Title:
WINDMILL
Document Type and Number:
WIPO Patent Application WO/2004/113721
Kind Code:
A1
Abstract:
A Savonius windmill (1) allowing an increase in rotating efficiency, comprising a rotating member (10) having a transmission shaft (3) and a connection member (8) and rotating around a specified rotating axis and a plurality of blades (5) connected to the rotating shaft (10) and rotated by wind applied to the wind receiving surfaces (5a) of the blades. The plurality of blades (5) guide the wind applied to the wind receiving surface (5a) of each of the blades (5) to the wind receiving surfaces (5a) of the other blades (5), and the area of the wind receiving surface (5a) of each of the blades is larger in areas apart from the rotating axis of the rotating member (10) than those near the rotating axis.
Inventors:
Yokoyama, Syuichi c/o Kogakuin University (24-2 Nishi-shinjuku 1-chom, Shinjuku-ku Tokyo 77, 16386, JP)
Takechi, Akio (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
Takechi, Yuji (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
Takechi, Akio (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
Takechi, Yuji (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
Application Number:
PCT/JP2004/009395
Publication Date:
December 29, 2004
Filing Date:
June 25, 2004
Export Citation:
Assignee:
TAMA-TLO, LTD. (Hachioji Square Bldg. 11F, 9-1 Asahi-ch, Hachioji-shi Tokyo 83, 19200, JP)
Yokoyama, Syuichi c/o Kogakuin University (24-2 Nishi-shinjuku 1-chom, Shinjuku-ku Tokyo 77, 16386, JP)
Takechi, Akio (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
Takechi, Yuji (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
Yokoyama, Syuichi c/o Kogakuin University (24-2 Nishi-shinjuku 1-chom, Shinjuku-ku Tokyo 77, 16386, JP)
Takechi, Akio (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
Takechi, Yuji (148-A-605, Naka-kibougaoka Asahi-k, Yokohama-shi Kanagawa 25, 24108, JP)
International Classes:
F03D11/00; F03D3/02; F03D3/06; (IPC1-7): F03D3/06; F03D3/02
Attorney, Agent or Firm:
Satoh, Takahisa (Sohshin International Patent Office, 4-2 Yanagibashi 2-chom, Taito-ku Tokyo 52, 11100, JP)
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