Electrical generator or motor structure inventions 10/06

20060238038 - Grooved part of an electric motor: The present invention relates to a grooved part of an electric motor with permanent magnets. The grooved part is made of an interior ring (5) formed by a closing ring (8), teeth (7), and an exterior ring (10). Said closing ring, teeth, and exterior ring (10) are made by sintering,...

20060238039 - Step motor valve assembly with fail-safe feature: A step motor valve assembly comprises a housing including a threaded portion, a rotor having rotational axis and a threaded portion in threaded engagement with the threaded portion of the housing such that rotation of the rotor will effect axial movement of the rotor relative to the housing, a valve...

20060238040 - Rotating electric machine and method and device for positioning rotational position sensor for the machine: The rotating electric machine has a stator coil wound around a stator, a magnetic pole and a signal rotor fixed to a rotor, and a detection stator, disposed opposite to the signal rotor, for detecting the rotational position of the rotor, characterized by further comprising an adjuster for adjusting the...

20060238041 - Alternator provided with improved means for removing electrostatic chargers: The invention relates to a alternator comprising at least one concentration peak (80) of electric charges (90) which is formed on the external face (19) of a case bearing stator and extending in relief in a direction of the part (84) of belt (22) which is disposed in front thereof...

20060238042 - Connection system for electric motors: The present invention relates to a connection piece (4) for an encapsulated stator of an electrical motor. It comprises “n” individual pieces (4′) each with a cable exit (6) and “n−1” cuts (5) between said individual piece (4′), said individual pieces (4′) being joined together by back parts (7). Before...

20060238045 - Motor: A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide....

20060238044 - Slack-forming mechanism for stator coil: A slack-forming mechanism for stator coils that is able to impart slack of appropriate size to the stator coil without imposing an excessively heavy burden on the coiling machine. The slack-forming mechanism includes a coiling machine attachment jig having a protruding member that passes through a clearance formed between a...

20060238043 - Stator arrangement of rotary electric machine: In a stator of a rotary electric machine that includes a stator winding and a stator core having a plurality of slots, the stator winding is constituted of a plurality of series-connected regular U-shaped segments each of which has a pair of in-slot portions and a plurality of U-shaped irregular...

20060238046 - Motor: A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide....

20060238047 - Motor: A sliding hole is formed so that a screw portion can pass therethrough. Also, a seal member is provided at a portion, through which the screw portion placed in the sliding hole can pass and in which a sliding portion does not slide....

20060238048 - Electric actuator and a motor used therein: A motor comprises a rotor fixed to a shaft and a stator comprising a permanent magnet on the inner circumferential surface of a motor casing. The shaft extends from the opening end of the motor casing and has a worm wheel in a gear casing. The end face of the...

20060238049 - Method for mounting an electric motor: In an electric motor having a housing and a rotor for installation in a drive train, the housing includes centering elements which retain the rotor centered in the housing for facilitating mounting of the motor to the drive train, the centering elements being movable out of their centering position during...

20060238051 - Electric actuator: An electric motor comprises a motor case having a motor shaft and a gear case assembled with the motor case detachably. The motor shaft comprises a base end, an intermediate portion, and a remote end which are supported by the first, the second and the third bearing devices, respectively. The...

20060238052 - Fluid dynamic bearing system: The invention relates to a fluid dynamic bearing system particularly for the purpose of rotatably supporting a spindle motor, having a first bearing part that comprises a bearing sleeve, and a second bearing part that comprises a shaft, the two bearing parts being spaced apart from one another by a...

20060238050 - Stepping motor: There is provided a stepping motor including: a stator assembly; a rotary shaft which includes a lead screw portion and a plain portion with a rotor magnet disposed thereon, and which has both ends thereof rotatably supported by respective bearings; and a thrust mechanism which includes a resilient member provided...

20060238053 - Conical bearingless motor/generator: A bearingless motor/generator comprises a rotatable part and a stationary part. The rotatable part is adapted to be rotated about an axis of rotation with respect to the stationary part. The stationary part has one or more windings for producing a drive field and a control field. The drive field...

20060238054 - Magnet retainer clip for permanent magnet electric motors: A clip for a motor stator housing to engage at least a first magnet and at least a second magnet of the motor stator includes a generally annular plate having an outer circumferential edge and an inner side. A plurality of outer tabs are radially arranged on the outer circumferential...

20060238055 - Magnetic motor: Power generating apparatus comprising a permanent magnet motor that embodies movable permanent magnets and fixed electromagnets aligned in a linear fashion to generate a continuous magnetic field. The permanent magnets provide for an energy source whose energy may be harvested. Polarities of the electromagnets are switched by switching circuitry to...

20060238056 - System for securing permanent magnets: The present invention relates to an alternating-current-synchronous-servomotor having a disk-shaped rotor (55, 56) which is located between two stator halves. The rotor comprises an even number of flat permanent magnets pieces (56) having magnet field lines extending parallel to the shaft of the rotor. The permanent magnet pieces (56) form...

