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| Application No. | Application Title | Issue Date |
| 20120025635 | LINEAR MOTOR ACTUATOR Provided is a linear motor actuator capable of oscillating a mover without using mechanical resilience of an elastic body. A first permanent magnet 3a and a second permanent magnet 3b magnetized in an axis direction are disposed in a mover 02/02/2012 | |
| 20110210690 | LINEAR MOTOR WITH PERMANENT-MAGNETIC SELF-HOLDING A linear motor for optical systems, for example, endoscopes, is described. The motor has a stator with a magnetic guiding member and two adjacently disposed coils which are energized in opposite directions. Furthermore permanent magnets polarized in opposite directions ... | 09/01/2011 |
| 20110210689 | Reluctance And Lorentz-Force-Operated Linear Drive A linear motor for optical systems, for example, endoscopes, is described. The motor has a stator with a magnetic guiding member and a coil. The armature of the motor includes two permanent magnets which are of opposite polarity. A pole piece made of soft-magnetic mater... | 09/01/2011 |
| 20110163617 | Oil Immersed Solenoid An oil immersed solenoid capable of easily and quickly removing air and air bubbles in oil in a space accommodating a movable core and preventing the air and the like from accumulating in the space. In an oil immersed solenoid in which a movable core is accommodated in ... | 07/07/2011 |
| 20110057132 | SOLENOID VALVE A solenoid valve includes an armature portion, a spool portion, a housing, and a piloting feature that is operatively connected to the housing and configured to align and guide the armature portion. A stator is disposed with respect to the housing and has a selectively ... | 03/10/2011 |
| 20100301978 | LINEAR ACTUATOR A linear actuator includes a coil that generates a magnetic force upon energization thereof, a yoke covering an outer peripheral surface of the coil, a magnetic attraction core that generates an attractive magnetic force in an axial direction with the magnetic force gen... | 12/02/2010 |
| 20100244589 | ELECTROMAGNETIC ACTUATING UNIT OF A SOLENOID VALVE, AND METHOD FOR THE PRODUCTION OF SUCH AN ACTUATING UNIT An electromagnetic actuating unit of a hydraulic control valve which has an armature disposed inside an armature chamber in an axially displaceable manner, and a pole core disposed in a recess. The pole core limits the armature chamber in a direction of movement of the ... | 09/30/2010 |
| 20100200788 | Method and System for a Magnetic Actuator The system contains a top permanent magnet and a bottom permanent magnet. The bottom magnet is axially aligned with the top magnet. The top magnet and the bottom magnet have substantially opposing magnetization. A top coil is positioned substantially enclosing the top m... | 08/12/2010 |
| 20100133926 | ELECTROMAGNETIC ACTUATOR In an electromagnetic actuator including a bearing member which slidably supports a variable core, a yoke for retaining a coil assembly by cooperation with a bottom wall of a housing is connected to the housing, and the bearing member is fitted into the yoke. A support ... | 06/03/2010 |
| 20100073785 | Motor for Driving Lenses Disclosed is a motor for driving lenses. The motor includes a case, a yoke fixed in the case, a magnet fixed in the yoke, a carrier equipped with lenses and installed in the magnet such that the carrier moves up and down within the magnet, a coil coupled with the carrie... | 03/25/2010 |
| 20100060088 | Nano-Positioning Electromagnetic Linear Actuator A flexure for an electromagnetic nano-positioning linear actuator having a support and an actuating body, the flexure comprising: a first resilient end for attaching to the support; a second resilient end for attaching to the actuating body; and a substantially rigid in... | 03/11/2010 |
| 20100005646 | Precision ground armature assembly for solenoid actuator and fuel injector using same A solenoid actuator includes a hard guide piece and a soft flux piece. The hard guide piece has a stop surface ground to create a final air gap distance between the soft flux piece and a stator assembly when the stop surface on the guide piece is in contact with the sta... | 01/14/2010 |
| 20100007224 | Precision ground stator assembly for solenoid actuator and fuel injector using same A method to set a small air gap by improving the parallelism between the armature and the stator assembly includes attaching a guide sleeve to a pole piece and grinding the surfaces on the guide sleeve and the pole piece after the attaching step to improve parallelism. ... | 01/14/2010 |
