Title:
風車
Document Type and Number:
Japanese Patent JP4061599
Kind Code:
B2
Abstract:
To enlarge rotation torque at a time of breeze and materialize safety at a time of strong wind.
This windmill is provided with a horizontal shaft 11 and a strip shape blade 13 assembled on the horizontal shaft 11 via hubs 12, 12. Each blade 13 is smoothly bent and is connected to the hubs 12, 12 with making both ends parallel with the horizontal shaft 11.
COPYRIGHT: (C)2006,JPO&NCIPI
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Inventors:
Miyanishi Akira
Application Number:
JP2004249549A
Publication Date:
March 19, 2008
Filing Date:
August 30, 2004
Export Citation:
Assignee:
Miyanishi Akira
International Classes:
F03D11/00; F03D1/06
Domestic Patent References:
| JP2001073923A | ||||
| JP7004342A | ||||
| JP2002188403A |
Foreign References:
| WO2003021105A1 | ||||
| DE3919157A1 | ||||
| DE19820766A1 | ||||
| FR2283331A1 |
Attorney, Agent or Firm:
Tadaaki Matsuda