Ribbon drive propulsion system and method

Details Ribbon drive propulsion system and method Ribbon drive propulsion system and method

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 3/02 (2006.01) B63H 1/12 (2006.01) B63H 1/16 (2006.01) B63H 11/08 (2006.01) F01D 1/38 (2006.01) F03B 3/04 (2006.01) F03B 17/06 (2006.01) F03D 3/00 (2006.01) F03D 9/00 (2006.01) F04D 29/18 (2006.01) F04D 29/52 (2006.01) B63J 3/04 (2006.01)

Patent

CA 2380623

A ribbon drive propulsion apparatus and method for water-borne vessels such as surface craft and submersibles is disclosed. The vessel is equipped with an extended tube (14) having an intake at a first end (A) and an outlet at a second end (B). A ribbon (12) formed of helical coils is mounted in the tube (14) for rotation and the frequency of the coils decreases from the first end to the second end of the tube. Water is collected at the first end, an axial component of momentum of the water is increased via the rotating ribbon, and the water is ejected from the second end to provide propulsion to the vessel.

L'invention concerne un dispositif et un procédé de propulsion avec entraînement à ruban convenant pour des vaisseaux évoluant dans l'eau tels que des navires de surface et des submersibles. Le navire est équipé d'un tube (14) allongé comprenant une entrée à la première extrémité (A) et une sortie à la seconde extrémité (B). Un ruban (12) formé d'enroulements hélicoïdaux est monté de manière rotative dans le tube (14). Le pas des enroulements décroît entre la première et la seconde extrémité du tube. L'eau est collectée à la première extrémité, et le ruban en rotation augmente la composante axiale de la quantité de mouvement de l'eau, puis l'eau est éjectée par la seconde extrémité afin de propulser le navire.

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