| 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) |
|---|
| 01/18/2007 | US20070014133 Synchronous rectification circuit |
| 01/18/2007 | US20070014065 Inverted circuit overcurrent protection device and hybrid integrated circuit device with the same incorporated |
| 01/18/2007 | US20070014057 Apparatus for detecting over current of motor in vehicle |
| 01/18/2007 | US20070014056 Method and a control system for starting a motor |
| 01/18/2007 | DE102006030063A1 Wiedereinschaltbarer elektronischer Trennschalter und Verfahren zum Betrieb dieses Trennschalters Wiedereinschaltbarer electronic isolation switch and method of operation of this circuit breaker |
| 01/18/2007 | DE102006019981A1 Control device for e.g. window regulator, has temperature sensors that activate or deactivate functions of adjustment unit depending on algorithms that are assigned to respective functions, which have actual temperature as input parameter |
| 01/18/2007 | DE102005031833A1 Verfahren und elektronische Stromversorgungsvorrichtung zur Energieversorgung einer durch eine Schutzeinrichtung gesicherten Niederspannungslast A method and electronic power supply device for supplying power to a secured by a protective device low voltage load |
| 01/18/2007 | DE102005029791A1 Verfahren zur Überwachung eines Antriebs sowie Einrichtung zur Durchführung des Verfahrens Method for monitoring a drive and means for carrying out the method |
| 01/18/2007 | CA2614511A1 Circuit arrangement and method for operating at least one electric lamp |
| 01/18/2007 | CA2609040A1 Method and apparatus for providing a remedial strategy for an electrical circuit |
| 01/17/2007 | EP1744431A2 Switch for three phase asynchronous motor |
| 01/17/2007 | EP1744430A2 Apparatus for detecting an over current in a motor for a vehicle |
| 01/17/2007 | EP1743410A2 Cordless power tool with a protected weak link element |
| 01/17/2007 | EP1665492B1 Circuit arrangement for rapidly switching off low-voltage circuit breakers |
| 01/17/2007 | EP1027759B1 Load indicator |
| 01/17/2007 | CN2859887Y Short-phase protector for three-phase motor |
| 01/17/2007 | CN1898844A 电功率网络 Electric power network |
| 01/17/2007 | CN1897435A Power supplier with over-low-voltage protecting system and over-low-voltage protection |
| 01/17/2007 | CN1897403A Electric utility system with superconducting magnetic energy storage |
| 01/17/2007 | CN1897400A Method and a control system for starting a motor |
| 01/17/2007 | CN1897396A Multiple separated charger for discriminating battery polar automatically |
| 01/17/2007 | CN1897390A Actuation of 50 Hz protection definite value by current instruction |
| 01/17/2007 | CN1897389A Ripple switching protection with different power-supply line switching |
| 01/17/2007 | CN1897388A Actuating power-supply over-consumption protection and protecting circuit |
| 01/17/2007 | CN1897387A Apparatus for detecting over current of motor in vehicle |
| 01/17/2007 | CN1897386A Apparatus for detecting over current of dual motor in vehicle |
| 01/17/2007 | CN1897385A Motor control apparatus |
| 01/17/2007 | CN1897384A Electric network composition comprehensive protection |
| 01/17/2007 | CN1896898A A constant voltage circuit, a power system unit including plurality of the constant voltage circuit and control method |
| 01/17/2007 | CN1896760A Method for determining short circuit between windings of power generator rotor with load automatically |
| 01/17/2007 | CN1295836C Non-automatic power circuit breaker |
| 01/17/2007 | CN1295833C Anti-current mutual-inductor saturated suddenly-changed quantity difference current dynamic recollecting discrimination method |
| 01/16/2007 | US7164562 Configuration and method for protecting converter means |
| 01/16/2007 | US7164246 Movable barrier operator |
| 01/16/2007 | US7163757 Secondary batteries having a protective circuit |
| 01/16/2007 | US7163381 Pump and method of pump control |
| 01/16/2007 | US7162883 Compressor diagnostic method |
| 01/11/2007 | WO2007004002A1 Method for determining an asynchronous engine temperature and unit for controlling the power supply of an engine therefor |
| 01/11/2007 | WO2007003706A1 Method and arrangement for triggering a series spark gap |
| 01/11/2007 | WO2007003451A1 Protective circuit and method for monitoring the temperature of a dropping resistor |
| 01/11/2007 | US20070008753 Method and apparatus to limit maximum switch current in a switch of a switching power supply |
| 01/11/2007 | US20070008664 Method and electronic power supply device for supplying power to a low-voltage load protected by a protective device |
| 01/11/2007 | US20070008663 Electronic apparatus having DC voltage conversion function, and DC voltage converter |
| 01/11/2007 | US20070007943 Compensated current differential relaying method and system for protecting transformer |
| 01/11/2007 | DE102006029910A1 Protection circuit for operation of a liquid crystal display panel uses comparison of high and low limit signals |
| 01/11/2007 | DE102005030600A1 Einklemmschutzerkennung auf Prinzip von Vergleich des Duty Cicle einer PWM Regelung Einklemmschutzerkennung on principle of comparison of Duty Cicle a PWM control |
| 01/11/2007 | DE102005025994A1 Verfahren zum Betreiben einer elektrischen Maschine und Ansteuersystem hierzu A method of operating an electric machine drive system and for this purpose |
