ACTIVE BILGE WATERCRAFT MOTION STABILIZER Russian patent published in 2021 - IPC B63B39/00 B63H1/00 

Abstract RU 2749820 C2

FIELD: shipbuilding.

SUBSTANCE: invention relates to the area of shipbuilding, particularly watercraft motion stabilizers. The active bilge watercraft motion stabilizer constitutes a series of flexible plates united by a single rigid rib creating the required advanced bending of the fin towards the flap rotation of the blade. The rigid rib of the anterior-end edge is followed by internal ribs with smoothed membranes participating in flap movements by a predetermined kinematic scheme with uniform force load distribution and optimal sliding of local fragments of the fin blade relative to the liquid flows made vortical thereby. The active bilge watercraft motion stabilizer is also intended to work as an auxiliary propulsion apparatus providing pulse thrust in the flap movement modes in the phase of the wing with jet streams near the side planking of the ship; the propulsion apparatus is capable of creating a relatively low thrust in a pulseless mode simultaneously acting as an active stabilizer, including configuration to operate without advancing the ship.

EFFECT: invention allows achieving a higher efficiency coefficient of a stabilizer by compensating for vortices caused by liquid flow breakaway from the wing edge.

1 cl, 2 dwg

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RU 2 749 820 C2

Authors

Degtyarev Aleksandr Borisovich

Bogdanov Aleksandr Vladimirovich

Khramushin Vasilij Nikolaevich

Dates

2021-06-17Published

2019-11-26Filed