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US20110018384 |
MOTOR
In a motor, a raised portion arranged to project toward a rotor magnet is provided on an opposed surface of each tooth portion. This raised portion provided on an opposed surface of each tooth... |
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US20110115327 |
AC GENERATOR
AC generators are disclosed. Example generators may include a tubular air core, with high magnetic permeability and with a first and second end, the air core having a plurality of eddy current... |
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US20130270961 |
INTERNAL PERMANENT MAGNET MOTOR
An internal permanent magnet motor includes a rotor having main polar surfaces and inter-polar surfaces that are each formed by connecting circular arcs of a plurality of eccentric circles that... |
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US20120126654 |
PERMANENT MAGNET BRUSHLESS MOTOR
A permanent magnet brushless motor is provided. The motor includes a stator having a tubular-shaped member and a plurality of tooth members extending radially inwardly from the tubular-shaped... |
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US20120049689 |
Hydrogel Implants with Varying Degrees of Crosslinking
The present disclosure relates to a hydrogel composition and methods of using the same. The hydrogel composition may include precursors that react with each other upon contact as well as... |
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US20130052061 |
BRUSHLESS MOTOR
A brushless motor has a stator and an outer rotor. The stator includes a stator core having 6N teeth and 6N coils wound respectively around the teeth where N is an integer equal to or greater than... |
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US20050067913 |
Reduction of cogging torque in electric motors
An electric motor having reduced cogging torque. Motors have stator teeth separated by a slot, or space, which is filled with air and/or copper. The magnetic field present in the space is reduced,... |
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US20130229085 |
BRUSHLESS DC MOTOR
A brushless DC motor, comprising a stator having paired stator teeth, a rotor having paired magnetic poles and a rotating shaft fixed in the center of the rotor, wherein each of the stator teeth... |
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US20120104905 |
THREE-PHASE ELECTRIC MOTOR WITH A LOW DETENT TORQUE
The disclosure relates to a three-phase electric motor that uses high magnetic energy permanent magnets and that has a low detent torque. The motor consists of a rotor with N pairs of poles and of... |
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US20110304238 |
ROTATING MACHINE PROVIDED WITH STATOR CORE
A recording disk is to be mounted on a hub. A base rotatably supports the hub through a bearing. A stator core is fixed to the base and includes an annular portion and a salient pole extending... |
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US20050140240 |
Rotor, especially a short-circuit rotor for an electric machine, amd electric machine with a rotor
A rotor for an electrical machine (30), in particular a short-circuited rotor for an asynchronous machine, is proposed, whereby teeth (16) and grooves (13) alternate on the periphery, and the... |
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US20140028148 |
METHODS, SYSTEMS, AND APPARATUS FOR REDUCING COGGING TORQUE IN AN ELECTRIC MACHINE
An interior permanent magnet machine is described. The machine includes a rotor rotatable about a central machine axis. The rotor includes a plurality of permanent magnet openings and a plurality... |
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US20140368081 |
ROTOR OF PERMANENT-MAGNET EMBEDDED MOTOR, AND COMPRESSOR, BLOWER, AND REFRIGERATING/AIR CONDITIONING DEVICE USING THE ROTOR
A rotor of a permanent-magnet embedded motor includes a rotor core having magnet insertion holes along a circumferential direction and a magnet inserted into each of the holes, wherein a gap is... |
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US20120256514 |
BRUSHLESS SYNCHRONOUS MOTOR
A brushless synchronous motor includes a rotor having a number n of embedded permanent magnets and being rotatable relative to a stator having a number of stator teeth provided with a three-phase... |
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US20120133239 |
MAGNET EMBEDDED ROTOR, ELECTRIC MOTOR, AND ASSEMBLY METHOD OF ELECTRIC MOTOR
According to one embodiment, a magnet embedded rotor includes a rotor iron core and a permanent magnet. The rotor iron core is formed of a magnet into a cylindrical shape and provided with holes.... |
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US20150188377 |
COMPRESSOR, MOTOR INCLUDED THEREIN, AND METHOD FOR MANUFACTURING THE MOTOR
A compressor includes a motor which includes a stator assembly configured to include a stator in which a hollow is formed, a plurality of coils formed by a winding wound on the stator, and an... |
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US20110012465 |
INTERIOR PERMANENT MAGNET ROTOR, ELECTRIC MOTOR USING THE SAME AND ELECTRIC DEVICE
A rotor (21) is an interior permanent magnet rotor formed of a rotor core (24) in which a plurality of permanent magnets (25) are embedded at predetermined intervals. First protruding portions... |
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US20130207508 |
ROTARY ELECTRIC MACHINE
A rotary electric machine includes a rotor core in which first magnetic pole portions having permanent magnets and second magnetic pole portions having no permanent magnets are alternately... |
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US20090243423 |
ROTATING ELECTRIC MACHINE
In a rotating electric machine that is formed of a distribution winding motor with two slots per each pole and each phase, a stator core includes an air gap of a constant width dg1 between the... |
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US20120043849 |
STATOR FOR ELECTRIC ROTATING MACHINE AND METHOD FOR MANUFACTURING THE SAME
The stator for the electric rotating machine includes a stator core that has slots, a stator coil, and an impregnant applied to the inner surface of the stator core. The stator core has a... |
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US20130300249 |
SINGLE-PHASE BRUSHLESS MOTOR
A single-phase brushless motor has both superior start-up stability and low cogging torque. In the outer-rotor-type single-phase brushless motor, when a gap width between the rotor and one edge of... |
