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US20140070658 |
LAMINATION ASSEMBLY INCLUDING AN INTER-LAMINATION THERMAL TRANSFER MEMBER FOR AN ELECTRIC MACHINE
A lamination assembly having a lamination stack including a plurality of lamination members, and at least one inter-lamination thermal transfer member coupled to at least one of the plurality of... |
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US20130094982 |
BRUSHLESS MOTOR AND ELECTRIC PUMP
A brushless motor comprises a rotor and a stator comprising a plurality of core plates laminated on one another. The core plates include a plurality of teeth portions. The plurality of core plates... |
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US20140111884 |
SPINDLE MOTOR AND HARD DISK DRIVE THEREWITH
A thin spindle motor having a stator core with sufficient swaging strength even using thin magnetic steel sheets is provided, whereby the magnetic loss and the power consumption of the spindle... |
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US20140210284 |
MOTOR, METHOD FOR MANUFACTURING MAGNETIC PLATE, AND METHOD FOR MANUFACTURING STATOR
A motor includes a rotation shaft, a stator, and a rotor. The stator includes an armature winding and a stator core including a main core portion with an axial stack of core sheets and a magnetic... |
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US20070114874 |
Motor having a stator and a rotor made of soft magnetic powder material
A stator includes a stator body and a plurality of compression beads formed on an outer surface of the stator body to reduce a contact surface between the stator body and an inner surface of the... |
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US20100052464 |
AC-INDUCTION-MOTOR ROTOR LAMINATION HAVING ROTOR SLOTS
An AC-induction-motor rotor lamination has a longitudinal axis and circumferentially spaced apart and closed rotor slots. Each rotor slot includes first through fifth corners, a straight slot... |
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US20070278867 |
EXPOXY ENCAPSULATED STATOR
A stator having electromagnetic poles that face an interior or center of a generally circular lamination of the stator includes coils that are encapsulated in epoxy. The outer surface of the epoxy... |
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US20090140598 |
Rotor construction in an electric motor
A rotor of an electric motor with a cylindrical shaft and a magnetically conducting laminated core, the laminated core having a central shaft duct. The laminated core can be fastened reliably and... |
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US20060097601 |
Rotor arrangement for an electric machine and a method for the manufacture of a rotor arrangement
A rotor arrangement for an electric machine having a substantially cylindrical rotor body and a shaft on which the rotor body is mounted, wherein the rotor body is divided into a plurality of... |
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US20130076193 |
LAMINATED CORE AND FABRICATION METHOD THEREOF
Disclosed herein is a laminated core used for a motor including an electric motor, wherein the core is formed of a soft magnetic composite and has a structure in which one or more unit laminates... |
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US20090108702 |
LAMINATION HAVING TAPERED TOOTH GEOMETRY WHICH IS SUITABLE FOR USE IN ELECTRIC MOTOR
An electric motor has a stator, and a rotor disposed within the stator. The stator has a set of stator laminations and a set of windings held in position by the set of stator laminations. The... |
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US20150207390 |
MOTOR PROVIDED WITH NONCIRCULAR STATOR CORE, APPARATUS FOR PRODUCTION OF MOTOR, AND METHOD FOR PRODUCTION OF MOTOR
A motor which reduces the manufacturing cost while able to reduce the cogging torque. The stator core is provided with a first core sheet and a second core sheet which is stacked with the first... |
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US20090184601 |
POLYPHASE STATOR OF A ROTATING ELECTRICAL MACHINE WITH CLAW-POLE ROTOR AND ALTERNATOR OR ALTERNATOR STARTER COMPRISING SAME
The invention concerns a polyphase stator (5) for a with rotating electrical machine claw-pole rotor comprising five or seven phases (132), a stator body having internally a plurality of notches... |
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US20080191577 |
Reluctance Laminations for a Motor Assembly
A system and method for a multiple degrees of freedom motor includes an output shaft. A stator is provided having at least a first lamination stack. Each lamination stack has an interior curved... |
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US20070188031 |
Servo motor with large rotor inertia
A servo motor with large rotor inertia includes a casing, a stator, a rotor and an inertial disk. The casing includes a hollow chamber and axial stages at front side and rear side thereof. The... |
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US20060082240 |
Stator laminated plates of an enclosed type motor
Stator laminated plates of an enclosed type motor are made of a preset number of laminated plates. Each laminated plate is composed of a main plate and two coupling plates. Each main plate is... |
