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1. (WO2018139590) WATER FLOW POWER GENERATOR

Pub. No.:    WO/2018/139590    International Application No.:    PCT/JP2018/002521
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Sat Jan 27 00:59:59 CET 2018
IPC: F03B 13/26
F03B 13/10
Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD.
三菱重工業株式会社
Inventors: ISHIDA, Hiroyuki
石田 裕幸
TANIGAKI, Shinkichi
谷垣 信吉
ASANO, Shin
浅野 伸
Title: WATER FLOW POWER GENERATOR
Abstract:
This water flow power generator 201 is provided with: a blade 223 which rotates with the force of water flow; a rotor (the rotating unit) 202 which is linked to the blade 223 and rotates integrally with the blade 223; a generator (a generator unit) 206 which is linked to the rotor 202 and generates power with the rotational force of the rotor 202; an internal space V which covers the generator 206 and in which the generator 206 is arranged; a nacelle 207 which forms a boundary with the water where the blade 223 is arranged and has an internal space V that is a gas environment; and a bearing unit 204 which supports the rotor 202 with respect to the nacelle 207. The bearing unit 204 comprises a thrust bearing 241 which is provided in the internal space V and which supports the rotor 202 from the axial direction, and a journal bearing 242 which is provided between the nacelle 207 and the blade 223 and which supports the rotor 202 from the radial direction.