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Patent Searching and Data


Title:
DRAG-REDUCING BOAT
Document Type and Number:
WIPO Patent Application WO/2020/215926
Kind Code:
A1
Abstract:
A drag-reducing boat, comprising a boat body (1), a flow guide tube (2) and a propeller (3), the boat body (1) comprising a submerged hull (11) located below a waterline, the submerged hull (11) being surroundingly formed from two oppositely disposed side boards (111), a front end board (112), a back end board (113) and a bottom board (114), the two side boards (111) being flat boards, the two side boards (111) being vertically disposed and parallel to one another, the front end board (112) being upright and between the two side boards (111), frontmost ends of the two side boards (111) being frontmost ends of the submerged hull (11), the front end board (112) having disposed thereon a water inlet opening, the back end board (113) having disposed thereon a water outlet opening, the flow guide tube (2) extending from the water inlet opening to the water outlet opening, and the propeller (3) being disposed in the flow guide tube (2). When the present drag-reducing boat is traveling, the bow of the submerged hull does not break the surface of the water, and relative to a streamlined boat body which breaks the surface of the water, can reduce watercraft energy consumption, and decrease wave resistance.

Inventors:
GAO YANJUN (CN)
GAO JING (CN)
GAO CHAO (CN)
Application Number:
CN2020/079462
Publication Date:
October 29, 2020
Filing Date:
March 16, 2020
Export Citation:
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Assignee:
GAO YANJUN (CN)
International Classes:
B63B3/46; B63B1/32; B63B1/40; B63H5/15
Foreign References:
CN108394521A2018-08-14
CN107161279A2017-09-15
DE3006653A11981-09-10
CN202703841U2013-01-30
CN203958535U2014-11-26
GB2055080B1983-06-02
CN101074042A2007-11-21
CN202138499U2012-02-08
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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