Hydrofoil propulsion system

Details Hydrofoil propulsion system Hydrofoil propulsion system

1989-03-07

1990-10-16

Peters, Jr., Joseph F.

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Having hydrofoil

440 1, 440 37, B63B 124

Patent

active

049627180

ABSTRACT:
A hydrofoil propulsion system (10) utilizing dual water propellers (16) in combination with dual shrouded air propellers (18). The air propellers (18) and the water propellers (16) are powered by diesel engines (22) mounted in pairs inside the hull (24) of the hydrofoil craft (b 14). Each water propeller (16) is affixed to an outdrive 35 through a pivotal propeller shaft (28) that permits the propeller shaft (28) and the water propeller (16) to move horizontally and vertically with respect to the hull (24). An air propeller (18) and a water propeller (16) are each coupled to a single pair of engines (22) so that as the craft (14) transitions from the hullborne mode to the foilborne mode, the thrust load is automatically transferred from the water propeller (16) to the air propeller (18).

REFERENCES:
patent: 1073567 (1913-09-01), Burney
patent: 1160021 (1915-11-01), Watson
patent: 1190944 (1916-07-01), Orlando
patent: 1747334 (1930-02-01), Sundstedt
patent: 2112965 (1938-04-01), Koster
patent: 3213818 (1965-10-01), Barkley
patent: 3601980 (1971-08-01), Faber
patent: 3910215 (1975-10-01), Soderman
patent: 3968762 (1976-07-01), Meyer, Jr.
patent: 4311472 (1982-01-01), Hiersig et al.
patent: 4322208 (1982-03-01), Kelpin
patent: 4565532 (1986-01-01), Connor

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