Marine propulsion – Jet drive
Reexamination Certificate
2006-03-10
2008-09-09
Swinehart, Ed (Department: 3617)
Marine propulsion
Jet drive
C440S047000
Reexamination Certificate
active
07422498
ABSTRACT:
Presented is a way to reduce the wave drag of high speed ships by ingesting wave energy into water propulsors disposed at the bow and/or on the sides of the main hull of the ship. A forward secondary bow disposed at a lower portion of the main bow of the ship is an optimum location to have bow water propulsor water inlets. Performance of the water propulsors can be enhanced by using Coanda effect water energizers at the inlets to the water propulsors. Water propulsor discharge is preferably into an air layer on the underside of the ship's main hull.
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patent: 5505639 (1996-04-01), Burg
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