| 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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| 07/19/1995 | CN2203805Y Electronic heating relay |
| 07/19/1995 | CN1029361C Over-current protector for motor |
| 07/18/1995 | US5434739 Reverse battery protection circuit |
| 07/18/1995 | US5434738 Fault detector |
| 07/18/1995 | US5434488 Device for preventing the burning of a coil for a brushless motor and capable of controlling the speed of the motor |
| 07/13/1995 | WO1995019060A1 Method and device for determining the direction to a fault on a power transmission line |
| 07/13/1995 | WO1995019059A1 Device for differentially protecting a power transformer |
| 07/12/1995 | EP0662220A1 Decoupling of a high-frequency error signal from a high-frequency electromagnetic field in a large electric machine. |
| 07/11/1995 | US5432945 Output control and protection device, in particular for programmable automatic controllers |
| 07/05/1995 | EP0661789A2 Phase sequence wiring protection apparatus |
| 07/05/1995 | EP0661189A1 DC Power supply circuit |
| 07/05/1995 | EP0660973A1 Protection triggering process. |
| 07/05/1995 | EP0660972A1 Process and device for electronically monitoring the overload on electric motor drives. |
| 07/05/1995 | CN2202992Y Phase-loss protecting switch |
| 07/05/1995 | CN2202991Y 三相四线保护器 Three-phase four-wire protector |
| 07/05/1995 | CN1104809A Relay protector |
| 07/04/1995 | US5430636 Inverter apparatus and inverter controlling method having fault protection |
| 07/04/1995 | US5428967 Electric car air-conditioning apparatus |
| 06/29/1995 | DE4440449A1 Idling and stoppage control of drives for roller blinds etc and also film screen |
| 06/29/1995 | DE4335481A1 Circuit arrangement for limiting electrical motor speed response to load change |
| 06/28/1995 | EP0659303A1 Thyristor control set with overcurrent circuit-breaker. |
| 06/22/1995 | DE4444612A1 LV motor for opening windows, doors and flaps |
| 06/21/1995 | EP0658290A1 Process for obtaining triggering signals by the comparison of currents at the ends of a power transmission path. |
| 06/21/1995 | EP0658289A1 Process and device for driving a multiplicity of loads |
| 06/21/1995 | EP0658275A1 Improvements in and relating to electromechanical relays. |
| 06/21/1995 | CN2201748Y Phase loss protector of 3-phase motor |
| 06/21/1995 | CN2201747Y Phase loss protector of a.c motor |
| 06/20/1995 | US5426554 For an electrical power distribution system |
| 06/20/1995 | US5426553 Apparatus for monitoring grounded states of multiple DC loads of relay system |
| 06/14/1995 | EP0657090A1 Automatic zero-point recognition. |
| 06/14/1995 | EP0657033A1 Detecting faults in power lines. |
| 06/14/1995 | CN2200884Y Protecter of motor |
| 06/14/1995 | CN2200883Y Loss of phase protection type ac. contacter |
| 06/13/1995 | US5424893 Gas discharge device power supply with ground fault protection |
| 06/13/1995 | US5423192 Electronically commutated motor for driving a compressor |
| 06/08/1995 | WO1995015468A1 Improvement in the electronic control arrangement for motor-driven refrigeration compressors |
| 06/07/1995 | EP0656678A1 Detector device for homopolar faults on an electric energy distribution network |
| 06/07/1995 | CN2200254Y Computer controller for asynchronous motor electricity-saving device |
| 06/07/1995 | CN2200252Y Protector of motor |
| 06/06/1995 | US5422778 Protection system for controller and control wiring induced under voltage faults in an electric power generating system |
| 06/06/1995 | US5422551 Safety device and method for power window |
| 06/06/1995 | US5422517 Control of electric loads during generator failure in a multi-generator system |
| 05/31/1995 | EP0655877A2 Device for preventing a high voltage transformer of a microwave oven from being overheated |
| 05/31/1995 | EP0655166A1 Protective device for an electrical consumer. |
| 05/31/1995 | CN2199628Y Short-circuit protector for electronic voltage regulator |
| 05/30/1995 | US5420779 Inverter current load detection and disable circuit |
| 05/30/1995 | US5419197 Monitoring diagnostic apparatus using neural network |
| 05/30/1995 | CA2033427C Method and apparatus for detecting stall current in an energized electrical motor |
