Title:
WIND TURBINE BLADE, WIND TURBINE BLADE MONITORING DEVICE, WIND POWER GENERATION DEVICE, AND WIND TURBINE BLADE MONITORING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/085655
Kind Code:
A1
Abstract:
This wind turbine comprises: a blade body; a down conductor that extends along the longitudinal direction of the blade body; and at least a pair of magnetic-field sensors which are disposed at positions inside of the blade body so as to sandwich the down conductor, and which are for detecting a local magnetic field at each of said positions.
Inventors:
AOI TATSUFUMI (JP)
YAMAMOTO SYUSAKU (JP)
MURATA NAOTO (JP)
TSUMURA YOICHIRO (JP)
YAMAMOTO SYUSAKU (JP)
MURATA NAOTO (JP)
TSUMURA YOICHIRO (JP)
Application Number:
PCT/JP2021/038514
Publication Date:
April 28, 2022
Filing Date:
October 19, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F03D80/30; F03D1/06; F03D17/00
Foreign References:
| US20070041834A1 | 2007-02-22 | |||
| JP2017150827A | 2017-08-31 | |||
| JP2012117446A | 2012-06-21 | |||
| JP2019120219A | 2019-07-22 | |||
| JP2020176259A | 2020-10-29 | |||
| US8258773B2 | 2012-09-04 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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