Title:
水車式駆動装置
Document Type and Number:
Japanese Patent JP4628969
Kind Code:
B2
Abstract:
To provide a waterwheel drive unit which is used even in a river, etc., where the flow speed is so low that the waterwheel hardly rotates, by improving the flow speed of the water which influences the rotation of the waterwheel to improve the rotation of the waterwheel.
The waterwheel 3 of a vertical axis to make a vertical water shaft 1 almost vertical is provided near a wall surface S1 of a water passage S. A water straightening vane 5 in a submerged weir shape is arranged to intercept the upper portion of the waterwheel 3 from the water surface S1 upstream of the waterwheel 3, and provided to form a passage 4 of a predetermined height between the water bottoms.
COPYRIGHT: (C)2007,JPO&INPIT
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Inventors:
Tomohisa Sato
Hisashi Ono
Hisashi Ono
Application Number:
JP2006030432A
Publication Date:
February 09, 2011
Filing Date:
February 08, 2006
Export Citation:
Assignee:
Hitachi Plant Technology Co., Ltd.
International Classes:
F03B7/00
Domestic Patent References:
| JP10238449A | ||||
| JP61101678U | ||||
| JP61095985U | ||||
| JP2006348897A |
Attorney, Agent or Firm:
Osamu Mori