Matches 1 - 50 out of 115 1 2 3 >


Match Document Document Title
US20090315424 PERMANENT MAGNET SYNCHRONOUS MACHINE WITH SHELL MAGNETS  
A permanent-magnet synchronous machine includes a stator that has slots and a rotor that has permanent magnets which form magnet poles. The permanent magnets are shell magnets having two curved...
US20070007840 Centrifugal water pump having polar anisotropic magnetic ring  
A centrifugal water pump comprises a rotor having a polar anisotropic magnetic element. Magnetic force lines are centrally distributed at the inner or outer surface of the polar anisotropic...
US20140001910 ELECTRIC MOTOR AND PRODUCTION METHOD FOR THE ELECTRIC MOTOR  
A plurality of lamination steel sheets that form a rotor core are stacked so that the lamination steel sheets are angularly shifted from each other, and a plurality of cavities are formed....
US20150035403 BRUSHLESS DC MOTOR  
A brushless DC motor comprises a plurality of magnets positioned at a distance from one another on a circular structure, and a plurality of solenoids provided each around a static solenoid...
US20060131975 Longitudinally-fluted multi-pole permanent-magnet rotor  
A rotor having a longitudinally-fluted and multi-pole configuration is used in a motor to enhance torque output of the motor. The rotor includes a shaft around which a magnetic member is fixed....
US20120038236 Permanent Magnet Rotating Electric Machine and Electric Car Using the Same  
A permanent magnet rotating electric machine comprises a stator having stator windings wound round a stator iron core and a permanent magnet rotor having a plurality of inserted permanent magnets...
US20120080972 SINTERED MAGNET AND METHOD FOR PRODUCING THE SAME  
There is provided a sintered magnet that is capable of, as compared to conventional divided magnets, significantly reducing eddy loss, flexibly accommodating diverse shape and dimensional...
US20150093271 BRUSHLESS MOTOR AND FAN USING THE MOTOR  
A brushless motor 5 of the present invention comprises: a rotor magnet 13 having a magnetized circumferential surface 13a comprising an upper circumferential surface 13a1 magnetized with a...
US20090127960 ANISOTROPIC PERMANENT MAGNET MOTOR  
An anisotropic permanent magnet motor includes a stator and a rotor opposed to teeth of the stator with a gap therebetween, and the rotor includes an anisotropic permanent magnet disposed on a...
US20130062985 BRUSHLESS DC MOTOR  
A brushless DC motor including a rotor capable of minimizing demagnetization of a magnet even when a short-circuit brake operation is performed by short-circuiting motor coils includes two kinds...
US20150207371 APPLIANCE, MOTOR OR STATOR  
A motor suited for use in a direct drive laundry machine. The described motor has 27 poles projecting outward from an annular ring. Each pole is associated with one of three phase windings. A...
US20150171680 INTERIOR PERMANENT MAGNET ROTARY ELECTRIC MACHINE  
A field element has permanent magnets embedded in a core and extending in the axial direction parallel to a rotation axis. Both a magnetic pole face of the permanent magnet close to an armature...
US20100098565 ELECTRIC PUMP ROTOR AND ELECTRIC PUMP  
An electric pump rotor is provided in which a magnet part can be easily formed, and at the same time, the weight of the magnet part can be reduced. The electric pump rotor has a ring-shaped magnet...
US20110210563 PERMANENT MAGNET GENERATOR  
The present invention relates to a permanent magnet generator for increasing the capacity of generating the electric power by increasing the number of a magnetic pole. Thus, the present invention...
US20050225191 Magneto multiple pole charging system  
A magneto charging system consisting of a stator with a plurality of pole pairs and a rotor consisting of a plurality of magnet pole pairs. Where the number of magnet pole pairs and the size of...
US20080093944 PERMANENT-MAGNET RELUCTANCE ELECTRICAL ROTARY MACHINE  
For an electrical reluctance rotary machine, a stator has a winding as an armature, and a rotor has permanent magnet implanting slots provided in a rotor core at lateral sides magnetic poles...
US20110158831 FAN AND MOTOR THEREOF  
A motor including a bearing structure, a rotor structure, a stator structure and a magnetic body is disclosed. The rotor structure includes a shaft disposed on the bearing structure. The stator...
