Propeller vane structure for marine propulsion unit

Details Propeller vane structure for marine propulsion unit Propeller vane structure for marine propulsion unit

1991-05-28

1993-03-09

Denion, Thomas E.

Fluid reaction surfaces (i.e., impellers)

With fluid passage in working member communicating with...

Air and watercraft propellers

416 93A, B64C 1124

Patent

active

051921910

ABSTRACT:
A propeller vane or blade construction wherein cavitation is precluded at the base of the blade where they join the hub on their leading side by introducing a source of pressurized fluid in this area. The fluid may be pressurized either from the dynamic flow through the unit or by the static flow generated by the operation of the unit.

REFERENCES:
patent: 1190755 (1916-07-01), Hahn
patent: 3173492 (1965-03-01), Dicesare
patent: 4188906 (1980-02-01), Tachmindji et al.
patent: 4381901 (1983-05-01), Labudde
patent: 4696651 (1987-09-01), Wagemann
patent: 4778419 (1988-10-01), Bolle et al.

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