20060238057 - Brushless motor and recording disk driving apparatus having the brushless motor: A brushless motor as an example of the invention has a stationary assembly 2 having a first housing member 10 made of a ferromagnetic material and a stator 20 held in the first housing member 10, and a rotor 6 having a rotor magnet 70 facing the stator 20. A...

20060238058 - Armature winding, method for manufacturing armature winding, and slotless motor: A first armature winding and a second armature winding each include a tubular member, a first conductor arranged in a radially inner side of the tubular member, and a second conductor arranged in a radially outer side of the tubular member. The first conductor includes a first coated portion, which...

20060238059 - Synchronous motor: f

20060238060 - Moving material electric control device: A motor comprises a yoke as casing, a shaft extending along a center of the yoke, an annular stator fixed to the yoke and an armature fixed to the shaft to rotate with the shaft inside the stator. The armature comprises a plurality of teeth on the outer circumferential surface....

20060238061 - Electric machine with a damping device: An electric AC machine includes a primary section and a secondary section. The primary section has a region facing the secondary section and a region facing away from the secondary section. The region facing the secondary section has windings adapted to receive an AC current. The winding of the primary...

20060238062 - Electrical generator and method for assemblying rotor assembly of electrical generator: An electrical generator having a stator assembly and a rotor assembly is provided. The rotor assembly has a rotor member, a first collector ring, and first and second rotor coils. The first collector ring is disposed proximate an exterior surface of the rotor member. The first collector ring has first...

20060238063 - Stator assembly made from a molded web of core segments and motor using same: A plurality of stator segments 20 are linked together by a phase change material 22 enabling simplified winding and higher slot fill. Once wound this continuous structure can be formed into a toroidal core 17 for a stator assembly 40 used to make a motor 100. In a preferred embodiment,...

20060238064 - Flat radially interacting electric drive and a method of the manufacturing the same: A flat radially interacting electric drive comprises a flat stator, an axle and a magnetized flat rotor. The flat stator comprises a stator core made of silicon steel and placed within two layers of circuit boards. The circuit boards layers comprise circumferentially arrayed traces that are corresponding unidirectional segments of...

20060238065 - Actuator modules: A lightweight, compact, and flexible organic actuator module that is stably operated in a gas such as air and safely handled has a structure in which an organic actuator and a counter electrode immersed in electrolyte solution together with the gas are stored and sealed in a container provided with...

20060238066 - Electroactive polymer generators: The present invention relates to transducers, their use and fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical and mechanical energy. The present invention also relates to devices including an electroactive polymer to...

20060238067 - Piezoelectric micromachined ultrasonic transducer with air-backed cavities: A piezoelectric micromachined ultrasonic transducer comprising a substrate and a first dielectric film formed on the substrate. An opening having a sidewall is formed through the substrate and first dielectric film. A bottom electrode is formed on the first dielectric film spanning the opening. A piezoelectric element is formed on...

20060238068 - Power driving circuit for controlling a variable load ultrasonic transducer: The present invention is directed to a high-powered (e.g., >500 W) ultrasonic generator for use especially for delivering high-power ultrasonic energy to a varying load including compressible fluids. The generator includes a variable frequency triangular waveform generator coupled with pulse width modulators. The output from the pulse width modulator is...

20060238069 - Piezoelectric composite device, method of manufacturing same, method of controlling same, input-output device, and electronic device: Disclosed herein is a piezoelectric composite device including: a feeding electrode; a common electrode; a signal detecting electrode; a first piezoelectric element joined between the feeding electrode and the common electrode; and a second piezoelectric element joined between the common electrode and the signal detecting electrode; a predetermined voltage being...

20060238070 - Electronic circuit comprising embedded piezoelectric transformer: An electronic circuit provided with a piezoelectric transformer for driving an electronic component. The transformer is integrated in the circuit, a first layer of the circuit having a first primary piezoelectric plate integrated therein, a second layer having a secondary piezoelectric plate integrated therein and connected to the electronic component,...

20060238071 - Motor production line and method of controlling the same: A motor production line for producing a stator includes a press station for forming a stator core by feed therethrough of a long steel plate to punch therefrom a plurality of plates assembled into a stator core, and a stator assembling station for assembling a stator including the stator core....

20060238072 - Ultrasonic motor: With the invention, both a longitudinal vibration mode and a flexural vibration mode are independently detected, or only the longitudinal vibration mode is detected, without using a special device. The invention provides an ultrasonic motor including electromechanical transducers for driving, electromechanical transducers for vibration detection, and an ultrasonic vibrator in...

20060238074 - Driving mechanism: A driving mechanism comprises: (i) an actuator comprising: an electro-mechanical conversion element; and a driving member which moves according to the elongation or contraction of the electro-mechanical conversion element; and (ii) a driven member frictionally engaged with the driving member, wherein the actuator which allows the driven member to move...

