SHIP PROPULSING AND STEERING DEVICE Russian patent published in 2010 - IPC B63H1/28 B63H25/38

Abstract RU 2390464 C2

FIELD: transport.

SUBSTANCE: invention relates to ship propulsion-steering devices. Streamlined bulb is made integral with rudder and has a clearance with water propeller. Said clearance is covered by hood. Rudder features curved shape. Rudder is bent towards incoming water flow, that is, rudder curvature below and above said bulb is directed in opposite directions. Rudder curvature angle nearby bulb is minimum and decreases with distance from bulb.

EFFECT: higher maneuverability.

15 cl, 13 dwg

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RU 2 390 464 C2

Authors

Pettersson Jeran

Krevel' Nerland Kore

Dates

2010-05-27—Published

2006-03-29—Filed