Patents
Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676)
06/2003
06/18/2003CN1424807A Reciprocating movable motor
06/12/2003WO2003049263A1 Linear actuator
06/12/2003US20030108389 System for electrically powering and vibrating a compacting roller
06/05/2003WO2003021127A8 Apparatus for reducing sensitivity of an article to mechanical shock
06/05/2003US20030102828 Driving device for oscillatory actuator
06/05/2003US20030102772 Use of standoffs to protect atomic resolution storage mover for out-of-plane motion
06/05/2003US20030102763 Stator for reciprocating motor and manufacturing method thereof
06/05/2003US20030102739 Vibrating device for transmitting information
06/05/2003US20030102725 Stator for reciprocating motor
06/05/2003US20030101789 Press
06/04/2003CN1422451A A process for forming an annular stack of metallic laminations for the stator of a linear motor and an annular stack of metallic laminations
06/03/2003US6573630 Electromagnetic actuator
06/03/2003US6573624 Bobbin around a coil is wound; a plurality of unit stacked core members of a predetermined thickness, each of which is formed by stacking a plurality of lamination sheets formed of predetermined shaped thin plates, and radially positioned on
05/2003
05/30/2003WO2003044938A1 Vibrating linear actuator
05/30/2003WO2003044930A2 Magnetic-powered engine
05/30/2003WO2003044929A1 Vibrating linear actuator
05/28/2003CN1420609A Adjustable voltage frequency linear electromagnetic motor
05/28/2003CN1420271A Piston Supporting structure of reciprocating compressor
05/27/2003US6570275 Motor having two degrees of free motion with a core having inner and outer winding portions
05/22/2003US20030095879 Piston support structure of reciprocating compressor
05/22/2003US20030094861 Linear oscillating actuator
05/21/2003CN1419333A Driving device for vibration type regulator
05/20/2003US6566990 Electromagnetic actuator and valve-open-close mechanism
05/20/2003US6564443 Method for manufacturing electromagnetic operating apparatus
05/14/2003EP1310860A1 Electronic apparatus, vibration generator, vibratory informing method and method for controlling information
05/14/2003CN1417995A Axial vibration-movable part vibrator
05/13/2003US6563249 Rotary microactuator having optimally curved electrodes
05/13/2003US6563238 Comb structure using magnetic force and actuator and inertia sensor both using the comb structure
05/08/2003WO2003038975A2 Drive for the piston of a linear cooler
05/08/2003US20030088382 Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor
05/08/2003US20030086796 Reciprocating compressor
05/07/2003EP1309073A2 Vibrating device for axially vibrating a moveable member
05/07/2003EP1108283B1 Electromagnetic actuator with an oscillating spring-mass system
05/07/2003EP0870923B1 Electromagnetic piston engine
05/07/2003CN1416206A Reciprocating motor
05/06/2003US6559746 Thrust controllable actuator
05/06/2003US6559563 Linear oscillating actuator
05/02/2003EP1306860A1 Electromagnetic actuator, drive unit and position or speed sensor those employ the electromagnetic actuator
05/02/2003EP1305869A1 Stator for reciprocating motor
05/01/2003WO2003036780A1 Reciprocating linear actuator
05/01/2003WO2002087279A3 Matching an acoustic driver to an acoustic load in an acoustic resonant system
05/01/2003US20030082056 Electromagnetic oscillating type pump and method for manufacturing the same
05/01/2003US20030080634 Reciprocating motor
05/01/2003US20030080633 Reciprocating motor
05/01/2003US20030080306 Method of controlling current applied to electromagnetically driven valve and control system
04/2003
04/30/2003CN1414689A Reciprocating electric machine
04/30/2003CN1414681A Stator for reciprocating motor and its manufacturing method
04/30/2003CN1106917C Actuating device for oscillating electric products of personal use, esp. elelectric razors
