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        <title>Free Patents Online: Electrical generator or motor structure</title>
        <link>http://www.freepatentsonline.com/rssfeed/rssapp310.xml</link>
        <description>USPTO Class 310 Electrical generator or motor structure</description>
        <language>en-us</language>
        <lastBuildDate>Thu, 23 May 2013 08:00:00 EDT</lastBuildDate>
        <item>
            <title><![CDATA[SPINDLE MOTOR AND STORAGE DISK DRIVE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0128379.html</link>
            <description><![CDATA[A motor includes a stationary portion and a rotating portion. The stationary portion includes a shaft portion and an upper thrust portion. The upper thrust portion includes a tubular first outer circumferential surface arranged radially outside the upper thrust portion, and a tubular second outer circumferential surface arranged above the first outer circumferential surface. The rotating portion includes a sleeve portion, a tubular portion, and an annular cover portion. The annular cover portion includes a plate portion and an inner annular projecting portion arranged to project upward or downward. An inner circumferential surface of the inner annular projecting portion is arranged above an inner circumferential surface of the tubular portion. An upper seal portion includes a surface of a lubricating oil located therein. The inner circumferential surface of the inner annular projecting portion and the second outer circumferential surface are arranged opposite to each other with an axially extending gap therebetween.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[VOICE COIL MOTOR AND CAMERA MODULE USING SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0128107.html</link>
            <description><![CDATA[A voice coil motor includes a stationary magnetic field generator having a supporting frame, a moveable magnetic field generator, a case and a double sided adhesive layer. The supporting frame defines a first receiving space receiving the moveable magnetic field generator. The moveable magnetic field generator defines a second receiving space. The case encloses the stationary magnetic field generator, the moveable magnetic field generator and the double sided adhesive layer and includes a bottom plate and side plates. The bottom plate includes a first surface and a second surface facing away the first surface. The side plates extend from the second surface. The bottom plate defines a through hole. A diameter of the through hole is smaller than that of the second receiving space. The double sided adhesive layer is entirely covering the second face.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[PIEZOELECTRIC ELEMENT, LIQUID-EJECTING HEAD, AND LIQUID-EJECTING APPARATUS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127954.html</link>
            <description><![CDATA[A piezoelectric element includes a piezoelectric layer and electrodes provided to the piezoelectric layer. The piezoelectric layer consists of a complex oxide containing bismuth, cerium, iron and cobalt and the molar ratio of cobalt to the total of iron and cobalt is 0.125 or more and 0.875 or less.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ELECTRIC DRIVE UNIT]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127305.html</link>
            <description><![CDATA[An electric drive unit includes an inverter, a stator that receives an AC current from the inverter and forms a magnetic field, a rotor rotated by the magnetic field formed by the stator, a shaft that protrudes into both sides in an axial direction of the rotor and moves in synchronization with the rotor, an inverter casing that stores the inverter in a galvanic isolation state, and a motor housing. The motor housing stores the stator and the rotor in a galvanic isolation state, rotatably supports one end of the shaft using a first bearing, and rotatably supports the other end of the shaft using a second bearing. The inverter and the inverter casing are arranged in an inner side from a pair of bearings including the first and second bearings.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[CURRENT SWITCHING PULSE SERVO]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127304.html</link>
            <description><![CDATA[A current switching pulse servo including a motor, an output gear, a pulse pattern plate, and a first conductor. The motor is configured to drive a gear train of the servo. The output gear is configured to be driven by the gear train. The pulse pattern plate includes conductive portions and nonconductive portions. The pulse pattern plate is configured to rotate with the output gear. The first conductor connects the motor to the pulse pattern plate to conduct current from the motor to the pulse pattern plate.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[COOLING STRUCTURE FOR BRUSHLESS MOTOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127303.html</link>
