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        <title>Free Patents Online: Electrical generator or motor structure</title>
        <link>http://www.freepatentsonline.com./rssfeed/rsspat310.xml</link>
        <description>USPTO Class 310 Electrical generator or motor structure</description>
        <language>en-us</language>
        <lastBuildDate>Tue, 22 Dec 2009 08:00:00 EST</lastBuildDate>
        <item>
            <title><![CDATA[Machine tool and method for operating a machine tool]]></title>
            <link>http://www.freepatentsonline.com./7636516.html</link>
            <description><![CDATA[The invention relates to a machine tool comprising an electric motor ( 2 ) which serves to drive a tool and which has an adjustable, electric brush arrangement ( 3 ), and comprising a mode selector switch ( 6 ) having various switch positions. Provision is made for an adjusting device ( 8 ) to displace the brush arrangement ( 3 ) as a function of the switch position of the mode selector switch ( 6 ). Furthermore, the invention relates to a corresponding method.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Drive device, particularly for a clockwork mechanism]]></title>
            <link>http://www.freepatentsonline.com./7636277.html</link>
            <description><![CDATA[A drive device formed by etching a wafer. The drive device includes a drive element that can sequentially mesh with a driven element and an actuating element that can displace the drive element according to a hysteresis movement thereby driving the driven element. Placement of the drive element on an outer edge of the wafer enables an interfacing of the drive element with a driven element placed opposite therefrom. A clockwork mechanism including a drive device of the aforementioned type and an input gear that can be rotationally driven by the drive device is also provided.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Piezoelectric resonator and piezoelectric thin-film filter]]></title>
            <link>http://www.freepatentsonline.com./7636027.html</link>
            <description><![CDATA[A piezoelectric resonator and a piezoelectric thin-film filter including the piezoelectric resonator. The piezoelectric resonator includes a piezoelectric layer disposed between a pair of conductive layers to form a vibrating region. Outer edges of the vibrating region each have a waveform. The vibrating region includes a peripheral portion extending along the outer edges of the planar shape and having a relatively small thickness; and a central portion extending inside the peripheral portion and having a relatively large thickness. The piezoelectric resonator is thus capable of suppressing long-wavelength spurious modes and short-wavelength spurious modes.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Sensor apparatus]]></title>
            <link>http://www.freepatentsonline.com./7635942.html</link>
            <description><![CDATA[A sensor apparatus and method for detecting an environmental factor is shown that includes an acoustic device that has a characteristic resonant vibrational frequency and mode pattern when exposed to a source of acoustic energy and, further, when exposed to an environmental factor, produces a different resonant vibrational frequency and/or mode pattern when exposed to the same source of acoustic energy.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Transducer]]></title>
            <link>http://www.freepatentsonline.com./7635941.html</link>
            <description><![CDATA[An electromechanical force transducer having an intended operative frequency range comprises a resonant element ( 10 ) having a periphery and having a frequency distribution of modes in the operative frequency range, characterized by support means ( 16 ) coupled to the periphery of the resonant element, the support means ( 16 ) having a substantially restraining nature in relation to bending wave vibration of the resonant element ( 10 ). The transducers may be mounted to an acoustic radiator ( 12 ) in a loudspeaker via coupling means ( 14 ) to excite the acoustic radiator to produce an acoustic output.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Ultrasonic motor and microscope stage]]></title>
            <link>http://www.freepatentsonline.com./7635940.html</link>
            <description><![CDATA[An ultrasonic motor includes a vibrator formed by stacking a plurality of rectangular piezoelectric plates in a thickness direction, a driving circuit for applying a driving signal to a piezoelectric plate, and a detection circuit for detecting an electromotive force generated when the piezoelectric plate deforms, and this ultrasonic motor is configured in such a manner that there are a first piezoelectric plate and a second piezoelectric plate among the plurality of rectangular piezoelectric plates, the first and the second piezoelectric plate each is a piezoelectric plate in which a longitudinal vibration polarization portion that can excite longitudinal vibrations and a bending vibration polarization portion that can excite bending vibrations are polarized in a thickness direction, and the first piezoelectric plate is connected to the driving circuit and the detection circuit, and the second piezoelectric plate is connected to the driving circuit and is not connected to the detection circuit.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Microactuator with displacement sensing function and deformable mirror including the microactuator]]></title>
            <link>http://www.freepatentsonline.com./7635939.html</link>