20060238075 - Driving mechanism: A driving mechanism comprises: (i) an actuator comprising: an electro-mechanical conversion element; a driving member which is connected to one end of the electro-mechanical conversion element and moves according to elongation or contraction of the electro-mechanical conversion element; and a weight member provided on the other end of the electro-mechanical...

20060238073 - Electrical multilayered component and layer stack: The invention relates to a multilayer electrical component that has a plurality of ceramic layers arranged one on top of the other along a longitudinal axis, with electrode layers arranged therebetween, wherein a ceramic designed breach layer that is less stable than the ceramic layers when exposed to tensile stresses...

20060238076 - Piezoelectric vibrator and its fabricating method, piezoelectric oscillator, electronic apparatus and radio wave timepiece: To provide a method of fabricating a piezoelectric vibrator capable of excellently bonding a lead terminal and a piezoelectric vibrating piece despite being small-sized for ensuring an accuracy of a frequency and various properties and reliability of the piezoelectric vibrator, there is provided a method of fabricating a piezoelectric vibrator...

20060238077 - Method for obtaining biometric data for an individual in a secure transaction: Provided are a method and system for a biometric sensing apparatus. An apparatus includes an input signal generator configured to produce an activation signal. Also includes is a piezoelectric ceramic sensor having a plurality of piezoelectric ceramic elements arrayed and spaced to (i) receive the activation signal (ii) detect one...

20060238078 - Wireless and passive acoustic wave rotation rate sensor: A rotation rate sensing apparatus is configured from an acoustic wave device comprising a plurality of interdigital transducers for the SAW configuration or electrodes for vibration beams configuration. Such sensors are configured upon an elastic substrate. In the SAW configuration, the plurality of interdigital transducers includes a first interdigital transducer,...

20060238079 - Electroactive polymers: The present invention relates to transducers, their use and fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical and mechanical energy. The present invention also relates to devices including an electroactive polymer to...

20060238080 - Piezoelectric oscillator, manufacturing method thereof, and electronic device: To provide a piezoelectric oscillator which can be reduced in size by reducing the planar size. With regard to a layered lead frame comprising two lead frames and, connection leads for connection with a piezoelectric resonator are formed on the upper lead frame and the connection leads are erected upwards...

20060232140 - System and method for controlling a stage assembly: A stage assembly (220) that moves a work piece (200) a movement step (257) includes a first stage (238), a first mover assembly (242), a second stage (240), and a second mover assembly (244). The first mover assembly (242) moves the first stage (238) with a first acceleration profile (366)...

20060232141 - Linear motor actuator: A track rail is formed in a channel-like configuration while having a guide passage for sliders. A table structure that moves within the guide passage includes:a pair of sliders that move forwards and backwards within the guide passage; and a connecting top board connecting those sliders to each other with...

20060232142 - Split coil linear motor for z force: Methods and apparatus for enabling a coil to be used to provide a net force along more than one axis are disclosed. According to one aspect of the present invention, an actuator includes a magnet assembly and a coil assembly. The coil assembly moves at least partially within the magnet...

20060232143 - Over molded stator: Devices and methods are provided for an improved motor stator. One embodiment for a stator includes a stator section having a first surface and a second surface each surface having a groove extending into the stator section and a slot extending longitudinally between the first and second surfaces. Insulated conductive...

20060232144 - Driving device: A low-cost and high-output driving device compact in size and reduced in axial length. In a stepping motor as the driving device, a stator has a plate part, and first and second outer magnetic pole parts axially extend from the plate part. A rotor formed by a rotary shaft and...

20060232147 - Belt drive system with outer rotor motor: An outer rotor motor comprises a tubular shaft for maximum motor cooling effect. Coolant may flow through coolant channels of the shaft and the motor in various configurations to carry away the heat. A thermally conductive component may be inserted into the hollow shaft under the stator section to optimize...

20060232146 - Electric drive system for floor conveyances: An electric, drive system for floor conveyances with one or more vehicle chassis (3; 10, 11) in active connection with one another allowing relative movement and with at least one electric, drive motor and/or an electric, steering motor, with an electric transverter associated with each of these and an electronic,...

20060232145 - System for cooling motors: A system for cooling motors of a lithographic tool. The system includes a core plate having a plurality of outward extending cores. A cover is joined to the core plate or the plurality of outward extending cores, which forms at least one flow path for coolant to remove heat from...

20060232148 - Balancing structure for motor: A motor includes a fixed portion, a rotor, a balancing plate, and at least one sensor mounted on the fixed portion. The fixed portion includes a stator having at least one winding and a plurality of pole faces. The rotor includes an annular magnet facing the pole faces of the...

20060232149 - Balancing structure for motor: A motor includes a fixed portion, a rotor, and a balancing plate. The fixed portion includes a stator having at least one winding and a plurality of pole faces. The rotor includes an annular magnet facing the pole faces of the stator and a shaft rotatably extending through the fixed...