            <description><![CDATA[A cooling structure for a brushless motor, which includes a stator, a rotor, and a motor shaft arranged integrally with the rotor. The stator includes a stator core including an inner circumferential surface, a cylindrical portion including first and second end surfaces adjacent to the inner circumferential surface, and teeth projecting from the inner circumferential surface. An insulator covers the inner circumferential surface, the first and second end surfaces, and the teeth. A coil is wound around each tooth that is covered by the insulator. The cooling structure includes a cooling fan coupled to one end of the motor shaft and arranged closer to the second end surface than the first end surface. At least one ventilation recess is arranged between two adjacent ones of the teeth in the circumferential direction in a portion of the insulator that covers the first end surface.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Method for Producing a Piezo Actuator and Piezo Actuator]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127302.html</link>
            <description><![CDATA[A method for producing a piezo actuator includes: providing a green stack including alternately successive green films and inner electrode layers; forming trenches on the outside green stack in areas in which the inner electrode layers are intended to be electrically insulated from the corresponding outer electrodes, the trenches shortening the inner electrode layers from the outside of the green stack toward the inside; filling the trenches with an electrically insulating slurry; further processing the green stack, including filling the trenches with slurry, such that the green films produce piezo electric layers and the green stack produces a piezo stack; mounting two outer electrodes on the outside of the piezo stack, such that the two outer electrodes are alternately electrically connected to the inner electrode layers. The trenches may be filled with the slurry using one of the following methods; screen printing, immersion, spraying, or vacuum infiltration.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[VIBRATOR, VIBRATING DEVICE, AND ELECTRONIC APPARATUS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127301.html</link>
            <description><![CDATA[A vibrator includes: a vibrating reed having a vibrating body, first and second support portions supporting the vibrating body, and four beams coupling the first and second support portions with the vibrating body; electrodes disposed at the vibrating body; and terminals disposed at the first and second support portions and electrically connected with the electrodes via wires disposed at the beams. Between the terminals next to each other, a plurality of grooves spaced apart in a predetermined direction and extending in a direction intersecting the predetermined direction are disposed.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[PIEZOELECTRIC THIN-FILM RESONATOR AND METHOD FOR PRODUCING PIEZOELECTRIC THIN FILM]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127300.html</link>
            <description><![CDATA[A piezoelectric thin-film resonator includes a piezoelectric thin film which includes aluminum nitride containing Sc and which has a concentration distribution such that the concentration of Sc is non-uniform in a thickness direction of the piezoelectric thin film; a first electrode; a second electrode facing the first electrode across the piezoelectric thin film; and a substrate supporting a piezoelectric vibrating section defined by the piezoelectric thin film and the first and second electrodes.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[PIEZOELECTRIC DEVICE OF POLYMER]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127299.html</link>
            <description><![CDATA[The present invention relates to a piezoelectric device of a multi-layered structure on which first electrodes and second electrodes are sequentially stacked on a piezoelectric polymer and single surfaces or both surfaces of piezoelectric polymer. In accordance with the present invention, the vibration response characteristics of the piezoelectric polymer can be improved by using the graphene or the composite thereof as a surface electrode material to the piezoelectric polymer; and, there are effects that the response characteristics of the piezoelectric device are excellent and the reliability thereof is excellent by forming a second electrode having an excellent conductivity and a protection electrode thereof.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[PIEZOELECTRIC MATERIAL AND DEVICES USING THE SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127298.html</link>
            <description><![CDATA[Provided is a Bi-based piezoelectric material having good piezoelectric properties. The piezoelectric material includes a perovskite-type metal oxide represented by the following general formula (1): Ax(ZnjTi(1-j))l(MgkTi(1-k))mMnO3 General formula (1) where: A represents a Bi element, or one or more kinds of elements selected from the group consisting of trivalent metal elements and containing at least a Bi element; M represents at least one kind of an element selected from the group consisting of Fe, Al, Sc, Mn, Y, Ga, and Yb; and 0.9≦x≦1.25, 0.4≦j≦0.6, 0.4≦k≦0.6, 0.09≦l≦0.49, 0.19≦m≦0.64, 0.13≦n≦0.48, and l+m+n=1 are satisfied.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ULTRASOUND TRANSDUCER AND PROCESSING METHODS THEREOF]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127297.html</link>
