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7619334 |
Motor having a highly reliable grounding structure and electric equipment on which the motor is mounted
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...
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7615895 |
Outer rotor type motor for drum type washing machine and method for fabricating the same
Direct coupling type motor for drum type washing machine having a stator which can reduce material required for fabrication, and a weight after fabrication, simplify a fabrication process, and can...
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7605508 |
Electrical machine with support of the rotor on an end face of the stator
An electrical machine has a stator, a rotor, which features a rotor shaft, and at least one bearing for the rotor. The bearing is supported on a bearing block, which in its turn rests on an end...
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7596856 |
Method for manufacturing a soft magnetic metal electromagnetic component
An electromagnetic component is formed from a pre-form comprising layers of soft magnetic metal ribbon. Adhesive is applied to permeate the pre-form and is then cured. The bonded pre-form is placed...
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7594314 |
Method for building a device having fluidic and electrical functions
A method for building a device having fluidic and electrical functions includes the steps of: mounting a building part with fluidic and electrical functions on a substrate that is provided with a...
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7591063 |
Method of making an armature
A method of making an armature includes placing a commutator and a lamination stack on an armature stack. Coil windings wound in slots in the lamination stack, the commutator and armature shaft are...
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7579743 |
Magnet rotor, movable magnet-type instrument with the magnet rotor, and stepping motor with the magnet rotor
A magnet rotor in which rotation prevention and positional displacement (rattling, and misalignment of axes) between a magnet and a rotor body can be restricted, a movable magnet type-instrument...
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7579742 |
High-efficiency parallel-pole molded-magnetic flux channels transverse wound motor-dynamo
A motor/dynamo including a mounting shaft having a hollow channel and a bearing attached to each end, a non-rotating cylindrical hub having a hollow core for the mounting shaft, single or plural...
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7579732 |
Insulating motor housing
An insulating motor housing includes first to fourth power supply elements stacked in their thickness direction to be spaced and insulated from each other and integrated with a housing body by...
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7579731 |
Miniature brushless motor structure
Disclosed herein is a reliable inner rotor type miniature brushless motor structure wherein, while a field coil is fixedly disposed onto the inner wall of a housing, an end flange is fixedly...
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7573169 |
Permanent magnet rotor
A permanent magnet rotor having a shaft, a hollow cylindrical permanent magnet and an elastic connecting medium between the shaft and the permanent magnet. The permanent magnet is arranged...
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7569958 |
Axial air-gap electronic motor
In an axial air-gap electronic motor having a stator that is formed by annularly connecting a plurality of core members around an axis of a rotor output axis, an insulator that insulates a winding...
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7566999 |
Electromagnetic device with composite structure heat transfer flow path
Electromagnetic components are provided with a heat exchange mechanism. For example, a fluid-cooled electromagnetic field-functioning device, such as a motor, generator, transformer, solenoid or...
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7562590 |
Torque detecting device and manufacturing method of yoke assembly
A yoke assembly is constructed by retaining integrally a yoke ring having positioning holes aligned with pole claws arranged equally on the inner circumference and a yoke ring having positioning...
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7560839 |
Electric motor and fuel pump having the same
A stator of an electric motor includes coil cores, bobbins and coils. The coil cores include six coil cores, which are arranged at equal angular intervals in a circumferential direction. The...
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7545066 |
Jacketed active magnetic bearing
The jacketed active magnetic bearing is applied to a rotary machine having a rotor in contact with a process gas and placed in a leaktight enclosure. The magnetic stator is protected by a first...
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7523540 |
Device for positioning and affixing magnets to a magnetic yoke member of a motor
A device for positioning and affixing magnets on a magnetic yoke member of an electric motor includes: a nonmagnetic support for receiving the magnets; a magnetic element for holding the magnets in...
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7498762 |
Motor
A motor includes a drive circuit for driving a rotor by controlling a current applied to an armature winding of a stator, and a capacitor for smoothing a voltage supplied to the armature winding...
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7498702 |
Motor and bus bar
A bus bar secured to a stator in an electric motor in a preferred embodiment according to the invention includes four wiring boards, which are arranged perpendicularly to a center axis at intervals...
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7464455 |
Method for forming an armature for an electric motor
A method for forming an armature for an electric motor includes securing a lamination stack having slots therein on an armature shaft. A commutator is secured on one end of the armature shaft....
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7459812 |
Switched reluctance motor
A switched reluctance motor includes: a stator including a cylindrical body, a plurality of salient poles coupled to an inner circumferential surface of the cylindrical body and provided with a...
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7458214 |
Electric motor cartridge for an electrically assisted turbocharger
An electric motor cartridge comprises a first cartridge housing portion ( 2 ) and a second cartridge housing portion ( 3 ). The cartridge housing portions ( 2, 3 ) are coupled together so as to...
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7456533 |
Motor and electric apparatus equipped with a conductive pin for suppressing electrolytic corrosion
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...
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7442005 |
Fan frame and heat dissipation fan incorporating the fan frame
A heat dissipation fan includes a fan frame, a stator mounted to the frame, and a rotor rotatably disposed around the stator. The fan frame includes a bracket, a central tube for positioning the...