20060232150 - Balancing structure for motor: A motor includes a fixed portion, a rotor, and at least one balancing plate fixed on the fixed portion. The fixed portion includes a stator having a plurality of pole plates that extend to form a plurality of pole faces, with a gap being defined between a pair of the...

20060232151 - Slip ring end housing for a dual rectifier alternator: A Slip Ring End (SRE) housing for a dual rectifier alternator. The SRE housing includes a base with an outer surface and an inner surface. A first rectifier is attached to the outer surface of the base. A second rectifier is attached to the inner surface of the base. A...

20060232152 - Mechanical interfaced system: The present invention provides a mechanical interface apparatus (1) for a motor drive unit (2) in motor vehicles, in particular in a motor vehicle door, which is firmly connected to the drive unit (2) and has holding and guide devices (4, 6) for holding a control or plug unit (3a,...

20060232153 - Rotary electric machine equipped with bearing structure providing enhanced resistance to thrust load: A rotary electric machine which may be used as a starter motor in an engine starter. The rotary electric machine includes a bearing which retains an armature shaft rotatably. The bearing is implemented by a plain bearing made of a sleeve and placed in contact of one of opposed ends...

20060232154 - Pulsed-inertial electric motor: r

20060232155 - Brushless permanent magnet machine with reduced cogging and torque ripple and method of producing the same: An electrical machine including a rotor rotatable about an axis and a stator adapted to magnetically interact with the rotor. The stator including (t) teeth and one or more windings with compact coils disposed around the teeth. The one or more windings having (m) phases and (p) poles, where (t)...

20060232156 - Synchronous machine having a stator with grooves to receive a stator winding, such as a synchronous machine for a wind power installation: A synchronous machine has a stator in which grooves are provided at the inner or outer periphery in mutually spaced relationship to receive a stator winding. The synchronous machine may be in the form of a ring generator used in a wind power installation, for example. In order to provide...

20060232157 - Structure of automotive alternator: An automotive alternator is provided which is designed to have enhanced cooling ability to cool a stator winding. The stator winding is made up of a plurality of U-shaped conductor segments wound through slots in a stator core. Each of the conductor segments is connected at one of ends thereof...

20060232158 - Poly-phase electromagnetic device having an improved conductor winding arrangement: A poly-phase electromagnetic device having n winding phases (n>2) wherein each phase is made from a single conductor strand wound in a lap form configuration. The windings are configured such that on assembly to a slotted magnetically conducive base a maximum of n−1 end turns overlapping is achieved so that...

20060232160 - Armature core, armature, method for manufacturing armature core, and method for manufacturing armature: An armature includes an armature core, a rotary shaft inserted into a shaft fixing hole of the armature core, and coils each wound about one of teeth of the armature core. The teeth extend radially. The armature core includes an inner core having the shaft fixing hole, and an outer...

20060232159 - Stator used for recording disk driving motor, recording disk driving motor, and recording disk driving device: The wire winding height of the first teeth over which the head portion moves is lower than the wire winding height of the second teeth over which is out of the moving range of the head portion. The first wire winding portion is formed so as to be radially longer...

20060232161 - Method of production of electrodes for an electrostatic motor, electrodes for an electrostatic motor, and an electrostatic motor: A method of production of electrodes for an electrostatic motor generating electrostatic force between a facing stator and slider, including forming core electrodes on a board of at least one of the stator and the slider by patterning a conductive substance and depositing a conductive substance on the core electrodes...

20060232162 - Electrically driven mechanical actuators and methods of operating same: An electrically driven actuator (20, 120) comprises a deformable member (22, 122) which deforms as a function of applied voltage. A coupler (30) connects the deformable member to a shaft (40, 140) which, depending on embodiment and mode of operation, may be either displaceable along its axis or stationary. A...

20060232163 - Apparatus and method for detecting a target environmental variable that employs film-bulk acoustic wave resonator oscillators: An apparatus and method for detecting a target environmental variable (TEV). A first film-bulk acoustic resonator (FBAR) oscillator that includes a first FBAR with a first response to the target environmental variable generates a first frequency. A second film-bulk acoustic resonator (FBAR) oscillator that includes a second FBAR with a...

20060232165 - Ultrasonic transmitter-receiver: An ultrasonic transmitting and receiving apparatus includes a casing, a vibration isolating member, and a piezoelectric element. The casing has a bottom, an inner peripheral wall, and an outer peripheral wall, and these components are integral and define a monolithic structure. The inner peripheral wall and the bottom define a...

20060232164 - Ultrasound probe: An ultrasound probe obtained by arranging, on a backing 10, a plurality of transducers each of which comprising a piezoelectric transducer 20, an acoustic lens 40, and an acoustic matching layer provided between the piezoelectric transducer 20 and the acoustic lens 40, the acoustic matching layer containing a fibrous material,...

