Title:
PITCH ANGLE CONTROL DEVICE FOR WIND TURBINE BLADE
Document Type and Number:
Japanese Patent JP2009008095
Kind Code:
A
Abstract:
To facilitate assembly work and maintenance work of a pitch angle control device 17.
A reduction gear 19 is externally mounted on one side of a cover 21 surrounding a transmission means 72 transmitting rotation to the reduction gear 19 from a main motor 24 or a sub motor 58, and the main motor 24 and the sub motor 58 are externally mounted on another side of the cover 21. Consequently, assembly work is facilitated as compared to a case where the same is built in a case. A failure component can be easily exposed and repaired by only removing the reduction gear 19 or the like when any of components fails. Consequently, maintenance work is facilitated.
Inventors:
INOUE TAKASHI
Application Number:
JP2008231116A
Publication Date:
January 15, 2009
Filing Date:
September 09, 2008
Export Citation:
Assignee:
NABTESCO CORP
International Classes:
F03D7/04; F03D11/00
Domestic Patent References:
| JPH01277683A | 1989-11-08 | |||
| JP2003083400A | 2003-03-19 |
Attorney, Agent or Firm:
Patent Corporation Wandee ip Partners