US8657575B2 – Oscillating Fluid Power Generator – Google Patents

32 shows arm 15 fixed, on one side, to mast 14 and, on the other side, connected to fin 23 by hinge 24. Fin 23 includes weight 74 that facilitates the oscillating motion. 31 shows leading element 20 fixed, on one side, to mast 14 and, on the other side, connected to trailing element 22 by pivot 24. Trailing element 22 includes weight 74 that facilitates the oscillating motion. 30, wing structure 12 moves into a configuration that is a mirror image of the configuration at the beginning of the oscillation cycle shown in FIG. In this embodiment, the length of leading element 20 is approximately equal to the length of trailing element 22. In preferred embodiments, the momentum of wing structure 12 movement affects a shift in the position of flap 22, which is shown over a complete oscillation in FIG.

In another preferred embodiment, the invention is an apparatus for extracting power from a moving fluid stream, said apparatus comprising: a mast that functions as a drive shaft, which is supported by a lower tower structure; a wing structure connected directly to the mast or drive shaft selected from the group consisting of: (1) a single fin comprising at least two stand-off arms, each of which stand-off arms having two ends, a first end that is fixed to said mast and a second end pivotably attached to the hinge axis or spar of the forward edge of a symmetrical airfoil, and (2) a multiple-element structure comprising a first airfoil element having two ends, a first end that is fixed to said mast and a second end upon which a pivot is mounted, and a second airfoil element having a forward edge that is attached each said pivot, wherein said airfoils, either singly or as a combination, present airfoil surfaces to the moving fluid stream that generate lift first in one direction that is transverse the direction of movement of the moving stream and then in another direction that is opposite said one direction during an oscillation of said airfoils in the moving fluid stream; and a power take-off mechanism that converts the oscillating, bidirectional rotation of the mast to unidirectional rotation in order to drive an electricity generator.

Dolor Espalda Media

In preferred embodiments, the wind fin invention comprises a method of harvesting energy from a moving fluid stream (wind or water), said method comprising: producing an aerodynamic wing structure with one or more elements having a cross-sectional shape that is operative to cause the aerodynamic lift of said wing structure; fixing said wing structure to a mast in a vertical orientation to produce a wind fin structure; exposing said wind fin structure to a moving fluid stream to produce oscillation, thereby causing said mast to pivot back and forth at an oscillating frequency; converting the back and forth movement into unidirectional rotation to produce motive power; and providing said motive power to an electricity generator. In another preferred embodiment, the invention is an apparatus for extracting power from a moving fluid stream, said apparatus comprising: a mast assembly; a wing structure comprising a leading airfoil element (e.g., leading form) having a leading edge that is connected to said mast assembly, either directly or to a rotatable sleeve surrounding the mast, and a following edge; a plurality of following airfoil elements (e.g., following forms), each of which has a front edge and a rear edge, the front edge of a first of said following airfoil elements being pivotably attached to the following edge of said leading airfoil element, and the front edge of each other following airfoil element being pivotably attached to the rear end of another following airfoil element; and a power take-off mechanism that is driven either directly by a pivoting movement of said mast and said first airfoil element or by a pivoting movement of said rotatable sleeve and first airfoil element with said mast remaining stationary; wherein said airfoil elements are configured to, in combination, present airfoil surfaces to the moving fluid stream that generate lift first in one direction that is transverse the direction of movement of the moving stream and then in another direction that is opposite said one direction during an oscillation of said airfoil elements in the moving fluid stream.

Dolor Espalda Al Respirar

Preferably, single symmetrical airfoil or said airfoil elements are selected from the group consisting of: a ribbed airfoil comprising symmetrical wind ribs and a skin made of fiber-reinforced plastic, an aircraft fabric covering, aluminum, or ripstop nylon that conforms to said symmetrical wing ribs; a foam core airfoil comprising a molded foam core and a skin made of fiber-reinforced plastic, an aircraft fabric covering, aluminum, or ripstop nylon that conforms to said molded foam core; a framed sheet airfoil; a self-inflating airfoil having a front and comprising rows of cells that are open at the front and joined together side by side such that the moving fluid stream keeps the cells inflated. The applicant believes that the principle behind the wind fin’s oscillating motion is as follows (but his claims are not bound by this principle): Once activated by a moving fluid stream, the wing structure produces aerodynamic lift. In yet another preferred embodiment, the invention is a system for extracting power from a moving fluid stream, said system comprising: means for providing support; means for performing bidirectional rotation that is supported by said means for support; means for oscillating in the moving fluid stream, said means for oscillating comprising means for applying torque to said means for performing bidirectional rotation and means for generating lift that is pivotably attached to said means for applying torque at a pivot, said means for generating lift comprising an airfoil having a leading edge and a transverse cross section having symmetrically curved sides about a longitudinal plane that bisects said transverse cross section; and means for converting bidirectional rotation of said means for performing bidirectional rotation into unidirectional rotation.