| 20100000482 | ELECTROMAGNETIC ACTUATING APPARATUS An electromagnetic actuating apparatus with an elongate actuating element (3), which forms an engagement region (11) at the end and is capable of moving owing to the force of a coil device provided in stationary fashion, and sections of the actuating eleme... | 01/07/2010 |
| 20090250942 | ENGINE STARTER An electromagnetic controller includes an exciting coil unit that is provided with a coil main body and an exciting piece that is positioned at a tip end side of the coil main body so as to be magnetized according to an excitation of the coil main body; and a plunger th... | 10/08/2009 |
| 20090232490 | COIL BOBBIN, ACTUATOR, AND BLADE DRIVE DEVICE FOR CAMERA A coil bobbin includes: a body portion around which a coil is wound and having a cylindrical shape; a pair of flange portions formed at both ends of the body portion respectively; and terminal portions which are formed in the pair of flange portions, respectively, the t... | 09/17/2009 |
| 20090200499 | LINEAR ACTUATOR, AND VALVE DEVICE AND PUMP DEVICE USING THE SAME A linear actuator may include a fixed body having a coil wound around in a ring-shaped manner and a movable body. The movable body may include a first movable body side yoke which is disposed on the inner side of the coil and a pair of magnets which is laminated on both... | 08/13/2009 |
| 20090120146 | Unlocking Device for a Control Device The invention relates to an unlocking device for a control device (10), comprising an actuating magnet (12) which, guided in a coil base (14) and/or in housing elements of the actuating magnet, has an actuating element (16) that can be displa... | 05/14/2009 |
| 20090072636 | ADJUSTABLE MID AIR GAP MAGNETIC LATCHING SOLENOID A magnetic latching solenoid comprises a housing, a moveable magnetically permeable member, a stationary magnetic assembly, a counter flux generator; and, a spring. A substantially equal extent of the moveable magnetically permeable member and stationary magnetic assemb... | 03/19/2009 |
| 20090066169 | ACTUATOR ARRANGEMENT AND SHIFT-CLUTCH ARRANGEMENT An actuator arrangement for the axial displacement of an actuation member by means of a drive force which is generated by an electric machine, in particular for a shift-clutch arrangement of a multi-step gear change transmission. The actuation member is mounted axially ... | 03/12/2009 |
| 20090051228 | ACTUATOR UNIT An actuator unit 100 which moves a light reflection element 32 in a predetermined optical path-switching-position includes a mover 120 to which the light reflection element 32 is fixed, and a fixed part body 110 including an E-shaped y... | 02/26/2009 |
| 20090045683 | LINEAR VARIABLE RELUCTANCE ACTUATOR HAVING BAND COILS A linear VR motor or actuator having band coils is provided. The VR actuator includes a first core dimensioned as either a single ‘E’ or a double ‘E’. Each center protruding bar may be capped with a permanent magnet made of a Ferro-magnetic material or ceramic m... | 02/19/2009 |
| 20080246352 | Cylinder-Type Linear Motor and Moving Part Thereof The present invention provides a cylinder-type linear motor capable of shortening the total motor length with respect to a predetermined stroke length and capable of being operated as a brushless DC motor without a sensor means for sensing the position of a moving part ... | 10/09/2008 |
| 20080246351 | Cylinder-Type Linear Motor and Moving Parts Thereof The present invention provides a cylinder-type linear motor capable of shortening the total motor length with respect to a predetermined stroke length and capable of being operated as a brushless DC motor without a sensor means for sensing the position of a moving part ... | 10/09/2008 |
| 20080246353 | VOICE COIL MOTOR DEVICE FOR POSITIONING A voice coil motor device for positioning is disclosed. The voice coil motor device for positioning includes a fixed element, a moving element and a connector. The moving element is movably disposed on the fixed element. One end of the connector is connected with the fi... | 10/09/2008 |
| 20080220930 | Linear Actuator A linear actuator includes permanent magnet annuli arranged about an armature core for axial movement in a tubular stator upon energisation of coils arranged in concentric association with the armature. The stator has portions extending radially inwards of the coils and... | 09/11/2008 |