20060232167 - Piezoelectric diaphragm with aperture(s): A piezoelectric diaphragm member (23) has an aperture (25). Preferably the piezoelectric diaphragm (23) is a multi-layer composite which includes a piezoelectric wafer layer. In some embodiments, the aperture (25) in the piezoelectric diaphragm accommodates a diaphragm accessory or fixture. The diaphragm accessory or fixture is preferably inserted through the...

20060232166 - Stacked piezoelectric diaphragm members: A diaphragm assembly (20) comprises at least two piezoelectric diaphragm members (22) arranged in a stacking direction (23). An interface layer (24) is situated between adjacent piezoelectric diaphragm members (22). The interface layer (24) in the stacking direction (23) is displaceable but incompressible. The interface layer (24) permits lateral movement...

20060232168 - Driving device: A driving device includes an electromechanical transducer that is extended and contracted by application of voltage, and a support member that slidably supports a movable body and that is displaced together with the electromechanical transducer to which the support member is connected, the movable body being driven along the support...

20060232169 - Driving mechanism, photographic mechanism and cellular phone: A driving mechanism comprises: (i) an actuator comprising: an electro-mechanical conversion element; a driving member which is connected to one end of the electro-mechanical conversion element and moves in accordance with elongation or contraction of the electro-mechanical conversion element; and a weight member provided on the other end of the...

20060232170 - Thick film electrode and multilayer ceramic electronic device: A multilayer ceramic device includes an external electrode disposed on a piezoelectric ceramic body including internal electrodes. The external electrode is a sintered body in which an Ag grid is integrally embedded in a coating film primarily composed of Ag. Therefore, it is possible to obtain a multilayer ceramic device...

20060232171 - Piezoelectric diaphragm assembly with conductors on flexible film: A laminated piezoelectric composite comprises a metallic substrate (20); a piezoelectric wafer (32) having a first surface and a second surface; a first adhesive carrier layer (100) between the first surface of the piezoelectric wafer (32) and the substrate (22); a first conductive lead (110) carried by the first adhesive...

20060232173 - Laminated piezoelectric element: A laminated piezoelectric element (1) comprises a laminated piezoelectric element (1) piezoelectric layers (11) composed of a ceramic capable of expanding and contracting upon application of a voltage, and internal electrode layers (21a and 21b) that supply voltage to the piezoelectric layers, the internal electrode layers and piezoelectric layers being...

20060232172 - Laminated-type piezoelectric element: A laminated-type piezoelectric element 1 is provided, which comprises a first external electrode layer 33, which is located at a side area of the laminated-type piezoelectric element 1, is electrically continuous to internal electrode layers 21, and comprises plural expansible and contractible opening portions 33a in a stacking direction of...

20060226714 - Electromagnetic exciter: An electromagnetic exciter includes a magnetic circuit device composed of an outer yoke, a flat magnet arranged within the outer yoke, and an inner yoke mounted on the magnet, and a casing within which the magnetic circuit device is contained. The casing has a flat plate and a cylindrical wall....

20060226713 - Gliding field linear motor: The invention relates to a three-phase linear synchronous motor with an armature having an axial bore through the middle, into which the optical element—for example an optical lens—can be installed. The armature comprises a sliding sleeve inside which an axially polarized permanent magnet with an unobstructed center bore is located....

20060226715 - Skeleton type bldc motor: A rotor of a BLDC motor includes: a rotor divided into a north pole and a south pole on the basis of a magnetic pole separating line; and a stator at which the rotor is disposed with an air gap, the stator having a first pole shoe, a second pole...

20060226716 - Step motor: A step motor includes a rotor having four magnetic poles, a first magnetic pole magnetically excited by a first coil, a second magnetic pole magnetically excited by a second coil, and a third magnetic pole magnetically excited by the first coil and the second coil. A gap between the third...

20060226717 - Fully-enclosed fan-cooled motor: A first minute gap (18) is formed between the front end of a ventilation fan (16) and a first bracket (8) and a second minute gap (21) is formed between the front end of a partition member (19) and a second bracket (11); a first aperture (9a) is provided in...

20060226718 - Closed enclosure electric machine: An AC or DC, internal or external rotation rotary or linear electric machine with magnetic poles; one or a plurality radius or circumambient air chamber and radius or slotted through hole disposed between abutted magnetic poles, and optionally one or a plurality of notch, through hole, or slotted through hole...

20060226719 - Brushless motor: A second bracket part for holding a resolver stator of a resolver as position detecting means is inserted in an opening hole in a first bracket part. An expanded part formed in the second bracket part and the opening hole in the first bracket hole are connected to each other...

20060226720 - Illuminated alternator and method of operation: An illuminated alternator for automotive and other motorized vehicles includes a plurality of illumination devices, such as light emitting diodes, bulbs or lasers. The illumination devices are positioned within the alternator. When the illumination devices are activated, light from the illumination devices is reflected by surfaces of the alternator frame...

