Matches 1 - 50 out of 50


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US20140021817 ELECTRIC MOTOR  
An electric motor has a supplementary field magnet including a supplementary magnet, a yoke serving as a magnetic path for magnetic flux produced by the supplementary magnet. The supplementary...
US20140021818 ELECTRIC MOTOR  
An electric motor has a supplementary field magnet including a magnetization coil, a yoke serving as a magnetic path for magnetic flux produced by the magnetization coil, and a variable magnet....
US20130313934 ROTOR OF MOTOR AND FAN DRIVING MOTOR INCLUDING ROTOR  
Provided are a rotor of a motor capable of attaining a high-speed rotation by appropriately dispersing a stress exerted on a flux barrier portion while reducing a leakage of magnetic flux, and a...
US20070228847 HIGH SPEED ELECTRIC MOTOR  
Provided is a high speed electric motor including a stator installed at an inner circumferential surface of a motor housing; and a rotor installed inside the rotor to form a rotational magnetic...
US20130313933 ROTOR OF MOTOR AND FAN DRIVING MOTOR INCLUDING ROTOR  
Provided are a rotor of a motor capable of attaining a high-speed rotation by appropriately dispersing a stress exerted on a flux barrier portion while reducing a leakage of magnetic flux, and a...
US20140159530 INTERIOR PERMANENT MAGNET SYNCHRONOUS MOTOR  
An interior permanent magnet synchronous motor is provided. In the motor, a V-type recess is provided between adjacent permanent magnets within an outer surface of a rotor. The angle of the V-type...
US20140232230 PERMANENT MAGNET EMBEDDED MOTOR AND COMPRESSOR, BLOWER, AND REFRIGERATING AND AIR CONDITIONING APPARATUS USING PERMANENT MAGNET EMBEDDED MOTOR  
A permanent magnet embedded motor includes a rotor and permanent magnets. The outer circumferential surface of the rotor is formed by divided outer circumferential surfaces divided at equal angle...
US20140091663 PERMANENT-MAGNET TYPE ROTATING ELECTRICAL MACHINE  
Magnet insertion holes for embedding a plurality of permanent magnets per pole are formed in a rotor core in a protruding shape toward a center of a rotor. A pair of flux control holes formed in a...
US20140175930 PERMANENT MAGNET EMBEDDED TYPE ROTATING ELECTRICAL MACHINE  
A permanent magnet embedded type rotating electrical machine includes a rotor and a stator. The rotor includes a rotor core formed by a plurality of stacked and laminated magnetic steel plates and...
US20140028139 PERMANENT MAGNET ROTOR WITH RESIN-COVERED MAGNET AND LAMINATION FOR THERMAL CONTROL  
A method of forming a rotor includes placing a plurality of laminations into a stack having a plurality of longitudinally extending magnet slots, placing a plurality of permanent magnets into ones...
US20150084464 PERMANENT MAGNET ROTOR SHAFT ASSEMBLY AND METHOD  
A permanent magnet rotor shaft assembly for a high speed electrical machine provides a permanent magnet cylindrical core having a longitudinal axis, the cylindrical core being axially compressed...
US20150069874 ROTATING ELECTRIC MACHINE ROTOR  
A void group made up of plural voids is formed on an outer circumferential side of a longitudinal end portion of a permanent magnet provided in a rotating electric machine rotor. The void group...
US20100079025 Sintered Magnet and Rotating Machine Equipped with the Same  
A sintered magnet and a rotating machine equipped therewith are disclosed, which include: crystal grains of a ferromagnetic material consisting mainly of iron, and a fluoride compound or an...
US20140077650 ROTOR FOR ROTATING ELECTRIC MACHINE  
A rotor includes a rotor core having a plurality of pairs of magnet-receiving holes and a plurality of magnets respectively received in the magnet-receiving holes. Each pair of the...
US20130270955 ELECTROMAGNETIC MACHINE  
There is provided an electromagnetic machine (100) having an inner and outer stator (110), and a rotor and a plurality of magnets (140) embedded in the rotor (130). The magnets (140) are...
US20140184006 ROTOR ASSEMBLING METHOD FOR ELECTRIC TURBO-CHARGER AND ROTOR ASSEMBLED BY THE SAME  
A rotor assembling method for a turbo-charger may include washing and preparing components of a rotor having a connector, a permanent magnet, end caps, a retention ring, and a center pipe,...
