| 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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| 03/09/2006 | US20060050449 Short circuit current ratcheting in switch mode DC/DC voltage regulators |
| 03/09/2006 | US20060050448 Power supply circuit in addition to communications equipment comprising a power supply circuit |
| 03/09/2006 | US20060049808 Method and apparatus for generator control |
| 03/09/2006 | US20060049807 Method and apparatus for generator control |
| 03/09/2006 | US20060049804 Protection method, control circuit, and battery unit |
| 03/09/2006 | DE4007214B4 Synchronised switch mode power supply e.g. for TV receiver - applies control voltage via transformer to PWM which responds to oscillator output signal for producing PWM control signal |
| 03/09/2006 | DE10348789B4 Elektrische Vorrichtung, insbesondere elektrische Maschine Electrical device, in particular electrical machine |
| 03/09/2006 | DE102005023456A1 Elektronische Steuereinheit, elektrisch unterstützte Lenkvorrichtung und Lenkeinheit mit variablem Übersetzungsverhältnis Electronic control unit electrically assisted steering device and steering unit with variable ratio |
| 03/09/2006 | DE102004043059A1 Verfahren und Schutzschaltung zur Temperaturüberwachung von kältemittelgekühlten Elektromotoren Procedures and protection circuit for monitoring temperatures of the refrigerant-cooled electric motors |
| 03/09/2006 | DE10035387B4 Stromschaltanordnung Current switching arrangement |
| 03/09/2006 | CA2575944A1 Resistor dropper power supply with surge protection |
| 03/08/2006 | EP1631936A1 Method for increasing the capacity of an installation used to carry out an industrial process |
| 03/08/2006 | CN2764045Y Safety motor with protector |
| 03/08/2006 | CN2764033Y Breaker coil protector |
| 03/08/2006 | CN2764032Y Short circuit protective circuit |
| 03/08/2006 | CN1744419A Monitoring system for capcade multi-level high-voltage frequency transfomrer power unit |
| 03/08/2006 | CN1744405A Intelligent self-learning motor protective circuit breaker |
| 03/07/2006 | US7009833 comprises electrodes, porous separator, sealed package for containing the electrolytic cell, and terminals extending therefrom |
| 03/07/2006 | US7009828 Semiconductor switching device |
| 03/07/2006 | US7009823 Energy recovery circuit and energy recovery method using the same |
| 03/07/2006 | US7009365 Systems and methods for control of vehicle electrical generator |
| 03/07/2006 | US7009354 Method for spindle bearing friction estimation for reliable disk drive startup operation |
| 03/07/2006 | US7009352 Power-window jamming preventing apparatus |
| 03/07/2006 | CA2147231C Method and device for protecting busbars |
| 03/02/2006 | WO2006023772A2 Systems and method for boosting output of an alternator |
| 03/02/2006 | US20060044851 Resistor dropper power supply with surge protection |
| 03/02/2006 | US20060044711 Adustable speed drive protection |
| 03/02/2006 | US20060044710 Ground fault detector for generator feeder |
| 03/02/2006 | US20060044709 Oring circuit |
| 03/02/2006 | US20060043940 Power generating system including a high-frequency alternator, a rectifier module, and an auxiliary power supply |
| 03/02/2006 | US20060043939 Systems and methods for control of vehicle electrical generator |
| 03/02/2006 | DE102004041396A1 Short-circuit protection circuit for converter e.g. for telecommunications equipment, has comparator connected to output DC voltage and to reference DC voltage |
| 03/02/2006 | DE102004041220A1 Verfahren zur Messung eines Laststromes A method for measuring a load current |
| 03/01/2006 | EP1630942A1 High-frequency heater inverter power source control circuit |
| 03/01/2006 | CN2762415Y Instaneous interupt incoming protection controller for laser medical apparatus |
| 03/01/2006 | CN2762414Y Open-phase protector of electric machine |
| 03/01/2006 | CN1742416A Electrostatic discharge circuit and method therefor |
| 03/01/2006 | CN1741365A Motor control system |
| 03/01/2006 | CN1741341A System and method for over-temperature protection sensing employing MOSFET on-resistance Rds_on |
| 03/01/2006 | CN1243985C Constant current constant voltage method for testing convertor driven by pulses in quasi-sinusoidal power under room temperature |
| 02/28/2006 | US7006365 Switching power supply apparatus |
| 02/28/2006 | US7006364 Driving circuit for DC/DC converter |
| 02/28/2006 | US7006340 Circuit configuration for protecting a battery against deep discharge |
| 02/28/2006 | US7006338 System and method for individual phase motor over voltage protection |
| 02/28/2006 | US7005924 Current limiting circuit with rapid response feedback loop |
| 02/28/2006 | US7005884 Monitoring apparatus for monitoring electrical drive current for an electric motor |
| 02/28/2006 | US7005833 Method of and apparatus for detecting sensor loss in a generator control system |
| 02/28/2006 | US7005818 Motor actuator with torque control |
| 02/26/2006 | CA2517188A1 Rechargeable alkaline battery with overcharging protection |