20060226721 - Saturation control of electric machine: The invention includes an electric alternator/motor having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits one of which includes a saturable portion in which saturation may be controlled to permit control of...

20060226722 - Hybrid induction motor: A hybrid induction motor comprises a stator fixedly installed in a casing, an induction rotor rotatably inserted into a center of the stator and having a shaft at a center thereof, a first synchronous rotor free-rotatably installed between the stator and the induction rotor in a circumferential direction of the...

20060226723 - Magnet power: This invention creates electrical energy using the forces of powerful magnets attached to a rotary. The rotary is inserted through a box-like structure which is filled with magnets. The magnets on the rotary are placed in the opposite direction to those in the box to create the resistance created when...

20060226724 - Rotor for an electrical machine: A rotor 10 for an electrical machine comprising a rotor body 12, at least one magnet 18 coupled to the rotor body 12 and a retainer 22 for retaining the at least one magnet 18 to the rotor body 12, the retainer 22 comprising at least one elongate fibre in...

20060226725 - Multivariable generator and method of using the same: A generator device for generating electrical energy includes a rotor having a first set of even-numbered of magnetic sources distributed along a first radius of the rotor, and a first pair of stators, each having a first set of odd-numbered coil members distributed along a first radius of the stator,...

20060226726 - Planar electromagnetic induction generators and methods: The present invention generally relates to electromagnetic induction generators for generating AC or DC electric currents (or voltages) through electromagnetic induction in response to user inputs manually applied thereto. More particularly, the present invention relates to planar induction members and/or planar magnetic members for compact electromagnetic induction generators portably applied...

20060226727 - Low noise stator winding having a phase angle shift: A stator for an electric machine includes a generally cylindrically-shaped stator core having a plurality of core teeth that define a plurality of core slots, the core slots extend between first and second ends of the stator core. A stator winding has a plurality of phases, N, each phase including...

20060226728 - Relaying piston multiuse valve-less electromagnetically controlled energy conversion devices: Energy conversion devices employing gases and/or liquids as medium, constructed with a hollow, preferably toroidal cylinder having two ports and two, or more, identical ferromagnetic pistons moveably sealing the hollow cylinder. Movements of the pistons are electromagnetically selectable from the outside of the cylinder to either impart varying unidirectional forces...

20060226729 - Field assemblies and methods of making same with field coils having multiple coils: An electric motor, power tool using the electric motor, and method of making the electric motor includes making a stator to have pole pieces on which field coils are disposed. Each field coil has a plurality of coils where each coil serves a different function in that field coil. In...

20060226730 - Brush assembly for dynamoelectric machines having increased wear life: A brush assembly for dynamoelectric machines includes a curved brush holder, and a curved brush disposed within the curved brush holder, wherein the curved brush further includes a substantially constant radius of curvature along an entire length thereof....

20060226731 - Thermotunneling devices for motorcycle cooling and power: A system for turning waste heat from the engine of a motorcycle into useable electricity through the use of thermotunneling and thermionic devices. The system described also provides cooling for the engine and driver along with pressurized air flow for use in cooling or forced induction. This air flow can...

20060226734 - Actuator: An actuator 100 of the type employing a two-degree-of-freedom vibration system includes: a pair of first mass portions 1, 11; a second mass portion 2 provided between the pair of first mass portions 1, 11; a pair of supporting portions 3, 3 for supporting the pair of first mass portions...

20060226733 - Actuator and method of driving the same: An electrostatic actuator and a method of driving the same are provided. The actuator controls the displacement of a target object by adjusting a voltage between fixed comb electrodes and a moving comb electrode. The actuator includes an actuator control signal generator generating an actuator control signal by pulse-width modulating...

20060226732 - Meso-microelectromechanical system having a glass beam and method for its fabrication: A meso-electromechanical system (900, 1100) includes a substrate (215), a standoff (405, 1160) disposed on a surface of the substrate, a first electrostatic pattern (205, 1105, 1110, 1115, 1120) disposed on the surface of the substrate, and a glass beam (810). The glass beam (810) has a fixed region (820)...

20060226735 - Semiconductor device formed by using mems technique: A semiconductor device includes an elastic member, first and second electrodes, a piezoelectric actuator, and an electrostatic actuator. One end of the elastic member is fixed on a substrate through an anchor so as to form a gap between the elastic member and the substrate. The first and second electrodes...

20060226736 - Acoustic resonator support, acoustic resonator and corresponding integrated circuit: A support 7 for an acoustic resonator 4 includes at least one bilayer assembly having a layer of high acoustic impedance material 11 and a layer of low acoustic impedance material 12 made of material having a low electrical permittivity....

20060226737 - Piezoelectric actuator, timepiece, and portable device: A rectangular vibrating plate 10 in which a piezoelectric element and a reinforcing plate are stacked is supported on a main plate by a support member 11, and is urged toward the rotor 100 by an elastic force of the support member 11. This brings a projection 36 provided on...

