Propulsion device having circular array of inclined airfoil elem

Details Propulsion device having circular array of inclined airfoil elem Propulsion device having circular array of inclined airfoil elem

1994-02-15

1995-05-09

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416195, F04D 2938

Patent

active

054134650

ABSTRACT:
A propulsion device comprises a circular series of inclined airfoil elements. Each airfoil element is connected along its upper side to a rigid plate member, which is adapted to be rotated at high speed via a motor output shaft. The airfoil elements are oriented on the plate such that their vacuum-inducing surfaces face upwardly and outwardly of the circular series, and their pressure surfaces face downwardly and inwardly of the circular series.

REFERENCES:
patent: 589946 (1897-09-01), Grunow
patent: 1973266 (1934-09-01), Perry
patent: 2954614 (1960-10-01), Vogt
patent: 5102066 (1992-04-01), Daniel

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