Buoys – rafts – and aquatic devices – Buoy – Having means to control attitude or position
Patent
1993-09-02
1995-02-07
Basinger, Sherman
Buoys, rafts, and aquatic devices
Buoy
Having means to control attitude or position
441 23, B63B 2218
Patent
active
053871448
ABSTRACT:
A spar buoy is so arranged that a buoyancy body (1) is provided halfway on a marker mast (2), the lower end of the marker mast (2) being moored to a sinker (7) sunk at water bottom by a mooring device (6) and that the buoyancy body 1 is pulled in the water so that the water line comes to halfway on the marker mast (2) above the buoyancy body (1), the spar buoy comprising at least two arms (8, 8) protruded in opposite directions to each other from the marker mast (2) below the buoyancy body (1), and blades (9, 9) attached to the end of each arm (8) so as to have a positive angle of attack .alpha. toward the center of the buoy.
Arimura Tadahiro
Aso Hiroshi
Fukutomi Mikio
Harada Junichi
Nakazawa Tsuyoshi
Basinger Sherman
Zeni Lite Buoy Co., Ltd.
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