In other words, displacement of the magnets 446 with respect to the magnets 451 creates a restoring force as the magnets attempt to align themselves (i.e., the alignment force counteracts the thrust of the fluid current). Furthermore, as above, those of ordinary skill would also understand that the magnetic bearing mechanisms 445 and 450 may comprise various Halbach type arrays, and those having skill in the art would understand how to modify and offset (i.e., displace the structures with respect to each other) the structures of 445 and 450 to permit the rotatable structure 410 to rotate relative to the stationary structure 420 in a substantially stable axial position (i.e., provide an adequate axial restoring force), and would understand that the structures 445 and 450 shown are schematic representations only. 1 and 2 includes a plurality of discrete bearing mechanisms 115 and 125 positioned at substantially regularly-spaced angular intervals about an axis of rotation of the system, those having ordinary skill in the art will appreciate that one or both bearing mechanisms 115 and 125 may be a single integral annular element extending substantially continuously along the respective surfaces 111 and 122. Alternatively, a series of bearing mechanisms 115 or 125 may be positioned end-to-end so as to form a continuous annular element that extends substantially continuously along the respective surfaces 111 and 122. The number, size, and configuration of the bearing mechanisms 115 and 125 depicted in FIG.
- Quistes ováricos
- Sedentarismo + demasiado tiempo frente al ordenador
- Whether the ocean surface is substantially tranquil or is buffeted by hurricane conditions
- Ejercicio Terapéutico
Thus, the energy conversion systems are configured to operate in both directions of fluid flow, with the direction of rotation of the rotatable structure being altered depending on the direction of the fluid current. 4) are mounted. The rotatable structure 410 is rotatably mounted relative to (e.g., within the periphery thereof in the exemplary embodiment of FIG. In various other exemplary embodiments, the bearing mechanisms 115 and 125 may be configured as hydrodynamic bearings and the rotating motion of the rotatable structure 110 may cause suction of the fluid onto the bearings and over the bearing surfaces thereof. 1 may be replaced with or may include a magnet/conductive coil pair configured to generate electricity upon relative motion thereof resulting from the relative motion of the rotatable structure 110 and the stationary structure 120. Various other mechanisms also may be used to convert to electricity or other useful forms of energy the rotational motion of the rotatable structures relative to the stationary structures in accordance with various exemplary embodiments of the present teachings.
Dolor Muscular Brazo
The bearing mechanisms 115 and 125 may comprise structures configured to achieve magnetic levitation by any mechanisms known to those skilled in the art of magnetic levitation technology and those described above are exemplary only. As would be understood by those ordinarily skilled in the art, due to their configuration and central location within the energy conversion system, the magnetic bearing mechanisms 445 and 450 are inherently bidirectional and may therefore accommodate flow in either direction. Dolor repentino de espalda . Moreover, although the orientation of the energy conversion systems in the various exemplary embodiments described herein is generally within a substantially vertical plane, those ordinarily skilled in the art will appreciate that modifications may be made to operate energy conversion systems in accordance with the present teachings in any orientation. Those ordinarily skilled in the art would understand, however, that the configuration exemplified by the bearing mechanisms 435 and 440 may have the specific benefit that no eddy current losses are commensurate with the structures’ rotation.
Tipos De Dolor Crónico
For example, the magnetic field between the bearing mechanisms 445 and 450 may be sufficient to substantially retard movement of either the rotatable structure 410 and/or the stationary structure 420 in the axial direction as a result of the force associated with the fluid current (e.g., the thrust of the fluid current) acting thereon. That is, the bearing mechanisms 115 and 125 may establish a magnetic field sufficient to levitate (e.g., float) the rotatable structure 110 relative to the stationary structure 120 so that the rotatable structure 110 can rotate relative to the stationary structure 120. The magnetic field created between the sets of bearing mechanisms 115 and 125 may be sufficient to maintain a spacing (e.g., radial spacing) between the rotatable structure 110 and the stationary structure 120. More specifically, the magnetic field may be sufficient to maintain a spacing (i.e., gap) G between opposing surfaces of the structures 110 and 120 (in other words, the interface), for example, in FIG.
In accordance with various additional embodiments, for example, the bearing mechanisms may be configured as passive mechanical bearings, such as for example, conventional sealed roller bearing mechanisms as shown in FIGS. 4 may include one or more sets of passive mechanical bearings, such as for example, conventional sealed roller bearings 416 (a plurality of sets being depicted in the exemplary embodiment of FIGS. In one exemplary embodiment, the bearing mechanisms 115 mounted on the rotatable structure 110 may comprise an array of magnets and the bearing mechanisms 125 mounted to the stationary structure 120 may comprise a conductive coil. 4-17, for example, in at least one exemplary embodiment, roller bearing mechanisms may be used to provide a radial bearing for the system and magnetic bearing mechanisms (e.g., magnetic levitation bearing mechanisms) may be used to provide an axial bearing for the system.
