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특허 상세정보

Windmill for wind power generation

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01D-007/00    F03D-007/06    F03D-007/00    F03D-007/02   
미국특허분류(USC) 290/055; 290/054
출원번호 US-0505451 (2003-09-19)
우선권정보 JP-2002-275032(2002-09-20)
국제출원번호 PCT/JP03/012031 (2003-09-19)
§371/§102 date 20040901 (20040901)
국제공개번호 WO04/027259 (2004-04-01)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Oblon, Spivak, McClelland, Maier &
인용정보 피인용 횟수 : 9  인용 특허 : 21

A windmill for highly efficient wind power generation is provided by enabling one to efficiently rotate the windmill even in starting or at a low wind speed region by improving a blade of a vertical shaft type windmill of a lift type. In the windmill for wind power generation, a plurality of blades are provided in parallel with a rotating shaft in a face orthogonal to the vertical rotating shaft at constant angles centering on the rotating shaft, wherein the blade is of a blade type having a high lift coefficient at low Reynolds number and a notch portio...


The invention claimed is: 1. A windmill for wind power generation which comprises: a windmill for wind power generation comprising a plurality of blades with constant angles centering on a vertical rotating shaft in a face orthogonal to the vertical rotating shaft, wherein the blade is formed in an outer periphery thereof with a bent plate having a streamline shape, has a high lift coefficient at a low Reynolds number and has a notch portion formed therein along a predetermined length between a front edge and a rear edge of the blade. 2. The windmill...

이 특허에 인용된 특허 (21)

  1. Middleton John C. (Davenham GB2) Ramshaw Colin (Norley GB2). Agitators. USP1993035198156.
  2. Tangler James L. (Boulder CO) Somers Dan M. (State College PA). Airfoils for wind turbine. USP1996105562420.
  3. Tangler James L. ; Somers Dan M.. Airfoils for wind turbine. USP2000056068446.
  4. Weaver, David Eugene; Nash, Richard E.; Blake, James W.. Apparatus and method for fluid drive conversion. USP2005036872045.
  5. Johnston J. Ford (Sunland CA) Farone William A. (Irvine CA) Mikhail Amir (Northridge CA). Composite wind turbine rotor blade and method for making same. USP1990124976587.
  6. Robles Akesolo Miguel Angel,ESXITX ES-09511. Eolian energy production systems. USP2000066081043.
  7. Dereng Viggo G. (702 Juniper Dr. Newport News VA 23601). Fixed geometry self starting transverse axis wind turbine. USP1981044264279.
  8. Hellhake Ferdinand F. ; Schlesinger Dan ; Nguyen Thomas Tan Ngoc. Grille bar and radiator for a vehicle. USP2000016012761.
  9. Bakker Andries. Impeller assembly with asymmetric concave blades. USP1998085791780.
  10. Michael S. Selig ; William Holmes CA; Frank Stauder CA. Low reynolds number, low drag, high lift airfoil. USP2002056382921.
  11. Smith John M. (Cranleigh GBX). Reversible mixing impeller. USP1994055316443.
  12. Tangler James L. (Boulder CO) Somers Dan M. (State College PA). Root region airfoil for wind turbine. USP1995055417548.
  13. Seki, Kazuichi. Straight wing type wind and water turbine. USP2005126974309.
  14. Kato Yoshio (Tokyo JPX) Seki Kazuichi (Isehara JPX) Shimizu Yoshio (Kanagawa JPX). Vertical axis type wind power turbine. USP1981084285636.
  15. Barnes Robert J. (P.O. Box 341601 Milwaukee WI 53234). Vertical axis wind turbine. USP1993105252029.
  16. Thomas Robert N. (Ventura CA). Vertical windmill with omnidirectional diffusion. USP1991105057696.
  17. Thomas Robert N. (Ventura CA). Vertical windmill with omnidirectional diffusion. USP1994075332925.
  18. Rice,Pahl W.. Wind dam electric generator and method. USP2006016984899.
  19. Yea Ton A. (3 F ; No. 27 ; Tzyh-Chyang Street Tuu-Cheng City ; Taipei Hsien TWX). Wind power machine. USP1995105463257.
  20. Bair Puran (49 Elliot St. Jamaica Plain MA 02130). Wind powered generator with cyclic airfoil latching. USP1981124303835.
  21. Wolf Randolph J. (Monument CO). Wind turbine with stationary vertical support tower and airflow-directing shell. USP1993045203672.