| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 06/17/1997 | US5640077 Battery recharging apparatus |
| 06/12/1997 | WO1997021262A1 A protection unit for a.c. motor |
| 06/12/1997 | DE19545928A1 Selective network monitoring system for switchgear |
| 06/11/1997 | EP0778645A2 Control powered overload relay |
| 06/11/1997 | EP0777593A1 Windscreen wiper device |
| 06/11/1997 | CN1151626A Control and protection system for AC-DC conversion system |
| 06/10/1997 | US5638474 Connector for terminating a cable containing a transmission medium |
| 06/06/1997 | CA2189685A1 Control powered overload relay |
| 06/04/1997 | EP0777309A2 Generating apparatus for vehicle |
| 06/04/1997 | CN2255690Y Electric motor protector |
| 06/04/1997 | CN2255689Y Emergency protection circuit device for electric motor |
| 06/03/1997 | US5636109 Personal computer power supply with low-power standby mode activated by secondary side protection circuit |
| 06/03/1997 | US5635806 Method and apparatus for temperature monitoring of universal or AC/DC motors |
| 05/28/1997 | CN2255119Y Contravariant power supply sepcial for food cold storage cart |
| 05/28/1997 | CN2255115Y Full function type high efficiency contravariant power supply |
| 05/28/1997 | CN2255113Y Power supply protective device for power supply of stepping electric motor |
| 05/28/1997 | CN1150710A Method and apparatus for preventing excessive current flow in motor |
| 05/27/1997 | US5633790 DV/DT limiting of inverter output voltage |
| 05/27/1997 | US5633775 Fire sentry power cable |
| 05/27/1997 | US5633579 Boost converter using an energy reproducing snubber circuit |
| 05/27/1997 | US5633571 Device for operating a movable part of a motor vehicle |
| 05/27/1997 | US5633561 Field emission display |
| 05/27/1997 | CA2115814C Voltage-type self-commutated conversion system |
| 05/27/1997 | CA2106450C Dc motor stall-detection system |
| 05/21/1997 | EP0774822A1 Apparatus and method for programming and reviewing a plurality of parameters of an electrical switching device |
| 05/21/1997 | EP0774821A2 Test circuit for electrical switching device |
| 05/21/1997 | EP0774820A1 Apparatus and method for selecting a control source for an electrical switching device |
| 05/21/1997 | EP0774175A1 Movable barrier operator having force and position learning capability |
| 05/21/1997 | CN2254603Y Universal light forward-backward coverting controlling box |
| 05/21/1997 | CN2254601Y Protector for high voltage power transmission line variable-value |
| 05/20/1997 | US5631800 Apparatus for determining operating state of cooling fan |
| 05/20/1997 | US5631795 Line fault monitoring apparatus |
| 05/20/1997 | US5631549 Linear regulator power supply with an overcurrent protection device |
| 05/20/1997 | US5631544 Hybrid alternator with voltage regulator |
| 05/15/1997 | DE19644858A1 Energy storage protection system for car occupant |
| 05/14/1997 | EP0773623A1 Method and device for protecting regenerative resistor of servo motor for driving inverter |
| 05/14/1997 | EP0714565B1 Arrangement for detecting stator earth leakages in three-phase current machines |
| 05/14/1997 | CN2254250Y Single-phase asynchronous motor capable of running under overvoltage and undervoltage |
| 05/14/1997 | CN2254246Y Automatic charging and discharging controller |
| 05/14/1997 | CN2254245Y Automatic compensation protector for motor |
| 05/14/1997 | CN1149775A Common comparison phase bus-bar protector for power plant and power system |
| 05/09/1997 | WO1997016878A1 Auto up window with obstacle detection system |
| 05/07/1997 | EP0772288A2 Semiconductor power module and compound power module |
| 05/07/1997 | EP0772272A1 System and method for controlling vehicle sliding door |
| 05/07/1997 | DE19540625A1 Protective circuit and device for temperature monitoring of device or machine |
| 05/06/1997 | US5627738 Low cost, high reliability soft start arrangement |
| 05/06/1997 | US5627714 Electronic thermal protection device |
| 05/06/1997 | US5627712 Transformer differential relay |
| 05/06/1997 | US5627710 Electric motor drive system |
| 05/06/1997 | US5627709 Electrical circuit for protecting a superconducting magnet during a quench |
