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US20110254386 |
POWER GENERATOR WITH HIGH POWER-TO-VOLUME RATIO
A power generator with high power-to-volume ratio includes a plurality of silicon steel plates and air gaps or plastic plates, which are alternately arranged to form adjacent magnetic paths of a... |
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US20110221283 |
MOVER, ARMATURE, AND LINEAR MOTOR
A mover configured such that a plate-like magnet magnetized in one longitudinal direction, a soft magnetic element, a plate-like magnet magnetized in the other longitudinal direction, and the soft... |
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US20130334901 |
IRONLESS ELECTRICAL MACHINES WITH INTERNAL WATER COOLED WINDING BETWEEN TWO MAGNET ROWS
The invention provides ironless electrical machines with internal water cooled winding between two magnet rows. The winding with internal water cooling has very high heat dissipation and... |
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US20060108878 |
Linear motor and stator core therefor
A linear motor comprising a stator core and/or a mover. The stator core of said linear motor comprising an inner perimeter, an outer perimeter essentially encircling the inner perimeter, a first... |
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US20090152957 |
Electric machinery of magnetic pole or magnetic circuit wrapped PM magnetic pole
An electric machinery provided with a PM magnetic pole wrapped by a permeable polar face and a magnetic circuit from an individual magnetic pole provides an innovative design of having disposed... |
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US20090152956 |
Electric machinery with a conduction winding excited magnetic poles wraps PM magnetic pole
An electric machinery provided with a PM magnetic pole wrapped by conduction winding excited magnetic poles is related to an innovative design of having a PM magnetic pole wrapped by individual... |
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US20100052437 |
Linear Motor With Patterned Magnet Arrays
An armature for a linear motor is described. The armature includes a first of a pair of magnetic structures comprising a first plurality of maglettes each having a magnetic polarity vector; an... |
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US20080129125 |
Flux-reversal linear motor
A linear motor comprising a primary element provided with at least one primary tooth around which a respective winding is arranged that is adapted to conduct a variable electric current,... |
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US20080136268 |
Electromotor Having a Segmented Part Made Up of a Plurality of Laminated Cores, and Method For Joining the Laminated Cores
An electromotor, in particular a linear motor, includes a segmented part formed by elementary laminated cores. On the side of a transition to an adjacent elementary laminated core, each elementary... |
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US20140225459 |
MOVER AND LINEAR MOTOR
A mover, in which at each outer surface of a cornered tubular inner yoke, a flat plate magnet magnetized from inside to outside in a direction perpendicular to the outer surface, a flat plate... |
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US20110278958 |
MOVER AND LINEAR MOTOR
A mover, in which at each outer surface of a cornered tubular inner yoke, a flat plate magnet magnetized from inside to outside in a direction perpendicular to the outer surface, a flat plate... |
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US20070278866 |
SLIDING SYSTEM WITH ONBOARD MOVING-MAGNET LINEAR MOTOR
A sliding system has a coil spring to keep balance in weight when a table moves up and down on the bed placed in upright posture. The sliding system is comprised of a bed, a table allowed to move... |
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US20080211322 |
Multipolar, Linear or Rotating Synchronous Direct Drive Motor
The invention relates to a multipolar, linear or rotating synchronous direct drive motor which comprises a primary part and a secondary part. The primary part comprises a yoke and a plurality of... |
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US20060087180 |
Bi-directional operating compressor using transverse flux linear motor
Disclosed herein is a bi-directional operating compressor using a transverse flux linear motor, the compressor comprising: a pair of stators including a plurality of U-shape upper stator iron... |
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US20060125326 |
Linear motor
Linear motor (10) comprising a rotor (13), having a plurality of teeth (21, 22), wherein each pair of adjacent teeth (21, 22) defines a corresponding compartment (23) inside which at least a... |
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US20080030081 |
Linear or Curved Mobile Motor and its Radiator
A radiator for a linear or curved mobile motor for removing the thermal distortion of a mover and a transporting member of a linear or curved mobile motor, and a high-accuracy, high-reliability... |
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US20090096297 |
Linear motor, drive stage, and XY drive stage
A linear motor is provided in which a magnetic attracting force acting between a stator and a mover is mechanically cancelled by arrangement of armature units, and can be easily assembled. The... |
