In a marine vessel, a propulsion system comprises at least one propeller having a direction of rotation about a drive shaft and a bulbus protrusion extending from the hull associated with each of the at least one propeller, each protrusion extending from the hull of the vessel, each protrusion receiving and rotatably supporting the at least one propeller. Each protrusion extends between leading and trailing ends and has a substantially circular cross section along a length between the leading and trailing ends having and a leading portion extending from the leading end wherein the leading portion is angled away from the centerline of the hull.
Stern bulbs
2024-05-14
Patent
Elektronische Ressource
Englisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
Stern, Stern und nochmal Stern
Online Contents | 1994
SAE Technical Papers | 1998
SAE Technical Papers | 1974