Title:
SENSOR DEVICE AND PIPELINE MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/194975
Kind Code:
A1
Abstract:
An absolute thickness distribution cannot be accurately calculated with a conventional technique. A sensor device is provided that includes a plurality of magnetic sensors arranged to face an outer circumference surface of a pipeline and ultrasonic sensors arranged to face the outer circumference surface and measure a thickness of the pipeline in a measurement region in which the plurality of magnetic sensors measure a magnetic field, the ultrasonic sensors being less than the plurality of magnetic sensors.
Inventors:
OKABE NOBUO (JP)
YOSHITAKE SATOSHI (JP)
TAKENAKA KAZUMA (JP)
TANAKA YOSHIAKI (JP)
ITO SHUMPEI (JP)
YOSHITAKE SATOSHI (JP)
TAKENAKA KAZUMA (JP)
TANAKA YOSHIAKI (JP)
ITO SHUMPEI (JP)
Application Number:
PCT/JP2019/051633
Publication Date:
October 01, 2020
Filing Date:
December 27, 2019
Export Citation:
Assignee:
YOKOGAWA ELECTRIC CORP (JP)
International Classes:
G01R33/00; G01B21/08
Domestic Patent References:
| WO2013044350A1 | 2013-04-04 | |||
| WO2009156862A2 | 2009-12-30 |
Foreign References:
| CN108226277A | 2018-06-29 | |||
| EP3236252A1 | 2017-10-25 | |||
| US20180259486A1 | 2018-09-13 | |||
| JPH0147641B2 | 1989-10-16 |
Other References:
ZHENG LIU ET AL: "State-of-the-Art Review of Technologies for Pipe Structural Health Monitoring", IEEE SENSORS JOURNAL, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 12, no. 6, 1 June 2012 (2012-06-01), pages 1987 - 1992, XP011442273, ISSN: 1530-437X, DOI: 10.1109/JSEN.2011.2181161
Attorney, Agent or Firm:
RYUKA IP LAW FIRM (JP)
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