US4730119A – Sail-driven Wind Motor – Google Patents

  • A fluid flow induced oscillating energy harvester comprising
  • Arsénico (un insecticida)
  • Visita al quiropráctico
  • Secreción del oído, de color amarillo, verde amarillento, purulenta o con olor fétido
  • Síntomas neurológicos – cambios cognitivos
  • Falta de motivación o de concentración
  • Pan con mantequilla de maní
  • No se agrava con la actividad física ni lleva a evitarla de forma inconsciente

This may be provided for by using two multi-pulley blocks, as shown in FIG. 1, using a boat hull and a double-ended float. There are likely to be several different but equally useful such optional control mechanisms which could serve to perform this function, either all-mechanical, or hybrid electrical and mechanical. DETAILED DESCRIPTION OF PRESENTLY PREFERRED EMBODIMENTS In the several embodiments, modifications and elaborations which are depicted in the drawing figures, like characters are used for designating like structure, and repeated description is thereby rendered unnecessary. 11 and 12 for transferring sail drag to ground is used or is insufficient, then circular track TR (FIG. A probably worst case start-up situation from a `no wind` condition for a double-ended SDWM would be wind from a direction perpendicular to arm A. In that case, any imbalance of sail drag moments about load LD would cause the apparatus to rotate about load LD.

There is a definite datum or `no wind` orientation of the apparatus. 13 and 1-4, allowing the disabling mechanism of FIG. If neither mechanism described above in relation to FIGS. FIGS. 13 and 14 show an apparatus which is similar to the one which has been described above with reference to FIGS. The simplest SDWM will be described first, with one arm, one cross-arm, one beam, one mast, and one sail, for a land site. FIG. 17 is a fragmentary schematic side elevation view of the hub region of a modification for adapting the sail driven motors of FIGS. A control mechanism is provided which constrains sail S to sail back and forth across wind W, forcing arm A to rotate about load LD, which transmits energy extracted from wind W to load LD. 12. If so, then the mechanism of FIG.

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Then a double-ended SDWM for a land site will be described, with two arms, two cross-arms per arm, two beams per arm, and two masts and sails per beam (FIG. In FIG. 16, a double-ended SDWM is shown, one which is similar in all respects to the embodiment which has been described above with respect to FIGS. Que tomar para un dolor muscular . SUMMARY OF THE INVENTION A sail-driven wind motor (SDWM) is described, in which a reciprocating load amenable to intermittent, bidirectional drive (such as a water pump or air compressor) is driven by one or two arms, with each arm driven by at least one conventional fore-and-aft rigged sail. In the following description, the acronym “SDWM” is sometimes used, in place of the term “sail-driven wind motor”.

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BACKGROUND OF THE INVENTION This invention relates to an oscillating-arm wind motor which is caused to oscillate by action of the wind on one or more sails connected to the arm. Each arm is supported by at least one cross-arm, which rides on wheels for a land site, or on at least one double-ended float for water sites. 17, showing how the arm may be supported on a double-ended float, rather than on the wheels used for the land-based versions of FIGS. Of course, the land-based embodiments described above will be provided with arm support means appropriate for supporting the arm or arms from the ground, e.g. 11. A double-ended float F is required for each cross-arm CA, one of which must be near the connection of stay STA to arm A for a single-ended SDWM, to support the upwind end of arm A. FIG.

For all three types of sites, the sail drag must be transferred to the ground, while the sail lift must be transferred to the load via the arm. Dolor en un costado de la espalda . The bearing unit must be sealed as well as possible to keep out water (especially salt water–this mechanism may also be used for the shallow and deep water sites which are disclosed with regard to FIGS.

Soledad // Alone 1-14 may be used with this embodiment also. 18-20. The remainder of the structure of this embodiment may be as has been described above with reference to FIGS. Mast M supports sail S and boom B. (Crossbeams and stays (not shown) may be needed in some designs to support mast M.) Line L is led from the end of boom B through pulley P to spring SP, which is mounted on beam BM (see FIG.

At the radially outer end of the arm A, a beam BM is shown pivotally mounted to the arm at pivot point O intermediate the ends of the beam BM, for pivoting about a generally vertical axis. 13 and 14, except that the arm A extends in two portions in both radially opposite directions from the drive shaft DS or flexible drive FD and is provided with two radially spaced cross-arms CA per arm portion, each cross-arm CA pivotally mounted beam B which, in turn, mounts two masts M having respective sails (like sails S, but not illustrated to avoid clutter).

Beam BM remains parallel to arm A, with sail S trailing downwind from mast M. As the wind velocity decreases, cam spring CSP rotates cam CM clockwise about shaft SH, and shorter radii of cam CM decrease the pressure of cam CM against beam line BL, until beam line BL moves freely through the space between cam CM and anvil ANV. The tension applied by beam spring BSP on beam line BL then moves the windward end of beam BM across wind W, which shifts sail S to the other tack. Then a load support required for a deep water site (FIG. In FIG. 21, a load support for a deep water site is shown.

FIG. 14 is a fragmentary schematic side elevational view, similar to FIG.

As the apparatus shown in FIG. FIGS. 22-24 show an apparatus similar to FIG. 2. FIGS. 3 and 4 show, in top plan view, other positions of the apparatus of FIGS. FIG. 13 is a schematic top plan view, similar to FIG. FIG. 14 is a fragmentary schematic side elevational view, similar to FIG. FIG. El ibuprofeno sirve para el dolor muscular . 16 is a schematic top plan view, similar to FIG. FIG. 21 is a fragmentary schematic top plan view of the hub region of a modification for adapting the sail-driven wind motors of FIGS. FIG. 11 is a fragmentary schematic enlarged scale side elevational view of the hub region of the sail-driven wind motor of FIG. FIG. 6 is a fragmentary, enlarged scale schematic side elevational view of a modification of a portion of the sructure shown in FIG.