8. An electronically adjustable sliding clutch may be used, which is arranged to affect the winding of a line between a bottom foundation and the buoy and which also makes it possible to adjust the force needed to maintain the horizontal position of the wave power plant. As an energy accumulation device using elastic forces, an elastic or resilient mechanism may be used, in which the energy is accumulated as a tension in a spring or generally as elastic energy.
When the elastic means are prolonged, their force on the weight 211 increases, so that the downward movement thereof is gradually stopped. Thereafter the force from the elastic means becomes so great, that the weight will move upwards. In the shown embodiment this means that the sliding clutch 55 in the anchor drum is set to a normal mode, this meaning that the force transferred by the sliding clutch is reduced so that the force is not sufficient to lift the bottom foundation 5. Then, the control system is set to an operational mode.
Tipos De Dolor Pdf
An anchor drum can be mounted for unidirectional rotation around the driveshaft and further be coupled to the first elongated means to make the anchor drum rotate for the first ones of the movements of the buoy or the other device, thereby also making the driveshaft rotate. When the wave changes its directions and rises again, the g-force will further increase by the anchor drum 9 starting to be rotated forwards and lifting the counterweight in relation to the buoy at the same time as the buoy is lifted by the wave.
The generator 21 is mounted alone in the counterweight drum 15 including the connected counterweight 19, this providing the same equalizing properties as has been described for the other embodiments. The other device arranged at or in the pool of water may for example comprise a body having the same density as or a higher density than that of water, which is designed to follow the movements of the water, or a device that is being alternately compressed and expanded due to pressure differences in the water which occur when water waves pass.
Tecnicas De Relajacion
If required, the bottom foundation can of course be attached to the bottom in some way and it may then comprise a simple fastening device having a low mass, not shown. Additional objects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. But the larger the wave is, the less impact has the attenuating effect of the buoy 3, this resulting in the fact that the vertical movement and the motive force of the buoy rapidly increase when the wave height increases from a low level to level out towards the linear pattern the higher the wave becomes. Such an elongated plate can then in a convenient way be positioned, so that it most frequently has its longer side directed towards the wave direction. The movements of the two counterweight drums 15 can be synchronized using a link shaft 58 that is journalled in the support bar parts 13 and has gearwheels 29 at its two ends, the gearwheels cooperating with the toothed wheel rims on the flanges 33 of the counterweight drums, see FIG.
2 g. The support structure includes a surrounding frame-shaped part 143 and a number of shaft support bars 145 which extend between the long, opposite sides of the frame part and which correspond to the support bars or bar parts 13 described above. Hereby the generator 21 can be driven from two sides with a maintained relative rotation direction between its first part and its second part. Such a variable gear can e.g.
Then, the generator stator 21″ is instead rigidly attached to the buoy 3 such as to the frame 141, see FIG. Dolor muscular en brazos . Such a coupling can comprise one or more anti-reverse mechanisms and a sliding clutch as will be described below. The sliding clutch 25 for reverse feeding can as shown be mounted in one of the support bars 13, in which the driveshaft 11 is rotationally supported. The second movements can for a buoy be those movements, into which the buoy is set by the other ones of the up- and down-going movements and which thus are substantially different from said either one of the up and down going movements of the water surface. The first movements can for a buoy be the movements into which the buoy is set by either one of the up- or down-going movements of the water surface. Since the energy accumulation takes place by a pneumatic pressure being built, the overpressure valve 79 can possibly be used instead of the sliding clutch 53 between the anchor drum 9 and the driveshaft 11. However, the sliding clutch has an advantage derived from the fact that it protects against shock loads.
Tipos De Dolor Oms
The upper limit must as discussed above provide a sufficient safety margin so that the counterweight 19 does not reach the counterweight drum 15 even if an extreme wave comes. When used in a wind power plant, gas return pressure can also be used instead of a counterweight as shown in FIG. In the embodiment shown the gearwheels 27, 29 are arranged to rotate coaxially and are directly connected to the two clutch disks 57 in the sliding clutch 25 for reverse feeding, which disks are pressed against each other with a controllable force, so that when required, a torque of a desired magnitude can be transferred between the counterweight drum 15 and the anchor drum 9. An alternative is to instead rotate the anchor drum in the reverse direction using an electric motor in the corresponding way as shown in FIG.
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The counterweight 19 can be hitched under the buoy 3 while the exchange is being performed. As an alternative or a complement to the helicoidal grooves on the winding drums 9, 15 guide rollers 171 can be used to guide both the counterweight lines 17 and the anchor line 7 around the respective winding drum, see FIGS. The disadvantage is that a longer counterweight line 17 is required, which can be limiting in some cases.
5 a. The torque transferred by the sliding clutch between the anchor drum and the drive shaft 11 can be controllable in accordance with some suitable electrical signal and in that way the maximum energy absorption level in the system can be set. A sliding clutch 55′ is connected between the first part 11′ and the second part 11″ of the driveshaft, at a side of the anchor drum.
Then, the driveshaft is suitably connected to an input side of the mechanical gear and the first part of the electric generator is mechanically connected to a first output side of the mechanical gear. Then, the depart position is, that the bottom foundation 5 and the counterweight 19 are hitched at parts of the support bar 13 or at the support structure 141 with their corresponding lines 7, 17 completely wound around the drums. Furthermore, an electric generator coupled to the driveshaft is provided, the generator comprising two parts that can rotate in relation to each other, and an energy accumulation device. It can then be done according to the principle that two or more planetary gears are coupled with each other having their ring gears rigidly attached to each other. Ardor en la boca del estomago y dolor de espalda . A rotational movement is produced, driving the transmission. This occurs in the rising movement of the buoy 3. Thereupon, when the buoy 3 slows down again to change its movement direction in the next wave crest, the weight continues to move upwards due to the inertia.