Fluid rotor

Details Fluid rotor Fluid rotor

1977-08-01

1979-06-26

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

With means positioning fluid current driven impeller...

Offset relative to flow direction

416189, 416238, 416 41, 416187, F03D 106, F03D 704

Patent

active

041591917

ABSTRACT:
A conical shaped rotor is described for rotation about a horizontal shaft axis for responding to or creating a moving airstream. The rotor is elongated and conical shaped along the rotor axis with elongated blades extending longitudinally and radially inward from an enlarged end to a reduced end. The blades are angularly offset between 1.degree. and 15.degree. from the rotor axis to cause an inner side edge of each blade to be closer to the rotor axis than an outer side edge without the blades being twisted about their longitudinal axis. In one form an electrical generator is operatively attached to the rotor shaft for generating electrical energy in response to the rotation of the rotor by wind passing therethrough. In a second form the rotor is driven by a motor to create an air flow therethrough to serve as a fan.

REFERENCES:
patent: 137565 (1873-04-01), Park
patent: 589946 (1897-09-01), Grunow
patent: 756372 (1904-04-01), Johnson
patent: 774168 (1904-11-01), Fornander
patent: 1002833 (1911-09-01), Giddings
patent: 1361696 (1920-12-01), Domenico
patent: 1502433 (1924-07-01), Johanson
patent: 1707235 (1929-04-01), Sargent

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