Marine propulsion unit

Details Marine propulsion unit Marine propulsion unit

1984-08-06

1986-07-15

Blix, Trygve M.

Marine propulsion

Jet drive

440 47, 440 89, 440900, B63H 1100

Patent

active

046003940

ABSTRACT:
There is provided herewith a marine propulsion unit which is designed for intensifying or increasing the thrust obtained by an impeller such as a propeller for standard, outboard or inboard/outboard marine propulsion systems. The unit design incorporates an axial flow or screw type impeller operating within a housing which terminates in an area of reduced cross-section which augments or intensifies the thrust delivered by the impeller. The impeller blades virtually abut the inner circumference and fill the cross-sectional area of the housing near the inlet port.

REFERENCES:
patent: 2636467 (1953-04-01), Johnson
patent: 3249083 (1966-05-01), Irgens
patent: 3943876 (1976-03-01), Kiekhaefer
patent: 3970027 (1976-07-01), Jackson
patent: 3993015 (1976-11-01), Klepacz et al.
patent: 4023353 (1977-05-01), Hall
Yachting Magazine, vol. 106, No. 5, pp. 70-71, Nov. 1959.

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