B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 1/38 (2006.01)
Patent
CA 2630276
A method of reducing frictional resistance between a ship body and water by releasing gases in water includes the steps of: (a) providing a plurality of gas outlets disposed at predetermined positions under a water level of a fore part of a hull of the ship body for releasing the gases; (b) using the effect of gases released vertically upward in the water and along an aslant wall of the hull to partially separate the hull from a water contact surface, so as to lower the average density of water at the contact surface with the hull; (c) selecting the position of releasing the gases according to parameters including the shape of the hull, the velocity, the draft depth and the water temperature, such that the released gases are attached onto the surface of the hull and floated to predetermined positions of the water surface through predetermined flow lines; and (d) using the compressibility of the gases and the gases released in a high pressure zone and a low pressure zone as a buffer layer to reduce the pressure of water to the hull in the high pressure zone and reduce the suction to the hull in the low pressure zone, for simultaneously reducing the pressure and the suction produced during the traveling of the ship body, and the released gases having the same characteristics as described in Step (b).
Gowling Lafleur Henderson Llp
Lin Zuei-Ling
LandOfFree
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