Fluid reaction surfaces (i.e. – impellers) – Oscillatory reaction motion – Relatively movable working member portions
Patent
1984-08-17
1986-06-17
Look, Edward K.
Fluid reaction surfaces (i.e., impellers)
Oscillatory reaction motion
Relatively movable working member portions
416 79, F03D 506
Patent
active
045953368
ABSTRACT:
An elevated and elongated boom is centrally pivoted for rocking movement in a vertical plane through the horizontal plane. Provision is made to align such plane with the direction of the wind. A pair of free wings are mounted on the fore and aft ends of the boom with control panels being oscillatably mounted on such wings for determining, by their relative positions and aerodynamic equilibrium reaction thereto, the angle of attack of such wings. Provision is made to control the relative positions of the control panels with respect to their respective wings so that the wings have angles of attack of opposite sense, with such senses being reversed as the boom approaches each predetermined limit of its rocking motion. The fore (canard) and aft wings are positioned and sized relative to each other to equalize their moment contributions to the rocking motion of the boom. Alternative wing structures are disclosed. One wing construction involves stacked or vertical arrays of two or more wings at both the fore and aft ends of the boom. Another embodiment involves the control panels leading rather than trailing their respective panels in which event the direction of their control adjustment to effect a desired angle of attack is reversed. The rocking motion is applied to operate a double-acting hydraulic pump.
REFERENCES:
patent: 1437370 (1922-11-01), Vail
patent: 2465285 (1949-03-01), Schwickerath
patent: 4486145 (1984-12-01), Eldredge et al.
patent: 4525122 (1985-06-01), Krnac
Breidenthal Robert E.
Li H. Edward
Look Edward K.
Solartech Energy and Research Corporation
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