Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Responsive to gravity or working fluid force
Patent
1983-09-23
1985-08-27
Powell, Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Sustained ancillary movement of rotary working member
Responsive to gravity or working fluid force
416197A, 416DIG8, F03D 306
Patent
active
045375593
ABSTRACT:
The present invention is directed to a venturi rotor apparatus for producing power from the rotation thereof. The apparatus comprises a support and a central core having a spherical triangular cross-section mounted on the support for rotation about a central axis through the core. A plurality of support arms, fixed to the central core, extend radially outward therefrom at the verticies of the spherical triangle. At least three airfoils are fixed to a radially extended portion of the support arms such that a gap is formed between the surface of the central core and the surface of the airfoils, with the airfoils being aligned on an axis parallel to the axis of the central core. Fluid flow, such as air flow, having at least a component in the direction perpendicular to the axis of the central core flows through the gap producing a venturi effect for enhancing the movement of the airfoils about the axis of the central core. The movement of the airfoils applies torque to the central core through the support arms to thereby rotate the central core. The central core includes an output which rotates with the central core and which can be used as a power takeoff from the rotating central core.
REFERENCES:
patent: 4004861 (1977-01-01), Soules
patent: 4015911 (1977-04-01), Darvishian
patent: 4037989 (1977-07-01), Huther
patent: 4048947 (1977-09-01), Sicard
patent: 4209281 (1980-06-01), Edmunds
patent: 4490623 (1984-12-01), Goedecke
Herrmann Anna
Herrmann Christian W.
Powell Jr. Everette A.
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