Electrical generator or motor structure inventions 08/06

20060192440 - Synchronous motor, particularly for an aquarium pump: In a propeller pump for an aquarium, starting-up of the rotor in the correct direction of rotation is guaranteed through the fact that a unit, which is formed by the propeller and the rotor of the pump, is disposed on a spindle in an axially displaceable and rotatable manner. If...

20060192441 - Stator of reciprocating motor: A stator of a reciprocating motor includes a ring-shaped bobbin including a winding coil 400 therein; a plurality of unit laminated assemblies each constructed of a plurality of lamination sheets and coupled to the bobblin in a circumferential direction; a fixing means integrally formed with the bobbin and for fixing...

20060192442 - Z.e.e (zero emission engine): The concept behind the ZEE (zero emission engine) is rather than using fossil fuel combustion it's using electronic controlled magnets for propulsion. On the first stroke or up stroke it's going to use positive and negative to pull the piston to the top of the stroke when it reaches the...

20060192443 - Claw-pole permanent magnet stepping motor: A claw-pole PM stepping motor includes a module that is formed in such a manner that a first motor assembly and a second motor assembly are symmetrically arranged with respect to a first claw-pole and a second claw-pole each oppositely disposed at a main yoke member internally disposed to substantially...

20060192444 - Corrosion protective coating for extending the lifetime of water cooled stator bar clips: A water-cooled stator bar clip for electrical generators and a method for applying a corrosion-resistant protective coating, preferably Sc, Ti, Cr, Zr, Nb, Mo, Hf, Ta, W, Ni, and Al, and their alloys or oxides to existing stator bar end fittings in order to significantly reduce the possibility of leaks...

20060192445 - Synchronous machine: The present invention concerns a synchronous machine with preferably salient poles with pole windings which are galvanically connected together. The invention further concerns a wind power installation and a method of monitoring a synchronous machine of a wind power installation. The object of the invention is to develop a synchronous...

20060192446 - Automotive alternator having rectifier mounted on heatsink plate with cooling fins: A rotor and a stator are contained in a housing composed of front and rear frames, and a rectifier is mounted on the rear frame and covered with a rear cover having axial and radial openings. A minus heatsink plate having cooling fins extending in the axial direction is disposed...

20060192447 - Apparatus and method for connecting stator phase leads: A terminal assembly for use with a stator for a dynamoelectric machine having a plurality of leads extending therefrom includes a molded body having a plurality of cavities receptive to a respective lead of the plurality of leads; and a plurality of electrically conductive terminals insert molded with the molded...

20060192448 - Electric actuation and process for making the same: In a method for manufacturing an electric drive, an electric motor having a stator, a drive electronics for the winding of the electric motor, and a housing are provided. Before being installed in the housing, the drive electronics and the stator are positioned against each other. Connection points of the...

20060192449 - Motor assembly for vehicle air conditioner: A motor holder or a lower case defines therein a circuit accommodating chamber for accommodating a control circuit device. A side wall of the motor holder or the lower case that defines the circuit accommodating chamber has a vent for ventilating the chamber. A boundary section is formed between the...

20060192451 - Fluid dynamic bearing: A fluid dynamic bearing assembly includes a bearing sleeve (30) having an inner surface and a rotary shaft (30) rotatably received in the bearing sleeve. The rotary shaft has an outer surface. One of the inner surface of the bearing sleeve and the outer surface of the rotary shaft forms...

20060192450 - Heat dissipating fan assembly: A heat dissipating fan assembly includes a frame provided with multiple ventilation holes, a sleeve on top of a bottom face defining the receiving space and having a connection hole and two opposed retainers formed on a top peripheral edge of the sleeve, a bearing, a stator securely mounted around...

20060192452 - Spindle motor: Means for Solution: In a spindle motor having a fluid bearing in which a narrow gap is formed between the surface of a fixed shaft member and a sleeve component (rotating member), and this gap is filled with a lubricating fluid, the shaft member has an annular collar formed so...

20060192453 - Modular transverse flux motor with integrated brake: An elevator machine (12) has a plurality of identical transverse flux rotor/stator modules (28-30) of a generally cylindrical configuration arranged contiguously on a common shaft (21) to provide torque to the shaft equal to the torque capability of the modules times the number of modules. A disc brake (49) is...

20060192454 - Motor: A rotor is operable to rotate in a rotating direction, and is provided with five teeth that define five slots therebetween at regular intervals in the rotating direction. A pair of arc-shaped magnets surrounds the rotor, and faces each other through the rotor. A value of a circumferential angle between...

20060192455 - Threaded inner sleeve for generator magnet: An inner sleeve, having threads on each end, is formed on a motor or generator rotor. A pair of stub shafts are threadably attached to the inner sleeve at each end and a magnet is placed in between. The stub shafts are turned on the inner sleeve to bring them...

