| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 310216106 | Having flux guide | 19 |
| 20090200892 | MAGNETIC PATH CLOSED ELECTRIC GENERATOR - A magnetic path closed electric generator includes a base ( | 08-13-2009 |
| 20100019614 | SYNCHRONOUS MACHINE AND ALSO METHOD FOR MANUFACTURING SUCH A SYNCHRONOUS MACHINE - A synchronous machine ( | 01-28-2010 |
| 20100156234 | INTERIOR MAGNET MACHINE WITH REDUCED COGGING - An interior permanent magnet machine has non-contiguous, non-magnetic radial slots between the magnets and the cylindrical periphery and the magnets have non-magnetic radial end slots. | 06-24-2010 |
| 20100213787 | MAGNETIC FLUX CONDUCTING UNIT - The present invention relates to a magnetic flux conducting unit ( | 08-26-2010 |
| 20100253177 | Multi-pattern high temperature superconducting motor using flux trapping and concentration - A high temperature superconducting synchronous motor having an inductor topology that increases the air gap flux density in direct relation to motor power density by trapping flux and concentrating it in the air gap to obtain more power in the same volume or smaller volume for the same power, and whose geometry enables the induction motor to be lighter than superconducting motors without the inductor topology, the motor being positioned in a housing, and the motor comprising:
| 10-07-2010 |
| 20100308686 | CURRENT-ENERGIZED SYNCHRONOUS MOTOR, PARTICULARLY FOR VEHICLE DRIVES - The invention relates to a current-energized synchronous motor ( | 12-09-2010 |
| 20120013217 | MAGNETIC FLUX CARRYING SLEEVE MEMBER FOR AN ELECTRIC MACHINE - An electric machine including a housing and a stator arranged within the housing. The stator includes a body having a first end that extends to a second end through an intermediate portion. The intermediate portion includes an inner diametric surface and an outer diametric surface. A sleeve member is arranged on the outer diametric surface of the stator. The sleeve member includes body member having an inner diametric region that extends to an outer diametric region through an intermediate region. The sleeve member defines a flux carrying member having a magnetic flux flow path that passes magnetic flux from the stator to the outer diametric region. | 01-19-2012 |
| 20120104895 | HIGH POWER DENSITY SRM - An electromagnetic machine stator has a common pole and a plurality of excitation poles. Each excitation pole has a coil wound around it for inducing a magnetic flux through the excitation pole. The common pole that does not have a coil wound around it for inducing a magnetic flux. A flux barrier, disposed within the common pole, inhibits the flow of flux from one part of the common pole across the flux barrier to another part of the common pole. The flux barrier is less conducive to the flow of flux than is the common pole. | 05-03-2012 |
| 20120175994 | Magnetically Isolated Phase Interior Permanent Magnet Electrical Rotating Machine - A magnetically isolated phase stator includes a stator phase section with two sides and a magnetically inactive isolation region on each side that prevents a permanent magnetic field from being shared from the stator phase section and another stator phase section of the stator. A magnetically isolated phase interior permanent magnet electrical rotating machine includes a magnetically isolated phase stator, a rotor, and an air gap between the stator and rotor defining a rotor-stator interface, the rotor having two or multiples of two permanent magnets arranged in parallel with opposing magnetic poles to direct magnetic flux through a pole of the rotor, through the air gap of the rotor-stator interface, and through a pole of the stator. | 07-12-2012 |
| 20120200193 | ROTOR FOR ROTARY ELECTRIC MACHINE - In a rotor for a rotary electric machine, a plurality of magnetic poles are provided in a radially outer portion of the rotor iron core, at intervals in the circumferential direction. Each magnetic pole includes a pair of permanent magnets disposed apart from each other in the circumferential direction, and a magnetic flux-restraining hole that is formed and extended radially inwardly between radially inner end portions of the permanent magnets and that restrains flow of magnetic flux. The magnetic flux-restraining hole is extended so as to project beyond a position of the radially inner end portions to a radially outer side, between the pair of permanent magnets. | 08-09-2012 |
| 20130026877 | MOTOR - A motor has a plurality of permanent magnet pieces aligned is such a manner as to surround an armature core and a magnetic-flux guide ring disposed between the permanent magnet pieces and the armature core for introducing a magnetic flux from the permanent magnet pieces to the armature core. The magnetic-flux guide ring has a confronting portion confronting each of the magnet pieces, an aperture formed in the confronting portion, and a connecting portion connecting adjacent two confronting portions. The aperture is formed in such a manner as to confront a boundary of adjacent magnet pieces. | 01-31-2013 |
