Nozzle propeller device

Details Nozzle propeller device Nozzle propeller device

B - Operations, Transporting

63

H

115/23

B63H 1/14 (2006.01) B63H 5/14 (2006.01) B63H 5/15 (2006.01) B63H 5/16 (2006.01)

Patent

CA 2025507

Abstract The invention relates to a nozzle propeller device, which comprises a propeller nozzle (12), inside which is arranged a propeller (14) driven by a propeller shaft 22. In front of the propeller (14) arranged to rotate inside the propeller nozzle (12) is arranged a front piece (16) acting as an ice crusher and provided with blades (17) or corresponding extensions, which front piece is arranged to rotateon the same rotational shaft (S-S) as the propeller (14). Said front piece (16) is preferably provided with a drive, but it can also be freely rotative.

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