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7429810 |
Electric rotary machine
In the stator of a electric rotary machine in which heat conductive insulation resin is filled at the end portions of a stator coil, the material of a stator core, the stator coil, the heat...
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7417352 |
Brush holder and manufacturing method thereof
A brush holder incorporates a terminal integral part, which has a coupling portion. The coupling portion couples the terminals with each other. The brush holder has a resin body and a plurality of...
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7400076 |
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...
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7397158 |
Motor for washing machine
A motor for a washing machine including a driving shaft coupled to a drum, a stator for forming a magnetic field with a coil wound on a core, and a rotor rotatably mounted on an outside of the...
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7394174 |
Brushless D.C. motor
The brushless direct current motor comprises a housing 10 , a stator 13 and a rotor 11 within the housing, windings on the stator, sensors for sensing the position of the rotor relative to the...
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7391136 |
Electric rotating machine
An in-slot conductor part of a stator winding of a rotary electric machine has multiple in-slot conductors disposed in multiple slots. In each of the multiple slots a plurality of the in-slot...
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7382073 |
Rotor of electric rotating machine and manufacturing method thereof
A rotor 1 of an AC generator for vehicle according to the invention in which a conductor 6 is wound around a spool 5 in multi-rows and multi-layers is characterized in that gaps between the...
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7356906 |
Brushless direct-current motor of radial core type having a structure of double rotors and method for making the same
A method of manufacturing a radial core type double rotor brushless direct-current motor is provided. A double rotor structure is employed with inner and outer rotors which are doubly disposed such...
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7350283 |
Method for making rotor for permanent magnet electric machine
A method for making a rotor for a permanent magnet electric motor comprising the steps of providing an annular permanent magnet and an annular back-up member. Affixing the magnet to the inner...
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7323801 |
Axial air-gap electronic motor
There is provided an axial air-gap electronic motor in which work for assembling a stator can be performed efficiently. A locking protrusion 26 is provided on a flange portion 24 of core...
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7323796 |
Motor-driven tool
In a motor-driven tool, a carbon brush part 8 is arranged between a suction port 6 and a commutator 11 of the motor and includes a cylindrical side wall 8 a . The cylindrical side wall 8 a ...
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7302749 |
Method of making a two-layer lap winding for a multiphase electrical machine
The method of making a two-layer lap winding ( 12 ) for a multiphase electrical machine includes the steps of winding a first coil unit ( 20 ) of a first phase winding ( 14 ) around a winding bar (...
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7294942 |
Outer rotor type motor for drum type washing machine and method for fabricating the same
Direct coupling type motor for drum type washing machine having a stator which can reduce material required for fabrication, and a weight after fabrication, simplify a fabrication process, and can...
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7271513 |
Thermal stress relieved overmolded mounting base
A method of manufacturing and an overmolded mounting base. A plate is provided with mounting surfaces having a range of alignments including a nominal alignment. The plate is overmolded to form an...
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7268461 |
Low cost electrical motor components manufactured from conductive loaded resin-based materials
Electric motor components are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a...
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7262527 |
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...
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7262526 |
Rotor for permanent magnet motor of outer rotor type
A rotor for a permanent magnet motor of an outer rotor type having a plurality of permanent magnets and disposed around a stator includes a frame, an annular iron core combined integrally with the...
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7242125 |
Device for the insulation of stator slots
The invention relates to a device for the insulation of the stator slots of an electric machine that has a stator having a plurality of stator poles and stator slots located between the stator...
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7225525 |
Method for manufacturing electric motor
In a method for manufacturing an electric motor, a cylindrical stator core circumferentially dividable into a plurality of core components is inserted into a circular internal surface of a motor...
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7215048 |
Dynamoelectric machine having encapsulated coil structure with one or more of phase change additives, insert molded features and insulated pinion
An electric motor has an armature and a stators. The armature has a lamination stack having slots therein. An internal shaft extends coaxially through the lamination stack. A plurality of magnet...
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7196443 |
Rotary electric machine
In a rotary electric machine, each stator coil includes a bobbin that is fitted to one of teeth of a stator core and a phase coil is wound around the bobbin. Each bobbin includes a bobbin terminal...
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7178219 |
Method of manufacturing a magneto-generator
A magneto-generator, a method of manufacturing the same and a resin molding die for manufacturing the same. In the magneto-generator, a guard ring is omitted with the performance of the...
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7170206 |
Method for the production of a rotor for an electric turning machine
The invention proposes a method of making a rotor ( 12 ) for a rotary electrical machine, the rotor including a core ( 14 ) on which there is formed at least one electrical winding ( 16 )...
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7168923 |
Alternator fan
The invention is a fan for an alternator adapted to be coupled in rotation to the alternator rotor, and being of the type comprising a wheel part and a plurality of fan blades ( 47, 48 ) extending...
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7154200 |
Motor
A motor has a stator substantially encapsulated within a body of thermoplastic material; and one or more solid parts used in the motor either within or near the body. The thermoplastic material has...
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7148598 |
Spoke permanent magnet rotors for electrical machines and methods of manufacturing same
A rotor assembly for an electric motor includes a spoke permanent magnet rotor and a shaft connected thereto. The spoke permanent magnet rotor has an axis of rotation, permanent magnet material,...
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