| 20080115686 | METHODS AND APPARATUSES FOR PROJECTILE FUZE SETBACK GENERATOR POWER SOURCE AND PROJECTILES INCLUDING SAME Projectile fuze setback generator power source apparatuses and methods of use and manufacture are disclosed. An explosive projectile contains a fuze with a setback generator and associated fuze electronics. Upon initiation of projectile launch, the setback generator pro... | 05/22/2008 |
| 20080100152 | Sliding Door Comprising a Magnetic Support and/or Drive System Comprising a Row of Magnets A magnetic drive system for driving a door leaf in a driving direction is disclosed. The drive system includes a row of magnets disposed in the driving direction and having a longitudinal direction, the magnets being arranged so that magnetizations of the magnets revers... | 05/01/2008 |
| 20080036305 | High efficiency linear motor and oil well lift device A high-efficiency permanent magnet linear motor optimized for low speed, high thrust applications, and a direct-drive oil well lift device powered by the motor. The motor comprises a high ratio of conductor volume to core cross-section area (14) and a plurality o... | 02/14/2008 |
| 20080036304 | High performance focusing actuator of a voice coil motor A high performance focusing actuator of a voice coil motor comprises a retaining unit having a plastic retaining frame; a center portion of the plastic retaining frame being a receiving space; two opposite corners of the receiving space being chamfered; an inner side of... | 02/14/2008 |
| 20080024016 | ACTUATOR An actuator including at least one moving body, at least one fixed body and a connecting member is provided. The moving body is suitable for moving along a direction, and includes at least one coil. In addition, the fixed body includes a permanent magnet and a yoke, whe... | 01/31/2008 |
| 20080024015 | Linear actuator In a linear actuator (1), on the inside of a rectangular tubular movable element (3), a linear guide (14) that supports the movable element (3) so as to be linearly movable is positioned at a center of the movable element (3), and a po... | 01/31/2008 |
| 20070252446 | Tubular electrical machines The present invention provides a stator for a tubular electrical machine having a substantially cylindrical inner surface containing a series of axially-spaced slots for receiving the coils of a stator winding. The stator comprises axially successive layers of laminatio... | 11/01/2007 |
| 20070247008 | Linear Motor and Attraction Force Cancel Type Linear Motor The present invention provides a linear motor in which the loss of the motor is reduced and a motor efficiency is improved. A linear motor includes: a mover part including an armature module having an I shaped magnetic iron core (1)... | 10/25/2007 |
| 20070236088 | Vibrator A vibrator has a cup-shaped casing, a substrate provided to close an upper end opening of the casing, a magnetic circuit assembly provided in the casing, a first suspension and a second suspension that support the magnetic circuit assembly from above and below, and a vo... | 10/11/2007 |
| 20070236089 | Solenoid and pump using the same The solenoid is capable of generating great thrust and having broad-ranging thrust characteristics. The solenoid of the present invention comprises: a guide pipe formed into a cylindrical shape and provided inside of an excitation coil; a movable element having a small ... | 10/11/2007 |
| 20070205674 | VOICE COIL MOTOR AND METHOD OF USING THE SAME FOR DISPLACEMENT CONTROL The present invention proposed a voice coil motor and a method of using magnetic restoring force for displacement control. The voice coil motor comprises a magnetic member and an electric member. The magnetic member generates a magnetic field. The electric member includ... | 09/06/2007 |
| 20070199526 | Valve drive for a gas exchange valve The invention relates to a valve drive for a gas exchange valve (4) in a power engine or a processing engine, with a magnetic rotor (12) which, along with a rotor section positioned at a distance from the gas exchange valve (4), extends in a longitu... | 08/30/2007 |
| 20070200442 | Magnetic levitation actuating motor A magnetic levitation actuating motor includes a hollow base externally wound with a coil, at least one magnetic element fixedly mounted to at least a free open end of the hollow base, and a magnetizable actuator axially movably disposed in the hollow base. When the coi... | 08/30/2007 |
| 20070194633 | Multifunction-Type Vibration Actuator And Mobile Terminal Device [Problems]To accurately tune the vibration frequency of a suspension during assembly. [Means for Solving Problems] Secured positions 3e where a magnetic circuit part 2 is secured to a suspension 3 are provided ne... | 08/23/2007 |