            <description><![CDATA[According to the present invention, a moving element such as an electrostatically driven actuator is displaced by supplying a drive signal thereto. Meanwhile, a displacement sensing section senses its displacement and a calibrating section automatically calibrates the correlation between the drive signal and the displacement, thereby compensating for a variation in the characteristic of the actuator with time and according to the environment. A switching section selectively connects the single displacement sensing section to a plurality of moving elements one after another, thereby cutting down the circuit for displacement sensing.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Vehicular rotary electric machine]]></title>
            <link>http://www.freepatentsonline.com./7635938.html</link>
            <description><![CDATA[A vehicular rotary electric machine has a stator and a rotor supported by a bracket; a field winding which is provided on the rotor and is for generating a magnetomotive force; a field circuit section which is for supplying a current to the field winding; and a brush holder having a brush, the field circuit section and the brush holder being separately mounted to the bracket. In the vehicular rotary electric machine, connecting means between the field circuit section and the brush holder is configured by an intermediate wiring member having a stress buffering mechanism.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Device for magnetically suspending a rotor]]></title>
            <link>http://www.freepatentsonline.com./7635937.html</link>
            <description><![CDATA[The device for magnetically suspending a rotor relative to a structure comprises at least one axial active magnetic bearing with a main electromagnet coil disposed in a stator and having load-bearing surfaces placed facing an armature extending essentially perpendicularly to the axis of the rotor. A device for detecting the axial position of the rotor is associated with circuits for servo-controlling the current carried by the main electromagnet coil. A compensation coil is disposed close to the main electromagnet coil, but in a position that is situated away from the load-bearing surfaces of the stator that co-operate with the rotor armature. The compensation coil is connected in series with the main electromagnet coil, but carries current in the opposite direction to that carried by said main electromagnet coil. The device constitutes an axial abutment of optimized capacity without magnetic leakage.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Fluid dynamic pressure bearing and spindle motor]]></title>
            <link>http://www.freepatentsonline.com./7635936.html</link>
            <description><![CDATA[A fluid dynamic bearing includes a shaft, a stationary portion supporting the shaft in a rotatable manner, a lubricating oil arranged in a radial gap defined between an outer circumferential surface of the shaft and a surface of the stationary portion, opposing each other. The fluid dynamic bearing includes a first seal portion arranged radially outside of the radial gap, and a second seal portion arranged at an axially upper end of the radial gap. The axial length of the first seal portion is greater than that of the second seal portion.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Motor]]></title>
            <link>http://www.freepatentsonline.com./7635935.html</link>
            <description><![CDATA[A motor may include a bearing made of resin for rotatably supporting one end part of the rotor shaft, and an urging member attached to a bearing holder and abutted with a pressurization face of the bearing to urge the bearing toward a side of the rotor shaft. A molding material injection gate trace (projection) which has been used when the bearing is resin-molded is positioned at a center portion of the pressurization face. The molding material injection gate trace may be positioned in a recessed part which is formed at a roughly center portion of the pressurization face of the bearing. Further, the urging member may include an urging piece which is formed by cutting a center portion of a metal plate in a ring shape and an opening part is formed in the urging piece.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Fan and motor thereof]]></title>
            <link>http://www.freepatentsonline.com./7635934.html</link>
            <description><![CDATA[A fan structure includes a frame, a cover, a stator structure and a base. The cover and the frame are integrally formed as a single piece. The stator structure is disposed in the cover and the base is connected to the cover. Thus, the stator structure is located between the cover and the base.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Resolver, method for manufacturing resolver, and device for mounting conductive wire to resolver]]></title>
            <link>http://www.freepatentsonline.com./7635933.html</link>
            <description><![CDATA[After a winding machine connects a winding wire to a terminal pin, a slackening member is moved in a substantially horizontal direction substantially orthogonal to a direction of a terminal block being extended so as to be located on an orbit of the winding wire. Then, a led part of the winding wire radially between the terminal pin and teeth is extended to the teeth while in contact with a curved surface of a tip of the slackening member. That is, the led part is extended while bent in the substantially horizontal direction. After the winding wire is wound around the respective teeth, the slackening member is moved out of the orbit.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Dynamoelectric machine having heat pipes embedded in stator core]]></title>
            <link>http://www.freepatentsonline.com./7635932.html</link>
