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11A, the drag panel 1121 includes a parabolic or concave shape on sides 1121 a and 1121 b to enhance the capture of drag forces from tidal action and/or tidal currents more effectively than might be achieved by a flat panel. In an example, the first side 1421 a may include a lofted cut while the second side 1421 b includes a flat surface, such as the flat surface shown on displacement vessel 1202 sides 1221 a and 1221 b in FIGS. Because in many areas of the Earth, the ocean experiences 2 high tides and 2 low tides in a day, the displacement vessel may travel up to a peak height of high tide twice a day, as shown by Eqn. For example, compartments 2044 a and 2044 c may house control mechanisms, such as winches, that are configured to wind/unwind control cables (not shown).

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20B, the displacement vessel 2002 may include two or more control cables 2028 a and 2028 b where each control cable 2028 a and 2028 b is connected to a respective control mechanism 2020 a and 2020 b configured to wind/unwind its control cable. Additionally, the anchor cable 1513 may be configured to approach the drum 1513 at an angle to improve cable life and spooling operation (e.g., by preventing snags). The arms may thus be made of any suitable material for effectuating the function of the cable without interference. Eqn. 3 shows an equation for the energy E1 produced in Joules during the rising of the tide, where D is the distance that the water level rises.

In one embodiment, a generator is mounted to the displacement vessel 2202 and coupled to first 2206 a and second 2206 b stationary locations via two directional converters such that the generator turns in one direction as the tidal action causes the vessel to move towards the first stationary location 2206 a and the generator spins in the opposite direction as the tidal action causes the vessel to move towards the second stationary location 2206 b and thus generate electrical power during both the ebb and the flow segments of every tidal cycle.

Escalofríos, dolores musculares y fatiga: el enfermero que.. As described above, the drive gear 1512 may be coupled directly (or indirectly through a gear box) to one or more electrical power generators 1516 a-1516 c. Each individual tidal energy conversion assembly in the system 300 may be substantially similar to those devices described generally above, or with respect to FIG.

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Prensa Comunitaria : Justicia por genocidio FIG. 18 illustrates a tidal energy generation assembly 1800 including a turbine 1850 mounted within a drag panel 1821 of a displacement vessel 1802 and a directional converter 1809 mounted on the displacement vessel 1802. The displacement vessel 1802 may be substantially similar to any of the displacement vessels described above, for example, in FIG. Humedad y dolor de espalda . In another embodiment, the directional converter(s) and generator(s) may be located on a stationary location in the water. In another aspect of the invention, the tidal energy conversion assembly may comprise a positioning system, for example, a global position system (GPS) receiver, and associated logic modules, such as computer processors, wherein the tidal energy conversion assembly is capable of determining its current position following the drift of the displacement vessel relative to the position of the stationary location to which it is anchored. For example, the processing or logic module may record data corresponding to current speed, displacement vessel speed, displacement vessel location, efficiency of the system, and buoyancy forces.

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Each tidal energy conversion assembly may be controlled collectively or individually in the system, for example, by a locking mechanism on each tidal energy conversion assembly as discussed below. For the purpose of clarity and illustration, these systems and methods will be described with respect to tidal energy conversion assemblies for generating electrical energy.

If the drag panel 521 is not needed, the control mechanism may retract the drag panel 521 back into the first position inside the displacement vessel. Each control cable 1828 a-1828 d may be coupled to a respective control mechanism that may be housed within or mounted on the displacement vessel 1802 in compartments 1844 a-1844 d. The control mechanisms may independently control the winding/unwinding of the respective control cables 1828 a-1828 d to effectuate steering of the displacement vessel 1802 in the water.

FIG. 21A shows a tidal energy generation system 2100 that includes a first displacement vessel 2102 a at one end of an anchor cable 2103 and control cables 2128 a and a second displacement vessel 2102 b at the other end of the anchor cable 2103 and control cables 2128 b. Initially, the displacement vessel 502 may be anchored to the first stationary location along the seabed by a first anchor cable attached to a first anchor. The displacement vessel may be attached to a plurality of submerged anchor cables that are as described above. The floatation devices 1260 a and 1260 b then taper to a second cross section having a second, smaller diameter under the water. Upon activation, the hydraulic ram may translate a plate over a window or through-hole in the drag panel to increase the surface area of the drag panel and thus increase the drag experienced by the displacement vessel.

In one example, when the currents become faster, the method is capable of creating more energy by engaging a larger number of generators, while when the current is slow, fewer generators may be required to capture the kinetic energy of the tides. Other exemplary generators that are within the scope of the invention are discussed in Generators, a 2014 G E Power Conversion Product Catalogue.

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In yet another embodiment, the fleet angle may be between 0.25 degrees and 1.25 degrees. A third arm 1138 c may be coupled to another side of the drag panel 1121 via hinges similar to those described above for arms 1138 a and 1138 b. In another embodiment, the barge may include an anchoring system to prevent the barge from drifting. While FIG. 3 illustrates only three displacement vessels in the system, this invention includes any number of such devices in a system that is capable of being networked to generate electricity. FIG. 9 shows displacement vessels 902 a and 902 b having two directional converters 909 a and 909 b on land and a pulley arrangement 926, the two directional converters attached to a single generator 916. The displacement vessels 902 a and 902 b may be substantially similar to the displacement vessel described above with respect to FIGS.

In FIG. 11C, the displacement vessel 1102 is in mid-rotation between the configuration of FIGS. The coupling between the generator and the drums may include a pair of cables, where each cable is secured at one of its ends to one of the stationary locations and wrapped at the opposite ends to one of the generator drums but in opposite clockwise manner. Dolor de pierna en reposo . Specifically, the method of generating electricity from drag of the tides comprises the steps of: providing a displacement vessel housing a directional converter coupled to a generator, said displacement vessel being directly above a stationary location; providing an anchor cable having a first end and a second end, whereby said second end is attached to said directional converter and said anchor cable extends to an anchor secured at said stationary location, the anchor cable having a first length between said directional converter and said anchor; causing said displacement vessel to move laterally from said stationary location and activating said directional converter; and energizing said generator.

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  • F05B2260/50-Kinematic linkage, i.e. transmission of position
  • Restricción del rango de movimiento activo sin lesión mayor de hombro
  • ¿Cuándo acudir a la Unidad del Dolor

The length L3 may increase in length due to the falling tide Where L3 is greater than L1, the increase in length from L1 to L3 causes the drum 513 of the directional converter 509 to rotate. The change in lateral distance causes the anchor cables to exert forces on a multitude of directional converters, which may be initiate rotational energy that is used to energize the generators. Also, as the displacement vessel rises to distance 119 b, the drive cable may be fixed relative to the stationary location 106 by anchor cables 105 a and 105 b. FIGS. 5A-5C show a tidal energy conversion assembly 500 having a displacement vessel 502 that is buoyant at the surface 518 of the water and houses or supports a directional converter 509. In this embodiment, the directional converter 509 is capable of capturing the drag-or “drift”-of the tidal energy conversion assembly caused by the ebb and flow of water due to tidal action.