Liquid jet propulsion

Details Liquid jet propulsion Liquid jet propulsion

1978-12-08

1984-07-10

Basinger, Sherman D.

Marine propulsion

Jet drive

415143, 4151992, 415206, 416183, 440 47, 440 48, 440 88, 440 89, B63H 1108

Patent

active

044591179

ABSTRACT:
The liquid jet propulsion unit is driven by the conventional outboard motor. The drive of the motor directly rotates an impeller which draws up the water into an impeller chamber where it is moved by isentropic radially extending impeller blades. These blades have three progressive stages from inlet to outlet, i.e., axial, transition, and radial. In the delivery of the intake liquid to the outlet chamber the twisting turbulence is reduced and is straightened out and is further straightened by the outlet vane to give a stream greater lineal length and force through the outlet nozzle, which drives the craft forward. Since the vertical distance between intake and outlet is only a matter of a few inches, shallow draft boats can be driven successfullyin shallow and rocky water.

REFERENCES:
patent: 2942556 (1960-06-01), Growall
patent: 3082732 (1963-03-01), Stallman
patent: 3105353 (1953-10-01), Schulz
patent: 3146587 (1964-09-01), Then
patent: 3187190 (1965-06-01), Lang
patent: 3200754 (1965-08-01), Burgin
patent: 3522997 (1970-08-01), Rylewski
patent: 3723019 (1973-03-01), Berman
patent: 4093401 (1978-06-01), Gravelle

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