Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BLADE SYSTEM FOR VERTICAL SHAFT WIND POWER GENERATOR
Document Type and Number:
WIPO Patent Application WO/2010/130082
Kind Code:
A1
Abstract:
A blade system for a vertical shaft wind power generator has at least two blades (1), a blade shaft (3) is provided above the horizontal balance axis (2) of each blade (1), the distance (H) between the blade shaft (3) and the horizontal balance axis (2) ensures that the force difference above and under the blade shaft (3) makes the blade (1) rotate from a horizontal condition to a vertical condition rapidly under the action of the force difference when there is no wind, and rotate around the blade shaft (3) when there is wind; one end of the blade shaft (3) is fixed to a wind wheel shaft (4), the blade (1) is actively connected to the blade shaft (3), the wind deflecting surface (12) of the blade (1) and the axis of the blade shaft (3) are in the same plane; a restrictor (14) is provided on the blade shaft (3), for restricting the blade (1) to rotate horizontally in unidirectional direction when it is in the vertical condition.

Inventors:
WEI BIN (CN)
Application Number:
PCT/CN2009/071740
Publication Date:
November 18, 2010
Filing Date:
May 12, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
WEI BIN (CN)
International Classes:
F03D3/06; F03D9/00; F03D11/00
Foreign References:
CN101012805A2007-08-08
CN2324311Y1999-06-16
CN2680892Y2005-02-23
US20040164561A12004-08-26
CN2037004U1989-05-03
CN2602185Y2004-02-04
CN2835636Y2006-11-08
CN87209026U1988-05-11
RU2248462C22005-03-20
CN2368996Y2000-03-15
DE202008007752U12008-10-16
CN2797675Y2006-07-19
Attorney, Agent or Firm:
BEIJING SUNHOPE INTELLECTUAL PROPERTY LTD. (Siote 1106 Kunxun Plaza,Zhichun Road, Haidian District Beijing 3, CN)
Download PDF:
Claims: