Patents
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)
10/2006
10/12/2006DE202005008954U1 Drive system for a facility with conveying/operating processes has moving processing elements driven by drive mechanisms fed by mains voltage for printing strips of paper
10/12/2006DE102005034161B3 Electronic device e.g. turning rate sensor for use in motor vehicles has uncoupling elements for decoupling grids based on noise influence
10/12/2006DE102005016721A1 Three-phase mains power system monitoring relay, has output change-over contact in connection with contactor reversal combination for automatic correction of phase sequence during incorrect phase sequence
10/12/2006DE102005015714A1 Protective device for three-phase motor, has measuring stage for determining phase voltage of each phase of three-phase motor in case of deviation to interrupt current supply to motor relay and separate motor from network
10/12/2006DE102005015620A1 Electrical energy storage unit e.g. accumulator unit, for e.g. mobile cordless equipment, has voltage generator circuit providing supply voltage based on internal supply voltage in contacts of load, where supply voltage is required by load
10/11/2006CN2826829Y Remote control energy-saving safety control cabinet of pumping unit
10/11/2006CN2826827Y Low-power consumption six wire internal earth voltage regulator with overcurrent and overvoltage protection function
10/11/2006CN2826826Y Low-power consumption six wire external earth voltage regulator with overcurrent and overvoltage protection function
10/11/2006CN2826825Y Low-power consumption three wire external earth voltage regulator with overcurrent and overvoltage protection function
10/11/2006CN2826824Y Low-power consumption three wire internal earth voltage regulator with overcurrent and overvoltage protection function
10/11/2006CN2826822Y Fan control circuit device with protection action
10/11/2006CN2826789Y Charge/discharge protection circuit of lithium ion battery pack for electric vehicle
10/11/2006CN2826785Y Overcurrent short-circuit protection circuit of multi-channel output power supply
10/11/2006CN2826782Y Protective electronic combined mutual inductor
10/11/2006CN1845412A Overpower protection device
10/11/2006CN1279365C Satellite connection earthing method and apparatus for monitoring stators
10/11/2006CN1279265C Method for recognising an obstructive situation in a motor driven element
10/10/2006US7120001 Surge voltage protector for use in power transmission networks
10/10/2006US7119523 Semiconductor chip
10/10/2006US7119519 Control apparatus for on-vehicle generator that sends power from the battery to the field winding and from the field winding back to the battery
10/10/2006US7119516 Cordless power tool with tool identification circuitry
10/10/2006US7119504 Protective circuit for reducing electrical disturbances during operation of a DC motor
10/10/2006CA2258201C Direct current electrical power reserve device
10/05/2006WO2006104430A1 Converter valve
10/05/2006US20060221526 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit
10/05/2006US20060221517 Self-triggering superconducting fault current limiter
10/05/2006US20060221516 Energy storage apparatus and related method
10/05/2006DE112004002396T5 Erweiterter unverzögerter Schutz Extended instantaneous protection
10/05/2006DE102006012044A1 Generator switch for rotary generators has switching unit for controlling switching state of circuit breaker according to phases of load and alternating voltage supply source
10/05/2006DE102005014167A1 Driver protection device for preventing overload of switching mechanism e.g. MOSFET mechanism, has control unit for transferring switching mechanism into predetermined switching status, and suppression unit that cancels transfer process
10/05/2006DE102005011520A1 Vorrichtung und Verfahren zur Bereitstellung einer Gleichspannung Apparatus and method for providing a DC voltage
10/04/2006EP1708330A2 Protective relay system
10/04/2006EP1708329A2 Protective relay system
10/04/2006EP1706937A1 Dc/dc converter and decentralized power generation system comprising a dc/dc converter
10/04/2006EP1706928A1 Method and device fo rfault detection in transformers or power lines
10/04/2006EP1706927A1 Electric power network
10/04/2006EP1445839B1 System of preventing electric arcs in connectors that supply power charges
10/04/2006CN2824403Y Temp controlled automatic charger with three colour LED
10/04/2006CN2824400Y Intelligent controller for starting water pump motor
10/04/2006CN2824399Y Electrocontrol box
10/04/2006CN2824111Y Monitor structure for main air cooling changing system
10/04/2006CN1278467C Full group test method of network reconstruction system of distribution net automatic fault isolation
10/03/2006US7117105 Method and apparatus for ground fault protection
10/03/2006US7116565 Over-power protection apparatus for self-excited power converter
10/03/2006US7116535 Methods and apparatus for protecting an MR imaging system
10/03/2006US7116081 Thermal protection scheme for high output vehicle alternator