| 01/11/2007 | CA2613214A1 Method and arrangement for triggering a series spark gap |
| 01/10/2007 | EP1742319A2 Automated closing system with remote control of the force |
| 01/10/2007 | CN2857299Y Charging protective circuit of lithium cell |
| 01/10/2007 | CN2857298Y Power supplier with super-low voltage protecting system |
| 01/10/2007 | CN2857297Y Phase-failure under-voltage electronic protector of a.c contactor |
| 01/10/2007 | CN2857066Y Conversion air conditioning electrical system of bus |
| 01/10/2007 | CN1893218A Battery group protection circuit |
| 01/09/2007 | US7161818 High frequency excitation system |
| 01/09/2007 | US7161783 Overcurrent protection circuit for switching power supply |
| 01/09/2007 | US7161782 Intelligent fuse box for the power distribution system of a vehicle |
| 01/09/2007 | US7161779 Anti-pinch and electrical motor protection device |
| 01/09/2007 | US7161778 Rotor thermal model for use in motor protection |
| 01/09/2007 | US7161777 Superconducting magnet system with quench protection circuit |
| 01/09/2007 | US7161776 Method for monitoring a power output stage |
| 01/09/2007 | US7161775 Arc fault circuit breaker and apparatus for detecting wet track arc fault |
| 01/09/2007 | US7161328 Controller of alternator for vehicle |
| 01/09/2007 | US7161319 Movable barrier operator having serial data communication |
| 01/04/2007 | WO2007002352A2 Voltage regulator with improved protection and warning system |
| 01/04/2007 | WO2007000285A1 Control system for a permanently-excited electric machine |
| 01/04/2007 | US20070005193 Method and apparatus for control of an electric power distribution system in response to circuit abnormalities |
| 01/04/2007 | US20070002506 Circuit protection system |
| 01/04/2007 | US20070002505 Motor control system |
| 01/04/2007 | US20070001643 Method and control circuit for determining an operating state when controlling a fan motor |
| 01/04/2007 | DE102005030539A1 Schutzschaltung und Verfahren zur Überwachung der Temperatur eines Vorwiderstands Protection circuit and method for monitoring the temperature of a series resistor |
| 01/04/2007 | DE102005028559A1 Method and device to monitor rotation speed on an electric motor monitor and compare rotational signals from a measuring unit and return control signal to two-channel safety switch-off unit |
| 01/04/2007 | CA2819729A1 Voltage regulator with improved protection and warning system |
| 01/03/2007 | EP1739805A2 Window opening and closing controller |
| 01/03/2007 | EP1739803A2 Live conductor stringing and splicing method and apparatus |
| 01/03/2007 | EP1738454A2 Inverter bridge controller implementing short-circuit protection scheme |
| 01/03/2007 | EP0974182B1 Electrical safety device with conductive polymer sensor |
| 01/03/2007 | CN2854885Y High reliability switch power supply combining system and its output overvoltage protection circuit |
| 01/03/2007 | CN1890853A Unregulated DC-DC converter having synchronous rectification with efficient gate drives |
| 01/03/2007 | CN1889317A Intelligent motor power source protection circuit breaker |
| 01/03/2007 | CN1889157A Automatic cut-off protection circuit for LED display screen |
| 01/03/2007 | CN1293701C Step failing out detecting apparatus and method for synchronous motor, driving apparatus for motor |
| 01/03/2007 | CN1293307C Compressor diagnosing system |
| 01/02/2007 | US7159236 Transmission/reception integrated radio-frequency apparatus |
| 01/02/2007 | US7158394 Switching power supply circuit with a soft-start function |
| 01/02/2007 | US7157807 Three phase rectifier circuit with virtual neutral |
| 12/30/2006 | CA2543516A1 Ballast with output ground-fault protection |
| 12/30/2006 | CA2543336A1 Method for protecting a ballast from an output ground-fault condition |
| 12/28/2006 | US20060291112 Quench protection of HTS superconducting magnets |
| 12/28/2006 | US20060291111 Constant voltage circuit, system power device and method of controlling system power device |
| 12/28/2006 | US20060291110 Semiconductor integrated circuit device |
| 12/28/2006 | US20060290324 Voltage regulator with improved protection and warning system |
| 12/28/2006 | US20060290309 Control apparatus for closure device |
| 12/28/2006 | DE102006029475A1 Power factor correction rectifier`s boost switching converter, has inrush control device for controlling bidirectional semiconductor switches, and for controlling control switch to turn one semiconductor switch on and off |
| 12/28/2006 | DE102005028211A1 Switching arrangement for connecting switching nodes, has control circuit designed for n-channel MOSFET and detects one of voltages at switching nodes, where MOSFET is regulated by control input when one of voltages attains threshold value |
| 12/28/2006 | DE10034014B4 Verfahren zum Betrieb einer elektrischen Antriebseinheit A method of operating an electric drive unit |
| 12/27/2006 | EP1737032A1 Semiconductor integrated circuit device and switching power source device using the same |
| 12/27/2006 | EP1735889A2 Class e amplifier with inductive clamp |
| 12/27/2006 | EP1735888A1 Series motor and method for controlling the same |
| 12/27/2006 | EP0919450B1 Motor driven power steering device |