US20140125182 ROTOR FOR ROTATING ELECTRIC MACHINE  
A rotor includes a rotor core having a plurality of pairs of magnet-receiving holes and a plurality of magnets respectively received in the magnet-receiving holes. Each pair of the...
US20130127283 ROTOR OF AN ELECTRIC MOTOR AND MANUFACTURING METHOD OF SAME  
A rotor of an electric motor is provided in which a cylindrical rotor core that is formed by stacked magnetic steel sheets and includes permanent magnets is crimp-fixed to a rotor shaft. The rotor...
US20140285921 SPINDLE MOTOR AND RECORDING DISK DRIVING DEVICE INCLUDING THE SAME  
There is provided a spindle motor including: a stator core fixedly installed on a stator; a driving magnet having a center thereof disposed to coincide with that of the stator core in an axial...
US20140062244 ROTOR, ROTARY ELECTRIC MACHINE PROVIDED WITH THIS ROTOR, AND ROTOR MANUFACTURING METHOD  
A rotor for a rotary electric machine includes a rotor core, a permanent magnet, and a resin member. The rotor core has a magnet insertion hole. The permanent magnet is arranged in the magnet...
US20170187257 MOTOR  
Embodiments describe a motor. The motor includes a stator, and a rotor, which is arranged within the stator. An end part of at least one air-gap slot of the rotor has an offset with a...
US20170179802 ELECTRIC MOTOR, COMPRESSOR, AND REFRIGERATING CYCLE APPARATUS  
A stator of an electric motor (40) has windings (44) and a stator core (43) in which eighteen teeth (71), around which the windings (44) are wound, are formed circumferentially. A rotor of the...
US20170141630 MOTOR HAVING ROTOR OF OPTIMIZED SHAPE  
A motor according to an embodiment of the present invention includes a rotor having a rotor core and a plurality of magnetic poles including permanent magnets provided in the rotor core; and a...
US20170126080 ROTOR AND PERMANENT MAGNET ELECTRIC MOTOR  
A rotor, which is cylindrically formed of a magnetic body and in which a plurality of magnet embedding holes are annularly formed at predetermined intervals in a circumferential direction,...
US20170110944 EMBEDDED PERMANENT MAGNET-TYPE ELECTRIC MOTOR, COMPRESSOR, AND REFRIGERATION/AIR-CONDITIONING DEVICE  
In an interior permanent magnet motor, a magnet insertion hole of a rotor core is curved into an arc shape, and a convex portion side of the arc shape is arranged on a center side of a rotor. The...
US20170104399 ELECTRIC MOTOR AND COMPRESSOR HAVING THE SAME  
An electric motor is provided. The electric motor includes a hollow-shaped stator configured to have a teeth part protruding on an inner surface thereof, and a rotor configured to be inserted into...
US20170098970 ROTOR, PERMANENT-MAGNET-EMBEDDED MOTOR, AND COMPRESSOR  
An end of each of slits of a rotor on a magnet insertion hole side has a triangular shape. A slit inner-side line of each of the slits includes an apex and a pair of side ends. An interval between...
US20170098969 PERMANENT MAGNET ROTOR AND PERMANENT MAGNET ROTATING ELECTRICAL MACHINE  
According to an embodiment, a permanent magnet rotating electrical machine has: a rotor shaft which is rotatably supported and extends axially; a rotor core fixed to the rotor shaft and has a...
US20170085160 ROTOR OF PERMANENT MAGNET-TYPE ROTARY ELECTRIC MACHINE  
Provided is a rotor (1) of a permanent magnet-type electric rotary machine, the rotor being able to restrain a decrease of a magnetic characteristic. A pair of endplates (6a, 6b) placed at both...
US20170085143 EMBEDDED PERMANENT MAGNET ROTARY ELECTRIC MACHINE  
R1>R2>R3 is satisfied, where R1 is a radius of curvature of a cylindrical surface that contacts circular arc-shaped curved surfaces arranged circumferentially, R2 is a radius of curvature of the...
US20170077772 ROTOR OF ELECTRIC MOTOR FOR COMPRESSOR  
At least three axis direction through-holes arranged at equal intervals in the circumferential direction are provided in a rotor laminated steel plate and a rotor end plate. The rotor laminated...
US20170063211 PERMANENT MAGNET EMBEDDED ROTATING ELECTRICAL MACHINE  
A permanent magnet embedded rotating electrical machine such that permanent magnets of a multiple of poles are embedded in an interior of a rotor of which one pole is configured by two permanent...
