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) |
---|
07/26/2007 | US20070170881 Phase change materials, phase change random access memories having the same and methods of operating phase change random access memories |
07/26/2007 | DE102006003254A1 Verfahren zum Abschalten einer elektrischen Maschine im Falle einer Störung Method of shutting down an electric machine in case of failure |
07/26/2007 | DE102006002245A1 Verfahren zur Überwachung eines abschaltbaren Kabels in einem elektrischen Netz, dafür geeignete Überwachungsvorrichtung sowie Überwachungssystem Method for monitoring a turn-off cord into an electrical network, for appropriate monitoring device and monitoring system |
07/25/2007 | EP1811645A1 Power supply circuit protecting method and apparatus for the same |
07/25/2007 | EP1811248A1 Freezing apparatus |
07/25/2007 | EP1810887A2 Vehicle control unit and vehicle control method |
07/25/2007 | EP1810353A2 Fault current limiting system |
07/25/2007 | CN2927443Y Protecting control system against islet for parallel network inverse generator |
07/25/2007 | CN101005265A Intelligent powersaving device for AC motor |
07/25/2007 | CN101005239A Resonant switching power source apparatus |
07/25/2007 | CN101005237A Current sense amplifier for voltage converter |
07/25/2007 | CN101005235A Overheat protecting circuit of power supply unit and direct current power supply unit |
07/25/2007 | CN101005215A Power supply unit and method of using the same |
07/25/2007 | CN101005214A Electric grid system and method for resolving electric grid large area power cut |
07/25/2007 | CN101005207A Output voltage state indicator for power source chip |
07/25/2007 | CN101005206A Safety circuit for permanent magnet synchronous generator actuated by weak field |
07/25/2007 | CN101005205A Motor monitor system |
07/25/2007 | CN101005204A System and method of operating double fed induction generators |
07/24/2007 | US7248486 Energy efficient switching converter |
07/24/2007 | US7248152 Automatic on/off switch for vehicle power outlets |
07/24/2007 | US7248027 Power converters in which the input power coupling times are adjusted in conjunction with cycle skip counts |
07/24/2007 | US7248011 Drive for automatic operating of a vehicle door |
07/19/2007 | WO2007081789A2 Miniature electric power generator system and method for controlling a miniature electric power generator |
07/19/2007 | US20070165429 Reverse current protection for power converters having synchronous rectifiers |
07/19/2007 | US20070165347 Dc/dc converter and decentralized power generation system comprising a dc/dc converter |
07/19/2007 | US20070165341 Overvoltage-protective automotive power generation control circuit |
07/19/2007 | US20070165340 Method and a tool for calculating and displaying fault response tolerances for a power switching device |
07/19/2007 | US20070164713 Battery charging control device |
07/19/2007 | US20070164712 Regulator for eliminating noises generated by automotive power generator |
07/19/2007 | US20070164709 Battery pack protection circuit and battery pack |
07/19/2007 | DE102006015712A1 AC/DC-Power Line Communication-Modem AC / DC Power Line Communication Modem |
07/19/2007 | DE102006001007A1 Überlastschutz für einen Elektro-Bootsmotor Overload protection for an electric boat motor |
07/18/2007 | CN2924919Y Low-voltage latched control circuit with bi-level for improving power supply device protection |
07/18/2007 | CN2924880Y Three-phase motor protector |
07/18/2007 | CN2924878Y Energy-saving power-stealing-proof distribution device |
07/18/2007 | CN1326656C Electromagnetic switch and welder using the same |
07/18/2007 | CN101001011A All-line phase-interruption protection switch |
07/17/2007 | US7245514 Synchronous rectification circuit |
07/17/2007 | US7245511 Resistor dropper power supply with surge protection |
07/17/2007 | US7245510 Method and apparatus for conditional response to a fault condition in a switching power supply |
07/17/2007 | US7245508 Power conversion apparatus |
07/17/2007 | US7245470 Unsafe voltage shutoff control |
07/17/2007 | US7245469 DC backup power supply device and method for diagnosing the same |
07/17/2007 | US7245111 Regulator system for alternator |
07/17/2007 | US7245110 System for using polarized device with an AC induction motor |
07/17/2007 | US7245031 Generator with integrated powerswitch |
07/12/2007 | WO2007077369A1 Method for controlling an opening leaf of a vehicle with an anti-trap function |
07/12/2007 | US20070162189 Method and Apparatus for Determining Actual Reactive Capability Curves |
07/12/2007 | US20070159737 Method for operating a wind turbine during a disturbance in the grid |
07/12/2007 | US20070159736 Led-based lamp apparatus |
07/12/2007 | US20070159180 Arrangement for testing a power output stage |
07/12/2007 | US20070159139 Method and apparatus for generator control |
07/12/2007 | US20070157910 Method and system for controlling power to be fed to electrical loads |