            <description><![CDATA[An ultrasonic transducer includes a backing element, an active element overlying the backing layer, and a matching element overlying the active element, the matching element having an inner surface that contacts the active element and an outer surface with a non-homogeneous texture and/or material composition. The matching element may be formed by subtractive or deposition techniques.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[TRANSDUCER ASSEMBLY]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127296.html</link>
            <description><![CDATA[An ultrasonic transducer includes a wear plate (2), a piezoelectric element (8) arranged rearwards of the wear plate and a rigid block (16) arranged rearwards of the piezoelectric element and configured to provide a backing mass for the piezoelectric element. The wear plate extends across the piezoelectric element and rearwards so as to provide a cap over the piezoelectric element and sides of at least a forward portion of the rigid block.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[PIEZOELECTRIC MICRO POWER GENERATOR AND FABRICATION METHOD THEREOF]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127295.html</link>
            <description><![CDATA[Disclosed are a piezoelectric micro power generator which converts mechanical energy to electric energy to produce electric power and a fabrication method thereof. The piezoelectric micro power generator according to an exemplary embodiment of the present disclosure includes a piezoelectric structure having a silicon base, a lower electrode formed on the silicon base, a piezoelectric film formed on the lower electrode and configured to generate electric energy in response to a change of mechanical strain, an upper electrode formed on the piezoelectric film and a proof mass coupled to a portion of a bottom surface of the silicon base and configured to control response characteristics to vibration frequency, and a frame having an opened cavity of a predetermined size and coupled to a portion of the bottom surface of the silicon base such that the proof mass is located within the cavity so as to suspend the piezoelectric structure.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[POWER TRANSMITTING MECHANISM ASSEMBLY]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127294.html</link>
            <description><![CDATA[A power transmitting mechanism assembly including a supporting plate; a first roller, which is rotatably attached to the supporting plate; a first plate, which contacts a first end of the first roller and is arranged to be able to rotate with respect to the supporting plate; a power generating unit, which generates power for rotating the first plate when a signal is applied; a second plate, which is arranged to contact a second end of the first roller; and a friction changing unit, which is attached to at least one of the first roller, the first plate, and the second plate and changes friction of a portion of a contacting surface between the first roller and the first plate or friction of a portion of a contacting surface between the first roller and the second plate.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[METHOD FOR PRODUCING PIEZOELECTRIC THIN-FILM ELEMENT, PIEZOELECTRIC THIN-FILM ELEMENT, AND MEMBER FOR PIEZOELECTRIC THIN-FILM ELEMENT]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127293.html</link>
            <description><![CDATA[Provided is a method for producing a piezoelectric thin-film element including a piezoelectric thin-film layer having good surface morphology and high crystallinity. The method includes forming a lower electrode layer on a substrate; forming a piezoelectric thin-film buffer layer on the lower electrode layer at a relatively low film-formation temperature; forming a piezoelectric thin-film layer on the piezoelectric thin-film buffer layer at a film-formation temperature that is higher than the film-formation temperature for the piezoelectric thin-film buffer layer; and forming an upper electrode layer on the piezoelectric thin-film layer.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ROTORS OF INDUCTION MOTORS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127292.html</link>
            <description><![CDATA[A rotor for an induction motor includes a rotor body, the rotor body defining a central cavity configured to receive a motor shaft and having a plurality of radial slots formed therethrough, each radial slot of the plurality of radial slots extends outward radially from the central cavity to an outer surface of the rotor body, a plurality of conductive bars arranged within the plurality of radial slots of the rotor body, wherein each conductive bar of the plurality of conductive bars extend outward radially within each radial slot from the central cavity to the outer surface of the rotor body, a first end ring arranged on the rotor body in electrical communication with each conductive bar of the plurality of conductive bars, and a second end ring arranged on the rotor body in electrical communication with each conductive bar of the plurality of conductive bars.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ROTOR AND METHOD OF FORMING SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127291.html</link>