20060192456 - Permanent-magnet rotating machine: A permanent-magnet rotating machine includes a rotor having a rotor core carrying on a curved outer surface multiple permanent magnets arranged in two rows along an axial direction. The permanent magnets in one row are skewed from those in the other row in a circumferential direction by a row-to-row skew...

20060192457 - Electric rotating machine: An electric rotating machine comprises: a stator in which a coil is wound on a plurality of teeth in concentrated winding, and the coil is connected to a three-phase power supply; and a rotor disposed in opposition to the teeth of the stator; wherein a ratio between the number of...

20060192458 - Piezoelectric ultrasonic motor driver: The present invention provides a piezoelectric ultrasonic motor driver which can perform self-oscillation, adjust the rotational direction of the motor, and be easy to manufacture. The motor includes a metal body having a desired shape; a plurality of piezoelectric plates attached to surfaces of the metal body, contracted and expanded...

20060192459 - Rotary resonance type motor: Disclosed herein is a rotary resonance type motor. The rotary resonance type motor comprises a swing rotor swung by electromagnetic force caused by interaction with a stator, and a resonant mechanism resonating with the swing rotor so as to allow the swing rotor to be swung, and a circulation rotor...

20060192460 - Piezoelectric vibrating element and piezoelectric vibrator: A piezoelectric vibrating element that includes: a main vibrating unit vibrating in a constant direction, an exciting electrode being formed on a top face and a bottom face of the main vibrating unit; an open end formed on at least one of a plurality of ends provided in a vibrating...

20060192462 - Piezoelectirc device: A piezoelectric device includes an element substrate having a piezoelectric element and an electrically conductive pattern connected to the piezoelectric element, a supporting layer arranged within the periphery of the piezoelectric element, a cover extending so as to provide a groove inside the external periphery of the element substrate, the...

20060192461 - Protective housing for a ceramic actuator: A housing that protects a ceramic actuator from excessive and damaging displacement comprises a protective structure arranged to limit the motion of the actuator by contacting at least one section of said actuator between fixed and moving terminals of said actuator. A suspension system for a lens holder of a...

20060192464 - Piezoelectric vibrating element and piezoelectric vibrator: A piezoelectric vibrating element includes a main vibration section vibrating in a constant direction, an open edge formed at least at one edge among edges provided m a vibration direction of the main vibration section, an outer frame section formed so as to surround the main vibration section, and a...

20060192463 - Resonator: A resonator which is capable of modulating frequencies has a main body having a vibrating body and an elastic supporting body supporting the vibrating body and a frequency modulating unit having a movable contacting part that is movable between a first position away from the elastic supporting body and a...

20060192465 - Mechanical meta-materials: The present invention provides meta-materials with an actively controllable mechanical property. The meta-material includes a deformable structure and a set of activation elements. The activation elements are controllable between multiple states. The meta-material includes a first value for a mechanical property when one or more of the activation elements is...

20060186741 - Sliding system with onboard linear motor: A sliding system has an X-table and a Z-table, which are actuated by linear motors, respectively. The Z-table is arranged on the X-table at the same side of the X-table as a bed is laid. A linear motor is placed between the bed and the X-table while another linear motor...

20060186742 - Actuator, light quantity adjusting apparatus, and stepping motor: An actuator maintains high efficiency, can react to an increase in pole, has a high part fit, and can be manufactured at low cost while it is thinned. The actuator includes a magnet which is formed in a ring shape, in which at least one surface perpendicular to a central...

20060186743 - Electrical power tool: An electric power tool has a housing having an inlet opening and an outlet opening, a drive motor contained in the housing, an electronic unit for controlling and regulating the drive unit, a fan a main air conduit extending between the inlet opening and the outlet opening of the housing,...

20060186744 - Spindle motor and stator structure thereof: A spindle motor includes a stator structure and a rotor structure coupled to the stator structure. The stator structure has a stator base, a magnetic conductive structure surrounding the stator base, and a first buffer structure provided in the gap defined by the stator base and the magnetic conductive structure...

20060186745 - Cooling plate for alternator rectifier: A diode plate for an electric machine includes a body having a thickness and defining a central axis thereof. A plurality of cooling plates having a uniform thickness of 1 millimeter or less over the entire surface area of the cooling plates are mounted onto the body of the diode...

20060186746 - Motor and electric apparatus equipped with same: A motor comprises a stator having a stator core and a stator winding wound on the stator core and integrally molded with insulation resin, a rotor provided with a shaft, a first bearing and a second bearing for supporting the shaft, a bracket connected to the stator and retaining at...

20060186747 - Protective cover which is intended to be mounted on the rear bearing of a rotating electrical machine, alternator and alternator-starter comprising one such cover: The invention relates to a protective cover which is intended to be mounted on the rear bearing (14) of a polyphased rotating electrical machine, such as an alternator or an alternator-starter for a motor vehicle. The inventive cover is of the type that consists of: an outer frame comprising a...

20060186748 - Motor case: In a motor case 1, recesses 8 are formed in inner surfaces of upper and bottom surface portions 2 and 3 (which are spaced from each other by a distance smaller than the distance between left and right side surface portions 4 and 5), thus reducing the thickness of these...

