Device for lowering the drive output requirements of a ship

The device (10) has a front nozzle (20) including fins or air foils (30, 30d) arranged within the front nozzle, where the device is firmly attached to a ship body (100). Inner diameter of the front nozzle is smaller than 90 percent of an air-screw diameter. The front nozzle is arranged rotation-symm...

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Bibliographic Details
Main Author MEWIS, FRIEDRICH
Format Patent
LanguageEnglish
French
German
Published 22.04.2015
Subjects
MARINE PROPULSION OR STEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
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Summary:The device (10) has a front nozzle (20) including fins or air foils (30, 30d) arranged within the front nozzle, where the device is firmly attached to a ship body (100). Inner diameter of the front nozzle is smaller than 90 percent of an air-screw diameter. The front nozzle is arranged rotation-symmetrically with an axis (21) lying above an air-screw axis (PA). The fins and the air foils are arranged asymmetrically in an inner space (20a) of the front nozzle and radially to the air screw axis.
Bibliography:Application Number: EP20090003150