Class / Patent application number | Description | Number of patent applications / Date published |
310156020 | Transverse flux | 22 |
20080211336 | Rotating Transverse Flux Machine - A transverse flux rotating machine including a first interacting part including an electric winding and a second interacting part including a plurality of magnetic poles. The first and second interacting parts are movable relative to each other and defining between them an airgap. | 09-04-2008 |
20080218021 | ROTOR ARRANGEMENT FOR A UNILATERAL TRANSVERSE FLUX MACHINE WITH FLUX CONCENTRATION - The invention relates to a rotor arrangement for a unilateral transverse flux machine with flux concentration which is in interaction via an air gap with a coaxially arranged stator arrangement with stator poles and interposed annular winding, and comprises rotor pole shoes in the circumferential direction with interposed permanent magnets with changing poling, characterized in that a rotor pole unit with rotor pole shoes is provided for each stator pole unit of the stator pole arrangement, with adjacent rotor pole shoes of one phase being connected with one keeper ( | 09-11-2008 |
20080246362 | Radial airgap, transverse flux machine - A radial gap, transverse flux dynamoelectric machine comprises stator and rotor assemblies. The rotor assembly comprises at least two axially spaced, planar rotor layers having equal numbers of magnetic poles of alternating polarity disposed equiangularly about the rotor peripheral circumference. A magnetically permeable member optionally links adjacent rotor magnets. The stator assembly comprises a plurality of amorphous metal stator cores terminating in first and second polefaces. The cores are disposed equiangularly about the peripheral circumference of the stator assembly with their polefaces axially aligned. Respective first and second polefaces are in layers radially adjacent corresponding rotor layers. Stator windings encircle the stator cores. The device is operable at a high commutating frequency and may have a high pole count, providing high efficiency, torque, and power density, along with flexibility of design, ease of manufacture, and efficient use of magnetic materials. | 10-09-2008 |
20080258573 | Rotor of Rotating Electric Machine, Rotating Electric Machine and Vehicle Drive Apparatus - There are provided a rotor of a rotating electric machine that can implement high-speed rotations with improved energy efficiency, as well as the rotating electric machine and a vehicle drive apparatus. The rotor of the rotating electric machine includes two magnets arranged within an electrical angle in the range of 127° to 140°, the electrical angle having its center at the center of rotations of the rotor, and the magnets being arranged along a V-shape with its acute end facing toward the center of rotations. The rotor further includes a rotor body having two openings housing the two magnets respectively. The rotor body has a support portion placed at the acute end of the V-shape and serving as a partition between the two openings. | 10-23-2008 |
20090026866 | TRANSVERSE FLUX MACHINE AND METHOD FOR MANUFACTURING SAME - A transverse flux machine with a primary part and a secondary part ( | 01-29-2009 |
20110043064 | TRANSVERSE FLUX ROTARY MACHINE AND SWITCHING DEVICE EQUIPPED WITH SUCH A MACHINE - A rotary machine including two coaxial parts, the first part including an intermediate part, an energizing coil, and fingers distributed around the circumference of the intermediate part with a constant finger pitch and directed alternately in opposite directions. The fingers are positioned so as to interlace over part of the coil. The second part includes a permanent magnet and two lateral parts mounted substantially coaxially, the lateral parts being secured to the permanent magnetic part so as to have opposite polarities, the lateral parts including protrusions distributed around the circumference of the lateral parts and arranged in alternation on one and the other of the lateral parts with a protrusion pitch substantially equal to the finger pitch. A control device can be equipped with such a rotary machine. | 02-24-2011 |