US20090021097 PERMANENT MAGNET ROTATOR AND MOTOR USING THE SAME  
A motor generally has a contradictory relation between decrease of cogging torque and increase of torque density. To overcome this problem, continuous direction control is provided for anisotropy...
US20110121675 METHOD OF RARE EARTH-IRON BASED ANNULAR MAGNET AND MOTOR FABRICATED THEREBY  
Improvement of torque densities, miniaturization and weight saving for outer rotor type motors or permanent-magnet-field-type DC motors can be efficiently achieved by high-energy densification of...
US20150162792 PERMANENT MAGNET ROTOR  
A permanent magnet rotor including a rotor core and permanent magnets. The rotor core includes a plurality of magnetic induction blocks. A plurality of radial recesses are formed between every two...
US20090278416 MOTOR AND COMPRESSOR  
Two magnets in a circumferential direction of a rotor are provided in each slot of the rotor. The two magnets are consistently pulled in a direction in which they are mutually separated by...
US20110133596 Rotor, Axial Gap Type Motor, Method of Driving Motor, and Compressor  
A technique of employing a rotor having anti-saliency and being rotatable about a predetermined axis in an axial gap type motor is provided. A plurality of magnets are disposed annularly on a...
US20150022043 ELECTRIC MOTOR  
A rotor in an electric motor has a plurality of permanent magnets arranged along a circumferential direction. The electric motor has a stator arrangement with a winding arrangement which...
US20130300243 HIGH POWER DENSITY PERMANENT MAGNET MACHINE  
A permanent magnet rotary machine includes a rotor and a plurality of circumferentially spaced permanent magnets spaced circumferentially about a rotational axis of the rotor. A stator is...
US20140375164 ELECTRICAL GENERATOR WITH ROTATIONAL GAUSSIAN SURFACE MAGNET AND STATIONARY COIL  
A Gaussian Surface Neodymium magnet of at least one or a plurality of spherical or any other Gaussian Surface configuration that is seated in the center of a stationary coil and whereby said...
US20090007417 Radial Anisotropic Magnet Manufacturing Method, Permanent Magnet Motor Using Radial Anisotropic Magnet, and Iron Core-Equipped Permanent Magnet Motor  
In order to improve tranquility and controllability of an iron core-equipped permanent magnet motor with an improvement of a maximum energy product (BH)max by improving a shape compatibility of a...
US20070052312 Permanent magnetic motor  
A motor in different embodiments with a rotatable torque created by permanent magnets having stator and rotor assemblies, each comprising peripherally disposed permanent magnets spaced apart with...
US20090189470 Flux-Focused Shaped Permanent Magnet, Magnetic Unit Having the Magnets, Device Having the Magnetic Units and Method for Asymmetrically Focusing Flux Fields of Permanent Magnets  
A flux-focused, shaped permanent magnet includes a body of magnetic material having multiple surface contouring to form a reduced flux side with convex surfaces and an increased flux side with...
US20100066192 RADIAL-DIRECTION GAP TYPE MAGNET MOTOR  
In a radial-direction gap type magnet motor, when an energy density increases, a direction change Mθ/φp of a static magnetic field with respect to a mechanic angle between different poles...
US20100225192 Printed circuit board and method of manufacturing the same  
A permanent magnet rotor of a brushless direct current (BLDC) motor, in which cogging torque ripple and electromagnetic vibration noise transferred to the permanent magnet rotor can be blocked and...
US20150137647 BRUSHLESS ELECTRIC MOTOR/GENERATOR  
Disclosed are various embodiments for a motor/generator comprising: a rotor adapted to rotate about a longitudinal axis, the rotor comprising a first partial toroidal magnetic cylinder defining a...
US20130119790 ELECTRIC MOTOR  
An electric motor has a wound stator and a permanent magnet rotor. The rotor has a plurality of rotor core portions and a plurality of permanent magnets, the rotor core portions and the permanent...
US20150054390 ELECTRICALLY DRIVEN MOTORCYCLE  
The invention relates to an electrically driven motorcycle (1) comprising at least one electrical machine (4), which has a stationary stator (6) and a rotatably mounted rotor (7), wherein said...