20060186749 - Motor: A motor includes a stator and a rotor in the form of a disc which is connected to an axis about which it is able to rotate. The rotor has a plurality of permanent magnets connected around the outer perimeter of the disc which are of alternating polarities. A plurality...

20060186750 - Spindle device: A built-in motor type spindle device comprising a housing and a spindle, wherein said spindle device further includes static pressure bearings which support the spindle so that the spindle can rotate freely relatively to the housing, two lines of magnetic field generating members which are provided on the spindle, and...

20060186751 - Permanent magnet array and magnet holder for flywheel motor/generator: The invention involves a flywheel motor/generator having a holder to maintain the permanent magnets in a circular array on the rotor. Unique aspects of the invention include the magnet shapes that are used, the liner/retainer configuration used to secure the magnets, and the construction of the rotor in the immediate...

20060186752 - Rotor and method of manufacturing the same: A rotor includes a rotor core fixedly provided on a shaft and having a hole, a magnet inserted into the hole, and a resin portion injected between the side surface of the hole and the side surface of the magnet and, the side surface of the magnet has a groove...

20060186753 - Stator and electric motor having the same: The present invention provides a stator including a core having a plurality of core plates piled on one another, and a plurality of teeth formed in a regular interval on the circumference of the core. The stator also has a plurality of protuberant parts bent upward from outside to inside...

20060186754 - Rotating electrical machine: Provided is a rotating electrical machine including an armature core on which an armature winding is wound; a rotor core which is supported by a rotation axis at a predetermined air gap in an inner diameter side of the armature core, and includes claw-shaped magnetic pole portions in which adjacent...

20060186755 - Surface-acoustic-wave-device mount substrate, high-frequency module using the same, and communication apparatus: A high-frequency module is constituted by mounting a surface-acoustic-wave device on an insulating substrate constituting a surface-acoustic-wave-device mount substrate in which insulating substrate a plurality of insulating layers are laminated. A ring-shaped ground electrode of the insulating substrate is electrically connected to a predetermined conductor pattern formed on a back...

20060186757 - Distributed vibration analysis and suppression system with collocated control electronics: A vibration suppression system is provided. The system comprises an integrated master vibration actuating device configured for generating vibration suppression control signals, inducing vibrations into a structure in response to the control signals, and transmitting the control signals. The system further comprises one or more integrated slave vibration actuating devices...

20060186758 - Driving device and driving method: A driving device of the invention has an electromechanical transducer that extends and contracts upon application of voltage thereto, a support member that slidably supports a movable body and is displaced with the electromechanical transducer to which the support member is connected, and a drive circuit that applies the voltage...

20060186756 - Techniques for adjusting for actuator non-linearities in a data storage system: The invention provides techniques for adjusting for actuator non-linearities in a data storage system. The invention is particularly useful for piezoelectric actuators, such as actuators that implement a bimorph piezoelectric crystal structure or a laminate piezoelectric crystal structure, although other actuators may present similar non-linearity issues. In one embodiment, the...

20060186759 - Silicon film bulk acoustic wave device and process of the same: The present invention relates to a film bulk acoustic wave device and a method of manufacturing the same, wherein comprising an acoustic reflective layer which is formed on a substrate by removing a sacrificial layer on the substrate and becomes an empty space; an oxidation protective film or etch protecting...

20060186760 - Ultrasonic driving apparatus: The invention provides an ultrasonic driving apparatus in which an oscillator contained therein is pressed against a driven member and can be positioned with a high degree of precision. The invention includes an oscillator for generating vibrations when supplied with electrical power; a holding member fixed to the oscillator; an...

20060186761 - Idt electroded piezoelectric diaphragms: The disclosed invention relates to achieving micromachined piezoelectrically-actuated diaphragms. The piezoelectric diaphragm includes a central, inactive electrode free region and an annular shaped interdigitated electrode adjacent to the outer periphery of the central region. The diaphragm also may have an inactive annular, electrode free region and an active central, interdigitated...

20060186762 - Ultrasonic element: An ultrasonic element has a membrane formed as a thin walled portion of a substrate, on which a piezoelectric vibrator is formed. The piezoelectric vibrator comprises a piezoelectric thin film and metal electrode films, which are formed into a sandwiched structure. The piezoelectric vibrator resonates with the membrane at a...

20060186763 - Piezoelectric transducer including a plurality of piezoelectric members: A piezoelectric transducer for an ultrasonic scan is provided. The transducer includes a plurality of piezoelectric members arrayed. The plurality of piezoelectric members have different compositions parts in a slice direction so that an ultrasonic beam is focused in the slice direction....

20060186764 - Piezoelectric transducer including a plurality of piezoelectric members: A piezoelectric transducer for an ultrasonic scan is provided. The transducer includes a plurality of piezoelectric members arrayed. The plurality of piezoelectric members have different compositions parts in a slice direction so that an ultrasonic beam is focused in the slice direction....