            <description><![CDATA[A method of forming a rotor, wherein the rotor includes a plurality of conductor bars each joined to a shorting ring, includes disposing an end of each of the plurality of conductor bars within a respective one of a plurality of cavities defined by the shorting ring. The method also includes, after disposing, deforming the end of each of the conductor bars, and brazing the end of each of the conductor bars to the shorting ring to form the rotor. A rotor includes a shorting ring defining a plurality of cavities therein each having a shape, a plurality of conductor bars each having an end disposed within a respective one of the cavities and joined to the shorting ring, wherein the end is deformable to the shape, and a braze material disposed in contact with the end of each of the conductor bars within a respective one of the cavities.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[STATOR OF ROTATING ELECTRICAL MACHINE AND ROTATING ELECTRICAL MACHINE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127290.html</link>
            <description><![CDATA[A stator of a rotating electrical machine includes a stator core which is annular in shape, a plurality of stator coil groups constituting a plurality of phases, each-phase stator coil group being wound on the stator core and including a plurality of unit coils connected to each other, and a plurality of pieces of interphase insulation paper for insulation of coils belonging to different phases, disposed between coil ends of the unit coils belonging to different phases at both axial ends of the stator core, the interphase insulation paper pieces having ends which are inserted between the coil ends of the unit coils belonging to an identical phase, respectively.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[CONDUCTOR AND ROTATING ELECTRICAL MACHINE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127289.html</link>
            <description><![CDATA[A conductor for a coil of a rotating electrical machine that includes a conductor wire bundle formed by gathering a plurality of conductor wires and a flexible insulating covering material that covers a periphery of the conductor wire bundle. The conductor has an intra-covering gap formed inward of the insulating covering material in a radial direction so that the conductor wires can move relative to each other in the intra-covering gap, and a cross-sectional shape of the insulating covering material along a perpendicular plane that is perpendicular to an extending direction in which the conductor wire bundle extends can be deformed.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ELECTRIC MACHINE WITH INSULATOR SPACER]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127288.html</link>
            <description><![CDATA[A stator assembly for an electric machine including a stator core supporting a plurality of electrical conductors. A plurality of elongated insulator spacers is interwoven between the conductors proximate connection ends thereof in axially spaced relation to the stator core.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[METHOD OF P-FORMING A CONTINUOUS CONDUCTOR HAVING A RECTANGULAR CROSS SECTION AND A STATOR INCLUDING A STATOR WINDING FORMED FROM A P-FORMED CONDUCTOR HAVING A RECTANGULAR CROSS-SECTION]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127287.html</link>
            <description><![CDATA[A method of P-forming a conductor having a rectangular cross-section to create a continuous stator winding. The method includes forming a conductor having a rectangular cross-section into a series of first and second substantially parallel segments that meet at a vertex, deforming the conductor such that each of the first and second segments are non-parallel to form a cross-over feature at the vertex, and deforming a section of each of the first and second segments to include corresponding first and second portions that are generally parallel to create the continuous stator winding.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[CONTINUOUS STATOR WINDING HAVING A RECTANGULAR CROSS-SECTION AND METHOD]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127286.html</link>
            <description><![CDATA[A continuous stator winding includes a conductor having a rectangular cross-section, and a plurality of loops formed in the conductor. Each of the plurality of loops includes first and second substantially straight segments joined by at least one angled segment. A cross-over feature is formed in the at least one angled section. The cross-over feature includes a deformation formed in the conductor configured and disposed to nest with other conductors that form the stator winding.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[MULTIPLE POLE SPHERICAL STEPPING MOTOR AND MULTIPLE POLE SPHERICAL AC SERVO MOTOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127285.html</link>
            <description><![CDATA[Provided is a means for mitigating strict constraints between a virtual polyhedron inscribed in a rotor and a virtual polyhedron inscribed in a stator of a spherical stepping motor and a spherical AC servo motor and drastically increasing the degree of freedom in design. The above problem is solved by disposing permanent magnets at points of division of the sides of the virtual polyhedron inscribed in the rotor and electromagnets at points of division of the sides of the virtual polyhedron inscribed in the stator. A multiple pole spherical stepping motor and a multiple pole spherical AC servo motor include a rotor with permanent magnets disposed at the vertexes of a virtual polyhedron inscribed in a sphere and at points of division of arcs corresponding to the sides connecting the vertexes, and a stator with electromagnets disposed at the vertexes of a virtual polyhedron inscribed in a sphere containing the sphere of the rotor and at points of division of arcs corresponding to the sides connecting the vertexes.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[AIRCRAFT]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127284.html</link>