| 02/23/2006 | WO2006018503A2 Device for piloting an electric motor driving a power switch element, and module forming a switch provided with said device |
| 02/23/2006 | WO2006018487A1 Linear portable actuator and method for limiting the maximum effort of a motor of said actuator |
| 02/23/2006 | WO2006018414A1 Device for the safe isolation of a nuclear power plant from a supply mains during a mains failure |
| 02/23/2006 | WO2005109591A3 Method for triggering an electric machine, and triggering system therefor |
| 02/23/2006 | US20060038541 Regulator control circuit and method |
| 02/23/2006 | US20060038540 Systems and method for boosting output of an alternator |
| 02/23/2006 | US20060038539 Electric machine |
| 02/22/2006 | EP1628504A2 Energy saving mode in hearing aids |
| 02/22/2006 | EP1627456A1 Method and arrangement for monitoring a power output stage |
| 02/22/2006 | EP1509824B1 Motor speed-based anti-pinch control apparatus and method with rough road condition detection and compensation |
| 02/22/2006 | EP1252697B1 Method and circuit for using polarized device in ac applications |
| 02/22/2006 | CN2760828Y Pumping motor protection device |
| 02/22/2006 | CN2760827Y Dry-type hollow reactor pre-alarm protecting device |
| 02/22/2006 | CN1739227A Condition diagnosing |
| 02/22/2006 | CN1738135A Overvoltage protection device with initiation electrode under vacuum environment |
| 02/22/2006 | CN1738134A Concave, convex shaped or biconcave groove electrode overvoltage protection device under vacuum environment |
| 02/22/2006 | CN1737838A Method and apparatus for providing economic analysis of power generation and distribution |
| 02/22/2006 | CN1243393C Composite battery having internal breaker |
| 02/21/2006 | US7002783 Over voltage and surge voltage preventing circuit |
| 02/21/2006 | US7002579 Split screen GPS and electronic tachograph |
| 02/21/2006 | US7002309 Power window driving apparatus |
| 02/21/2006 | CA2396396C Method and circuit for using polarized device in ac applications |
| 02/16/2006 | US20060034023 Method and apparatus for regulating multiple outputs of a single inductor DC to DC converter |
| 02/16/2006 | US20060033459 Method and switching apparatus for recording the current in an electrical device |
| 02/16/2006 | DE19743632B4 Verfahren zur Ermittlung vorgeschädigter Leistungshalbleiterschalter in Stromrichterschaltungen Procedure for the determination of damaged power semiconductor switches in inverter circuits |
| 02/16/2006 | DE102005028908A1 System und Verfahren zum Anpassen an Schranken-Störungen und -Hindernisse System and method for adapting to barrier disorders and Obstacles |
| 02/16/2006 | DE102005022857A1 Relaissteuervorrichtung für ein elektrisches Gleichstromgerät Relay control device for a DC electric machine |
| 02/16/2006 | DE102004034028A1 Einrichtung zur Speicherung von elektrischer Energie Means for storing electric energy |
| 02/15/2006 | EP1626488A2 Method and circuit arrangement for measuring current in an electric device |
| 02/15/2006 | CN2759052Y Reversible soft starting controller for AC electric machine |
| 02/15/2006 | CN1734916A Switch power supply circuit with output short circuit protection function |
| 02/15/2006 | CN1734398A Circuit and method for controlling a power cut-off protection circuit |
| 02/15/2006 | CN1242442C Protection element |
| 02/14/2006 | US6999326 Drive controller for a self-commutated converter |
| 02/14/2006 | US6999294 Waveguide |
| 02/14/2006 | US6999291 Method and apparatus for node electronics unit architecture |
| 02/14/2006 | US6999289 Arc fault circuit interrupter which detects the cessation of arcs of an arc fault |
| 02/14/2006 | US6998920 Monolithically fabricated HBT amplification stage with current limiting FET |
| 02/14/2006 | US6998823 Method of reducing engine belt noise |
| 02/14/2006 | US6998735 Controlled rectifier bridge, control system, and method for controlling rectifier bridge by disabling gate control signals |
| 02/14/2006 | CA2315606C Ressettable fast current limiter in telecommunications protection |
| 02/09/2006 | US20060028785 Multilayer capacitor |
| 02/09/2006 | DE202005014629U1 Sicherheitseinrichtung für eine Windenergieanlage Safety device for a wind turbine |
| 02/09/2006 | DE102005029818A1 Verfahren und Vorrichtung zur Bereitstellung einer ökonomischen Analyse von Stromerzeugung und -verteilung Method and apparatus for providing an economic analysis of power generation and distribution |
| 02/09/2006 | DE102004031601A1 Akkupack für Elektrohandwerkzeugmaschine Battery pack for electric power tool |
| 02/09/2006 | DE102004030076A1 Intelligenter Antrieb Intelligent drive |
| 02/08/2006 | EP1230722B1 Method for controlling a motor driven adjustment device |
| 02/08/2006 | EP1163712B1 An improvement in a starting system for an electric motor |
| 02/08/2006 | CN2757425Y Motor control and protective module |
| 02/08/2006 | CN1732612A Mechanism for providing over-voltage protection during power up of DC-DC converter |
| 02/08/2006 | CN1731644A Power conversion device with automatic protection for servo system |