Wind powered apparatus

Pumps – Motor driven – Fluid current motor

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Details

416 82, 416 83, 416 79, F04B 1702, F03D 506

Patent

active

044707703

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 oscullatably 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. Each wing and its control panel are preferably comprised of independent right and left sections that drive the vertical plane of the boom as a plane of symmetry, with the right and left control panels being controlled so the lift, upward or downward, contributions by the associated right and left wing sections to the boom are balanced. 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 with one construction involving the fore and aft wings being respectively forwardly and rearwardly swept in which case the need for independent right and left wing sections is deemed to be reduced. One wind construction involves stacked or vertical arrays of two or more wings at both the fore and aft ends of the boom. One embodiment, in distinction to the others, 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 drive, by a wind velocity controlled stroke, a double-acting hydraulic pump disposed adjacent the pivot which may be coupled by depending hydraulic lines to additional energy transducers disposed on the ground of any desired type, e.g., hydraulic to electric, hydraulic to fluid flow in pipe lines, etc.

REFERENCES:
patent: 1601246 (1926-09-01), Frost
patent: 2465285 (1949-03-01), Schwickerath
patent: 3952723 (1976-04-01), Browning
R. F. Porter, J. H. Brown, "Evaluation of Gust-Alleviation Characteristics and Handling Qualities of a Free Wing Aircraft", NASA CR-1523, 1970.

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