Matches 1 - 40 out of 40


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US20060091735 Linear compressor  
Disclosed herein is linear compressor. The linear compressor comprises a cylinder, a piston disposed to linearly reciprocate into the cylinder, and a linear motor provided to linearly reciprocate...
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...
US20060181158 Cylindrical linear motor, electromagnetic suspension, and vehicle using the same  
A cylindrical linear motor, an electromagnetic suspension, and a vehicle using the same, which can generate a large thrust and reduce torque pulsations and cogging torque. The cylindrical linear...
US20060049701 Linear actuator  
The present invention is directed to provide a linear actuator capable of propagating magnetic force of a stator magnet within a yoke in a smooth manner so as to form a superior magnetic path. A...
US20080157607 Linear unit  
The present invention relates to a linear unit comprising at least one guide rail 12, at least one substantially U shaped carriage 40 displaceable on the guide rail 12, and a transverse support...
US20060125327 Linear motor  
A linear motor (10) comprises a field portion (20) and an armature (15) arranged in predetermined spaced relation with the field portion and adapted to linearly move along the field portion. The...
US20060267415 Dual linear electrodynamic system and method  
An exemplary description provided for patent searches includes a linear electrodynamic system involving conversions between electrical power and mechanical motion uses unique magnet assemblies...
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...
US20070170877 ACTUATOR  
An actuator includes a casing, a stationary member having a coil member and mounted in the casing and a movable member having a moving element and supported by the casing. The moving element has a...
US20080073982 Magnetic Guide Apparatus, Stage Apparatus, Exposure Apparatus, and Device Manufacturing Method  
A magnetic guide apparatus includes a guide member that has a guide plane provided along a first direction, and a moving body that has a facing plane facing the guide plane to be spaced apart from...
US20050104456 Electromagnetic actuator  
An electromagnetic actuator comprises: a fixed core of a magnetic material provided with one pair of pole teeth, which are cylindrical and face each other; exciting coils wound on the fixed core;...
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...
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...
US20060220473 Linear motor and process for manufacturing the same, linear compressor, and stirling engine  
A linear motor device includes an inner yoke, an outer yoke, a coil-wound body and a movable magnet portion, first and second clamp rings for clamping the outer yoke, and a spacer for coupling the...
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...
US20080048506 Electromotive device  
An electromotive device, operable in either a generator or motor mode, comprises a coil assembly and magnets, wherein a mechanical force and a magnetic force combine to move a driver magnet...
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...
US20060012251 Linear motor for use in machine tool  
The invention is a linear motor that improves the processing speed of machine tools and is also a linear motor that can improve the thrust in order to achieve high acceleration. More specifically,...
US20070182256 Linear reluctance motor  
A linear reluctance motor includes a stator with a set of spaced blades each extending in the direction of the actuation axis, each blade including a plurality of alternating low permeability and...
US20070046109 Miniature linear motor driving device and auto-focus lens device using the same  
A miniature linear motor driving device for lens focusing is disclosed. Said driving device comprises a holder, at least a driving coil, and at least a magnetic guide rail. The holder is disposed...
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,...
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...
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...
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...
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...
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...
US20090026847 LINEAR MOTOR  
In prior art linear motor, large burden is applied to a mechanism for supporting a moving member because magnetic attracting force acts in one direction between armature and moving member and the...
US20160329759 LINEAR MOTOR  
A linear motor includes: an annular yoke; a rod that penetrates the yoke in a yoke axis direction; a plurality of teeth disposed at equal intervals in the yoke axis direction so as to project from...
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...
US20090015077 LINEAR MOTOR  
In prior art linear motor, magnetic attractive force acts in one direction between armature and moving member, imposing heavy burden on a supporting mechanism of the moving member, distorting the...
US20060033386 Linear motor for use in machine tool  
Provided is a linear motor for use in a machine tool having high positioning accuracy. A linear motor 10 for use in a machine tool comprises: a stator 13 comprising a plurality of permanent...
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...
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...
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...
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....
US20070205672 Linear Motor And Manufacturing Method Of Linear Motor  
In the linear motor 1, which is provided with a pipe shaped member 11, a stator 10 including the pipe shaped member 11 and a plurality of magnets 12, both being accommodated in the stator 10 in...
US20060097583 Electromechanical transducers  
A drive assembly for a loudspeaker comprises a permanent magnet (42) and pole pieces (44a, 44b, 44c, 44d, 4e, 44f, 44g, 44h, 46a, 46b, 46c, 46d) of ferromagnetic material. The pole pieces define...
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...
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...
US20090026848 LINEAR MOTOR  
In prior art linear motor, since magnetic attractive force acts in one direction between an armature and a moving member, heavy burden is imposed on a supporting mechanism of the moving member,...

Matches 1 - 40 out of 40