US20120091848 PERMANENT MAGNET ELECTRIC MOTOR  
An increase of the magnetization current can be prevented during demagnetization and magnetization, and a variable speed operation can be achieved at a high power output over a wide range of from...
US20130127285 MULTIPLE POLE SPHERICAL STEPPING MOTOR AND MULTIPLE POLE SPHERICAL AC SERVO MOTOR  
Provided is a means for mitigating strict constraints between a virtual polyhedron inscribed in a rotor and a virtual polyhedron inscribed in a stator of a spherical stepping motor and a spherical...
US20140265706 HALF PERMANENT MAGNET MOTOR  
A motor includes a rotor and a stator. The rotor includes a plurality of magnets, which function as first magnetic poles, and salient poles, which function as second magnetic poles. A ratio X1:X2...
US20110057533 ROTATING ELECTRICAL MACHINE  
This invention provides a rotating electrical machine including a rotor that has an even number of first permanent magnets aligned in a circumferential direction of the rotor, second permanent...
US20150001980 EFFICIENT ELECTRIC MACHINE  
An electric machine having a stator and a rotor which is mounted so as to be rotatable about a rotor axis and has a rotor body, in which at least two permanent magnets are arranged in receptacles,...
US20080036327 Rotor for Electric Motor  
A rotor for an electric motor includes a rotor core formed by axially stacking a plurality of magnetic steel plates and a plurality of axially extending magnet insertion holes, and a magnetic...
US20070252466 Electrical machines with reduced cogging  
The present invention provides an electrical machine 1 with reduced cogging. The magnet poles 3 of the electrical machine are comprised of at least two separate groups of at least two...
US20060061226 Permanent magnet-type motor  
A permanent magnet-type motor includes a stator, on which coils are wound; and a rotor located on the inside of the stator, and having a plurality of magnet pairs arranged at positions thereof...
US20110025239 Electro-motive machine using halbach array and electrons trapped in electromagnetic providing current  
A Halbach array is radially disposed in an environment optimized for efficiency and controlled for efficient generation and use of power in order to generate, establish, and maintain a desired...
US20110018484 Stepping motor with a coded pole pattern  
The present invention relates to a stepping motor with a magnet pole pattern having a predetermined pattern around the circumference of the stepping motor. In one embodiment, the pattern relates...
US20100171384 ELECTRO-MAGNETIC MOTOR GENERATOR SYSTEM  
An electro-magnetic motor-generator system, comprising a wheel assembly having a wheel mounted onto a shaft. The shaft has a sleeve mounted thereon. A frame assembly is mounted onto the sleeve....
US20150069876 VARIABLE MAGNETIC FLUX MOTOR  
Disclosed therein is variable magnetic flux motor, which includes a rotor and a stator located inside the rotor. The rotor includes a rotor housing, a plurality of unit rotor cores and magnets...
US20050225192 Rotor arrangement for an electric machine  
A rotor arrangement for an electric machine having a rotor body and permanent magnets embedded in the rotor body, the permanent magnets comprising a large number of individual anisotropic magnets...
US20140354104 ROTOR FOR A ROTARY ELECTRIC MACHINE AND ROTARY ELECTRIC MACHINE COMPRISING SUCH A ROTOR  
A rotor (1) comprising a plurality of alternating magnetic poles formed by permanent magnets (3) distributed regularly between a circumferential portion (5) and a central portion (6) of the...
US20150171694 HALBACH MOTOR AND GENERATOR  
A motor includes two magnetically coupled, coaxially-nested Halbach cylinder rotors, one of which passes through a toroidal series of at least two stator coils while the other is attached to an...
US20050023917 Electric motor and method for producing the motor  
An electric motor has improved electrical, magnetic, and mechanical properties, and especially favorable mass-power ratio, as well as an economical method for producing the novel motor. The...
US20150054368 MOTOR  
A motor includes a rotor module and a stator module. The rotor module includes a plurality of first magnet units, a plurality of second magnet units, a hollow magnetic conductance pillar and a...

Matches 1 - 50 out of 115 1 2 3 >