Patents
Patents for H02K 33 - Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system (7,676)
08/2004
08/17/2004US6777852 Stator core of torque motor
08/12/2004US20040155536 Brushless electric motor
08/11/2004CN1161544C Reciprocative compressor
08/11/2004CN1161190C Electromagneitc device and driver circuit
08/10/2004US6774589 Rocking seat control apparatus
08/10/2004US6774588 Controlling apparatus for linear oscillation motor and method for controlling linear oscillation motor
08/05/2004US20040150277 Low profile push-pull magnetic vibrating apparatus
08/04/2004CN2631112Y Oblate DC coreless vibration micro motor
08/04/2004CN2630856Y Electromagnetic drive device
08/03/2004US6770990 Reciprocating motor
07/2004
07/29/2004WO2004064238A1 Method and apparatus for controlling the object to move back and forth by a rotating magnet pole and obtaining kinetic energy
07/29/2004WO2003021127A3 Apparatus for reducing sensitivity of an article to mechanical shock
07/29/2004US20040145248 Reciprocating motor
07/29/2004US20040145247 Linear electric motor
07/28/2004EP1440500A2 Drive for the piston of a linear cooler
07/28/2004CN2629333Y Electric wabbler mechanism
07/28/2004CN1516326A Electricity-saving type handset vibration device
07/27/2004US6768569 Module for receiving a light beam and converting it to a scanning beam
07/22/2004WO2003102979B1 Force motor with increased proportional stroke
07/22/2004DE10258279A1 Linear drive unit, especially for final control device, has clamping device for fixing rotor relative to drive rod/housing with clamping force induced by second magnetic field of second magnetic coil
07/21/2004EP1439630A1 Reciprocating linear actuator
07/21/2004CN1158740C Stator structure of reciprocating electric machine
07/20/2004US6765331 Eccentric rotor having high density member, manufacturing method thereof, and flat coreless vibrator motor using the eccentric rotor
07/20/2004US6765320 Actuator
07/20/2004US6765318 Linear driving device
07/15/2004WO2004059820A1 Linear actuator
07/14/2004EP1436508A1 Electronic control system and process for electromagnetic pump
07/14/2004EP1226001A4 Methods relating to constructing reciprocator assembly
07/14/2004CN1512504A Disc driver and driving device
07/08/2004US20040131349 Actuator
07/08/2004US20040130237 Gravitational wave propulsion and telescope
07/08/2004US20040130221 Linear oscillator
07/08/2004US20040129953 Mems devices and methods of manufacture
07/08/2004US20040128781 Linear oscillator and electrically driven toothbrush
07/07/2004CN2624512Y Reciprocation and rotation reverse gear
07/07/2004CN1511368A Auto-centering linear motor
07/07/2004CN1510822A Electric transmission
07/07/2004CN1510815A Fixer of reciprocating motion motor fixing stator
07/06/2004US6759640 Method of controlling current applied to electromagnetically driven valve and control system
07/01/2004US20040124795 Vibrator controlling circuit
07/01/2004US20040124718 Electronic control throttle body
07/01/2004DE10361077A1 Elektrischer Aktuator Electric actuator
06/2004
06/30/2004EP1391136A4 Matching an acoustic driver to an acoustic load in an acoustic resonant system
06/30/2004CN1509515A Reciprocating motor
06/30/2004CN1509514A Linear oscillator and electrical driven toothbrush
06/30/2004CN1508940A Stator structure for reciprocating motor
06/30/2004CN1508939A Stator sturcture for reciprocating motor
06/30/2004CN1156070C Four-stroke multi-cylinder piston type magnetic engine
06/29/2004US6756871 Actuator with number of stator teeth equal to number of rotor poles
06/29/2004US6756759 Angle or position detecting apparatus, method thereof, servo apparatus, and servo method, and motor
06/24/2004US20040119344 Electric actuator
06/23/2004CN2621358Y High-frequency reciprocating linear electric motors
06/22/2004US6754363 Structure of dual magnetic loop type receiver
06/22/2004US6753665 Linear compressor drive device
06/17/2004US20040114278 Disk drive and actuator
06/17/2004US20040113732 Bistable magnetic actuator
06/17/2004US20040113509 Lamination and lamination arrangement for a linear motor
06/16/2004EP1429299A1 Tactile vibration generator system
06/16/2004EP1428307A2 Electromechanical transducer linear compressor and radio transmission antenna
06/16/2004CN1504269A Bodily sensed vibration generator system
06/16/2004CN1154225C Oscillating magnetic resistance motor and reciprocating compressor with the same motor
06/15/2004US6750999 Reconfigurable quasi-optical unit cells
06/10/2004WO2004049547A1 Actuator
06/10/2004WO2004047670A1 Power toothbrush
06/10/2004US20040108774 Stator for reciprocating motor
06/09/2004EP1426897A1 System for focusing a light beam
06/09/2004EP1426580A2 Variable geometry turbine
06/09/2004EP1425764A2 Bistable magnetic actuator
06/09/2004CN2620416Y Special vibration electric machine
06/08/2004US6746217 Reciprocating compressor
06/03/2004WO2004046550A1 A control system for the movement of a piston
06/03/2004WO2003072486A3 Mems devices and methods of manufacture
06/03/2004US20040104625 Bodily sensed vibration generator system
06/03/2004DE10351572A1 Magnetischer Dämpfer und Stellglied mit magnetischem Dämpfer Magnetic Damper and actuator with magnetic damper
06/01/2004US6744904 Multifunction acoustic device
06/01/2004US6744162 Safety locking device for electromechanical equipment and aircraft wheel brake equipped therewith
05/2004
05/27/2004WO2004045060A2 Sensorless control of a harmonically driven electrodynamic machine for a thermoacoustic device or variable load
05/27/2004US20040101150 Piezoelectric driver device with integral sensing layer
05/27/2004DE10296891T5 Selbst-zentrierender Linear-Motor Self-centering linear motor
05/27/2004DE10197234T5 Ständer für einen Kolbenmotor Stand for a piston engine
05/26/2004EP1422812A1 Solenoid valve driver
05/26/2004EP1422731A1 Electrodynamic actuator
05/26/2004EP1421998A1 Vibrating actuator device
05/26/2004CN2618360Y Reciprocatnig power device actuated by attraction and repulsion of D.C. solenoid
05/26/2004CN2618359Y Electromagnetic muscle power plant
05/26/2004CN1500306A 线性电马达 Linear electric motor
05/26/2004CN1499701A Magnetic buffer and brake having same
05/25/2004US6741008 Stator for reciprocating motor
05/20/2004US20040095563 Moving stage device in exposure apparatus
05/20/2004US20040095217 Actuator and transducer
05/20/2004US20040095128 Electrodynamic actuator
05/20/2004US20040095028 Sensorless control of a harmonically driven electrodynamic machine for a thermoacoustic device or variable load
05/20/2004US20040095027 Linear motor
05/19/2004CN1150793C Multi-function acoustic assembly
05/18/2004US6736614 Rotary piston drive mechanism
05/13/2004WO2004040594A1 Winding coil assembly of reciprocating motor and manufacturing method thereof
05/13/2004US20040090295 Magnetic damper and actuator having the same
05/13/2004US20040090228 Speed sensitive field ground detection mode for a generator field winding
05/13/2004US20040090129 Positioning apparatus and charged-particle-beam exposure apparatus
05/13/2004DE20320293U1 Suction nozzle for a vacuum cleaner has a driver roller crosswise to a working movement and a beating device parallel to the driver roller.
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