| Patents for H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors (4,788) |
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| 12/17/1998 | DE19816420A1 Printer for printing full colour images |
| 12/09/1998 | EP0883236A1 The driving circuit system constituted by the multiple DC power driving devices of the DC or AC motors in mixture of series and parallel combinations |
| 12/03/1998 | WO1998054830A1 Electronic drive system |
| 12/02/1998 | CN1200595A Electric motor series-parallel combination operation type driving system |
| 11/25/1998 | CN1199953A Process and control device for motor output suitable for being controlled through communication bus |
| 11/19/1998 | DE19727824C1 Decentralised operating method for multi-motor drive system synchronous control e.g. of rotary printing machine |
| 11/12/1998 | WO1998050998A1 A motor |
| 11/12/1998 | DE19820667A1 Motor starter control method |
| 11/12/1998 | CA2288643A1 A motor |
| 11/11/1998 | EP0687395B1 Process for preventing damage to numerically controlled machines in the event of a power failure |
| 11/11/1998 | CN1040628C Motor system for electric vehicles |
| 11/10/1998 | US5835463 Spindle motor control system for use in an optical disk player |
| 10/29/1998 | DE19716457A1 Control method for electrical drive system of multi-colour cylinder type printing machine |
| 10/15/1998 | DE19722453C1 Electrical power drive system |
| 10/08/1998 | DE19708985C1 Verfahren und Vorrichtung zur Aufrechterhaltung eines winkelgenauen Gleichlaufs einzelner vernetzter Antriebe eines dezentralen Antriebssystems Method and apparatus for maintaining a precise angle synchronism of individual networked drives a decentralized drive system |
| 10/06/1998 | US5819202 Apparatus for detecting an abnormality of a control system |
| 09/30/1998 | EP0868005A2 Power output apparatus and method of controlling the same |
| 09/30/1998 | EP0867323A2 Energy flow management in hybrid vehicle power output apparatus |
| 09/30/1998 | CN1194499A Vector controller without sensor |
| 09/29/1998 | US5814956 Method and apparatus for control in power failure |
| 09/11/1998 | WO1998039838A1 Method and device for maintaining the perfect synchronism of individual, networked drives of a decentralized drive system |
| 09/01/1998 | US5801497 Power output apparatus |
| 08/27/1998 | WO1998037297A1 An operating system for electrically operated devices such as doors, windows and the like, and drive unit for the use in such a system |
| 08/27/1998 | DE19746685A1 Drive with two low inductance coils for rotary shaft or wheel |
| 08/18/1998 | US5796221 Overload detector for servo driven machines |
| 08/13/1998 | DE19704702A1 Printing machine play elimination method |
| 08/11/1998 | US5793808 Digital processing apparatus and method to control multiple pulse width modulation drivers |
| 08/06/1998 | WO1998034336A1 Driving mechanism for industrial installations, in particular for primary industry installations |
| 08/06/1998 | DE19704122A1 Antriebseinrichtung für Industrieanlagen, insbesondere für Anlagen der Grundstoffindustrie Drive means for industrial plants, especially for plants in the basic industries |
| 08/04/1998 | US5787806 Electric motor speed control |
| 07/29/1998 | CN2286943Y Long-distance chain controller for frequency converter |
| 07/14/1998 | US5780989 Method and apparatus for AC servo motor control |
| 07/08/1998 | EP0675822B1 Propeller drive system |
| 07/07/1998 | US5777443 Segmented drive system for a binding line |
| 07/01/1998 | CN1186378A Motor controller for dental handpiece |
| 06/18/1998 | DE19651427A1 Synchronous control technically linked drive systems e.g. for printing machines and machine tools |
| 06/17/1998 | CN2284474Y Full digital a. c permanent-magnet servomotor driving gear |
| 06/16/1998 | US5767635 Displacement machine with electronic motor synchronization |
| 06/10/1998 | EP0846359A1 Control system for controlling plural electrical devices |
| 05/27/1998 | EP0646797B1 Circuit for judging motor rotation and apparatus for confirming motor stop using said circuit |
| 05/26/1998 | US5757147 Method and apparatus for controlling multiple motor drive of printing machine |
| 05/12/1998 | US5751123 Method of diagnosing a drive train having multiple servo motors |
| 05/07/1998 | WO1998019389A1 Rotating machine integrated with controller, and inverter |
| 04/22/1998 | EP0836764A1 Method and unit for controlling the synchronization of complex machines in case of electric power failure |
| 04/21/1998 | US5742143 Motor control system with selectively operated A/D convertor |
| 04/14/1998 | US5739648 Motor controller for application in a motor controller network |
