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:
Apr. 21, 2015
Filed:
Jan. 26, 2012
Naoto Kawase, Tokyo, JP;
Hidetoshi Yonemura, Tokyo, JP;
Toshihiro Kawashima, Tokyo, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
An inspection apparatus for a heat transfer tube is provided in an inspection robot to be fixed to a tube plate surface of a tube plate at which the heat transfer tube is opened and is for inspecting a seal-welded portion at which the heat transfer tube is welded to the tube plate. The inspection apparatus includes: an inserting unit to be inserted into and withdrawn from the heat transfer tube; a detecting unit having detecting unit for detecting the presence or absence of a defect at the seal-welded portion; a rotating mechanism for rotating the detecting unit around a central axis of the inserting unit; and a moving mechanism for moving, with respect to the inspection robot, the inserting unit, the detecting unit, and the rotating mechanism along the central axis for the rotation of the detecting unit.