Enclosed shaft system for marine propulsion

Details Enclosed shaft system for marine propulsion Enclosed shaft system for marine propulsion

B - Operations, Transporting

63

H

B63H 23/34 (2006.01)

Patent

CA 2665148

The system is an enclosed, oil filled, shaft and thrust bearing assembly which includes an oil pump to circulate the oil throughout the system. The thrust bearing assembly allows the thrust to be directed to the shafts mounting system rather than through the vessels main propulsion engines and isolators thereby reducing vibration and noise emissions. In addition the elimination of thrust loading transmitted directly to the propulsion engines reduces wear and tear on the engine mounts, isolators and engine support structures. The non rotating casing of the shaft assembly allows clean water to flow to the propeller which allows more delivered horsepower to be used by the propeller.

L'invention concerne un système qui est un ensemble de palier de butée et d'arbre fermé à huile comprenant une pompe à huile, destinée à faire circuler l'huile à travers le système. L'ensemble de palier de butée permet à la butée d'être dirigée vers le système de montage des arbres plutôt qu'à travers les isolateurs et moteurs de propulsion principaux des navires, réduisant ainsi les émissions de vibrations et de bruits. De plus, l'élimination des charges axiales transmises directement aux moteurs de propulsion réduit l'usure sur les supports du moteur, les isolateurs et les structures de support du moteur. Le boîtier non rotatif de l'ensemble d'arbre permet un écoulement d'eau propre jusqu'à l'hélice, ce qui permet à l'hélice d'utiliser davantage de puissance délivrée.

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