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1. (WO2018105590) WINDMILL DRIVE DEVICE, WINDMILL DRIVE DEVICE UNIT, AND WINDMILL

Pub. No.:    WO/2018/105590    International Application No.:    PCT/JP2017/043585
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Wed Dec 06 00:59:59 CET 2017
IPC: F03D 17/00
F03D 7/04
G01L 5/00
Applicants: NABTESCO CORPORATION
ナブテスコ株式会社
Inventors: NOHARA Osamu
野原 修
HOSODA Shigeru
細田 茂
ASAKAWA Yuichi
浅川 雄一
Title: WINDMILL DRIVE DEVICE, WINDMILL DRIVE DEVICE UNIT, AND WINDMILL
Abstract:
[Problem] To quickly and accurately detect abnormalities at a windmill drive device. [Solution] A windmill drive device 10 that has a drive device main body 20 and a sensor 40. The drive device main body 20 is arranged on one structure of a mobile section of a windmill 101. The drive device main body 20 has an engagement part 24a that engages a ring gear 107 that is arranged on another structure of the mobile portion of the windmill. The sensor 40 measures changes in the arrangement of the drive device main body 20 on the one structure.