Marine propulsion – Jet drive
Patent
1998-05-14
2000-11-07
Avila, Stephen
Marine propulsion
Jet drive
114151, B63H 1100
Patent
active
061428418
ABSTRACT:
A maneuvering control system is provided which utilizes pressurized liquid at three or more positions of a marine vessel in order to selectively create thrust that moves the marine vessel into desired locations and according to chosen movements. A source of pressurized liquid, such as a pump or a jet pump propulsion system, is connected to a plurality of distribution conduits which, in turn, are connected to a plurality of outlet conduits. The outlet conduits are mounted to the hull of the vessel and direct streams of liquid away from the vessel for purposes of creating thrusts which move the vessel as desired. A liquid distribution controller is provided which enables a vessel operator to use a joystick to selectively compress and dilate the distribution conduits to orchestrate the streams of water in a manner which will maneuver the marine vessel as desired. Electrical embodiments of the present invention can utilize one or more pairs of impellers to cause fluid to flow through outlet conduits in order to provide thrust on the marine vessel. In one embodiment of the present invention, a cross thrust conduit is associated with a marine vessel to direct fluid flow in a direction perpendicular to a centerline of the marine vessel and a pair of outlet conduits are associated with the marine vessel to direct flows of fluid in directions which are neither parallel nor perpendicular to a centerline of the marine vessel. In this embodiment, reversible motors are used to rotate associated impellers in either forward or reverse directions. In any of the embodiments of the present invention, a joy stick control can be used to select or deselect each of the outlet conduits and, in certain embodiments, to select the direction of operation of an associated reversible motor.
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Dickson Stern Thruster.
Harbormaster Tunnel Thrusters.
Alexander, Jr. Charles F.
Schmitz David A.
Avila Stephen
Brunswick Corporation
Lanyi William D.
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