26, 2012; U.S. Pat.
Further, the energy conversion system embodiments of FIGS. In various exemplary embodiments in accordance with the present teachings, as shown in FIG. Pat. No. 7,453,166 to adapt those techniques for use with the energy conversion systems in accordance with the present teachings. 26, 2012; U.S. Pat. Pat. No. 7,453,166, incorporated by reference herein, for further details relating to adjustable blade members. FIG. 15 is a graph of restoring force versus vertical displacement for the magnetic bearing mechanism of FIG. 2), across the interface of the opposing surfaces 111 and 122 so as to provide a radial bearing (as depicted by the arrow y in FIG. For example, the surface tension and viscosity of the fluid and the relative motion of the rotatable and stationary structures 110 and 120 may cause a thin film of fluid that maintains the axial and radial positioning of the rotatable structure 110 relative to the stationary structure 120 (e.g., in the embodiment of FIG.
Those having skill in the art would understand how to modify the structures of 115 and 125 to achieve magnetic levitation of the rotatable structure 110 relative to the stationary structure 120, and would understand that the structures 115 and 125 shown are schematic representations only. Dolor de rodilla en la parte externa . The number, shape, spacing, size, magnetic field strength, and other properties of the bearing mechanisms 115 and 125 may be selected based on various factors such as the size and weight of the rotatable and stationary structures 110, 120, the required levitation and bearing forces, and other factors based on the desired application.
Dolor Espalda Al Respirar
For example, if a bearing mechanism 115 is configured as an array of magnets and a bearing mechanism 125 is configured as a conductive coil, motion of those bearing mechanisms relative to one another due to rotation of the rotatable structure 110 relative to the stationary structure 120 may generate a voltage in the conductive loop which can be drawn off through the use of electrical leads (not shown) for electricity generation. Non-limiting, exemplary Halbach type arrays may include, for example, 90 degree Halbach arrays (i.e., arrays with a 90 degree rotation pattern) and 45 degree Halbach arrays (i.e., arrays with a 45 degree rotation pattern). 6, the magnets 436 and 441 may be substantially arranged in a Halbach type array (i.e., a rotating pattern of permanent magnets, wherein the arrows demonstrate the orientation of each magnet’s magnetic field). In various further embodiments, when using dynamic magnetic bearing mechanisms and/or hydrodynamic bearing mechanisms, additional bearing mechanisms (e.g., roller bearing mechanisms) may be utilized until the rotatable structure reaches a speed sufficient for the dynamic magnetic bearing mechanisms and/or the hydrodynamic bearing mechanisms to take effect and bear the applicable load of the system.
Tipos De Dolor
18-73 is depicted as an array of plural cooperating bearing elements. 18-73 is shown in only one direction, the fluid current can be in the opposite direction as well and still permit the energy conversion system to operate. 1) of an exemplary embodiment of an energy conversion system 100 having an open center configuration is shown. It should be understood that the invention, in its broadest sense, could be practiced without having one or more features of these exemplary aspects and embodiments. 1 may include one or more sets of bearing mechanisms 115, 125 (a plurality of sets being depicted in the exemplary embodiment of FIGS. By using the fluid in which the system is submerged, sealing of the bearing mechanisms may not be necessary because the fluid may leave the bearing mechanism and be recycled to the body of fluid in which the system is submerged without detrimental effects on the body of water.
To rotatably mount the rotatable structure 110 relative to the stationary structure 120, the energy conversion system of FIG. For example, for adjustable blade members, the blade members may be rotatable about their longitudinal axis so as to adjust an angle of the blade member surface relative to the fluid flow. FIG. 7, for example, illustrates a magnetization field plot for an exemplary embodiment of the magnetic bearings (i.e., the permanent magnetic arrays) of FIG. Dolor de espalda lumbar derecho . FIG. 14, for example, illustrates the magnetization field plot for the magnetic bearings (i.e., the permanent magnetic array and steel-C core) of FIG. As would be understood by those of ordinary skill in the art, in this configuration, the magnetic steel yokes 456 may provide an alternating flux linkage on the coil 457 due to the magnetization orientation shown in FIG.
BRIEF DESCRIPTION OF DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate some exemplary embodiments of the present teachings and together with the description, serve to explain certain principles. It will be apparent to those skilled in the art that various modifications and variations can be made to the systems and methods of the present teachings without departing from the scope the present teachings and appended claims.
Additional challenges may arise from such energy conversion systems’ reliance on relative rotational movement of components to produce energy. The rotational movement caused by interaction of fluid currents with the blade members 130 may be converted to another form of energy, such as, for example, electricity and/or hydrogen production. Water currents are a source of renewable power that is clean, reliable, and predictable years in advance, thereby facilitating integration with existing energy grids. Tidal power exploits the movement of water caused by tidal currents, or the rise and fall in sea levels due to tides. 13. As illustrated in FIGS.