Fast sea-going ship with a double bottom and a waterjet drive

Marine propulsion – Jet drive

Reexamination Certificate

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C440S043000

Reexamination Certificate

active

07341496

ABSTRACT:
The invention relates to a high-speed, sea-going ship comprising a double hull and a water-jet drive, the latter consisting of at least one pump assembly for generating the water-jet and at least one drive motor for the pump assembly. According to the invention, the pump assembly and its drive motor are located outside the stern area of the ship by using, in part, the space in the double hull.

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patent: 3943876 (1976-03-01), Kiekhaefer
patent: 4274357 (1981-06-01), Dawson
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patent: 5265549 (1993-11-01), Cernier
patent: 6238257 (2001-05-01), Platzer et al.
patent: 6489701 (2002-12-01), Gamble et al.
patent: 2001/0039155 (2001-11-01), Ito et al.
patent: 32 34 370 (1984-03-01), None
Rolls-Royce, “Rolls-Roycle- the force in marine solutions”, Internet pages of Rolls-Royce, pp. 1-36.
Otto Scherer, Ian Mutnick and Frank Lanni, “Procedure for Conducting a Towing Tank Test of a Waterjet Propelled Craft Using Laser Doppler Velocimetery to Determine the Momentum and Energy Flux”, Presented at the 26thATTC Webb Institute, Jul. 23-24, 2001, pp. 1-32.

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