US20170063185 ROTOR  
Satisfactory magnet torque is achieved while avoiding a reduction in the reluctance torque generated. The rotor core is provided with a plurality of magnet slots arranged in the circumferential...
US20160380492 ROTARY ELECTRIC MACHINE  
A contour line on the outer circumferential side of each magnet hole in the first layer is formed to be an arc passing through a total of three intersections, i.e., an intersection of a d axis and...
US20160359384 Permanent Magnet Rotating Electric Machine and Method for Manufacturing Same  
A permanent magnet rotating electric machine includes a stator and a rotor disposed with an air gap interposed between the stator and the rotor. The rotor is provided with a rotor core provided...
US20160352167 Rotor and Motor Including the Same  
The present invention relates to a motor for a vehicle and a rotor applied thereto, wherein the rotor includes a first rotor core having a plurality of magnet contact surfaces in a first direction...
US20160352164 ROTATING ELECTRICAL MACHINE  
Provided is a rotating electrical machine that has superior rotor strength and can be manufactured at low cost, wherein torque generated by a rotor can be increased. Two holes are formed in a...
US20160352162 ROTATING ELECTRICAL MACHINE  
A multiple of communication hole pairs each including two communication holes are formed in a rotor in a rotor rotation direction. A region between the two communication holes of each...
US20160344271 Single Phase Brushless Motor and Electric Apparatus Having the Same  
A single phase brushless motor and a power tool and a car window lifer employing the motor are provided. The motor includes a stator and a rotor. The stator includes a stator core and windings....
US20160336839 ELECTRIC MACHINE WITH PERMANENT MAGNETS INSERTED BY FORCE  
A method for producing an electric rotary machine including a rotor magnetic mass formed by a stack of superimposed electrical sheets containing housings, and a plurality of permanent magnets...
US20160336822 SPLIT ROTOR STACK GAP WITH A CORNER AIR BARRIER  
A rotor stack of an electric motor may include a gap for insertion of at least two permanent magnets of an individual magnet pole. The gap may include a central connecting element and at least two...
US20160315513 ROTOR YOKE  
A rotor yoke is rotatable about an axis, is adapted for a plurality of permanent magnets to be mounted therein, and includes a central section a peripheral section, and a connecting section. The...
US20160315512 ROTARY ELECTRIC MACHINE ROTOR  
A rotor (12) includes i) a stacked body (24) in which a plurality of holed steel plates (28a, 28b) provided with holes (29, 30) punched out of insulation coated steel plates are stacked together,...
US20160308428 Permanent Magnet Motor  
A permanent magnet motor, comprising a stator (1) and a rotor (4); the rotor comprises a rotor iron core (5) and permanent magnets (7a, 7b); in the radial direction of the rotor, each magnetic...
US20160301270 Motor Core and Motor  
To provide a motor core and a motor capable of reducing cogging torque and torque ripple by the shape of a pole tooth of a stator. An end surface of a pole tooth of a stator is formed such that a...
US20160294262 LAMINATED ROTOR AND MANUFACTURING METHOD FOR LAMINATED ROTOR  
A manufacturing method for a laminated rotor includes inserting a bridge member into a magnetic flux leakage suppression hole, thus allowing a tip of the bridge member to project from an end...
US20160285327 MOTOR  
A motor includes a stator that generates a rotating magnetic field; a rotor supported rotatably by a shaft within the stator; an outermost peripheral permanent magnet that is a permanent magnet...
US20160285326 PERMANENT-MAGNET-EMBEDDED ELECTRIC MOTOR AND METHOD FOR MANUFACTURING SAME  
A permanent-magnet-embedded electric motor includes a stator having a coil wound on a stator core, and a rotor disposed rotatably inside the stator through a gap to an inner circumferential...
US20160268856 EMBEDDED-PERMANENT-MAGNET ELECTRIC MOTOR  
Provided is an interior permanent magnet motor including: a stator; and a rotor, the rotor including separated permanent magnets for one magnetic pole, in which: a rotor core includes the same...
US20150364959 AN INTERIOR PERMANENT MAGNET MOTOR  
An interior permanent magnet motor includes: a rotor; a stator; and a plurality of permanent magnets respectively inserted into a plurality of magnet insertion holes formed in a rotor core, the...

Matches 1 - 50 out of 50