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)
08/2005
08/24/2005EP1566881A1 Controller of ac generator for vehicle
08/24/2005EP1566873A2 Protection circuit group with ring structure for power electronics control devices
08/24/2005EP1566510A2 Opening and closing body control device
08/24/2005CN2720696Y Differential-action protection device of double driving system of melangeur
08/24/2005CN2720695Y Three-phase fully-controlled protective ac. contactor
08/24/2005CN2720494Y Full-automatic telecontrolled valve
08/24/2005CN1659670A Overvoltage protection device
08/24/2005CN1658469A Battery pack, battery protection processing apparatus, and startup control method of the battery protection processing apparatus
08/24/2005CN1658468A Short-circuit-proof battery circuit
08/24/2005CN1658464A Protection method of multiplexer network interface and communication equipment with multiplexer network interface
08/24/2005CN1658463A Discriminiting element for developmental fault of high-voltage transmission line of power system
08/24/2005CN1657961A Improved method of oscillating testing and deblocking
08/23/2005US6934139 Intelligent power module
08/23/2005US6933694 Control for electric motor in vehicles
08/18/2005WO2005076444A1 Dc/dc converter and decentralized power generation system comprising a dc/dc converter
08/18/2005WO2005074413A2 Class e amplifier with inductive clamp
08/18/2005US20050182987 Battery state monitoring circuit and battery device
08/18/2005US20050180068 Switching power supply controller with built-in supply switching
08/18/2005US20050180067 Charging and discharging control circuit, and charging type power supply device
08/18/2005US20050180066 Frequency-current conversion circuit, equalizer, and optical disc apparatus
08/18/2005US20050180065 System and method for managing fault in a power system
08/18/2005US20050179463 Driving apparatus of H bridge circuit and protection method of the same
08/18/2005US20050179409 Opening and closing body control device
08/18/2005DE202004010211U1 Steuerungsvorrichtung zur Steuerung einer Verstelleinrichtung eines Kraftfahrzeuges Control device for controlling an adjuster on a motor vehicle
08/18/2005DE102004004170A1 Verfahren zur Abschaltung einer Elektrowerkzeugmaschine in einem Blockierfall und Elektrowerkzeugmaschine Method for switching off a power tool in a locked case and power tool
08/18/2005DE102004002127A1 Control process for an electrical adjusting drive for a motor vehicle especially a seat motor stops movement when an adjustable maximum time is exceeded
08/17/2005EP1564077A1 Electronic current distributor for vehicle power supplies
08/17/2005EP1563595A1 Power converter
08/17/2005EP1563585A1 Electric motor comprising a temperature monitoring device
08/17/2005EP1382104B1 Method and device for measuring the temperature of windings of a drive motor
08/17/2005CN2718888Y Motor with self-protecting device
08/17/2005CN2718878Y Middle-and low-voltage bus short-circuit protector
08/17/2005CN1655417A High tension transmission line fast distance protection method based on window-varying vector
08/17/2005CN1655416A Method for protecting series lithium cells and circuit thereof
08/17/2005CN1655414A Active air-cooled control system
08/17/2005CN1655272A Frequency-current conversion circuit, equalizer, and optical disc apparatus
08/17/2005CN1215706C Power supply circuit for video display device
08/17/2005CN1215247C Detection clip device for opening/closing part
08/16/2005US6930868 Apparatus and method of detecting ground fault of solar power generation system
08/16/2005US6930867 Thermally suppressing circuit for restarting a locked motor
08/11/2005WO2005074090A1 Thermal overload protection
08/11/2005WO2005072908A1 Method for switching off an electric machine tool when blocked, and an electric machine tool
08/11/2005US20050174716 Overvoltage protection device
08/11/2005US20050174711 Switching circuit, switching method, protective device and battery pack
08/11/2005DE202004009921U1 Steuerungsvorrichtung einer Verstelleinrichtung eines Kraftfahrzeugs Control device of an adjustment of a motor vehicle
08/11/2005DE102005000753A1 Motor vehicle actuator control device, especially for an electrically actuated window lever, has a variable response threshold at which the actuator motor is stopped in response to an increase in the actuator motor torque
08/11/2005DE102004047688A1 Antriebsvorrichtung für Fenster mit elektrischem Fensterheber Drive device for windows with electric window
08/11/2005DE102004004198A1 Verfahren zur Auswertung von Drehzahl- und Drehlageinformation eines DC-Motors A method for evaluating speed and rotational position information of a DC motor
08/10/2005EP1561946A2 Generator with utility fault ride-through capability
08/10/2005EP1561945A2 Variable speed distributed drive train wind turbine system
08/10/2005EP1192706B1 Direct current motor safety circuits for fluid delivery systems
