DEVICE FOR REDUCING THE POWER DEMAND FOR THE PROPULSION OF A SHIP

A device (10) for reducing the power demand for the propulsion of a ship, and for broad-built or non-broad-built not-very-fast ships of any type is de- signed in such a way that the device (10), which is affixed to the hull (100) at a short distance upstream of the propeller, comprises a fore-nozzle...

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Bibliographic Details
Main Author MEWIS, FRIEDRICH
Format Patent
LanguageEnglish
French
Published 09.07.2013
Subjects
MARINE PROPULSION OR STEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
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Summary:A device (10) for reducing the power demand for the propulsion of a ship, and for broad-built or non-broad-built not-very-fast ships of any type is de- signed in such a way that the device (10), which is affixed to the hull (100) at a short distance upstream of the propeller, comprises a fore-nozzle (20) with fins or hydrofoils (30; 30a, 30b, 30c, 30d) that are arranged within the fore-nozzle, wherein the fore-nozzle, at the top, can be tilted forwards, pref- erably by up to 8°, on a horizontal transverse axis that extends through the centre of the fore-nozzle.
Bibliography:Application Number: CA20092657477