Lighter than air wind energy conversion system utilizing a rearw

Details Lighter than air wind energy conversion system utilizing a rearw Lighter than air wind energy conversion system utilizing a rearw

1980-10-24

1982-09-21

Dobeck, B.

Prime-mover dynamo plants

Fluid-current motors

Wind

290 44, 244 33, F03D 900

Patent

active

043508995

ABSTRACT:
A lighter-than-air (LTA) wind energy conversion system (WECS) wherein a gas-filled LTA envelope carries a main rotor and electrical generator to take advantage of high wind speeds available at high altitudes. The LTA envelope is tethered to a ground based mooring system designed to provide self-orientation for the LTA envelope. In a preferred embodiment, heavy mechanical transmissions are eliminated by providing a radial disk diffuser within the rear portion of the frustrum-shaped LTA envelope. The diffuser is rotated through the drive shaft of a wind-driven external rotor. A linear duct is positioned within the envelope and has its rear outlet in fluid communiation with the gas inlet to the diffuser. Rotation of the rotor-diffuser drives an induction turbine positioned within the gas inlet of the duct at the fore portion of the envelope. The lifting gas for the envelope also serves as the working fluid for the turbine and is circulated by the diffuser-turbine action. The output of the induction turbine is coupled to an electrical generator whose output is, in turn, transmitted to the ground via the tethering system.

REFERENCES:
patent: 1717552 (1929-06-01), Dunn
patent: 2384893 (1945-09-01), Crook
patent: 2433344 (1947-12-01), Crosby
patent: 2485543 (1949-10-01), Andreau
patent: 2784556 (1957-03-01), Perdue
patent: 4073516 (1978-02-01), Kling
patent: 4166596 (1979-09-01), Mouton, Jr. et al.
patent: 4309006 (1982-01-01), Biscomb

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