Marine propeller

Details Marine propeller Marine propeller

1978-11-24

1995-11-07

Jordan, Charles T.

Fluid reaction surfaces (i.e., impellers)

Ambient fluid or exhaust gas directed through hub, fairing...

416 93R, 440 66, B63H 114, B63H 118

Patent

active

054643210

ABSTRACT:
A marine propeller using the circulation control principle of blowing tantially over a Coanda surface at the trailing edge of each blade to develop high blade lift (thrust). Each blade has internal chambers and two blowing slots so that blowing is controllable for forward and for reverse thrust without reversing rotational direction of the propeller. This propeller is capable of generating much greater thrust and ship speed at lower RPM and noise levels than conventional propellers.

REFERENCES:
patent: 606986 (1898-07-01), Carter et al.
patent: 2511156 (1950-06-01), Glass
patent: 2705051 (1955-03-01), Hauser
patent: 3385374 (1968-05-01), Kaplan et al.
patent: 3406759 (1968-10-01), Nutku

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