20060186765 - Ultrasonic probe: An ultrasonic probe includes a plurality of transducers arranged in XY directions, a plurality of backing members stacked along the X or Y direction, in back of the transducers, and a plurality of heat conductive sheets sandwiched between the plurality of backing members and higher in heat conductivity than the...

20060186766 - Piezoelectric actuator, droplet ejection apparatus, and manufacturing method thereof: The piezoelectric actuator comprises: a plate-shaped piezoelectric body which has a portion polarized in a thickness direction of the piezoelectric body and a portion polarized in a direction oblique to the thickness direction; and a pair of electrodes which are disposed on opposite surfaces of the piezoelectric body facing each...

20060186767 - Piezoelectric actuator: A piezoelectric actuator for use in a fuel injector, the actuator comprising a stack of one or more piezoelectric elements for receipt within an accumulator chamber of the injector, distribution electrode means for generating an electric field within the stack and an electrical connector arrangement including a body member defining...

20060186768 - Piezoelectric vibrator: In order to provide a tuning fork type piezoelectric vibrator provided with vibrating arms which can improve shock resistance while suppressing a CI value to a small value, a first groove (base end side) and a second groove (tip side) extending along the longitudinal direction from the base end of...

20060181158 - Cylindrical linear motor, electromagnetic suspension, and vehicle using the same: A cylindrical linear motor, an electromagnetic suspension, and a vehicle using the same, which can generate a large thrust and reduce torque pulsations and cogging torque. The cylindrical linear motor comprises a stator and a slider disposed with a gap left relative to the stator and being linearly movable relative...

20060181157 - Linear electrodynamic system and method: An exemplary description provided for patent searches includes a linear electrodynamic system for conversion of mechanical motion into electrical power or conversion of electrical power into mechanical motion involving advantageous use of magnetic material positioned on a mover. Bore surfaces of the magnetic material is shape complementary to bore surfaces...

20060181161 - Actuator device: The actuator device includes: a case having a motor housing unit and a gear housing unit; a motor housed in the motor housing unit; and an output gear rotatably housed in the gear housing unit of the case, the output gear driven to rotate by the driving shaft of the...

20060181160 - 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 at least one pole plate that extends to form a plurality of pole faces, with a gap being defined between a pair of the...

20060181159 - Machine tool and arrangement for the throughflow collant: m

20060181162 - Device for cooling that power electronics integrated at the rear of an alternator or an alterno-starter: The invention concerns a rotating electrical machine, in particular an alternator or an alterno-starter for a motor vehicle, comprising: a rotor (1) centered and fixed on a rotating shaft (2) supported by at least one rear bearing (4), the rear bearing (4) including radial cooling fluid outlets (4a, 4d); a...

20060181163 - Rotor device capable of forcing heat dissipation: A rotor device capable of forcing heat dissipation includes a hub and an inner casing. The hub provides a closed end with at least a through hole radially disposed thereon and a projection extending therefrom along the circumference of the through hole. The inner casing is disposed in the hub....

20060181164 - Motpor device capable of reducing cogging torque: A motor device capable of reducing cogging torque includes a stator assembly and a rotor assembly, which is movably disposed in the stator assembly. The rotor assembly provides a magnetic component. The stator assembly further includes an insulation frame with a plurality of circular members, a set of silicone steel...

20060181165 - Electrical machine with a rotor and stator: An electric machine with a rotor and a stator, especially an electric motor or a generator, preferably for a power plant, wherein the stator has a winding with several winding bars which, in the area of an axial core face, are each connected via a phase connector bar to a...

20060181166 - Electric motor unit with controller: An object of the present invention is to provide an electric motor unit with a controller of a machinery and electricity integration type for eliminating variations due to mechanical factors and obtaining excellent operation reliability. A magnet member is attached to a gear on the side of a gear case,...

20060181167 - Method and apparatus for attachment of a cover for a dynamoelectric machine: A cover assembly for one end of a rotating electrical machine includes a one-piece cover formed of plastic material attached to an end frame supporting at least one electrical component to protect said electrical component from external damage, the cover has an end wall and an axially extending side wall,...

20060181169 - Magnetic disk drive with improved vibration characteristics: Embodiments of the invention provide a magnetic disk drive having improved vibration characteristics and a reduced size. In one embodiment, a magnetic disk drive comprises: a motor shaft for rotating a magnetic disk; a sleeve for rotatably supporting the motor shaft; and a motor hub into which the motor shaft...

20060181168 - Pump motor with bearing preload: A electrical machine includes a housing assembly, first and second bearings mounted in the housing assembly, and a rotor assembly mounted in the bearings such that it has a predetermined amount of axial and radial play relative to the housing. A biasing element is disposed between one of the rotor...

20060181170 - Energy transfer apparatus: A motor and a generator both comprising a rotor and a stator, wherein said rotor and said stator of both said motor and said generator can rotate about a common axis, and wherein both said stators are coupled, and both said rotors are coupled, for one to induce rotation to...