07/12/2007 | DE202007003348U1 Elektrisches Antriebssystem, besonders für verstellbare Möbel The electrical drive system, especially for adjustable furniture |
07/12/2007 | DE202006001746U1 Vorrichtung zur Detektion eines Einklemmfalles An apparatus for detecting a pinching |
07/12/2007 | DE102006058971A1 Verfahren zum Überprüfen einer Steuereinrichtung eines Elektromotors sowie Prüfeinrichtung A method of verifying a control device of an electric motor and test equipment |
07/12/2007 | DE102005063069A1 Air purification device for use with e.g. carbon filter, has high voltage production device electrically connected in parallel to input of fan motor, where number of revolutions of fan motor is adjustable using changeable input voltage |
07/11/2007 | EP1806817A1 Oil-immersed electrical equipment with a short-circuiting safety device |
07/11/2007 | CN2922241Y Vehicle lithium ion storage cell equalizing protecting circuit |
07/11/2007 | CN2922235Y Power lithium ion cell protecting circuit |
07/11/2007 | CN2922234Y Over-discharge protecting circuit for power lithium ion cell |
07/11/2007 | CN2922233Y Over-charging protecting circuit for power lithium ion cell |
07/11/2007 | CN1996743A Brushless DC motor control device and control method therefor |
07/11/2007 | CN1996733A Control system for serial operation of the quick crystal brake tube |
07/11/2007 | CN1996697A Relay protection method of the line single phase grounding failure affected by the distribution-resisting capacitance and current |
07/11/2007 | CN1996696A Control circuit for intelligent breaker loop protection |
07/11/2007 | CN1996695A Multifunctional circuit of the control and protection switch appliance |
07/11/2007 | CN1996694A Design method of the measurement software for the protection direction of the PC relay protection device |
07/11/2007 | CN1996693A Fault control circuit and method therefor |
07/11/2007 | CN1996692A Protection method of the dual-power field and its circuit |
07/11/2007 | CN1996421A Continuous positioning monitoring device for double-power supply moving device |
07/11/2007 | CN1326161C Surge voltage protector for use in power transmission networks |
07/10/2007 | US7242571 Dielectric ceramic, manufacturing method therefor, and multilayer ceramic capacitor |
07/10/2007 | US7242562 Fan protection method and apparatus |
07/10/2007 | US7242244 Method and arrangement for testing a power output stage |
07/10/2007 | US7242172 Microprocessor die with integrated voltage regulation control circuit |
07/10/2007 | US7242166 Electric machine |
07/10/2007 | US7242110 Control system for canceling load unbalance of three-phase circuit |
07/05/2007 | WO2007075710A2 Active rectification of alternator output without using a position sensor |
07/05/2007 | WO2007073979A1 Superconductive magnet coil having a circuit for quenching protection and an mrt device therewith |
07/05/2007 | WO2006031810A3 Power control methods and apparatus for variable loads |
07/05/2007 | US20070153556 Inverter device |
07/05/2007 | US20070153435 Motor overcurrent protection device |
07/05/2007 | US20070153433 Motor temperature control using estimated motor temperature based on motor power dissipation |
07/05/2007 | US20070152641 Voltage generator device, motor vehicle, control method for the voltage generator device, control method for the motor vehicle, and computer-readable recording medium storing program for causing computer to execute the control method |
07/05/2007 | DE202006002525U1 Einklemmschutz einer motorisch angetriebenen Verstellvorrichtung für eine Verstellvorrichtung Pinch protection of a motor-driven adjusting device for adjusting a |
07/05/2007 | DE19813888B4 Motorschutzeinrichtung Motor protection equipment |
07/05/2007 | DE10149578B4 Vorrichtung und Verfahren zur Überwachung einer Verstellvorrichtung eines Kraftfahrzeuges, insbesondere eines Fensterhebers Apparatus and method for monitoring an adjusting device of a motor vehicle, in particular a window lifter |
07/04/2007 | EP1804359A2 Motor control apparatus and motor control method |
07/04/2007 | EP1803505A1 process to control the power unit of a cleaning machine and cleaning machine |
07/04/2007 | EP1803202A1 Method and apparatus for preventing overheating in an electronically commutated motor assembly |
07/04/2007 | CN2919640Y Neutrality point grounding protecting device |
07/04/2007 | CN2919639Y Integrated controller for electric motor |
07/04/2007 | CN2919638Y Phase-lack over-current protector |
07/04/2007 | CN2919635Y Branch line protecting type branch cable |
07/04/2007 | CN2919602Y USB wire with function of charging protection |
07/04/2007 | CN1992572A Method and apparatus for multiplexing from low-speed light port to 2M transmission line and protection switching |
07/04/2007 | CN1992491A Device for powering electric or electronic devices operatively associated with a circuit breaker |
07/04/2007 | CN1324779C Rotation speed monitoring method for protecting AC motor and outputting torsion control |
07/03/2007 | US7239496 Distance protective relay using a programmable thermal model for thermal protection |