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US20090127941 |
LINEAR DRIVE WITH A MOVING, REDUCED-MASS AND LATERALLY GUIDED PASSIVE UNIT
The invention relates to a linear drive having a stationary active unit (1), a stationary return flow element (11), a movably mounted passive unit in the form of a thin tooth rack (10) and a... |
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US20080001483 |
Cylindrical linear motor and a vehicle using the same
The present invention provides a cylindrical linear motor that can develop great thrust and reduce thrust pulsations. The cylindrical linear motor includes a stator 1 and a movable element 10... |
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US20140091645 |
LINEAR ACTUATOR
A linear actuator includes an inner core, and an outer core that is provided outside the inner core in a radial direction while being supported by a pair of flat springs. Permanent magnets are... |
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US20120049657 |
LINEAR MOTOR
A linear motor includes a field including main-magnetic-pole permanent magnets magnetized in a direction of a generation magnetic field, and sub-magnetic-pole permanent magnets magnetized in a... |
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US20080246346 |
Electromagnetic Device For Converting Mechanical Vibrational Energy Into Electrical Energy
An electromagnetic generator comprising two magnets and a coil disposed therebetween, the two magnets being configured to define therebetween a region of magnetic flux in which the coil is... |
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US20110248579 |
LINEAR MOTOR
A linear motor including magnetic-pole teeth which pinch and hold permanent magnets deployed in a displacer, a plurality of iron cores used for continuously connecting the magnetic-pole teeth,... |
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US20130002052 |
MAGNETIC STATOR ASSEMBLY
An electric device including: a stator assembly; and an actuator including a coil having an axis, wherein the stator assembly includes: a stator core arranged along a linear axis, the stator core... |
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US20080218004 |
MOVING-MAGNET TYPE LINEAR MOTOR
A moving-magnet type linear motor is provided with cooling blocks which are attached to each of stator bases alongside a coreless coil and which allow coolant to flow therethrough for cooling the... |
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US20080211323 |
Magnetic actuator device
The magnetic actuator device of the invention comprises a magnetic field generator external to the duct and a permanent magnetic field generator internal to the duct, separated from the magnetic... |
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US20100308669 |
STATOR MECHANISM OF LINEAR MOTOR
A stator mechanism of linear motor. The stator mechanism includes multiple magnetic members. The magnetic members are sequentially arranged along a predetermined straight line with the magnetic... |
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US20080211436 |
Measuring Apparatus with a Measuring Head for Determining the Position of a Primary Part on a Secondary Part and Method for Determining the Position of a Primary Part on a Secondary Part wtih a Measuring Head
The invention relates to a measuring apparatus comprising a sensing head (15) for determining the position of a primary part (27) on a secondary part. The sensing head (15) is fixedly connected to... |
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US20060108877 |
Extensible coil for biaxial driver
A biaxial driver includes an induction coil that is moveable in two dimensions and a linearly oriented magnet. A payload platform for holding a tool or workpiece is attached to the moveable coil.... |
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US20090066168 |
VERTICAL ACTUATOR HAVING A GRAVITY COMPENSATION DEVICE
A vertical actuator has a stationary part that includes an upper part made of magnetic material which is magnetically separated from a yoke which bears a coil. The upper magnetic part generates an... |
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US20050248218 |
Laminated stator core for a linear motor
A laminated stator core for a linear motor, in particular for a magnetic levitation transportation system, includes stacked stamped sheet-metal laminates. At least some of the sheet-metal... |
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US20110210686 |
ELECTRIC MACHINE
An electric machine including: a first part, being a stator or rotor/runner, including a first segment with a first number of mutually spaced poles; a second part, being a rotor/runner or stator,... |
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US20090033157 |
CYLINDRICAL LINEAR MOTOR
The cylindrical linear motor includes: a stator 1 that has a plurality of coils 5 coiled in a cylindrical shape and arranged in an axial direction on an inner side of a metal pipe 4; a mover 2... |
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US20090121558 |
Flexible Electromagnetic Valve Actuator Modeling and Performance
