Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil
Patent
1994-03-25
1995-04-25
Swinehart, Edwin L.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Having hydrofoil
114 61, B63B 124
Patent
active
054089484
ABSTRACT:
A novel twin hull boat equipped with a pair of hydrofoils (3) and (4) comprising; a plurality of independently driven auxiliary wings (5/5) and (6/6) respectively being secured to both ends of a front hydrofoil (3) and a rear hydrofoil (4) secured to the bottom of the hull (1); a height sensor (11) for measuring height of the stem form water surface; a pair of inertia sensors or gyroscopes (13A) and (13B) for detecting rolling and pitching angles of the hull (1); a wing-angle sensor (10) for detecting angles of the auxiliary wings (5/5) and (6/6); and a controller (14) for controlling height of the stem constant, preventing the front hydrofoil (3) from coming out of water surface, and also controlling rolling and pitching behaviors of the hull (1) by driving the auxiliary wings (5/5) and (6/6) in accordance with a specific control mode selected by control-mode-setting switches (21) and (22).
REFERENCES:
patent: 2696796 (1954-12-01), Amster
patent: 3156209 (1964-11-01), Ask
patent: 3886884 (1975-06-01), Stark et al.
patent: 5152239 (1992-10-01), Hossfield et al.
Arii Toshihiko
Fujiya Katsuaki
Nakagawa Yuki
Nakai Yasuo
Takai Tadao
Hitachi Zosen Corporation
Swinehart Edwin L.
LandOfFree
Twin-hull boat with hydrofoils and control system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Twin-hull boat with hydrofoils and control system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Twin-hull boat with hydrofoils and control system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1561385