20110169365 | TRANSVERSE AND/OR COMMUTATED FLUX SYSTEMS CONFIGURED TO PROVIDE REDUCED FLUX LEAKAGE, HYSTERESIS LOSS REDUCTION, AND PHASE MATCHING - Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve increased efficiency, increased output torque, and/or reduced operating losses via use of extended magnets, overhung rotors, and/or stator tooth overlap. Extended magnets may reduce flux leakage between adjacent flux concentrators. Overhung rotors may reduce flux leakage, and may also facilitate voltage balancing in polyphase devices. Stator tooth overlap may reduce hysteresis losses, for example losses in flux concentrating portions of an electrical machine. | 07-14-2011 |
20110169366 | TRANSVERSE AND/OR COMMUTATED SYSTEMS HAVING PHASE OFFSET - Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve reduced overall cogging torque via implementation of a sixth-phase offset. Individual cogging torque waveforms in the electrical machine may be evenly distributed across one-sixth of a voltage phase or other suitable spacing, resulting in a reduced magnitude and/or increased sinusoidality of the overall cogging torque waveform for the electrical machine. | 07-14-2011 |
20110304233 | ELECTRIC MACHINE HAVING A ROTOR - The invention relates to an electric machine, particularly a transversal flux machine, comprising a rotor ( | 12-15-2011 |
20130113320 | TRANSVERSE AND/OR COMMUTATED FLUX SYSTEMS HAVING MULTIDIRECTIONAL LAMINATIONS - An electrical machine stator assembly comprises: an electroconductive coil arranged circumferentially with respect to the rotational axis; a plurality of pairs of side lamination assemblies arranged circumferentially with respect to the rotational axis; a plurality of pairs of switch lamination assemblies arranged circumferentially with respect to the rotational axis and positioned adjacent ends of side lamination assemblies proximal the rotor; and at least one tooth associated with each switch lamination assembly and proximal the rotor. Each switch lamination assembly comprises a first group of laminated materials aligned generally circumferentially and generally in a first direction with respect to the rotational axis, the first direction being one selected from the group consisting of the axial and radial directions with respect to the rotational axis. Each side lamination assembly comprises a second group of laminated materials aligned generally axially and generally radially with respect to the rotational axis. | 05-09-2013 |
20130169096 | TRANSVERSE AND/OR COMMUTATED FLUX SYSTEMS HAVING PHASE OFFSET - Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve reduced overall cogging torque via implementation of a sixth-phase offset. Individual cogging torque waveforms in the electrical machine may be evenly distributed across one-sixth of a voltage phase or other suitable spacing, resulting in a reduced magnitude and/or increased sinusoidality of the overall cogging torque waveform for the electrical machine. | 07-04-2013 |
20130234554 | TRANSVERSE FLUX MACHINE APPARATUS - An object of the invention is to provide a transverse flux machine apparatus (TFMA) with simple and economical core structure. The TFMA employs a core having laminated iron plates. The core has left diagonal portions and right diagonal portions for forming the 3D flux passages. A plurality of the 3D structures employs laminated iron cores with diagonal portions. By means of employing the diagonal portions, the core looks like a centipede. The centipede-like TFM called CTFM can have a plurality of types. A plurality of motor structure and a plurality of driving means are proposed for the CTFM. | 09-12-2013 |
20140035417 | ROTATABLE TRANSVERSE FLUX ELECTRICAL MACHINE - The invention concerns a rotatable transverse flux electrical machine (TFEM) comprising a stator portion; and a rotor portion rotatably located in respect with the stator portion, the rotor portion including an alternate sequence of magnets and concentrators radially disposed about a rotation axis thereof; the stator portion including at least one phase, the at least one phase including a plurality of cores cooperating with a coil disposed about the rotation axis, each core including a skewed pair of poles to progressively electromagnetically engage an electromagnetic field of respective cooperating concentrators. The invention is also concerned with a plurality of elements located in desired positions in the TFEM and also with a linear TFEM. | 02-06-2014 |
20140062242 | TRANSVERSE FLUX PERMANENT MAGNET ROTATORY DEVICE - A transverse flux motor ( | 03-06-2014 |
