Title:
STARTING WIND SPEED REDUCING DEVICE FOR WIND MILL
Document Type and Number:
Japanese Patent JP2004060646
Kind Code:
A
Abstract:
To start a wind mill at a low wind speed without reducing a rated output at a rated wind speed by offering simple construction permitting automatic change in the pitch angle of a blade when and after started.
In the horizontal propeller wind mill, a mounting portion 21 of the blade 2 is supported slidably to the radial direction of a rotor shaft 11 by a holder 3, a spring 5 is provided for drawing the blade 2 to the center of the rotor shaft 11, and a spiral guide groove 1 and a guide pin 6 are provided for guiding the blade 2 to be rotated around a blade axis Y when the blade 2 is moved to the radial direction of the rotor shaft 11.
Inventors:
SHIBATA HIROTOSHI
Application Number:
JP2003161177A
Publication Date:
February 26, 2004
Filing Date:
June 05, 2003
Export Citation:
Assignee:
FURUKAWA CO LTD
International Classes:
F03D7/04; F03D1/06; (IPC1-7): F03D7/04; F03D1/06
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Tadayuki Miyazaki
Yoshiaki Naito
Cui Shu Tetsu
Tadayuki Miyazaki
Previous Patent: EVAPORATING FUEL PURGING CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE
Next Patent: ISOLATED MOUNTING PART OF FLEXIBLE METAL ELEMENT
Next Patent: ISOLATED MOUNTING PART OF FLEXIBLE METAL ELEMENT