Importance

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Abstract

An energy efficient system for reducing the water friction on the hull of a marine vessel. The contact of water with the portion of the outer surface of the hull of a marine vessel which normally engages the water is reduced by the strategic induction of pressurized or compressed air or gas to cover that outer surface. The compressed air is retained on the outer surface by various grooves, channels or semi-flat surfaces running the length of the vessels bottom and in certain applications vertical sides, which prevent the flow of the compressed gas to the surface of the water. The pressurized air or gas is recaptured before exiting the stern or sides and recycled to the bow through an energy efficient circulation system, thus recovering the energy in the compressed air or gas which has flowed from bow to stern. The larger and the deeper the hull displacement, the greater is the efficiency realized by the recycling of the compressed air or other gas.

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First Claim