Title:
LIFT GENERATOR
Document Type and Number:
WIPO Patent Application WO/2017/158674
Kind Code:
A1
Abstract:
A lift generator (10) is positioned in front of a propeller (3) of a ship (1). The lift generator (10) includes a wall part (7) extending in the circumferential direction around an extension line (Ce) of the central axis (C) of the propeller (3). A flow path penetrating the wall part (7) in the direction of the extension line (Ce) is formed inside the wall part (7). In an airfoil, an outer side surface forming an outer circumferential surface (7a) of the wall part (7) is curved inward so as to form a recess. The airfoil satisfies |dt/dx|≤0.15 over the entire range from a set position, at which the airfoil has a maximum thickness, to the trailing edge, wherein dx represents the minute change amount of a position coordinate x in the blade chord direction of the airfoil, dt represents the minute change amount of a thickness t with respect to dx, and |dt/dx| represents the magnitude of dt/dx.
More Like This:
| JPS59164280 | SHAPE OF STERN OF MULTIPLE SCREW SHIP |
Inventors:
MASUDA SATOSHI (JP)
MAKINO KOJI (JP)
TAKAGISHI KENJI (JP)
MAKINO KOJI (JP)
TAKAGISHI KENJI (JP)
Application Number:
PCT/JP2016/057946
Publication Date:
September 21, 2017
Filing Date:
March 14, 2016
Export Citation:
Assignee:
JAPAN MARINE UNITED CORP (JP)
International Classes:
B63H5/16
Domestic Patent References:
| WO2014115567A1 | 2014-07-31 |
Foreign References:
| KR20120136072A | 2012-12-18 | |||
| JPS5533896U | 1980-03-04 | |||
| JPH0424895U | 1992-02-27 | |||
| JPS56138093A | 1981-10-28 | |||
| JP2002220089A | 2002-08-06 | |||
| JPS58173599U | 1983-11-19 | |||
| JP2015221652A | 2015-12-10 | |||
| JPS5758587A | 1982-04-08 |
Attorney, Agent or Firm:
HOTTA Minoru (JP)
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