20060181171 - Rotary actuator: A rotary actuator has a stator having plural permanent magnets 1a and 1b; a rotor having a rotor core 3 which plural salient poles 3a and 3b are formed at, and one or more rotor coils 5 are wound around; an electromagnetic torque generating portion A comprising the stator and...

20060181172 - Rotary electrical machine and electric vehicle having the same: A rotary electrical machine includes a rotational shaft supported by a housing for rotation about an axis, a rotor coupled with the rotational shaft, and a stator fixed to the housing and oriented to face the rotor. A rotor position changing mechanism moves the rotor in an axial direction of...

20060181173 - Motor, compressor, and air conditioner: The invention provides a motor comprising a stator and a rotor. The stator core includes a laminated stator core made of laminated stator core plates in which straight cut surfaces are formed on a circular outer peripheral surface of the laminated stator core plates. The straight cut surfaces of the...

20060181174 - Anti-loose device for a motor: An anti-loose device for a motor includes a hollow shaft and a motor set. The hollow shaft seat, being provided with a recess and the motor set has an insulation frame, a silicone sheet and a locating member disposed between the insulation frame and the recess. The locating member has...

20060181175 - Method and apparatus for coil-less magnetoelectric magnetic flux switching for permanent magnets: Methods and apparatus that employ a coil-less magnetoelectric flux switch arrangement to repeatedly switch magnetic flux from at least one permanent magnet for the purposes of generating motive force and/or electrical energy....

20060181176 - Method and apparatus for an ambient energy battery recharge system: The present invention relates to the field of battery and capacitor charging. In particular, the present invention provides pulsed current charging using changes, regardless of polarity, in the local energy environment to obtain power. The present invention relates, for example, to ambient energy charging thin film batteries, other batteries, or...

20060181177 - Vibrator array, manufacturing method thereof, and ultrasonic probe: In an ultrasonic transducer array, a plurality of vibrators arranged in an array is bonded to a base plate by bond material. The bond material bonds the bottom of the each vibrator to the base plate in a manner to surround lower part of the side face of the vibrator....

20060181178 - Piezoelectric component with predetermined breaking point and method for manufacturing and using the component: A piezoelectric component (1) has at least one monolithic piezo element (10) having an electrode layer (101), at least one further electrode layer (102), at least one piezoceramic layer (103) disposed between the electrode layers and at least one predetermined breaking point (100) which, in the event of mechanical overload...

20060181179 - High performance piezoelectric actuator: A high performance piezoelectric actuator. The actuator includes a piezoelectric material exhibiting a selectively tapered width sufficient to enhance actuator fracture load capabilities. A passive material is disposed on or integrated with the piezoelectric material. A drive system is connected to the piezoelectric material. The drive system is capable of...

20060175906 - Method for assembling semiconductor switching elements and heat sink in rotary electric machine and rotary electric machine: A method for assembling semiconductor switching elements and a heat sink in a rotary electric machine includes: a first step in which bare chips of the semiconductor switching elements are bonded to the heat sink using a good heat conductive bonding material; a second step which connects the bare chips...

20060175907 - Coreless linear motor: There is provided a coreless linear motor in which a slider (10) is made up of an armature winding (11) which comprises a plurality of coils (13) and a slider mounting table (12) which supports the armature winding (11), and a stator (1) is made up of permanent magnets (2)...

20060175909 - Electric appliances having electric motors for driving oscillatory elements: an electric appliance includes an electric motor having a first oscillatory element, a second oscillatory element and an electric coil configured to generate a magnetic field to drive the first and second oscillatory elements. The electric appliance also includes a movable component and a first spring element connecting the movable...

20060175908 - Mover for linear oscillatory actuator: The present invention relates to a mover for a linear oscillatory actuator to be linearly reciprocated, which is easy to assemble and manufacture and has improved durability. In a mover according to the present invention, permanent magnets and cores which have corresponding shapes are alternately arranged with each other, and...

20060175910 - Positioning apparatus: A positioning apparatus includes a moving member, an actuator, and a controller. The moving member can move in at least a first direction. The actuator is provided along the first direction. The controller controls a current applied to the actuator in order to support the weight of the moving member....

20060175911 - Solenoid apparatus and injection valve using the same: A solenoid apparatus includes a fixed core, a coil, and a movable core. The coil generates magnetic attractive force when the coil is supplied with electricity. The movable core is attracted to the fixed core by the magnetic attractive force generated between the fixed core and the movable core when...

20060175912 - Magnetostrictive actuator: A magnetostrictive actuator includes: a driving unit composed of generally plate-like positive and negative magnetostrictive elements laminated in a direction of thickness, being arranged generally in parallel with a drive surface of a driven member; a driving coil for applying a magnetic field to the driving unit longitudinally, being arranged...

