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:
Jun. 03, 2014
Filed:
Sep. 29, 2011
Tetsuya Ikeda, Tokyo, JP;
Seiji Kagawa, Tokyo, JP;
Susumu Okino, Tokyo, JP;
Takuya Okamoto, Tokyo, JP;
Tetsuya Ikeda, Tokyo, JP;
Seiji Kagawa, Tokyo, JP;
Susumu Okino, Tokyo, JP;
Takuya Okamoto, Tokyo, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Abstract
There is provided a device for monitoring a thickness reduction of an inner surface in a heat transfer tube or an inner surface in an evaporation tube, the device including: a movement unit which moves along a fin tube; a laser measurement unit which is provided in the movement unit and measures the thickness reduction of the inner surface by a laser; a cable which includes a light guiding path for introducing a laser into the laser measurement unit and a light deriving path for transmitting reflected light; and a thickness reduction determining unit which compares the laser measurement data with past data or standard data and determines the current thickness reduction.