It may be evident, however, that the present invention may be practiced without these specific details. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. While this invention has been particularly shown and described with references to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present application as defined by the appended claims. It is to be understood that both the foregoing general description and the following detailed description are explanatory only and are not restrictive of aspects as claimed. Both sides of the chord 100 should be identical in dimensions, or symmetrical. This is a critical conclusion as we should see similar results when a similar configuration is used in moving water.
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Hydrokinetic technologies produce renewable electricity by harnessing the kinetic energy of a body of water, the energy that results from its motion. Hydrokinetic energy is the energy that can be captured from flowing water that occurs in rivers or ocean currents. As the generators are located above the water line, it can be easily maintained or replaced without shutting down the entire array.
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In another aspect, the invention features an apparatus including modular vertically floating units tethered to shore with a generator residing above a waterway and a plurality of vertically oriented blades submerged in the waterway to convert a latent kinetic energy of a moving waterway into electricity. The preferred installation infrastructure requirements are land based with minimal in water work that can be installed in a matter of weeks as opposed to years (as is the case with conventional hydropower technology). Preferred operating parameters of the present invention include moving water between 3 to 6 mph, capable of operating in shallow or narrow waterways that can be scalable up to 1 MWh. The array will have the versatility to scale along the length and width of even narrow waterways such as irrigation canals, while traditional hydro is constrained by width.
One other key advantage is that we can modify the generators to have different operating parameters to match faster or slower moving bodies of water. The examples shown have a leading edge 200, a trailing edge 201 and all have a symmetrical shape 202 (albeit different lengths and widths). 300 shows the direction of the flow of water towards the leading edge of the blade. Shows the floating hydro generator modules secured 610 at four point to the land based anchor points. Multiple locations of tethering may be employed including water based anchors in necessary.
FIG. 6A is a diagram of a side view of symmetrical vertical blades in an operational array attached to the generator 600 suspended on a floating device 601 that is tethered to land or other secured anchoring point 602. We refer to these as “Floating hydro-generator modules.” The tethering of the units can be accomplished using rope, cables or other natural or man-made materials that provide strength and resilience in a wet environment. The present invention can be installed and operational in as little as a few hours if anchored onshore.
FIG. 8A is a diagram of a side view of symmetrical vertical blades in an operational array which is attached directly to land or other secured anchoring point using structural support beams. Hernia inguinal dolor lumbar . FIG. 2 is a diagram of various side views of the length of symmetrical vertical blades of the type used in this invention. The units rotating clockwise 1200 are placed across from units rotating counterclockwise 1201 in series of 2 where possible to increase power as the water flows to the downstream units 1203. This effect of not only avoiding power loss, but increasing its power can only be achieved using vertically oriented blades. Modular vertically floating units are tethered to shore with the generator residing above water and vertically oriented blades submerged in water. FIG. 7B is a diagram of an above view of the floating hydro generator module that can be anchored to the bed of the waterway.
Depending upon the waterway conditions and flow speed, the floating module 700 can be anchored into the bed of the waterway 701 using an extension to the main hollow structural pipe 702. This extension 703 can vary in length to meet the depth of the waterway and is inserted from above the water line 704 for easy installation. FIG. 11 is a diagram of an above view of an array of floating hydro generator modules attached in an array both vertically and horizontally in a scalable configuration. FIG. 6B is a diagram of an above view of a floating hydro-generator module tethered to a secured anchoring point. Additional floating devices 801 may be added in the event that the water level is highly variable, as well as protection in the event that the water level becomes too shallow for the rotating blades and prevent contact with the bottom of the waterway.