| 05/06/1997 | US5627628 Electrophotographic apparatus |
| 05/06/1997 | US5627417 Compressor minimum off-time switch for series connection with delay-on-break feature |
| 05/02/1997 | EP0770757A2 Method of actuating awnings or the like by an electric motor |
| 04/30/1997 | DE19539753A1 Motor vehicle central locking door lock |
| 04/30/1997 | CN2253540Y Phase-failure automatic protecting motor |
| 04/30/1997 | CN2253538Y Phase failure protection for three-phase motor |
| 04/29/1997 | US5625520 Device for preventing a high voltage transformer of a microwave oven from being overheated |
| 04/24/1997 | DE19538583A1 MV switchgear for distribution station |
| 04/23/1997 | CN2253069Y Over-current protector for motor |
| 04/23/1997 | CN2253068Y Operation protective energy saving box for 3-phase asynchronous motor |
| 04/22/1997 | US5623193 Electrical device such as an electrical shaver or hair cutter |
| 04/22/1997 | CA2129923C Protection system for thyristor valve |
| 04/17/1997 | WO1997014205A1 Method for measuring fault currents in an inverter and inverter with controlled semiconductor switches |
| 04/17/1997 | DE19539395A1 Electrically driven liquid pump e.g. for wet cleaning machine |
| 04/16/1997 | EP0767986A1 Battery recharging apparatus |
| 04/16/1997 | CN2252428Y Multiurpose high-frequency feeder lightning arrester |
| 04/16/1997 | CN1034618C Full-function protector for electric machine |
| 04/15/1997 | US5621601 Over-current protection apparatus for transistor |
| 04/15/1997 | US5621598 Luminous tube protection circuit |
| 04/10/1997 | DE19631555A1 Elektrischer Rasenmäher Electric Lawn Mower |
| 04/10/1997 | DE19615127C1 Electronic monitor e.g. for opening and closing vehicle sun-roof |
| 04/09/1997 | EP0767133A2 Elevator drive fault detector |
| 04/09/1997 | EP0657033B1 Detecting faults in power lines |
| 04/09/1997 | CN2251825Y Multifunctional protector for three-phase motor |
| 04/09/1997 | CN2251824Y Multifunctional general automatic protector for three-phase asynchronous motor |
| 04/09/1997 | CN2251823Y Protector for electric machine |
| 04/08/1997 | US5619392 Method and device for protecting busbars |
| 04/08/1997 | US5619126 Circuit arrangement for automatically decreasing the load current |
| 04/08/1997 | CA2103842C Current limit circuit in current mode power supplies |
| 04/03/1997 | WO1997012379A1 Method and device for preventing explosions and fires in electrical transformers |
| 04/03/1997 | WO1997012109A1 Electronic door operator |
| 04/03/1997 | WO1997012107A1 System for determining the position in automatic doors |
| 04/02/1997 | EP0766362A2 Protecting element and method for protecting a circuit |
| 04/02/1997 | CN2251223Y Single-phase ac electric machine for agriculture |
| 04/02/1997 | CN2251215Y Open-phase protector for motor |
| 04/02/1997 | CN2251214Y Electronic protector for cage motor |
| 04/02/1997 | CN1146650A Protective circuit for phase-lose, overcurrent, undervoltage and overvoltage |
| 04/01/1997 | US5617282 Data communication system |
| 04/01/1997 | US5617013 Power supply with power factor correction and protection against failures of the power factor correction |
| 04/01/1997 | US5617012 Power converter protecting apparatus for electric power system |
| 04/01/1997 | US5617001 A.C. motor starting control circuit utilizing triggerable semiconductor switching device |
| 04/01/1997 | US5616997 Auto up window with obstacle detection system |
| 03/30/1997 | CA2179466A1 Protection element and method for protecting a circuit |
| 03/27/1997 | DE19638478A1 Overcurrent protection circuit for electric motor drive system |
| 03/26/1997 | EP0764293A1 Control system for a direct current motor with monitoring circuit and shut-off transistor in series with relay windings |
| 03/26/1997 | EP0764276A1 Electric vehicle propulsion system power bridge with built-in test |
| 03/26/1997 | CN2250591Y Full functional ac contactor |
| 03/26/1997 | CN2250590Y Electornic protector for motor |
| 03/26/1997 | CN1146087A Self-protective motor |
| 03/26/1997 | CN1145714A Cordless electric lawn mower having energy management control system |