WATER JET PROPULSION SYSTEM
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United States of America Patent
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app pub date -
Oct 7, 2008
filing date -
Apr 11, 2005
priority date (Note) -
Abandoned
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Abstract
A highly efficient watercraft propulsion system that relies on a positive displacement pump to generate a water jet. The pump is fully submerged at all times and its inlet is positioned so as to cause water to be forced into the pump as the watercraft moves through the water. The pump is preferably combined with a variable area pump opening which is configured, positioned and oriented so as to maximize the hydraulic reaction between the water jet stream and the surrounding body of water.
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