Title:
THIN WING
Document Type and Number:
Japanese Patent JP2007205359
Kind Code:
A
Abstract:
To provide a thin, lightweight, and effective aerofoil of wind turbines, water turbines, and aircraft.
In this thin wing 5 of wind turbines, water turbines, and aircraft, a vein-like projecting pattern is formed at least on the front surface of the wing surface 51. The thin wing is formed of circular arcs of seven max. in quantity. The cross sectional shape of the leading edge of the wing is generally circular or elliptic. The area of the wing between the portion of the leading edge formed in the generally circular or elliptic in cross section and the wing surface is convex.
COPYRIGHT: (C)2007,JPO&INPIT
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Inventors:
NAGAI MINORU
AMAHISA KAZUMASA
NAGAI YOSHIOKI
AMAHISA KAZUMASA
NAGAI YOSHIOKI
Application Number:
JP2007117736A
Publication Date:
August 16, 2007
Filing Date:
April 26, 2007
Export Citation:
Assignee:
UNIV RYUKYUS
International Classes:
F03D11/00; B64C3/14; B64C21/10; F03B3/04; F03B3/12; F03D1/06
Attorney, Agent or Firm:
Yasufumi Fukushima