FIELD: transportation, engines and pumps.
SUBSTANCE: ship screw rudder complex incorporates a drive engine arranged above the ship water line and linked with the ship shaft running in bearing in the nacelle below the water line, the said shaft being coupled with the screw shaft accommodating the propeller screw fitted thereon. The said complex comprises also a top shaft arranged parallel to the lower shaft and coupled with the drive engine output shaft. The top and lower shafts are crankshafts coupled via a con-rod mechanical transmission arranged between them and furnished with rod bearings. Rod and main bearings of the lower crankshaft are water-lubricated plain bearings. The nacelle space can communicate with outboard.
EFFECT: higher reliability and efficiency of screw rudder columns.
3 cl, 2 dwg
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RU2537503C2 |