            <description><![CDATA[An aircraft includes a propeller and an electric motor which is constructed in the form of a drive for the propeller. The electric motor includes at least two air gaps that can be used for cooling. The air gaps define an axis of symmetry which corresponds to an axis of rotation of the propeller.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ROTOR OF AN ELECTRIC MOTOR AND MANUFACTURING METHOD OF SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127283.html</link>
            <description><![CDATA[A rotor of an electric motor is provided in which a cylindrical rotor core that is formed by stacked magnetic steel sheets and includes permanent magnets is crimp-fixed to a rotor shaft. The rotor core is directly fixed, in the axial direction of the rotor shaft, between a flange portion that is provided on an outer periphery of the rotor shaft and abuts against one axial end surface of the rotor core, and a crimping member that is crimp-fixed on the rotor shaft while pressure-contacting the other axial end surface of the rotor core.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[METHOD OF RESIN SEALING PERMANENT MAGNET AND LAMINATED CORE MANUFACTURED BY THE METHOD]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127282.html</link>
            <description><![CDATA[A method of resin sealing a permanent magnet in a magnet insertion portion of a laminated body, the body formed by laminating plural core sheets and including the plural portions formed around a shaft hole in a center thereof, the portion connected to an internal space via an opening. The method includes a first process of positioning a blocking member blocking the opening from a side of the space in a way that the member is vertically-placed in a lower die or an upper die, while the both dies hold the body from both sides in an axial direction and close the portion; and a second process of filling a resin extruded from a resin reservoir portion provided in the die or the die into the portion having the magnet inserted therein and having the opening closed by the member.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[PULLING PLATE FOR SPINDLE MOTOR AND SPINDLE MOTOR HAVING THE SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127281.html</link>
            <description><![CDATA[There is provided a pulling plate for a spindle motor, the pulling plate including: a body having a circular ring shape; and a plastic deformation part protruding upwardly from the body and plastically deformed when being mounted. Since the pulling plate is installed in the base member by deforming the plating deformation part, a coupling strength between the pulling plate and the base member may be improved. In addition, since the pulling plate may be installed in the base member only through the deformation of the plastic deformation part, an amount of deformation may be reduced. Further, contamination generated in the case that the puling plate clips the base member may be reduced as compared to a case in which the entire pulling plate is press-fitted into the base member.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ELECTRIC ROTATING MACHINE AND ELECTRIC VEHICLE USING THE SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127280.html</link>
            <description><![CDATA[An electric rotating machine that can improve efficiency in the high-speed operation state thereof and improve the efficiency of an electric vehicle in the high-speed operation state thereof by the use of the electric rotating machine. An electric rotating machine includes a stator and a rotor. The stator has a stator core with slots and stator windings. The rotor includes a rotor core and a plurality of first permanent magnets and of second permanent magnets. The rotor core is provided with laminated electromagnetic steel sheets and formed with a plurality of magnetic poles arranged in a circumferential direction. The plurality of first and second permanent magnets form the plurality of corresponding magnetic poles. The first permanent magnet and the second permanent magnet for forming each of the magnetic poles of the rotor are different from each other in recoil permeability.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[REPULSIVE FORCE CONVERSION DRIVES AND CENTRIFUGAL FORCE CONVERSION]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127279.html</link>
            <description><![CDATA[A repulsive force conversion drive system for centrifugal force conversion to drive a load. A operational load to be driven by movement and provide external power due to movement of the operational load. A rotary repulsive force conversion drive connected to the operational load, such that the operational load moves in a first linear direction due to centrifugal force of rotating mass of the rotary repulsive force conversion drive. A linear repulsive force conversion drive connected to the operational load, the linear repulsive force conversion drive connected to the operational load such that the operational load moves is a second linear direction that is opposite the first linear direction on command from the linear repulsive force conversion drive.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[MAGNETIC GEAR DEVICE AND HOLDING MEMBER]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127278.html</link>