Fisioterapia Querétaro Calendarios

Referring to FIG. 32, another preferred embodiment of system 10 is an oscillating wind power generator 10 is illustrated that operates on the basis of fin 23 (e.g., a single body wing structure) attached to mast 14 by stand-off arms 15. The arms 15 pivot about the mast pivot axis 28 while single body wing structure or fin 23 pivots about hinge axis 26. In this embodiment, as in all preferred embodiments, the oscillating action is self sustaining and needs no mechanical assist. This aspect, combined with the wind fin’s lower purchase price, environmental advantages, and improved aesthetics, is expected to enable the wind fin to readily penetrate the marketplace. Preferably, the maximum thickness of said fin occurs between 10 percent and 35 percent of said overall chord length of said fin as measured from said leading edge of said fin. Preferably, the maximum thickness of said single symmetrical airfoil occurs between 10 percent and 35 percent of the chord length of said single symmetrical airfoil as measured from said leading edge of said single symmetrical airfoil.

Tipos De Dolor

Preferably, said wing structure further comprises a single symmetrical airfoil having a maximum thickness and a chord length and comprising a forward section that has a symmetrical aeronautical airfoil shape that is preferably from 10 to 30 percent as wide as it is long, said forward section being followed by an elongated, thin, substantially straight trailing section that is an integral extension of said symmetrical aeronautical airfoil shape, said elongated, thin, substantially straight trailing section preferably having a length that is from 25 to 150 percent of the chord length of said symmetrical aeronautical airfoil shape, the two sections forming a concavity where they merge together. In another preferred embodiment, the invention is a method of generating power comprising: the step of placing an apparatus disclosed herein in a location that experiences a wind; the step of allowing the combination of said stand-off arms and said symmetrical airfoil to oscillate in said wind, causing said mast or said sleeve surrounding said mast to rotate back and forth; the step of converting the back and forth movement into unidirectional rotation using a power take-off mechanism that is operative to convert bidirectional rotation to unidirectional rotation; and the step of providing motive power to an electricity generator by means of said power take-off system.

Fisioterapia A Domicilio

Preferably, the apparatus further comprises a trim bias element that is attached to said symmetrical airfoil in order to facilitate the oscillation. Referring to FIGS. 14A, 14B, 14C and 14D, a portion of the oscillation sequence is shown for a three-element embodiment with gear linking (as was shown for a different embodiment in FIG. 7, at the segment of highest lift shown in 44 of FIG. Remedios caseros para dolor de espalda fuerte . FIGS. 20A, 20B, 20C and 20D are plan views of a preferred three element embodiment of the invention having a linkwork arrangement, with the elements shown at a different stage of an oscillation sequence in each view.

This lift force causes the wing structure to swing to the side.

FIG. 2C is a cross sectional view of the trailing edge of a preferred embodiment of the wing structure of the invention, the trailing edge comprising a permanent trim bias member. In another preferred embodiment, the wing structure is tapered along its vertical extent at either end or at both ends. Steps F to G and steps L to A show transition portions of the oscillating sequence, in which the trailing element 22 of hinged wing structure 12 continues its rotation and the lift direction of the airfoil as a whole reverses. This lift force causes the wing structure to swing to the side. FIG. 2C is a cross sectional view of the trailing edge of another preferred embodiment of the wing structure of the invention, the trailing element edge comprising a permanent trim bias member. Referring to FIG. Dolor en articulaciones de las manos y pies . 6, a time lapse view of eight steps in the oscillation cycle of wing structure 12 is presented.

Dolor Sordo Costado Derecho

Referring to FIGS. 24A-24H and 52, preferred embodiments of wind power generator 10 are illustrated. FIGS. 33 and 34 are plan views of another two preferred embodiments of the invention with a power take-off mechanism comprising a crank arm connected to an electricity generator. In addition, some wind-power embodiments have the potential to eliminate lethality to birds and bats caused by wind-power systems, overcome public objections to the aesthetics of wind-power structures, and improve public acceptance of wind-power generation. In short, preferred embodiments of this invention have outstanding potential to significantly expand wind power’s contribution to the global energy supply.

  • Ardor o dolor al orinar
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In a preferred embodiment, embodiments of mechanism 12 having more than two elements are constrained to adopt a preferred airfoil shape. FIGS. 19A, 19B and 19C are three perspective views, at three different points in an oscillation, of a preferred six element of the invention having a geared arrangement. 22 illustrates a preferred tall and thin form of a three element mechanism with linkwork arrangement. With a linear and equal gear arrangement, two gears of the same diameter are used. FIGS. 24A through 24H are elevation views of preferred embodiments of the invention. Preferred embodiments of the invention exploit the kinetic energy of an aerodynamic, oscillating apparatus, rather than relying on a rotating turbine. FIG. 7 is top cross sectional view of a convex surface of a preferred embodiment of the invention.