| 04/08/1998 | CN1178412A Absolute angular position calculation apparatus for rotating motor and velocity control apparatus adopting the same |
| 04/01/1998 | EP0833437A2 Semiconductor driver commutation element to control electric loads |
| 03/24/1998 | US5731677 Integrated circuit for controlling an information storage disk |
| 02/26/1998 | WO1998007519A1 Coarse crushing plant |
| 02/26/1998 | DE19634213A1 Linear or rotary movement drive motors electrical drive system |
| 02/25/1998 | EP0825707A1 Regulator for distributing the load on a plurality of driving devices |
| 02/25/1998 | CN1174447A Regulating method |
| 02/07/1998 | WO1998028837A1 Motor controller |
| 01/28/1998 | EP0821091A2 Method and apparatus for controlling motors of knitting machine |
| 01/27/1998 | US5712541 Method and apparatus for actuating synchronous motors |
| 01/27/1998 | US5712540 Control method and apparatus for controlling motors of air conditioner |
| 01/20/1998 | US5710496 Drive including PID position feedback drive and control system fed by speed control unit and X-ray device comprising such a drive |
| 01/13/1998 | US5708339 For securing a bundle of gathered material |
| 01/13/1998 | US5708332 For a printing press |
| 01/08/1998 | DE19626554A1 Synchronous independent drive for use in multi-shaft screw extruders |
| 01/07/1998 | EP0817366A2 Device for operating alternately several AC synchronous servo-motors and wire straightening machine with such a device |
| 01/07/1998 | EP0817359A1 Power output apparatus |
| 12/30/1997 | US5701774 Control device for a continuous hot-rolling mill |
| 12/02/1997 | US5692358 Bag neck tying device |
| 11/20/1997 | DE19639252C1 Freely-configured semiconductor driver integrated circuit for control of e.g. motor |
| 11/05/1997 | CN1036367C Differential parallel operating circuit for commutator type motor |
| 10/30/1997 | WO1997040428A1 Unified modular system of drives and controls for mobile robotic applications |
| 10/28/1997 | US5681256 Screw decanter centrifuge having a speed-torque controller |
| 10/15/1997 | EP0456728B1 Power supply system |
| 10/14/1997 | CA2125587C Integrated anti-backlash gearhead motor |
| 10/08/1997 | EP0631367B1 Integrated anti-backlash gearhead motor |
| 09/17/1997 | EP0701662B1 Positive displacement machine with electronic motor synchronisation |
| 09/02/1997 | US5664048 Speed control circuit for a DC motor |
| 08/21/1997 | DE19615095C1 Flux regulation method for parallel asynchronous motors e.g. for rail-bound vehicles |
| 08/20/1997 | CN1035711C Rotor magnetic potential holographic control motor |
| 08/19/1997 | CA1339321C Variable keyed power distribution and control system for motorized wheelchair |
| 08/13/1997 | EP0788778A2 Control circuit for driving dental instruments |
| 08/06/1997 | CN1035575C Recorder with drive phase detector |
| 07/10/1997 | DE19600110A1 Cylinders and rollers electrical drive system for sheet paper printing machine |
| 07/08/1997 | US5646495 Tandem control method based on a digital servomechanism |
| 06/25/1997 | EP0780959A2 Converter system with coupled DC link circuits |
| 06/18/1997 | CN1152047A Drying stroke cotnrol method for washing machine |
| 06/10/1997 | US5636420 For guiding a textile web |
| 06/04/1997 | CN1151076A Integrated circuit for controlling information storage disk |
| 05/28/1997 | EP0776085A1 The semi-cross interlocked circuit with unbalanced voltage cyclic current check function for the speed difference permitted commutator type motors |
| 05/20/1997 | US5631813 Regenerative AC/DC/AC power converter for a plurality of motors |
| 05/20/1997 | US5631487 Semiconductor device and motor driver circuit using the same |
| 05/07/1997 | CN1034844C Damping flux linkage observation device for ac-ac frequency conversion synchronous motor damping flux linkage directive control |
| 05/02/1997 | EP0770027A1 Overload detector for servo driven machines |
| 04/29/1997 | US5625262 System for equalizing the load of a plurality of motors |
| 04/17/1997 | DE19637757A1 Control system for drawing cylinder motors at a ring spinner |
| 04/16/1997 | EP0768586A2 Motor controller for application in a motor controller network |
| 04/16/1997 | EP0768173A1 Rotary speed control system |
| 04/08/1997 | US5619111 Motor control system for controlling the operations of a plurality of servo motors |
| 03/11/1997 | US5610491 Electrical drive system for the positioning of rotating equipment |
| 02/18/1997 | US5603388 Electric powered bicycle |
| 02/11/1997 | US5602448 Electric powered bicycle |
| 02/11/1997 | CA2035812C Control apparatus |
| 02/06/1997 | WO1997004512A1 Control system for controlling plural electrical devices |