            <description><![CDATA[Thermal management of an electric machine is implemented by selecting a stator core configuration in accordance with an intended machine application and determining the minimum heat dissipation necessary to maintain the temperature of the core segment configuration at peak excitation within acceptable limits is determined. A core model is used to ascertain thermal distribution at peak excitation. In accordance therewith, a pattern in the selected core segment configuration is established for placement of at least one heat pipe for removing heat from the core. Preferably, heat pipes are located at high thermal points in the core segment and oriented in alignment with mapped lines of flux. By placing the heat pipe either at the center of the core or at a recessed boundary layer between the core and winding, the heat pipe can capture and conduct excess heat away from the heat generating areas of the core, thus maintaining the core and the excitation windings at desired temperature.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Stepping motor]]></title>
            <link>http://www.freepatentsonline.com./7635931.html</link>
            <description><![CDATA[In a stepping motor including two stators and a rotor having two magnets, three dimensional relations, specifically a relation of Lm/Ls, another relation of d/2Lm, and still another relation d/D, are optimally determined while satisfying their respective ranges: 0.35≦Lm/Ls≦0.45; 0.77≦d/2Lm≦1.10; and d/D≦0.45, where Lm is the axial dimension of the magnet, Ls is the axial dimension of the stator, d is the outer diameter of the magnet, and D is the outer diameter of the stator, whereby a space for accommodating a sufficient number of coil turns is secured maximally in the stator, and the inertia and the cogging torque of the rotor are reduced maximally, which leads to producing the highest possible torque at a high rotation speed range required.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Stage apparatus]]></title>
            <link>http://www.freepatentsonline.com./7635930.html</link>
            <description><![CDATA[At least one exemplary embodiment is directed to a stage apparatus which includes a stage movable in a first direction, a linear motor configured to drive the stage in the first direction, a magnet unit having first magnets disposed on the stage and second magnets disposed at both ends of a stroke of the stage such that the same poles of the first and second magnets face each other, and a supporting member supporting the second magnets. The supporting member is supported movably in the first direction.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Canned linear motor armature and canned linear motor]]></title>
            <link>http://www.freepatentsonline.com./7635929.html</link>
            <description><![CDATA[A canned linear motor armature and a canned linear motor. The canned linear motor armature including a winding accommodating frame formed in the shape of a recess which accommodates an armature winding; a flat plate-shaped connection substrate which connects the armature winding; cans which close airtightly both opening portions of the housing; refrigerant passages formed respectively between the can and the winding accommodating frame and between the can and the connection substrate; and a lead wire which connects the connection substrate and a terminal base, is so constructed that coating with an adhesive resin is provided around a land that is a connection part for connecting the armature winding and the lead wire on the connection substrate so as to include the connection part, and the surroundings of the adhesive resin are filled with a filled resin.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Device for moving a transducer of an ultrasonic probe]]></title>
            <link>http://www.freepatentsonline.com./7635335.html</link>
            <description><![CDATA[The present invention relates to a device for moving a transducer of an ultrasonic probe in an ultrasonic diagnostic apparatus for acquiring a 3-dimensional ultrasound image. A motor for generating power to move the transducer and guide rails for guiding the movement of the transducer are mounted to the frame. The rotational force of a driving shaft of the motor is transmitted to a driven shaft through pulleys and belts. A portion of a wire is wound around the driven shaft and both ends of the wire are fixed to two opposing surfaces of the transducer. A reel having a spiral groove on the peripheral surface is coupled to the driven shaft. The wire is wound along the spiral groove.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Housing for an electric machine with auxiliary ventilation]]></title>
            <link>http://www.freepatentsonline.com./7635256.html</link>
            <description><![CDATA[A fan housing for an electric machine includes a housing body for accommodation of the electric machine having a mounting flange for securement to a motor-driven element. The housing body defines a longitudinal axis and includes a cross-shaped or star-shaped configuration in vertical relationship to the longitudinal axis. Thus, when the electric machine is inserted in the fan housing, the corners of the mounting flange of the electric machine for attachment to the motor-driven element remain clear for easy access to screw fasteners.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
        </item>
        <item>
            <title><![CDATA[Method for manufacturing liquid-cooled stator bars]]></title>
            <link>http://www.freepatentsonline.com./7634852.html</link>
            <description><![CDATA[A method for manufacturing a liquid-cooled stator bar suitable for use in a generator. The method includes providing a stator bar comprising a plurality of conducting strands collectively formed into a desired shape, wherein at least one of the conducting strands is configured to channel a liquid for cooling the stator bar. At least one layer of ground wall insulation is applied to the outer portions of the stator bar, and then at least one layer of a conductive tape is applied to an outer area of the ground wall insulation. The ground wall insulation and the conductive tape are cured.]]></description>
            <pubDate>Tue, 22 Dec 2009 08:00:00 EST</pubDate>
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