Marine propeller

Details Marine propeller Marine propeller

1976-06-14

1978-02-14

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Reverse curve surface

416223R, B63H 126

Patent

active

040736016

ABSTRACT:
A marine propeller with unique blade geometry resistant to cavitation and ventilation at high speed operation. The face of the blade has a special convexly curved portion extending from the leading blade edge to a transition zone along the blade chord length toward the blade trailing edge, and a special concavely curved portion from this transition zone to the trailing blade edge, both defined herein.

REFERENCES:
patent: 2157999 (1939-05-01), Charavay
patent: 2682925 (1954-07-01), Wosika
patent: 3261297 (1966-07-01), Daniel
patent: 3514215 (1970-05-01), Williams
patent: 3697193 (1973-10-01), Phillips

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