Title:
METHOD, DEVICE AND SYSTEM FOR DIAGNOSING PIPE
Document Type and Number:
WIPO Patent Application WO/2018/105142
Kind Code:
A1
Abstract:
The present invention discloses a technology for specifying an abnormal area of a pipe in a state wherein equipment is normally operating. Disclosed is a pipe diagnostic method that is provided with: a step for periodically changing the temperature of a fluid flowing in a pipe; a step for measuring the temperature of a pipe surface of a region where the temperature-changed fluid passes through; and a step for estimating the position of an abnormal area of the pipe on the basis of a temperature change of the pipe surface.
Inventors:
TAKASU YOICHI (JP)
SOEDA TAKESHI (JP)
SOEDA TAKESHI (JP)
Application Number:
PCT/JP2017/016211
Publication Date:
June 14, 2018
Filing Date:
April 24, 2017
Export Citation:
Assignee:
FUJITSU LTD (JP)
International Classes:
G01N25/72; F17D5/00
Foreign References:
| JPH0293315A | 1990-04-04 | |||
| JPS61195326A | 1986-08-29 | |||
| JPH01147354A | 1989-06-09 | |||
| JP2000161943A | 2000-06-16 | |||
| JP2006284416A | 2006-10-19 | |||
| JPH04312300A | 1992-11-04 | |||
| US20140198821A1 | 2014-07-17 |
Attorney, Agent or Firm:
HIRAKAWA, Akira et al. (JP)
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