Abrégé

The present invention relates to a WIG craft having hybrid propulsion means, and more particularly, to a WIG craft efficiently configured with a turboprop as main propulsion means, to which a turbofan engine or turbojet engine is added as auxiliary driving means, so as to provide the WIG craft with auxiliary propulsion means that can be used as a low power source during take-off or emergency. Accordingly, by using the auxiliary driving means only during take-off, the horsepower required for mid-large WIG craft can be obtained while minimized installation space and utilizing propulsion means efficiently during take-off and airborne cruising. Also, the size of the propeller of the main propulsion means can be reduced, and the problem of reduced efficiency of turbojet/turbofan propulsion means during low speed travel can be solved.

Classes IPC  ?

• B63B 1/18 - Caractéristiques hydrodynamiques ou hydrostatiques des coques ou des ailes portantes tirant une portance supplémentaire des forces hydrodynamiques du type hydroplane
• B63H 7/02 - Propulsion agissant directement sur l’air employant des hélices
• B63H 11/08 - Propulsion marine par hydrojets le fluide propulsif étant constitué par l'eau ambiante au moyen de pompes du type rotatif

Abrégé

The present invention relates to a WIG craft comprising multiple hulls, which comprises: a plurality of WIG craft vessel bodies comprising multiple hulls; a plurality of propulsion chambers which are provided on the upper parts to the rear of each of the vessel bodies and generate a propulsive force and air-cushioning pressure while off the water; an air-cushion chamber (or chambers) which is (are) positioned on the underside between each of the vessel bodies and guides (guide) propulsion propeller rear pressure while off the water so as to form an air cushion which is used to reduce water resistance; and a duct which forms a link between the propulsion chambers and the air-cushion chamber(s) such that the propeller rear pressure is transmitted to the air-cushion chamber and a cushioning pressure is created. This configuration has the advantageous effect that it solves the prior art problem of providing additional engines and hence allows a reduction in the costs incurred in the manufacture of WIG craft and the weight of WIG craft.

Classes IPC  ?

• B63B 1/18 - Caractéristiques hydrodynamiques ou hydrostatiques des coques ou des ailes portantes tirant une portance supplémentaire des forces hydrodynamiques du type hydroplane
• B63B 1/10 - Caractéristiques hydrodynamiques ou hydrostatiques des coques ou des ailes portantes tirant la portance principalement du déplacement liquide à coques multiples
• B63H 7/02 - Propulsion agissant directement sur l’air employant des hélices