The system contains a first planar permanent magnet having a first direction of magnetization and a first opening formed therein. A second planar permanent magnet has a second direction of... |
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US20080246350 |
Secondary Part of a Linear Electrical Machine, and Method for its Production
The invention relates to a secondary part (2, 3) of a linear electrical machine (5), wherein the secondary part (2, 3) has permanent magnets (11) and a mount (13). The secondary part (2, 3) has... |
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US20070176496 |
Device for Moving a Body Linearly Between Two Predetermined Positions
A device (1) suitable for moving a body (2) along a linear path (F) between two predetermined positions, and comprising: first and second electromagnets (5, 8) respectively having first and second... |
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US20110219989 |
LINEAR MOTOR AND TABLE FEED APPARATUS
A linear motor includes a field magnet unit, an armature unit, and a connecting unit. The field magnet unit includes a first field magnet yoke and a second field magnet yoke each of which has an... |
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US20090058200 |
Linear Drive with a Reduced Axial Force Component, as Well as a Linear Compressor and Refrigerator
A linear drive including a stator and a rotor configured for linear reciprocal movement along an axis, with the stator having a magnetic-field guide core having a plurality of legs extending each... |
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US20110198945 |
LINEAR ACTUATOR
A linear actuator, wherein a permanent magnet is reliably prevented from being damaged. In a first linear actuator, the width of a gap between a first contact section and a second contact section... |
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US20090009010 |
Low-Noise, High-Speed, High Precision and High-Thrust Flux Reversal Motor for Linear or Rotary Motion System
Disclosed herein is to a flux reversal motor. The flux reversal motor includes a mover, and a plurality of permanent magnets. The mover moves linearly relative to a stator. A plurality of... |
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US20070278863 |
Moving Magnet Type Linear Actuator
A moving magnet type linear actuator long in service life having no effect on a linear guide even in the case of performing a highly-frequent acceleration/deceleration operation is provided. In a... |
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US20080174185 |
Detent Force Correcting
An apparatus comprises a linear electromagnetic actuator which has a series of ferromagnetic poles, coils, and a series of permanent magnets to interact with the poles to induce movement of the... |
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US20090152959 |
SECONDARY PART OF A LINEAR DRIVE
A secondary part of a linear drive, in particular of a cylindrical or planar linear drive, has permanent magnets arranged on a soft-magnetic mount in perpendicular relationship to the movement... |
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US20060028070 |
High force density linear electric motor
Linear electric motor or actuator comprising a movable part (21) consisting of a soft-magnetic core (22) which supports a set of electrically conductive turns (25), which movable part is slidably... |
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US20090072633 |
HIGH PERFORMANCE LINEAR MOTOR AND MAGNET ASSEMBLY THEREFOR
A magnet assembly includes a back iron and an array of magnets. The back iron is in the form of a plate having opposed surfaces. The magnets are arranged along one of the surfaces, with the other... |
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US20080309260 |
Shaft Type Linear Motor, Mounting Head and Component Mounting Device With the Linear Motor, and Position Detection Method for Shaft for Driving the Linear Motor
A shaft type linear motor including a stator in which plural hollow cylindrical coils are disposed so that the center through holes thereof are arranged linearly so as to form a shaft insertion... |
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US20080290740 |
Primary Part of a Linear Motor and Linear Motor Therewith
The invention relates to a linear motor and in particular a primary part of the linear motor for the movement of a secondary part, with a plurality of coils for inducing a magnetic field... |
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US20070257563 |
Heat Dissipating Arrangement for a Linear Motor
A heat dissipating arrangement for a linear motor comprises: a stator having a predetermined length for forming a travel length, and a mover. A plurality of magnets is arranged in pairs on two... |
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US20140035394 |
LINEAR TRANSVERSE FLUX ELECTRICAL MACHINE
The invention concerns a linear transverse flux electrical machine (TFEM) comprising a fixed portion; and a movable portion located in respect with the fixed portion, the movable portion including... |
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US20100013327 |
ELECTRICAL MACHINE WITH NONUNIFORM POLE TEETH
Electric machines which are excited with permanent magnets are to be improved in terms of their smoothness of operation and their loss properties. For this purpose, an electric machine is proposed... |