| 05/26/1995 | WO1995014304A1 Load driving circuit |
| 05/24/1995 | EP0654882A1 Process for monitoring movable elements |
| 05/24/1995 | DE4402340C1 Integrated power transistor circuit |
| 05/24/1995 | CN2198701Y Protector for silicon control rectifier inverter |
| 05/24/1995 | CN2198700Y Multifunction controller |
| 05/24/1995 | CN2198699Y Multifunction motor protector |
| 05/24/1995 | CN2198698Y Multifunction automatic stopping machine and electric shifter for generator |
| 05/24/1995 | CN2198696Y Device for electric drill and lighting in mine |
| 05/23/1995 | US5418707 High voltage dc-dc converter with dynamic voltage regulation and decoupling during load-generated arcs |
| 05/23/1995 | US5418676 Self-diagnosing apparatus for brushless motor |
| 05/23/1995 | US5418675 Protection system for AC generators |
| 05/23/1995 | US5418673 Control electrode disable circuit for power transistor |
| 05/17/1995 | EP0653834A1 Power window driving controller |
| 05/17/1995 | CN2197763Y Phase mother wire protector for power generation system |
| 05/16/1995 | US5416692 AC power supplying unit with self monitoring of AC out and detection of leakage |
| 05/16/1995 | US5416689 Current mode switching power supply overload protection circuit with false fault condition screening |
| 05/16/1995 | US5416399 On-site electric motor start-up diagnostic tool |
| 05/16/1995 | US5416398 Method and device for operating a synchronous machine |
| 05/16/1995 | CA2078874C Battery protection system |
| 05/16/1995 | CA2042344C Mdi fault detection apparatus using initial turn-on and noise timers |
| 05/10/1995 | EP0651921A1 Current limiters in power utility applications |
| 05/10/1995 | CN2196834Y Electric motor phase-loose protector |
| 05/09/1995 | US5414306 Protecting apparatus for electronic device of vehicle having solar battery and storage battery |
| 05/03/1995 | EP0651489A1 Abnormality detecting device for relay |
| 04/27/1995 | DE4335965A1 Motor starter (engine starter) having integrated short-circuit protection |
| 04/26/1995 | EP0649575A1 Electric motor drive |
| 04/26/1995 | CN2195816Y Phase interruption overload protective device for electric motor |
| 04/25/1995 | US5410464 Voltage-type self-commutated conversion system with voltage control |
| 04/25/1995 | US5410226 Power window apparatus and method for controlling the same |
| 04/20/1995 | WO1995008858A3 Monitoring apparatus |
| 04/20/1995 | DE4334863A1 Stalling protection (lock-up protection) for an electric tool |
| 04/19/1995 | EP0649222A2 Circuit for protecting a switching power source |
| 04/19/1995 | EP0649217A1 Brushless motor |
| 04/19/1995 | EP0648372A1 Surge arrestor fail safe thermal overload mechanism |
| 04/19/1995 | CN2195155Y Long life motor |
| 04/19/1995 | CN2195151Y Middle and large motor protector |
| 04/19/1995 | CN2195150Y Energy-saving failure memory protector for asynchronous motor |
| 04/18/1995 | CA2003233C Safety device to prevent excessive battery drain |
| 04/13/1995 | WO1995010135A1 Electric motor with torque detecting means |
| 04/13/1995 | WO1995009981A1 Soft-start pump control system |
| 04/12/1995 | EP0648004A2 Power supply system |
| 04/12/1995 | EP0532521B1 Process for testing devices |
| 04/11/1995 | US5404673 Power window apparatus with safety device |
| 04/11/1995 | CA2058549C Arc preventing electrostatic power supply |
| 04/06/1995 | WO1995009466A1 Method and device for measuring and recreating the load current in a power network in connection with the occurrence of faults |
| 04/06/1995 | DE4434705A1 Method and device for monitoring at least two redundant controller channels of an exciter device of an electric generator |
| 04/05/1995 | EP0647084A1 Circuit for operating low voltage halogen lamps |
| 04/05/1995 | EP0647026A2 Over current protection device for transistor |
| 04/05/1995 | EP0647006A1 Inductively activated control and protection circuit for refrigeration systems |
| 04/05/1995 | EP0596879B1 Process and arrangement for recognizing defects in power converters |
| 04/05/1995 | EP0407525B1 Safety device to prevent excessive battery drain |
| 04/05/1995 | CN2194042Y Multi-fucntional protector for water pump |