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US20070114856 |
Soft magnetic powder-based stator for use in motor
A stator for use in a motor, being wound with a coil, includes a main body fixed to a inside of the motor; a plurality of teeth formed to be integrated with the main body and respectively wound... |
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US20110309710 |
Core and motor having the same
Disclosed is a core including a plurality of core layers in a laminated structure formed through one-directional press shearing and having an insulating layer formed on the surface thereof... |
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US20070159018 |
Explosion-proof motor
A novel explosion-proof motor, which, in certain embodiments, features a housing with flame paths between various joints in the housing. These flame paths may contain and cool hot gases and flames... |
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US20080067886 |
RADIAL CENTERING SURFACE OF A STATOR CORE
The present invention relates to a method and a device for manufacturing a radial centering surface on an outer circumference of an annular laminated core of a stator, the centering surface (19;... |
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US20090108712 |
SHORT-FLUX PATH MOTORS / GENERATORS
According to one embodiment of the present invention, an electric machine includes a stator and a rotor. The stator includes a stator pole including a first leg and a second leg, and a gap defined... |
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US20070126310 |
Universal motor and lamination for stator thereof
A lamination 10 for the stator of a universal motor has two poles 12 and a flux return path in the form of a ring 14 joining the two poles together. Each pole 12 has a pole face 16 defining there... |
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US20140009030 |
FAN STATOR STRUCTURE
A fan stator structure includes a stator assembly having at least one first silicon steel sheet and at least one second silicon steel sheet. The second silicon steel sheet has a base section and... |
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US20090072641 |
GENERATOR HAVING A COOLING FLOW BIFURCATION MEMBER AND METHOD FOR CONTROLLING A COOLING FLOW
A cooling flow bifurcation member is positioned in an outside radial flow passage of a generator between an end portion of a stator core and a stator flange. The flow bifurcation member includes a... |
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US20120326554 |
STATOR, METHOD FOR MANUFACTURING SAME, AND MOTOR
The present invention provides a method for manufacturing a stator configured to ensure insulation properties between a conductor and an armature core while preventing a manufacturing cost from... |
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US20070296301 |
STATOR CORE
A stator core is disclosed. The stator core is constructed in a structure in which stress of the stator core is minimized when a stator is manufactured in a spiral fashion, whereby workability is... |
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US20080238237 |
INDUCTION MACHINE
An induction machine has a stator and rotor. The stator comprises teeth and slots and stator winding disposed in the slots. The rotor comprises a rotor core having teeth and slots and a... |
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US20080238241 |
COMMUTATOR MOTOR AND ELECTRIC VACUUM CLEANER USING THE SAME
An efficient and high-performance commutator motor in which both torque enhancement and iron loss reduction are achieved is provided by ensuring a sufficient area occupied by field windings wound... |
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US20140209728 |
DIE ASSEMBLY AND METHOD FOR MANUFACTURING WOUND MOTOR LAMINATED ARTICLE
A stator core is formed from a continuous strip of wound sheet stock material, in which the sheet stock material is converted from the sheet stock to a formed material including winding slot... |
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US20080143210 |
Three-phase motor stator
The present invention provides a three-phase motor stator. The shape of the three-phase motor stator is defined by an optimum pole-tooth ratio for reducing the cogging torque of the motor and... |
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US20060186753 |
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... |
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US20130154434 |
STATOR CORE, MANUFACTURING METHOD THEREFOR, AND ROTARY ELECTRIC MACHINE THAT USES THAT STATOR CORE
The method for manufacturing a stator core includes: a punching step in which magnetic segments are punched out of an electromagnetic steel sheet that is coated with an organic insulating coating;... |
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US20090309446 |
ELECTRIC ARC WELDING SYSTEM POWERED BY PERMANENT MAGNET ELECTRIC GENERATOR
An electric arc welding system is powered by a power generator with a rotor assembly circumferentially surrounding a stator assembly. The arc welding system generates a three phase AC current,... |