04/29/2003US6554588 Composite piston for a vibration pump
04/23/2003EP1258015A4 Rotary device with matched expansion ceramic bearings
04/23/2003CN1412919A Electromagnetic driver unit
04/22/2003US6553125 Multiple-function convertor for converting electric signals to vibration of elements of a portable electronic instrument
04/22/2003US6552450 Reciprocating engine
04/16/2003EP1301811A2 Gravitational wave generator
04/16/2003CN1411121A Motor and light modulator
04/15/2003US6549390 Actuator controller
04/10/2003WO2002082624A8 Permanent magnet support for a linear electric motor
04/09/2003EP1179120B1 Electro-mechanical servo-drive
04/09/2003EP1159217B1 Thread guide for traversing a thread in a rotating winding bobbin
04/09/2003CN1409469A Electromagnetic piston and its use
04/09/2003CN1409468A Method for producing magnetic energy motive power machine
04/08/2003US6545377 Coil with cooling means
04/08/2003US6543477 Electromechanical actuator
04/03/2003US20030062788 Motor and light amount adjusting apparatus
04/02/2003EP1298776A1 Rotary actuator
04/02/2003EP1298343A1 Safety locking device for electromechanical equipment and aircraft wheel brake provided with such a device
04/02/2003EP1297904A1 Electromagnetic induction type actuator and portable communications device
04/02/2003EP0790946B1 Modular drive component for a vibratory feeder drive
04/02/2003CN2543272Y Electromagnetic type linear large displacement actuator
04/02/2003CN2543270Y Stroke strong magnetic engine
04/01/2003US6540490 Reciprocating compressor driven by a linear motor
03/2003
03/27/2003WO2003026107A2 Electromechanical transducer linear compressor and radio transmission antenna
03/27/2003US20030059320 Fluid transfer apparatus
03/27/2003US20030057803 Use of standoffs to protect atomic resolution storage mover for out-of-plane motion
03/27/2003US20030057784 Magnetically levitated motor and magnetic bearing apparatus
03/27/2003US20030057780 Low loss reciprocating electromagnetic device
03/27/2003US20030056740 Electromechanical engine valve actuator system with reduced armature impact
03/25/2003US6538402 Self-oscillation system for driving a linear oscillatory actuator around its resonant frequency
03/25/2003US6538349 Linear reciprocating flux reversal permanent magnetic machine
03/20/2003WO2003023226A1 Electronic control system and process for electromagnetic pump
03/19/2003EP1159216B1 Thread guide for traversing a thread in a rotating winding bobbin
03/18/2003US6533560 Electromagnetic oscillating type pump and method for manufacturing the same
03/13/2003WO2003021754A1 Solenoid valve driver
03/13/2003WO2003021127A2 Apparatus for reducing sensitivity of an article to mechanical shock
03/13/2003US20030049135 Electronic control system and process for electromagnetic pump
03/13/2003US20030048016 Thin motor and pump
03/13/2003US20030048011 Magneto-electric machine of linear type
03/12/2003CN1102878C Drive unit for hair clippers
03/11/2003US6530756 Oscillation-type compressor
03/06/2003WO2003018979A1 High-speed controlling device
03/06/2003WO2002007144A8 Gravitational wave generator
03/06/2003US20030044031 Multi-function actuator
03/06/2003US20030042802 Safety locking device for electromechanical equipment and aircraft wheel brake equipped therewith
03/05/2003CN1400724A Reciprocating motion motor and its application
03/04/2003US6529611 Multifunction acoustic device
03/04/2003US6529107 Speaker comprising ring magnet
02/2003
02/27/2003WO2003017451A1 Magneto-electric machine of linear type
02/27/2003DE10147064C1 Vibrator for mobile telephone has oscillating mass provided by magnetic core displaced within electromagnetic coil
02/20/2003WO2002099308A3 Variable electromagnetic damping apparatus
02/20/2003US20030036364 Multi-functional actuator
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