            <description><![CDATA[A magnetic gear device including: an internal rotor and an external rotor in which a plurality of magnetic pole pairs are each placed in a circumferential direction substantially at equal intervals; and a holding member that is placed between the internal rotor and the external rotor and holds a plurality of magnetic materials in the circumferential direction substantially at equal intervals, wherein the number of magnetic materials is a difference between or a total of the numbers of magnetic pole pairs, the holding member includes a plurality of circular rings that hold the magnetic materials, and connecting rods that are placed in the circumferential direction substantially at equal intervals and connect the plurality of circular rings, the plurality of circular rings face each other via the magnetic materials, and each number of magnetic pole pairs is set to have the number of connecting rods as a divisor.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[FLAT MOTOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127277.html</link>
            <description><![CDATA[A flat motor has a standard cylindrical bearing and the structure for fastening the bearing by sufficient strength. The flat motor has a rotor frame that is rotatably supported by a bearing through which the shaft passes, and a rotor frame has: flat portion which is formed by a flat plate and which has central hole; outer cylindrical portion which is formed in a cylindrical shape on the side of central hole of flat portion by bending the flat plate and lengthening in an axial direction of the shaft; and inner cylindrical portion to which bearing is fastened, and which is formed in a cylindrical shape on the inner circumstance side of outer cylindrical portion by bending the flat plate at the end opposite to the end of flat portion on the inside of rotor frame and lengthening in a direction contrary to the direction in which outer cylindrical portion lengthens. Since inner cylindrical portion is formed by bending the flat plate at the end of outer cylindrical portion on the inside of rotor frame, and lengthening in a direction contrary to the direction in which outer cylindrical portion lengthens, in inner cylindrical portion the force is generated, as reaction force generated based on mainly bending, toward the inside of rotor frame with a focus on the end opposite to the end of outer cylindrical portion, and cylindrical bearing is elastically fastened by the force generated toward the inside.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[HYDRODYNAMIC BEARING ASSEMBLY AND MOTOR INCLUDING THE SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127276.html</link>
            <description><![CDATA[There are provided a hydrodynamic bearing assembly and a motor including the same. The hydrodynamic bearing assembly includes: a sleeve having a shaft rotatably inserted therein; a hub provided on an upper end of the shaft and having a main wall part protruding downwarly in an axial direction; and a stopper provided at an inner side of the main wall part to limit floatation of the hub and form an oil interface between an inner surface thereof in an inner radial direction and an outer surface of the sleeve, wherein the stopper has a lower porosity in a portion filled with oil than that of other portions thereof.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ELECTRIC MOTOR ASSEMBLY]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127275.html</link>
            <description><![CDATA[An axial flux electric motor is disclosed. The motor includes a rotor having a first rotor face, a second rotor face, a primary bearing locator on the first rotor face and one or more permanent magnets mounted to the first rotor face. Also included is a stator having a first stator face, a second stator face, a secondary bearing locator on the first stator face, a stator winding having one or more conductors and a connector for connection of the stator winding to a power source. A bearing assembly is also provided and positioned between the first face of the rotor and the first face of the stator for rotationally supporting movement of the rotor relative to the stator, the bearing assembly axially displacing the rotor from the stator to provide an air gap therebetween. The bearing assembly is engaged by the primary and secondary bearing locators to correctly position the bearing assembly.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[SPINDLE MOTOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127274.html</link>
            <description><![CDATA[There is provided a spindle motor including: a hub operating together with a shaft and including a magnet; a base coupled to a sleeve supporting the shaft and including a core having a coil wound therearound, the coil generating rotational driving force; and a shielding part provided on the magnet and blocking magnetic flux introduced from the magnet into the base to thereby increase magnetic flux density between the magnet and the core, wherein the shaft and the hub rotate while descending via oil when power is applied to the coil.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[HYDRODYNAMIC BEARING ASSEMBLY AND MOTOR INCLUDING THE SAME]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127273.html</link>
