Title:
PROPELLER TYPE FLOWING FORCE PRIME MOVER AND BLADE THEREOF
Document Type and Number:
WIPO Patent Application WO/2005/015009
Kind Code:
A1
Abstract:
A propeller type flowing force prime mover (1) with novel blade shape allowing high rotational drive force and high rotational speed irrespective of whether the speed of fluid is high or low and capable of securing safety against high speed fluid, wherein a rotating shaft (2) faces a fluid flow direction and blades (5) are generally radially fitted to the rotating shaft (2). The sections of the blades (5) are formed in a J-shape, the outsides (5a) of the J-shaped curved parts of the blades are used as the leading edges of the blades in the blade rotating direction and the insides (5b) of the J-shaped long piece parts of the blades are used as blade surfaces, and recessed parts (5c) on the insides of the curved parts are used as flow force receiving parts.
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Inventors:
HANEDA MASAJI (JP)
Application Number:
PCT/JP2004/006785
Publication Date:
February 17, 2005
Filing Date:
May 13, 2004
Export Citation:
Assignee:
NTT DATA CORP (JP)
HANEDA MASAJI (JP)
HANEDA MASAJI (JP)
International Classes:
F03B3/12; F03B3/14; F03D1/04; F03D1/06; F03D7/04; F03D9/00; F03D11/00; (IPC1-7): F03D1/06; F03B3/12; F03D1/04
Foreign References:
| JP2001132614A | 2001-05-18 | |||
| US4075500A | 1978-02-21 | |||
| JPS60116879A | 1985-06-24 | |||
| JP2004032761A | 2004-01-29 | |||
| JPS544942U | 1979-01-13 | |||
| JP3029106U | 1996-09-27 | |||
| US2996120A | 1961-08-15 | |||
| US5599172A | 1997-02-04 | |||
| JP2000310179A | 2000-11-07 |
Attorney, Agent or Firm:
Sakai, Hiroaki (Kasumigaseki Building 2-5, Kasumigaseki 3-chom, Chiyoda-ku Tokyo, JP)
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