Control system and method of controlling towed marine object
AssigneeKarmøy Winch AS
InventorMagne Hystad
Life of this patent
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Abstract
A control system for a towed object (1, 6; 20; 30; 50) in or on a body of water comprise one or more towing members (3) extending between the object (1) and a towing vessel (2). One or more ballast members (4) are movably connected to a respective one of said one or more towing members (3) and controllably movable at least a distance along its respective towing member. The towed object (1) may be controlled by moving one or more ballast members (4) on a towing member (3) in order to control the catenary (c) of a towing member (3). Individual ballast members (4) may be manipulated individually in order to correct, preserve or otherwise change the geometry of a trawl.
Claims15
A control system for a towed object in or on a body of water, comprising:
- one or more towing devices extending between the object and a towing vessel,
- one or more ballasts movably connected to a respective one of said one or more towing devices, and
- a control cable configured to control the ballast position on the towing device, the control cable connected to a winch on the towing vessel, wherein the one or more ballasts are controllably movable at least a distance along its respective towing device.
Dependencies are inferred from the claim text.