10/03/2006US7116072 Motorized barrier operator system for setting a down force adjustment to a minimum value and method for programming the same
10/03/2006US7116009 Power distribution apparatus for distributing power to various electrical loads
10/03/2006US7115922 H-bridge drive utilizing a pair of high and low side MOSFET's in a common insulation housing
09/2006
09/28/2006US20060215427 Circuit for reducing inrush current generated during startup of a switching power supply
09/28/2006US20060215344 Electrostatic protection device for semiconductor device
09/28/2006US20060215334 Rechargeable battery
09/28/2006US20060215333 Conduction terminal and adapter for conduction terminal
09/28/2006US20060214645 Frequency converter for high-speed generators
09/28/2006US20060214644 Power generation controller
09/28/2006US20060214508 Vehicle battery protection device
09/28/2006DE202005010858U1 Vorrichtung zum Überwachen und Steuern mehrerer in Serie geschalteter Kapazitäten Apparatus for monitoring and controlling a plurality of series-connected capacity
09/28/2006DE112004002301T5 Elektrische Schutzeinrichtung für ein Fahrzeug und System, das diese einsetzt Electrical protective device for a vehicle and system employing this
09/28/2006DE102006013425A1 Industrial production plant, has power bus connected with load feeding supply lines that have reduced cross section, and protection unit integrated in control unit for safeguarding supply lines against high over current
09/27/2006EP1704636A1 Variable ac voltage regulation control method and apparatus
09/27/2006EP1704627A2 Device for controlling a final power-output stage
09/27/2006CN2822029Y No-load cut-off power saver for clothes vehicle
09/27/2006CN2822026Y Closed centrifugal cold water unit high voltage start cabinet
09/27/2006CN2821989Y Microwave isolation power source
09/27/2006CN2821988Y Lithium ion cell impedance continuous high voltage impact device
09/27/2006CN2821987Y Leakage protective circuit of air conditioner
09/27/2006CN2821986Y Built-in over current protector for AC silicon rectifier generator
09/27/2006CN2821985Y Intelligent controller for transformer
09/27/2006CN2821984Y Full network digital protector
09/27/2006CN2821879Y Battery unit and cordless power tool with said battery unit
09/27/2006CN2821586Y Dry transformer complex monitor
09/27/2006CN1839536A Protection circuit for a power supply unit, and power supply unit with a respective protection circuit
09/27/2006CN1837613A 压缩机诊断系统 Compressor diagnostic system
09/27/2006CN1277340C Circuit breakdown and oscillation identifying method based on resistance change rule
09/26/2006US7113379 DC-DC converter
09/26/2006US7113376 Motor control apparatus
09/26/2006US7113050 Integrated circuit with oscillator and electrostatic discharge protection
09/26/2006US7112900 Method and system for sensing switch position to prevent inadvertent startup of a motor
09/21/2006US20060209480 Device and method for protecting an electric machine
09/21/2006US20060209475 Power distribution panel with modular inserts
09/21/2006US20060208709 Method and device for providing the supply voltage for the loads of a vehicle on-board electrical system, using a plurality of generators
09/21/2006US20060208679 Temperature sensor-actuated infrared type load control system
09/21/2006DE202006010911U1 Mains adaptor as ecological part of measuring temperature converter, with mains rectifier, input filter, switching controller and potential separator, switching controller so arranged that high energy signal of up to 1 kv are passed
09/21/2006DE202005007220U1 Schutzschaltersystem Circuit breaker system
09/21/2006DE19819704B4 Verfahren zur zyklischen Überprüfung von Überwachungseinrichtungen in Türschließanlagen Method for cyclic testing of monitoring devices in door locking systems
09/21/2006DE102006010528A1 Batterie-Verpolschutz durch Nmos Reverse battery protection by Nmos
09/21/2006DE102005010899A1 Steuersystem mit Funktionsüberwachung für einen elektromechanischen Antrieb in einem Fahrzeug Control system having a function for monitoring an electromechanical drive in a vehicle
09/20/2006EP1703612A2 Protective relay system
09/20/2006EP1410114B1 Drive unit comprising a device for the controlled and/or modulated gradual slow-down and shut-down of a funicular
09/20/2006CN2819629Y Energy-saving controlling cabinet of motor
09/20/2006CN2819581Y Self-restored protecting circuit of paper cutter
09/20/2006CN2819580Y Protector of charaeable battery
09/20/2006CN2819579Y Power-supply switch cut-off outputting short-circuit protector
09/20/2006CN1835667A Lighting-proof branch means
09/20/2006CN1835371A Apparatus for power conversion in electric rolling stock
09/20/2006CN1835320A Modularity dynamo integrated control protector
09/20/2006CN1835319A Transformer bias protector of large power power electronic appliance
09/20/2006CN1835318A Quench protection arrangement for a superconducting magnet
09/20/2006CN1835315A Device, arrangement and system for ESD protection
09/20/2006CN1834666A Power conditioner