20060175913 - Power tools with switched reluctance motor: A method of assembling a power tool, a power tool, a method of assembling an electrical device, and an electrical device includes a switched reluctance motor. The electrical device is preferably a hand-held power tool, however, any type of electrical device that includes a switched reluctance motor may benefit from...

20060175914 - Terminal cover, sealed type electromotive compressor provided with the terminal cover, and refrigerant cycle device in which the sealed type electromotive compressor constitutes refrigerant circuit: An object is to provide a terminal cover which can be easily attached to a cluster while securely holding the cluster and which can protect lead wires extending from the cluster, a sealed type electromotive compressor whose terminal is covered with the terminal cover, and a refrigerant cycle device whose...

20060175915 - Electric hand tool: An electric hand tool having a machine housing, with an electric motor accommodated in the machine housing for driving a tool, and a fan wheel accommodated in the machine housing for generating a main cooling air current that flows from a main air inlet to a main air outlet through...

20060175916 - Emi suppression in permanent magnet dc motors having pcb outside motor in connector and overmolded: A permanent magnet DC motor 10 having electro-magnetic interference (EMI) suppression includes a metal motor housing 12 and a brush card assembly 34. The brush card assembly includes brushes 20 and leads 24 constructed and arranged to be coupled with a source of power to power the motor. A brush...

20060175917 - Motor having a highly reliable grounding construction and electric device having this motor mounted thereon: This motor has a stator formed by integrally molding a stator core, a stator winding wound around the stator core and a grounding terminal mounted on the stator winding by insulating resin. The motor has a rotor provided with a shaft, a bracket mounting a bearing for supporting the shaft,...

20060175918 - Combined high power oil filled submersible motor and its protector: The present utility model relates to submersible motor and its protector. A shared assembling base is provided to support and fix the end of housing of submersible motor and protector The end of the assembling base connecting with the protector has a thrust bearing to support the motor shaft and...

20060175919 - Method for mounting a drive shaft of a compressor: The invention concerns a method for mounting a drive shaft (19) of a compressor, particularly a hermetical refrigerant compressor, which has a motor with a stator (1) and a rotor (23), connected with the drive shaft (19) and located in a rotor opening (4) of the stator (1), a first...

20060175920 - Magnetic bearing spindle: A magnetic bearing spindle includes a radial magnetic bearing rotor fabricated by laminating a ring-like plate made of electromagnetic steel sheet, an axial magnetic bearing rotor made of magnetic material, and a main shaft motor rotor. A rotation shaft is fit rotatably in these rotors and a plurality of electromagnets...

20060175921 - Spindle motor with arrangement capable of inhibiting half-omega whirl induced during operation: A spindle motor, especially for an optical disc drive, includes a bearing system, a shaft and a magnetic apparatus. The bearing system thereon a radial orientation is defined. The shaft is rotatably inserted into the bearing system and rotates relative to the bearing system during operation of the spindle motor....

20060175922 - Brushless motor: A hole piercing a bracket and another hole piercing a circuit board are formed at places between adjacent two salient poles among a plurality of salient poles of a stator core and the places correspond to tips of the two salient poles. A relative position between a hall element mounted...

20060175923 - Rotary electric machine comprising a stator and two rotors: The invention relates to an electric machine comprising a stator (10, 40) provided with a plurality of teeth (11, 41), each tooth supporting at lest one individual coil (13, 46, 47), an external rotor (30) which is radially arranged outside the stator and provided with constant magnets, an internal rotor...

20060175924 - Induction motor having reverse-rotation preventing function: An induction motor having a reverse-rotation preventing function, comprises: a stator provided with a winding coil generating flux by a current; an induction rotor provided with a cage and rotatably inserted in the stator, wherein a rotary shaft is coupled to its inside; a synchronous rotor provided with a permanent...

20060175925 - Motor assembly with a sealed commutator/brush interface: A motor assembly includes a commutator having a shaft extending axially therefrom, a commutator end bracket assembly, and at least two brushes carried by the commutator end bracket assembly and in contact with the commutator. A seal is carried by either the commutator or the commutator end bracket assembly and...

20060175926 - Stator of an electric motor: The invention relates to a stator of an electric motor, comprising a laminated stator core (1) which is provided with electrical insulation (8) composed of plastic, and a stator bushing (3) which can be pressed into a central axial opening (2) in the laminated stator core (1), forms a bearing...

20060175927 - Claw-pole electric generator and bicycle electric generator hub: A claw-pole electric generator has a circumferentially arranged permanent magnet, a ring-shaped coil, a yoke and a cover member. The yoke surrounds an external periphery of the coil. The yoke has a stator yoke portion and a core yoke portion. The stator yoke portion is disposed between the coil and...

20060175928 - Boundary acoustic wave device: A boundary acoustic wave device includes a LiNbO3 substrate defining a first medium layer having a relatively high sound velocity and a SiO2 film defining a second medium layer having a relatively low sound velocity, an electroacoustic transducer and reflectors disposed between the first medium layer and the second medium...