20140103767 | TRANSVERSE FLUX ELECTRICAL MACHINE ROTOR - A rotatable transverse flux electrical machine (TFEM) comprising a stator portion and a rotor portion operatively disposed inside the stator portion is described therein, the rotor portion comprising a plurality of magnets and concentrators alternatively affixed in a cylindrical arrangement to a non-magnetic magnets-and-concentrators supporting frame, the non-magnetic magnets-and-concentrators supporting frame being operatively secured to an axial shaft concentrically aligned with a rotational axis of the rotor portion. | 04-17-2014 |
20140125181 | Magnetic Field-Modulated Transverse Flux Multiphase Permanent Magnet Motor - A magnetic field-modulated transverse flux multiphase permanent magnet motor consisting of a stator and a rotor. A number m of phase armature units are arranged in a row along the axial direction within a motor housing ( | 05-08-2014 |
20140265698 | Electric Generator with a Transverse Magnetic Field - An electric generator with a transverse magnetic field has an enclosing unit, a rotor unit and a stator unit. The rotor unit is mounted in the enclosing unit and has multiple pairs of permanent magnets. The stator unit has multiple magnetizers. Each magnetizer is wound around by a winding, and has two magnetizing blocks oppositely mounted on two ends of the magnetizer to correspond to a corresponding pair of permanent magnets. When the rotor unit is rotated, a magnetic field passes through the magnetizing blocks and the winding on each magnetizer to generate power. The electric generator is a single-phase or multi-phase electric generator depending on whether a pair number of the permanent magnets is or is not equal to a number of the magnetizers. As having multiple magnetizers and multiple windings, the stator unit can increase a total magnetic flux passing therethrough for the electric generator to generate more power. | 09-18-2014 |
20140306568 | LOW SPEED ELECTROMAGNETIC TURBINE - Various configurations of an electrometric turbine are discussed. In one possible arrangement the turbine is a radial drum type turbine | 10-16-2014 |
20140354101 | ELECTRIC MOTOR - A rotor is formed with a partition wall interposed between a first magnetic body and a second magnetic body. Projections of the partition wall block gaps between salient poles of the first magnetic body and salient poles of the second magnetic body which are arranged at shifted positions when seen in an axial direction of a rotating shaft to shield a flow of air flowing in the axial direction. Notches are formed in parts other than the gaps to decrease a volume thereof and to reduce inertia thereof. | 12-04-2014 |
20140361653 | HIGH TORQUE DENSITY ELECTRICAL MACHINE - An electrical machine includes a rotor comprising a rotor core and a plurality of permanent magnets embedded radially within the rotor core to form a plurality of rotor poles. The electrical machine further includes a stator comprising a stator core disposed concentrically outside the rotor and including a plurality of stator teeth defining a plurality of stator slots there between. An arithmetic sum or difference of twice the number of stator teeth and the number of the stator poles equals the number of rotor poles. | 12-11-2014 |
20150340912 | Metal Ribbon Stator and Motor Comprising Same - A stator made from a ribbon of metal having multiple layers of slit metal, and motors made therefrom are described. A ribbon having multiple layers of metal is formed into a stator such as by flattening or pleating the ribbon to form each pole of a stator having a plurality of stator teeth, or poles. The stator formed from the metal ribbon may be configured into any suitable type of motor, such as an axial transverse flu motor. A magnetic flu return may also be made out of metal ribbon. | 11-26-2015 |
20160380489 | MULTIPLE-VECTOR INDUCTIVE COUPLING AND ELECTRIC MACHINE - The present invention relates to electric machines (EM), such as electric motors and electric generators, which convert electrical energy into mechanical energy and mechanical energy into electricity respectively, including linear motion EMs, curvilinear motion EMs and rotary (turning) motion EMs. More particularly, the present invention relates to an EM induction method and device, said induction system comprising two main magnetic coupling subsystems, for example a subsystem comprising permanent magnets and a subsystem comprising electromagnets. Thus, EM induction system comprises at least one special feature chosen from the group consisting of the following kinds (a)-(c): | 12-29-2016 |