08/10/2005CN2716847Y An intelligent monitor for submersible motor
08/10/2005CN1652424A Protecting method for short-circuit between wire coils of parallel reactor of ultrahigh voltage transmission line
08/10/2005CN1652423A Digitallisation implementing method for ac motor heat overload protection
08/09/2005US6927955 Apparatus and method of detecting ground fault in power conversion system
08/04/2005WO2005071812A1 Method for evaluating information on the rotational speed and rotational position of a dc-motor
08/04/2005US20050168890 Method & apparatus for transient suppressing high-bandwidth voltage regulation
08/04/2005US20050168201 Circuit arrangement for monitoring a voltage supply, and for reliable locking of signal levels when the voltage supply is below normal
08/04/2005US20050168196 Alternator controlled rectifier
08/04/2005DE102004062224A1 Halbleitervorrichtung und Halbleitervorrichtungsmodul Semiconductor device and semiconductor device module
08/04/2005DE102004001550A1 Elektrische Handwerkzeugmaschine Electric hand tool
08/03/2005EP1559178A1 Intelligent power system
08/03/2005EP1558939A2 Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches
08/03/2005CN2715407Y High sensitivity CT open loop protection device
08/03/2005CN2715406Y Multifunctional electric motor electric power consumption protector
08/03/2005CN1649267A Circuit device of monitoring power voltage
08/03/2005CN1649226A Dry hollow reactor early warning protector
08/02/2005US6924631 Limiting ring current in short circuit between adjacent partial wingings by increasing leakage impedance
08/02/2005US6924628 Method and system for operating a generator using a dynamic capability curve
08/02/2005US6924614 Opening and closing control device for opening and closing member of vehicle
07/2005
07/28/2005WO2005067697A1 Sprayer thermal protection
07/28/2005WO2004109892A3 Controller for permanent magnet alternator
07/28/2005US20050162795 Motor vehicle
07/28/2005US20050162792 Emergent power supply system and method of achieving input current balance in such system
07/28/2005US20050162787 Arrangement for overload protection and method for reducing the current consumption in the event of mains voltage fluctuations
07/28/2005US20050162120 Method for operation of a converter circuit for a washing machine or a washer/drier, converter circuit, and washing appliance or washer/drier
07/28/2005US20050161305 Electric power tool
07/28/2005DE10057166B4 Verfahren zum Ansteuern eines verstellbaren Dachelementes oder dergleichen von Fahrzeugen A method for driving an adjustable roof element or the like of vehicles
07/27/2005EP1556936A1 Method and apparatus for control of an electric power system in response to circuit abnormalities
07/27/2005EP1433235B1 Motor control circuit overcurrent protection
07/27/2005EP1393443B1 Overcurrent detection and protection apparatus for switching element
07/27/2005CN2713707Y Electric motor automatic control chamber protection device
07/27/2005CN1645716A Safety electric motor with protector
07/27/2005CN1645705A Grounded fault selecting and protecting method for grouded system with small current
07/27/2005CN1645704A Single-phase gruonded fault protecting method for distributing net
07/27/2005CN1212699C Frequent start production and energy-saving controller for starter of motor
07/26/2005US6922318 Ground relay system in a multiplex direct grounding system
07/21/2005WO2005067134A1 Power transistor protecting circuit of motor drive circuit, motor drive circuit, and semiconductor device
07/21/2005US20050157442 System and method for distributing broadband communication signals over power lines
07/21/2005US20050157437 Overcurrent protection circuit
07/21/2005US20050156547 Movable barrier operator auto-force setting method and apparatus
07/21/2005DE10361062A1 Verfahren zur Auswertung von Drehzahl- und Drehlageinformationen eines DC-Motors A method for evaluating speed and rotational position information, a DC motor
07/21/2005DE102004030617A1 Steuervorrichtung für einen Fahrzeugwechselstromgenerator A control device for a vehicular AC generator
07/21/2005DE102004022767A1 Method for driving electrical machine e.g. for electric motor in motor vehicle, involves generating error reaction when functional block establishes non-plausibility of input variables
07/21/2005CA2493741A1 Variable speed control, stall detection and response system
07/20/2005EP1554796A1 Method for running-up a shaft assembly and device for carrying out the method
07/20/2005CN2711980Y Passive demagnetization operation protector
07/20/2005CN2711979Y Asynchronous motor with heat protection
07/20/2005CN2711969Y Fault component three-phase zero sequence brake for preventing transformer protection from error action
07/20/2005CN2711968Y Positive fault component difference stream comprehensive brake for preventing transformer protection from error action