            <description><![CDATA[There are provided a hydrodynamic bearing assembly and a motor including the same. The hydrodynamic bearing assembly includes: a sleeve having a shaft hole into which a shaft is rotatably inserted; and a hub fixed to an upper end of the shaft and extended in an outer radial direction, wherein an upper surface of the sleeve and a lower surface of the hub have an oil interface formed therebetween to seal oil.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[DRIVE UNIT FOR WINDMILL]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127272.html</link>
            <description><![CDATA[A cutaway portion is provided in a driving force transmission path and serves as a disconnection mechanism for disconnecting the driving force transmission path under the action of a torque of a predetermined magnitude or more, the driving force transmission path being a path through which a driving force is transmitted from an output shaft to a pinion. A partitioning portion is provided inside the body and disposed between the cutaway portion and a speed reduction portion so as to partition an area between the cutaway portion and the speed reduction portion.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ELECTRIC MACHINE HAVING A HEAT DISSIPATING CONSTRUCTION]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127271.html</link>
            <description><![CDATA[An electric machine comprises an outer casing (2), a rotor and a stator (3) having at least one polar expansion (5) and at least one winding (8) having an annular shape and placed around the polar expansion (5). The casing (2) has a plurality of protrusions (13) each of which holds, by supporting, a corresponding portion (12) of a stator winding (8) to enable heat exchange between the winding (8) and the protrusion (13). Each portion (12) of the winding (8) is electrically insulated from the respective protrusion (13).]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[METHOD OF WINDING A STATOR CORE WITH A CONTINUOUS CONDUCTOR HAVING A RECTANGULAR CROSS-SECTION AND A STATOR CORE]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127270.html</link>
            <description><![CDATA[A method of inserting a continuous conductor having a rectangular cross-section into slot segments formed in a stator core includes deforming in a first direction a core member having a first end portion that extends to a second end portion to widen an opening at end portions of the slot segments, inserting one or more continuous conductors having a rectangular cross-section into select ones of the slot segments, and deforming in a second direction the core member to narrow the opening at end portions of the slot segments.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[METHOD OF OPERATING AN ELECTRIC MACHINE HAVING AN INTEGRATED COOLANT LEVEL SENSOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127269.html</link>
            <description><![CDATA[A method of operating an electric machine includes flowing a coolant into an interior portion of a housing of the electric machine, and sensing a level of coolant in a coolant collection area within the interior portion with a coolant level sensor arranged at the housing.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ELECTRICITY GENERATOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127268.html</link>
            <description><![CDATA[Embodiments of the invention relate to an electricity generator system. The system comprises: a conductor; a magnet; and conversion means. The magnet is configured such that motion of the conductor relative to the magnet induces a current in the conductor and the induced current in the conductor causes motion of the magnet. The conversion means are configured to convert motion of the magnet to electricity.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[CYLINDRICAL LINEAR MOTOR WITH LAMINATED STATOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127267.html</link>
            <description><![CDATA[A cylindrical linear motor includes a cylindrical rotor, and a cylindrical stator arranged in coaxial relationship to the rotor. The stator has a plurality of annular coils which are arranged in coaxial relationship, and a ferromagnetic stator core which includes a plurality of individual laminations which are aligned radially or arranged in a star shape. This reduces a field displacement caused by eddy currents, as a result of which ultimately a time delay in the force buildup is also reduced.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Electromagnetic Vibrator and Producing Method Thereof]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127266.html</link>
            <description><![CDATA[An electromagnetic vibrator includes an electromagnetic provider and a vibration unit, wherein the vibration unit includes a diaphragm unit and an induction coil unit affixing on an inner side of the diaphragm unit, so that when the vibration unit is mounted to the electromagnetic provider, the induction coil is inducted to the electromagnetic to generate an electromagnetic field, so as to axially vibrate the induction coil to vibrate the vibration unit.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[CYLINDRICAL LINEAR MOTOR HAVING LOW COGGING FORCES]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127265.html</link>
