Energy efficient asymmetric pre-swirl vane and twisted propeller

Details Energy efficient asymmetric pre-swirl vane and twisted propeller Energy efficient asymmetric pre-swirl vane and twisted propeller

1988-03-03

1990-06-12

Basinger, Sherman D.

Marine propulsion

Screw propeller

Having means to control flow around propeller

440 82, B63H 506

Patent

active

049329081

ABSTRACT:
An asymmetric set of pre-swirl vanes (stators) and a specially matched propeller for use on an inclined shaft. The propulsor 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:

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patent: 1019436 (1912-03-01), Draper
patent: 1491493 (1924-04-01), Pinkert
patent: 1549564 (1925-08-01), Slocum
patent: 2258399 (1941-10-01), Witteman
patent: 2974628 (1961-03-01), Erlbacher
patent: 4631036 (1986-12-01), Grothues-Spork
patent: 4798547 (1989-01-01), Gearhart

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