20060175929 - Piezoelectric vibrator, method for adjusting piezoelectric vibrator, piezoelectric actuator, timepiece, and electronic device: In a vibrator 70, adjustment electrodes 72 are formed in advance on part of an electrode 60, and drive electrode 61 and adjustment electrodes 72 that have initially been made conductive relative to each other are electrically cut off and insulated from each other by cutting conductive parts 73, or...

20060175930 - Multilayer piezoelectric motor: A method for accelerating or decelerating a moveable body which body is moved by urging a piezoelectric micromotor to the body in a first direction so that a contact region of the piezoelectric motor is pressed to the body and exciting vibrations in the piezoelectric micromotor at the contact region...

20060175931 - Method and apparatus for a high output sensor system: The present invention relates to the field of motion/movement sensors, detectors, and/or monitors, as well as other types of sensors. In particular, the present invention may provide, for example, a large pulsed output voltage in response to very low (or slow) sensed movement or environment changes, such as, temperature, pressure,...

20060175932 - Electromechanical drive element: In manufacturing electromechanical drive elements, vibration properties are defined in a test environment. These properties are found to give a good operation when being arranged in a motor. Two flexural vibration modes are defined. One is an s-mode connected to an element being strapped at two supports at respective outer...

20060175933 - Diaphragm structure: There is disclosed a diaphragm structure 1 in which defects such as minute cracks are not easily generated in a thin portion even in the case where the structure is heated and loaded in order to elminate a warpage, a distortion or the like and which is suitable as a...

20060175936 - Method of damping actuator and actuator: An actuator includes a piezoelectric element, and a displacement enlargement mechanism which has a movable portion configured to be displaced as the piezoelectric element is displaced and enlarges an amount of displacement of the piezoelectric element. A restraint member is fixed to the movable portion with an elastic or viscoelastic...

20060175934 - Piezoelectric device with amplifying mechanism: A piezoelectric device is provided that comprises a mechanical amplifier adapted to produce a displacement output and/or receive a force input, and first and second flexible platforms connected to the mechanical amplifier. The first flexible platform is connected to one side of the mechanical amplifier and piezoelectric material is mounted...

20060175935 - Transducer assembly for megasonic processing of an article: A transducer assembly used for the megasonic processing of an article. In one aspect, the transducer assembly comprises: a vibration transmitter having a rear portion adapted to be supported adjacent to an article to be processed and having an elongated forward portion adapted to extend close to a surface of...

20060175937 - Strain energy shuttle apparatus and method for vibration energy harvesting: An apparatus for use in low frequency vibration energy harvesting (VEH) and with actuators requiring a low deflection force. The apparatus includes a piezo flexure that is loaded with a compressive pre-load force to place the piezo flexure under compression. The piezo flexure may be supported at an intermediate point...

20060175938 - Piezoelectric device and electronic apparatus: A piezoelectric device includes: packages, each of which having therein a piezoelectric element having a predetermined direction of detection, wherein the packages are connected to each other so that the directions of detection of the piezoelectric elements intersect each other....

20060175939 - Piezoelectric device and method of producing the same: A piezoelectric element plate is rectangular as seen from above. Its upper surface is formed to be flat, while it lower surface has a beveling arc applied thereto. The piezoelectric plate is mounted on a package by adsorbing one longitudinal end of its upper surface (flat surface) by an adsorbing...

20060170292 - Stator of reciprocating motor and fabrication method thereof: Disclosed is a stator of reciprocating motor comprising: a stator including two lamination assemblies formed accordingly as a plurality of lamination sheets are stacked as a cylindrical shape or a circular are shape; and a mover inserted into an air gap between said two lamination assemblies and linearly reciprocating. In...

20060170293 - Apparatus for converting side-to-side driving motion to rotational motion with a spring assembly and system for tuning the spring assembly: The apparatus for converting side-to-side to rotational motion for a workpiece includes a spring assembly with a movable base mounting element which is driven in a slightly arcuate reciprocal side-to-side motion and a fixed mounting element spaced apart from the base element and mounted in the appliance so that it...

20060170294 - Heat dissipation structure of a motor: A motor is disclosed to have a plurality of wind holes formed in the transverse top wall and peripheral wall of the hollow cylindrical body of the rotor thereof, dividing the transverse top wall into a plurality of equiangularly spaced and radially extended fan blade portions and the upper part...

20060170295 - Alternator sub-component construction built inside existing automotive generator housing: An alternator sub-component construction is built inside an original antique generator housing or a replica housing, thereby having the appearance of an original generator but functioning with modern and improved alternator capabilities....

20060170296 - Miniature motor: A miniature motor 1 includes: a motor case 2; a gear case 5 connected to the motor case 2, for pivotally supporting an output shaft 15; a brush holder 30, 30′ for holding a brush 17 and attached to the gear case 5; and a brush holder attaching portion 7,...

20060170298 - Liquid spray shield for liquid-cooled alternators: A spray shield for a bearing assembly of an electrical machine includes a shield disposed intermediate an outermost bearing and rubber seal lip of a seal. The shield has an aperture allowing a rotor shaft to extend therethrough. The seal is configured to at least one of reduce hydraulic pressure...

