Title:
WIND POWER GENERATION DEVICE
Document Type and Number:
Japanese Patent JP2017002729
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a wind power generation device capable of supporting a platform with a simple structure and coping with leakage of lubricant from a nacelle and thereby improving reliability.SOLUTION: A wind power generation device 1 comprises: a blade 5 which rotates by receiving wind; a generator 34 which generates power using rotational energy of the blade 5; a power transmission section which transmits the rotational energy of the blade 5 to the generator 34; an oil tank 37 which stores lubricant to be supplied to the power transmission section; a nacelle 3 which stores the generator 34, the oil tank 37 and at least a portion of the power transmission section; and a tower 2 which rotatably supports the nacelle 3. The tower 2 has a platform 11a with at least a portion of an outer periphery thereof fixed to an inner wall face of the tower 2 by welding.SELECTED DRAWING: Figure 5
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Inventors:
RYU SHUGEN
TOBINAGA IKUO
UENO YUJI
SUGIYAMA TAKASHI
TOBINAGA IKUO
UENO YUJI
SUGIYAMA TAKASHI
Application Number:
JP2015113883A
Publication Date:
January 05, 2017
Filing Date:
June 04, 2015
Export Citation:
Assignee:
HITACHI LTD
International Classes:
F03D80/00
Domestic Patent References:
| JP2011196183A | 2011-10-06 | |||
| JP2008520861A | 2008-06-19 | |||
| JP2014504343A | 2014-02-20 |
Foreign References:
| DE202010018126U1 | 2014-04-02 | |||
| DE102011088920A1 | 2013-06-20 | |||
| WO2011064886A1 | 2011-06-03 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation