Modified optimum pitch propeller

Fluid reaction surfaces (i.e. – impellers) – Specific blade structure – Radial flow devices

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440 66, B63H 126

Patent

active

052096424

ABSTRACT:
An asymmetric set of pre-swirl vanes (stators) and a specially matched propeller for use on an inclined shaft. The propeller is designed by considering the mutual interaction of the propeller on the vanes and the vanes on the propeller. The propulsor unit provides the following:

REFERENCES:
patent: 832173 (1906-10-01), Taylor
patent: 1019437 (1912-03-01), Draper
patent: 1491493 (1924-04-01), Pinkert
patent: 1549564 (1925-08-01), Slocum
patent: 4265626 (1981-05-01), Perry
patent: 4411598 (1983-10-01), Okada

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