            <description><![CDATA[Cogging forces of a cylindrical linear motor are reduced with a linear motor having a rotor with eight poles and a stator with 36 toroidal coils (optionally multiples of eighteen toroidal coils) inserted into slots (N1 to N36) (or a multiple of 36 slots). The toroidal coils extend in the circumferential direction of the stator, are of equal size, and are arranged axially one behind the other. All the terminals of the toroidal coils are located in an axially extending connector channel. The two terminals of each coil are connected according to a specific connection scheme.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[COMBINATION DRIVE FOR ROTARY AND LIFTING MOVEMENTS, AND LINEAR MOTOR WITH REDUCED INERTIAS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127264.html</link>
            <description><![CDATA[A combination drive for rotary and lifting movements includes a rotary motor and a linear motor as well as an output shaft which is caused to rotate by the rotary motor and caused to move linearly by the linear motor. The output shaft includes an output end. The rotary motor is arranged closer to the output end of the output shaft than the linear motor. The output shaft can be designed shorter as a result. Further measures for increasing the dynamics are mass reductions on the rotor of the linear motor.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[WASHER WASHING BALL INDUCTIVE DEVICE AND A DRAIN COVER FOR THE WASHING BALLS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127263.html</link>
            <description><![CDATA[Disclosed are a washing unit for washing contaminants within a washing machine, a permanent magnet inducing unit for effectively washing an inner wall of a water tank by using induction of an electric field or providing a motion to an artificial floating body of the water tank, and a drain cover for a washing machine for assisting a washing operation of a washing ball of the washing machine. The washing unit has a body for maintaining a certain shape such as a ball and a plurality of washing projections, and is introduced into spaces between the water container and the washing tub and between the water tank and the pulsator to frictionally remove various filths attached to the washing tank, the washing tub and the pulsator with the washing projections that floats at a predetermined depth of washing water.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[Electrical Rotating Machine System or Wind Turbine System]]></title>
            <link>http://www.freepatentsonline.com/y2013/0127172.html</link>
            <description><![CDATA[An electrical rotating machine system that can be easily maintained and can provide improved power generation efficiency. The electrical rotating machine system includes:a first electrical rotating machine having a first stator that has first stator windings, and a first rotor that has first rotor windings and is disposed on the internal diameter side of the first stator so as to have a gap between the internal diameter side of the first stator and the first rotor itself; a second electrical rotating machine having a second stator that has second stator windings, and a second rotor that has second rotor windings and is disposed on the internal diameter side of the second stator so as to have a gap between the internal diameter side of the second stator and the second rotor itself; and at least one power converter that is electrically connected to the first rotor windings and the second rotor windings, and configured to rotate when the first rotor rotates.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[UNIT, OSCILLATOR AND ELECTRONIC APPARATUS]]></title>
            <link>http://www.freepatentsonline.com/y2013/0125650.html</link>
            <description><![CDATA[In a unit, the unit comprising a quartz crystal resonator having a base portion, and first and second vibrational arms, each of the first and second vibrational arms having a length and opposite main surfaces each including a central linear portion, at least one groove being formed in the central linear portion of at least one of the opposite main surfaces of each of the first and second vibrational arms so that the at least one groove is formed continuously in the central linear portion along the length of the corresponding one of the first and second vibrational arms, a length of the base portion being less than 0.5 mm and an overall length of the quartz crystal resonator being within a range of 1.02 mm to 1.95 mm.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
        <item>
            <title><![CDATA[ELECTRIC ENERGY GENERATOR]]></title>
            <link>http://www.freepatentsonline.com/y2013/0125438.html</link>
            <description><![CDATA[The invention relates to an electric energy generator (21 to 23) that transforms a type of mechanical energy into a stable direct current electric energy supply for a shot counter (24) for a portable firearm.]]></description>
            <pubDate>Thu, 23 May 2013 08:00:00 EDT</pubDate>
        </item>
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