20060226738 - High temperature pressure transducer having a shaped ceramic face: A high temperature pressure transducer includes a extended tubular member having a opening from a front to a back surface. The tubular member is preferably fabricated from a metal. At the front end of the tubular member is a ceramic sensor face or tip which basically is a ceramic disk...

20060226739 - Piezoelectric power generator: In order to provide a piezoelectric generating apparatus which ensures by one-time beating an electricity generation of more than dozens of times an output current that a piezoelectric generating apparatus with a conventional steel ball produces, a piezoelectric generating apparatus 1 comprises a piezoelectric ceramic boy 10; a cushion member...

20060226740 - Holding device for holding at least two separate electroacoustic transducers: A holding device (1) for holding at least two separate electroacoustic transducers (3,4) in an apparatus, which holding device has a retaining configuration (2) common to the at least two transducers (3, 4) with separate transducer accommodation spaces (15, 16) for the at least two transducers (3, 4), constructed as...

20060226741 - Piezoelectric gyro element and piezoelectric gyroscope: A piezoelectric gyro element including: a piezoelectric vibration body, which has a shape of a rectangular column with a rectangular section, the piezoelectric vibration body being fixed on one end; first driving electrodes formed on opposing first side faces of the piezoelectric vibration body; second and third driving electrodes formed...

20060220473 - Linear motor and process for manufacturing the same, linear compressor, and stirling engine: A linear motor device includes an inner yoke, an outer yoke, a coil-wound body and a movable magnet portion, first and second clamp rings for clamping the outer yoke, and a spacer for coupling the first and second clamp rings at a given spacing. The movable magnet portion drives a...

20060220474 - Brushless dc motor with molded resin housing: An invention is provided wherein the bearings of a molded motor do not become electro-eroded. An inner rotor type, brushless DC motor 10 is provided having a stator 22 which has a stator core 12 wound with a coil 16, a housing 26 formed by covering the outside surfaces of...

20060220475 - Stepping motor and fan having the same: A stepping motor includes: a stator including a coil that is wound so as to form a hollow space; a rotor including a magnet to be disposed in the hollow space of the coil, the rotor being rotationally driven by changing magnetic poles of the stator; and a magnetic member...

20060220476 - Laminar multi-layer piezoelecric roll component: A multi-layer piezoelectric component includes a plurality of piezoelectric layers, a first inner electrode sheet, a second inner electrode sheet, a first outer electrode, and a second outer electrode. The piezoelectric layers are wound around an axis to form a laminar roll having first and second end faces transverse to...

20060220478 - Positioning system and linear motor: Disclosed is a positioning system and an exposure apparatus having the same, wherein in accordance with an aspect of the present invention the positioning system includes a stage being movable and being configured to carry an object thereon, an interferometer configured to measure a position of the stage, a driving...

20060220477 - Tandem type rotary generator generating two voltages: A tandem type rotary generator has a rotary shaft, and two power generating sections disposed adjacent to each other along an axial direction. Each power generating section has a Lundell type rotor core fixed to the rotary shaft, a field coil wound on the rotor core, a stator core disposed...

20060220479 - Hybrid vehicle driving system: A holding frame is configured to include a substantially annular frame main body made of an electromagnetic shielding material in which a resolver stator is installed, a flange portion on which bolt mounting holes are provided in such a manner as to face to communicate with bolt mounting holes on...

20060220480 - Motor and recording medium drive device: The invention provides a motor that is provided with a fluid dynamic bearing for rotatably supporting a shaft body, by the dynamic pressure of fluid filling a clearance between itself and a shaft body support part. The motor is provided with: a stator having cores and coils; a rotor having...

20060220481 - Attaching structure of resolver, dynamo-electric machine and attaching method of resolver: A resolver stator portion is attached to a resolver stator portion side attaching portion formed at a position facing to a resolver rotor portion via an elastic ring. Thus, it is possible to absorb a dimensional error of the resolver stator portion side attaching portion on the basis of an...

20060220482 - Stepping motor being conveniently assembled and fabrication method of the same: A stepping motor includes a bracket, a housing having a first end coupled to the bracket and a second end having a reduced width compared with the first end, a stator disposed in the housing to form electric field, a first supporting unit formed on a first end of the...

20060220483 - Magnet retention on rotors: Permanent magnets are mounted on a rotor of an electrical motor by an apparatus that keeps an adhesive bonding layer between the magnet and rotor in compression over wide variations in temperature and speed of rotation. The mechanical stresses on the magnets are controlled using compliant layers and spacers. The...

20060220484 - System and method for magnetization of permanent magnet rotors in electrical machines: A system and method for manufacturing an electrical machine is provided. An array of permanent magnet segments is assembled around a rotor spindle. Desired orientation directions of the permanent magnet segments are determined. The assembled permanent magnet segments are then positioned in a magnetization fixture such that the desired orientation...

