MARINE DUCTED PROPELLER JET PROPULSION SYSTEM A marine ducted propeller propulsion apparatus comprising: an intake section; an impeller section; a discharge section; a passage extending from an intake opening of the intake section to an outlet of the discharge section, the passage having a length and an axial cross-sectional area, the passage capable of creating a flow path for a water stream on a volumetric basis; and a plurality of internal working parts, the plurality of internal working parts being at least partially accommodated within the passage, wherein the axial cross sectional area of the passage is varied throughout the length of the passage to accommodate a volumetric mass of the plurality of the internal working parts enhancing a solid state characteristic of the flow path for the water stream from the intake opening of the intake section to the outlet of the discharge section.
Marine ducted propeller jet propulsion system
2020-01-02
Patent
Elektronische Ressource
Englisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |