Wind turbine rotor

Details Wind turbine rotor Wind turbine rotor

1981-05-26

1982-11-16

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Cupped reaction surface normal to rotation plane

Torque converters

416DIG2, F03D 306

Patent

active

043593119

ABSTRACT:
A turbine apparatus for utilization of the kinetic energy of moving air or fluid is disclosed. The turbine apparatus is comprised of a rotor (20) mounted for rotation about a central axis (21) with respect to a support member (22) and connected to means (23) for converting rotation of the rotor (20) to usable energy. The rotor (20) includes a plurality of blades (40, 41, 42) disposed symmetrically about the central axis (21), each of the blades having an outer edge (43) and an inner edge (44) with respect to the central axis (21). In addition, each blade (40, 41, 42) has a curved portion (45) and a second portion (46), the curved portion (45) beginning at the outer edge (43) and terminating at the second portion (46). The curved portion (45) has a surface generally concave with respect to the central axis (21). The second portion (46) extends from the curved portion (45) and terminates at the inner edge (44). The inner edge lies in a plane containing the central axis, the plane being disposed at an angle greater than 60.degree. measured about the central axis (21) from a plane containing the outer edge (43) and the central axis (21). Variations of these and other components of the present invention are also described.

REFERENCES:
patent: 2252788 (1941-08-01), Sparr
patent: 4005947 (1977-02-01), Norton
patent: 4177009 (1979-12-01), Baum et al.

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