20060220485 - Motor: A motor includes a stator and a rotor rotated due to the interaction between the rotor and the stator. Since overhangs are protruded only from the circumference of a rotor core of the rotor facing the stator in the axial direction, manufacturing costs for improving performance and core loss of...

20060220487 - Field apparatus for a rotary electric machine and field coil used for the field apparatus: A field apparatus has a tubular yoke and a field coil formed in a tubular shape and disposed on and fixed to an inner surface of the yoke. The field coil has a plurality of coil units disposed in parallel to each other along a circumferential direction of the yoke....

20060220486 - Multi-winding motor: The present invention provides a multi-winding motor of which impedance unbalance between F-phase windings is improved. Two three-phase exciting windings Sa, Sb are wound on each of the magnetic pole sections of divided cores 9. Two kinds of discrete winding wirings A, B are wound together with the same winding...

20060220488 - Rotary electric machine and stator coil for rotary electric machines: In a rotary electric machine, a first group of first and second sets of three-phase windings of a stator coil is disposed in part of substantially circumferentially spaced slots of a stator core, and a second group of third and fourth sets of three-phase windings of the stator coil is...

20060220489 - Armature in rotating electric machine and manufacturing method thereof: In a rotary electric machine, coils to be wound around an armature are wound so as to have a good magnetic balance. In a rotary electric machine formed with four poles, ten slots 6c, and twenty commentator segments 7b, a pair of coils 10 that respectively conduct an electric current...

20060220490 - Electromagnetic actuator and camera blade driving device: An electromagnetic actuator of the present invention includes a rotor that has a cylindrical outer peripheral surface and that is capable of rotating within a predetermined angular range, a magnetizing coil, and a yoke that has an arcuate surface facing the outer peripheral surface, a first magnetic-pole part, and a...

20060220491 - Brushless motor stator, brushless motor having same and coil structure: A brushless motor stator comprising a lamination body in which conductive layers and insulating layers are formed alternately. A plurality of sets of coils of wound conductive patterns are formed on each conductive layer and the coils of the conductive layers adjoined via the insulating layers are connected to each...

20060220492 - Rocker-arm actuator for a segmented mirror: A MEMS device having a movable plate supported on a substrate by a support structure that is hidden under the plate and yet which can be implemented to enable rotation of the plate with respect to the substrate about a rotation axis lying at the plate surface. As a result,...

20060220493 - Method and mechanism of pzt micro-actuator attachment for the hard disk driver arm: A fixture with a shaped molding may hold a first micro-actuator part and a second micro-actuator part in place for coupling while maintaining the structure of the first micro-actuator part. The first micro-actuator part and the second micro-actuator part may be a frame or a strip of piezoelectric material. A...

20060220494 - Elastic boundary wave device, resonator, and ladder-type filter: An elastic boundary wave device includes a first medium that is piezoelectric, electrodes provided on the first medium to excite elastic waves, a dielectric film provided on the electrodes and the first medium, and a second medium provided on the dielectric film. The dielectric film mainly includes silicon oxide and...

20060220495 - Power supply apparatus, and image forming apparatus having the same: In a power supply apparatus including a plurality of power supply circuits, each of the power supply circuits has a piezoelectric transformer, a rectification element which rectifies and smoothes a voltage output from the piezoelectric transformer in accordance with a load and outputs the voltage, a voltage-controlled oscillator which controls...

20060220496 - Vibration wave driving apparatus: This invention provides a vibration wave driving apparatus which makes it possible to reduce the localized abrasion of a contact member, and reduce the deterioration of performance due to long-term driving. This vibration wave driving apparatus has a contact member which is provided with fixed portions fixed to the lengthwise...

20060220497 - Driving device: A piezoelectric element expands and contracts when a pulse voltage is applied. A fixing body is fixed to one end of the piezoelectric element in an expansion-contraction direction. A driving shaft is fixed to the other end of the piezoelectric element in the expansion-contraction direction. A movable body is supported...

20060220498 - Method for determining at least one state parameter of a sealing system and sealing system: The invention relates to a method for determining at least one state parameter of a sealing system (10, 110) comprising at least one sealing element (12, 112) and at least one dielectric element (24, 124) containing dielectric material (26, 126). The invention is characterised in that the real part and/or...

20060220499 - Actuator and micro-electromechanical system device: An actuator includes a movable beam supported on a substrate by a supporting portion, and having a first movable end and a second movable end. The second movable end is opposite to the first movable end with respect to the supporting portion. A first drive beam is connected to the...

20060220500 - Method for manufacturing surface acoustic wave device: A surface acoustic wave device is disclosed, which comprises a surface acoustic wave element including a lithium tantalate piezoelectric substrate 10 with one principal surface thereof formed with an IDT electrode 11, a connector electrode 12 and a periphery sealing electrode 13, and a base substrate 2 formed with an...