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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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 (...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 )...
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...
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...
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,...