B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
114/23
B63B 3/00 (2006.01) B63B 1/08 (2006.01) B63H 5/16 (2006.01)
Patent
CA 1054454
ABSTRACT OF THE DISCLOSURE The present invention relates to a ship which eliminates factors causing increase of the horsepower required for propulsion or increase in propeller cavitation, hull vibration and noise, all of which result from the water turbulence and nonuniformity of the flow field in the stern caused by weight of ship, and the present invention provides a ship having a ring-shaped construc- tion directly attached to the hull on both sides of the ship's stern in front of the propeller.
259019
Kunitake Yoshikuni
Narita Hitoshi
Yagi Hikaru
LandOfFree
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