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Patent Searching and Data


Title:
HIGH-LIFT DEVICE, MAIN WING OF AIRPLANE, HYDROFOIL OF HYDROFOIL CRAFT, AND ENGINE COWL FOR AIRPLANE
Document Type and Number:
WIPO Patent Application WO/2019/198349
Kind Code:
A1
Abstract:
In order to increase lift and reduce resistance, this high-lift device, which comprises a blade main body section the rear end of which forms an acute angle and an acute-angle section secured to the tip-end side of the blade main body section, is characterized in that in a cross section of the high-lift device the height position of the tip-end point of the acute-angle section is located between a projected lower-end line of the high-lift device and a projected vertical centerline of the high-lift device.

Inventors:
HASEGAWA Takashi (5-48, Higashihashimoto 3-chome Midori-ku, Sagamihara-sh, Kanagawa 44, 〒2520144, JP)
Application Number:
JP2019/006700
Publication Date:
October 17, 2019
Filing Date:
February 22, 2019
Export Citation:
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Assignee:
HASEGAWA Takashi (5-48, Higashihashimoto 3-chome Midori-ku, Sagamihara-sh, Kanagawa 44, 〒2520144, JP)
International Classes:
F15D1/12; B63B1/24; B64C3/14; B64D29/06
Foreign References:
JP3192450U2014-08-14
JPS4865691A1973-09-10
JP2017024469A2017-02-02
JP2011084247A2011-04-28
JP2015504813A2015-02-16
JP2013233926A2013-11-21
JP2017120066A2017-07-06
JPH07267191A1995-10-17
US20110023495A12011-02-03
DE3835213A11990-05-10
Attorney, Agent or Firm:
SHOYO INTELLECTUAL PROPERTY FIRM (6F Tobu Yokohama 2ND Bldg, 15-1 Kitasaiwai 2-chome, Nishi-ku, Yokohama-sh, Kanagawa 04, 〒2200004, JP)
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