20060170299 - Method and apparatus for contamination protection for bearing assembly: A bearing assembly includes a bearing housing; a rotatable shaft extending through the bearing housing; a bearing having an outer race and an inner race with a bearing seal therebetween, the outer race operably coupled to the bearing housing and the inner race operably coupled to the rotatable shaft; and...

20060170300 - Motor: One preferred embodiment of the present invention provides a motor composed at least of a stator, a rotor, and a dynamic pressure bearing having a thrust dynamic pressure bearing portion and a radial dynamic pressure bearing portion to support the rotor rotatably in relation to the stator, comprising lubrication fluid...

20060170297 - Motor using dynamic gas bearings: A dynamic pressure gas bearing motor in which a radial dynamic pressure gas bearing and a thrust dynamic pressure gas bearing are ensured to have sufficient length and diameter even though the clamping screw holes for introducing screws to reliably hold a disk are formed in the top wall of...

20060170301 - Rotor and process for manufacturing the same: A rotor comprising bonded magnet portions mainly composed of magnet powder and a binder, which are embedded in a soft magnetic portion mainly composed of soft magnetic powder and a binder, the rotor being produced by a compression-molding method, and the magnetic pole surfaces of the bonded magnet portions being...

20060170302 - Electromagnetically driven rotary motor: Electric energy from a battery is employed to shift the permanent magnetic field located in a generator. A spring housing is located distal from the generator. An outer magnet housing enclosing an inner rotating magnetic housing is positioned between the generator and the spring housing. A shaft is integral with...

20060170303 - Stator with a rotary current winding, brushless direct current machine having a stator, shaped part for winding guidance for a stator with a rotary current winding, and winding method for producing a stator with a rotary current winding: A method of producing a stator with a rotary current winding, having a first and second face end. On the face end, at least one shaped part with struts for winding guidance is provided. A brushless direct current machine with a stator, a shaped part for winding guidance for a...

20060170304 - Magnetic coupling devices and associated methods: The magnetic coupling system of the present invention overcomes drawbacks experienced by the prior art. A coupling system in accordance with one embodiment of the invention comprises a rotor assembly having a first mount portion connectable to a first shaft. A conductor assembly having a second mount portion is connectable...

20060170306 - Ceramic stack and a piezoelectric/electrostrictive device including same: A ceramic stack including a plurality of stacked ceramic plates having different lengths, the ceramic stack including an additional member having a curved surface, the additional member being disposed at a border between a first principal surface of the ceramic plate which is long and a side surface of the...

20060170305 - Piezoelectric vibration element, piezoelectric vibrator, piezoelectric oscillator, frequency stabilization method, and method of manufacturing the piezoelectric vibrator: A piezoelectric vibration element is provided which includes a piezoelectric substrate formed of a thickness slip based piezoelectric material and a metal layer formed on a surface of the piezoelectric substrate. In the piezoelectric vibration element, a surface of the metal layer is covered by a layer formed by chemical...

20060170307 - Surface acoustic wave linear motor, surface acoustic wave linear motor package, and lens actuator adopting the surface acoustic wave linear motor package: Disclosed herein are a surface acoustic wave linear motor that can be driven in opposite directions along a predetermined path, a package including the surface acoustic wave linear motor, and a lens actuator that is capable of performing an optical zoom function by adopting the surface acoustic wave linear motor...

20060170308 - Thin-film resonator and method for producing a multi-layer component: A thin-film resonator and a method for producing a thin-film component includes, for the purpose of structuring an upper first dielectric layer, a mask that comprises a second dielectric layer facing the upper dielectric layer and a photoresist layer. Initially, the photoresist layer that serves as photomask during the structuring...

20060170309 - Method of determining adhesion quality and apparatus embodying the method: A method of determining adhesion quality and apparatus embodying the method are disclosed. The apparatus includes a substrate, a seed layer, and a resonator. The substrate defines a cavity and has a doped portion proximal to the cavity. The seed layer is disposed above the cavity. The resonator includes a...

20060170310 - Assembly having a component enclosed by a housing, and device and method used in its manufacture: To provide an assembly which is as small as possible which contains a well-protected component and effectively dissipates heat, and to provide a device and a method for use in the rapid manufacture of such an assembly, an assembly includes a component and a housing from which the component is...

20060170311 - Resonant sensor assembly: A triple beam resonator (10) is provided with three beams or tines (12, 14, 16) aligned in parallel alongside each other and joined at a decoupling zone (18) at each end, which is in turn connected to the surrounding material. The central beam (14) is twice the width of the...

20060170312 - Sensors and related devices and methods: Sensors that include SAW devices, related methods, and related devices. Many embodiments are included. Some of the present sensors include an inlet structure; a mounting structure that is spaced apart from the inlet structure, the mounting structure having a top surface and an opposing bottom surface; and surface acoustic wave...