| 20130076196 | STATOR CORE AND SPINDLE MOTOR INCLUDING THE SAME - There is provided a stator core formed by stacking a plurality of single core sheets, each including a coreback having a central hole formed therein, a plurality of tooth parts extended from the coreback in a radial direction, and extension parts extended from the plurality of respective tooth parts in a circumferential direction, wherein at least one of the plurality of single core sheets includes through-holes formed therein in order to reduce cogging torque, the through-holes being formed in the extension parts. | 03-28-2013 |
| 20130099622 | STATOR CORE AND SPINDLE MOTOR INCLUDING THE SAME - There is provided a stator core including: a coreback having an installation hole formed therein; a plurality of teeth extended from the coreback in a radial direction; and extension parts, each extended from each of the plurality of teeth in a circumferential direction and having a through-hole formed therein to reduce cogging torque. | 04-25-2013 |
| 20130119818 | CANNED MOTOR FOR REDUCING COGGING TORQUE - Disclosed is a canned motor for restraining a cogging torque from being generated by inserting magnetic metal pins into slot openings of a stator, thereby reducing noise and vibrations during an operation of the canned motor. The canned motor includes: a can inserted into a housing to seal a coil mounted within the housing; and a stator installed on an outer peripheral surface of the can and inserted along an inner peripheral surface of the housing. A plurality of fixing guides protrude from an outer peripheral surface of the can and metal pins are inserted into the fixing guides to be integral with the fixing guide, such that the metal pins are inserted into and attached to slot openings of the stator when inserted into the stator. | 05-16-2013 |
| 20150054380 | ROTATING ELECTRIC MACHINE - A rotating electric machine that is equipped with a stator that has teeth which are formed between adjoining slots and coils which are wound around the teeth, and a rotor that has magnetic pole sections at multiple aperture sections which are arranged in the circumferential direction, wherein magnetic flux saturation facilitating sections such as grooves for further facilitating magnetic flux saturation in magnetic flux saturation regions are provided at least on the stator or on the rotor at positions close to the magnetic flux saturation regions of the stator or the rotor in order to reduce torque ripples of the rotating electric machine. | 02-26-2015 |
| 20150123510 | ELECTRIC MACHINE - The proposed arrangement relates to an electric machine comprising a stator ( | 05-07-2015 |
| 310216107 | For reluctant rotor core | 3 |
| 20130119819 | Rotor Disk With Spoke Openings - A rotor disk for a rotor of a synchronous reluctance machine consists of a disk body material with high magnetic permeability. In order to improve the ability of the rotor disk to stand centrifugal and thermal loads, spokes extending in radial direction between a shaft opening and a disk periphery are provided with spoke openings. These openings extend over a wide distance both in circumferential direction and in radial direction to worsen the heat conducting properties of the spokes and to render the spokes less stiff. | 05-16-2013 |
| 20150303748 | ROTOR FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE INCLUDING THE SAME - A rotor as disclosed for an electric machine which includes a rotor core having a plurality of rotor sheets stacked in an axial direction, each of the plurality of rotor sheets having a plurality of flux paths made of a material of high permeance, a plurality of flux barriers made of a material of low permeance, a plurality of bridges made of a material of high permeance, each of the plurality of bridges extending across a corresponding flux barrier, and at least one axial magnet located axially adjacent a corresponding bridge and configured to saturate the corresponding bridge, each axial magnet being axially pressed between two elements at least one of which is a bridge corresponding to the axial magnet. | 10-22-2015 |
| 20150372546 | MECHANICALLY STABILIZED ROTOR FOR A RELUCTANCE MOTOR - A rotor for a reluctance motor includes a laminated core having a number of rotor sheet metal blanks. Each rotor sheet metal blank includes flux barriers cast with a non-ferromagnetic casting compound and at least one soft-magnetic rotor sheet which delimits the flux barriers. Flux barriers of adjacent rotor sheet metal blanks are arranged offset relative to one another so that the flux barriers of one of the adjacent rotor sheet metal blanks are delimited in an axial direction at least partially by the rotor sheets of the other one of the adjacent rotor sheet metal blanks, with the casting compound of the flux barriers adhering in an adhesion zone to the rotor sheets. | 12-24-2015 |
