () and fitted with a pendular lifting means () and a robotic arm () comprising an attachment base () furnished with members for coupling on the bottom face of the tube plate () and a drive means interacting with the lifting means () to draw the attachment base () against the tube plate (). The invention applies more particularly to the steam generator of a pressurized water nuclear reactor.