Boat propulsion device

Details Boat propulsion device Boat propulsion device

B - Operations, Transporting

63

H

B63H 11/08 (2006.01) B63H 5/10 (2006.01) B63H 11/107 (2006.01) B63H 11/11 (2006.01) B63H 23/08 (2006.01) B63H 11/113 (2006.01) B63H 25/38 (2006.01)

Patent

CA 2394148

A boat propulsion device, wherein a suction casing (4) comprising a suction port (4a) opened in a bottom (1b), a suction flow passage (4b) raised aslant to the rear side from the suction port (4a), and a horizontally formed impeller chamber (4c) is disposed at the bottom part of a stern, a delivery casing (10) linked to the suction casing (4) is dipped into water below a waterline at the stern, and axial vanes (8) rotatable in forward and reverse directions are disposed in the impeller chamber (4c) of the suction casing (4).

L'invention concerne un dispositif de propulsion pour bateau. Un châssis d'aspiration (4) comportant un orifice d'aspiration (4a) ouvert à un fond (1b), un passage d'écoulement (4b) relevé oblique vers l'arrière à partir de l'orifice d'aspiration (4a), et une chambre à turbine formée horizontalement (4c), est placé à la partie inférieure d'une poupe. Un carter central (10) relié au châssis d'aspiration (4) est plongé dans l'eau en dessous d'une ligne de flottaison à la poupe. Enfin, des ailettes axiales¿ ?(8) tournant en avant et en arrière sont disposées dans la chambre à turbine (4c) du châssis d'aspiration (4).

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