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US20060066168 |
Bonded rotor laminations
In accordance with an exemplary embodiment, the present technique provides a rotor assembly formed of a plurality of rotor laminations that are bonded to one another. Specifically, the rotor... |
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US20090152977 |
ELECTRICAL MACHINE CIRCUIT ELEMENT
An electrical machine circuit element (1) comprises a flat metal sheet (2) provided with a plurality of slots (3) for an electric and/or cooling circuit. The elements (1) presents a plurality of... |
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US20080224562 |
Armature laminations
A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having... |
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US20060138894 |
Rotor for rotating machine, manufacturing method of rotor and motor for electrically driven power steering
An object of the present invention is to provide a rotor with a high accuracy, a manufacturing method of the rotor and the motor for an electrically driven power steering in a manner that the... |
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US20080136286 |
CONCENTRATED WINDING COIL AND METHOD OF MANUFACTURING SAME
A concentrated winding coil according to the present invention comprises a plurality of coil layers each of which comprises a plurality of wire turns wound in alignment winding; and a bobbin... |
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US20120086302 |
STATOR CORE AND METHOD OF MANUFACTURING SAME
A stator core 10 and its manufacturing method, the stator core 10 including laminated stator core sheets 17, each of the stator core sheets 17 punched out from a magnetic metal sheet 32, a central... |
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US20060138877 |
Rotor core for motor and small motor
A rotor core for a motor includes a core having a plurality of core sheets which are laminated, a rotation shaft which is press-fitted to the core, a press-fitting part and at least a space part... |
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US20070024150 |
Electrical machine having centrally disposed stator
An electrical generator comprising a stator having stator windings and a rotor having rotor windings. The rotor and the rotor windings extend about the stator windings. The rotor includes an... |
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US20060001328 |
Method for production of a stator and stator produced according thereto
The present invention proposes a method for manufacturing a stator for an electric machine, in which strip-shaped laminations (21) are first stacked to form an essentially block-shaped lamination... |
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US20060273669 |
Electric machine with coolant guiding channel and corresponding cooling method
The aim of the invention is to optimise cooling electric machines. As a result, a coolant channel (7) is disposed around the cylindrically-shaped magnet arrangement of the electric machine. Said... |
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US20090066182 |
STATOR WINDING ASSEMBLY AND METHOD
Disclosed herein is an electric machine stator. The electric machine stator includes a tubular body with a plurality of radial slots formed into a perimetrical surface thereof, each of the... |
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US20050067905 |
Stator cooling method and apparatus
According to one embodiment of the present technique, forced air (i.e., air flow) is routed through a motor stator having corners and center ducts. Advantageously, by routing the air flow through... |
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US20110127876 |
LAMINATED STATOR CORE
A laminated stator core 10, formed by laminating stator core sheets 17, each of the stator core sheets 17 punched out from a magnetic metal sheet 32 so as to have a common axis with a rotor core... |
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US20140037476 |
MOTOR FOR COMPRESSOR PUMPS AND RELATED COMPRESSOR ASSEMBLY
An electric motor is provided, including a stator having two electromagnetic poles diametrically opposite each other, a rotor including a rotor core configured for being rotatably mounted with a... |
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US20110273054 |
ELECTRICAL STEEL, A MOTOR, AND A METHOD FOR MANUFACTURE OF ELECTRICAL STEEL WITH HIGH STRENGTH AND LOW ELECTRICAL LOSSES
In a method for manufacture of electrical steel a liquid steel mixture is created with a specified mixture chemistry. A continuous casting is performed to convert the liquid steel mixture to a... |
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US20060284511 |
Enhanced electrical machine cooling
In one embodiment, the present technique relates to a motor having enhanced cooling. The exemplary motor includes a stator core that is formed of a plurality of stator laminations and that is, at... |
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US20130002085 |
Structured magnetic material
A bulk material formed on a surface is provided. The bulk material includes a plurality of adhered domains of metal material, substantially all of the domains of the plurality of domains of metal... |