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US20110169369 |
STATOR FOR AN ELECTRIC MACHINE
An electric machine having a stator surrounding a rotor with an air gap therebetween. The stator has slots in its inner margin for accommodating stator coil windings. Stator teeth defined by the... |
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US20130229080 |
Rotary Continuous Permanent Magnet Motor
A rotary magnetic motor having a rotor configured to magnetically interact with a stator to obtain rotation of the rotor about its axis. The stator has a magnetic structure of a generally involute... |
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US20130334925 |
INTERIOR PERMANENT MAGNET TYPE ROTOR HAVING CONTINUOUS SKEW STRUCTURE
An IPM type rotor having a continuous skew structure obtained by a simple means, without constituting a permanent magnet as a complicated shape and forming an inclined magnetizing pattern on the... |
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US20120139386 |
ELECTRIC MOTOR
An electric motor according to the present invention includes a rotor core, a stator core provided so as to face the rotor core in the radial direction, and a permanent magnet buried in the... |
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US20110254474 |
Rotating Electric Machine and Electric Vehicle
A rotating electric machine includes a stator having a stator coil and a rotor provided rotatably around a specific rotation axis with respect to the stator. The rotor includes a plurality of... |
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US20110062815 |
FIELD ELEMENT
A field element core has a perimeter exposed around a rotation axis and a plurality of field magnet insertion holes circularly disposed around the rotation axis P. A radius between the perimeter... |
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US20140117807 |
Rotor and motor and/or electric vehicle driving apparatus including the same
A motor includes a plurality of tooth bodies extending from a rotor core. A pole shoe extends from an end of at least one tooth body at opposite sides where both sides of the pole shoe have a... |
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US20130147309 |
ROTOR GEOMETRY FOR REDUCTION OF TORQUE RIPPLE IN A WOUND FIELD MACHINE
An electric machine is provided with a rotor configured to be rotatable within a stator. A first and second tooth are disposed circumferentially along an outer perimeter of the rotor and at least... |
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US20100213780 |
Permanent magnet motor
A permanent magnet motor includes stator, rotor, and shaft; multiple rotor magnetic poles are disposed on the rotor; each rotor magnetic pole contains an arc surface and a first inclined section... |
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US20100289370 |
SYNCHRONOUS MOTOR HAVING 12 STATOR TEETH AND 10 ROTOR POLES
The invention relates to an electric machine (1), in particular a synchronous machine, comprising a stator arrangement (3) having twelve stator teeth (2) and a rotor (6) having ten rotor poles... |
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US20110043070 |
ELECTRIC MACHINE AND ROTOR ARRANGEMENT
The invention relates to an electric machine, particularly for a synchronous machine excited by a permanent magnet. The electric machine comprises a rotor arrangement (4) having buried permanent... |
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US20150022036 |
ROTOR WITH NON-CYLINDRICAL SURFACE FOR DYNAMOELECTRIC MACHINE
Various embodiments include apparatuses adapted to include a dynamoelectric machine rotor with a modified outer surface. In some embodiments apparatuses include a dynamoelectric machine rotor... |
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US20170005541 |
STARTER FOR A THERMAL ENGINE OF A MOTOR VEHICLE PROVIDED WITH A ROTARY ELECTRICAL MACHINE WITH AN IMPROVED PROJECTING POLE INDUCTOR AND CORRESPONDING POLE SHOE
A motor vehicle heat engine starter comprising a rotary electric machine (5) that has a rotor (9) and a stator (8) and comprises a plurality of magnetic poles (65) arranged on an internal... |
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US20160365782 |
MOTOR AND METHOD FOR USING AND MAKING THE SAME
A motor and methods for making and using same. The motor includes a rotor including magnetic poles and a stator comprising a stator core and a winding wound on the stator core. The stator core... |
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US20160365756 |
MOTOR AND METHOD FOR USING AND MAKING THE SAME
A motor and methods for making and using same. The motor includes a rotor including magnetic poles and a stator comprising a stator core and a winding wound on the stator core. The stator core... |
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US20160197524 |
MOTOR HAVING REDUCED COGGING TORQUE
An electric motor comprising a rotor rotatable about a rotor axis and a stator at least substantially circumscribing the rotor is provided. The stator includes a generally toroidal core including... |
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US20160190879 |
INTERIOR-PERMANENT-MAGNET MOTOR STRUCTURE
An interior-permanent-magnet motor structure includes an air gap having the form of an annular band. The air gap is positioned between the stator and the rotor. The width of the annular band of... |
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US20160134217 |
MOTOR, MOTOR SYSTEM, AND DETECTION METHOD OF MECHANICAL ANGLE OF MOTOR
A motor includes a stator and a rotor that is arranged opposite to the stator through a predetermined air gap. The stator is such that a plurality of coils are wound around respective slots for... |
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US20160111924 |
EMBEDDED MAGNET MOTOR AND ROTOR OF EMBEDDED MAGNET MOTOR
An embedded magnet motor includes a stator core, a plurality of permanent magnets each having a rectangular cross section, and a rotor core. The stator core and the rotor core define a first air... |
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US20160036274 |
ROTORS AND STATORS FOR DYNAMOELECTRIC MACHINES
A dynamoelectric machine includes a rotor having a rotor core and permanent magnets, and a stator having teeth. The permanent magnets are arranged in magnet sets. Each magnet set includes one or... |
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US20150340913 |
LOW-COG PERMANENT MAGNET MOTOR
A low-cog permanent magnet motor includes a stator and a rotor. The stator includes a plurality of bobbins. The bobbins are arranged in a radial pattern. Each of the bobbins forms a pole shoe, and... |