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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10/25/2005 | US6958923 Rectifying circuit |
10/25/2005 | US6958894 Relaying method for protecting a transformer using a difference of current |
10/20/2005 | US20050231868 Dry-type high-voltage load system device and method for preventing chain disconnection/arc discharge of the device |
10/20/2005 | US20050231865 Method and device for protection of a switching device controlled by a control unit |
10/20/2005 | US20050231860 Motor controller with automated input power determination |
10/20/2005 | US20050231859 Methods and apparatus for protecting an MR imaging system |
10/20/2005 | US20050231174 Controller of ac generator for vehicle |
10/20/2005 | US20050231146 Motor drive |
10/19/2005 | CN2735625Y Comprehensive protection magnetic switch for motor |
10/19/2005 | CN2735623Y Long-distance short circuit protection digital power feeding switch for mine |
10/19/2005 | CN1685602A System and method for individual phase motor over voltage protection |
10/19/2005 | CN1684359A Electric level detector for protection control power amplifier |
10/19/2005 | CN1684331A Anti-explosion power source surge protector |
10/19/2005 | CN1684330A Methods and apparatus for protecting an MR imaging system |
10/18/2005 | US6956363 Differential protection method for producing a fault signal characteristic of a fault |
10/13/2005 | WO2005094523A2 Switched-capacitor power supply system and method |
10/13/2005 | US20050226731 Controller for a motor and a method of controlling the motor |
10/13/2005 | US20050225908 Power converter system and method |
10/13/2005 | US20050225421 Secondary battery with protective circuit |
10/13/2005 | US20050225335 Moisture detector |
10/13/2005 | US20050225302 Generator system and method for operating such a system |
10/13/2005 | US20050223782 Transformer monitoring system |
10/13/2005 | DE19607688B4 Verfahren und Vorrichtung zur Erfassung und Diagnose eines anormalen Betriebszustandes in einem Servosteuersystem Method and apparatus for detection and diagnosis of an abnormal operating condition in a servo control system |
10/13/2005 | DE102004013108A1 Verfahren zum Betreiben einer Versorgungseinheit für eine Treiberschaltung sowie Versorgungseinheit für eine Treiberschaltung A method for operating a supply unit for a driver circuit and supply unit for a driver circuit |
10/13/2005 | DE10051379B4 Sicherheitseinrichtung für eine Fensterhebeanlage Safety device for a power window system |
10/12/2005 | EP1585205A2 Controller for a motor and a method of controlling the motor |
10/12/2005 | EP1584543A2 Electric power steering apparatus |
10/12/2005 | CN2733704Y Intrinsic safety lithium ion power supply |
10/12/2005 | CN2733371Y An apparatus for testing transformer |
10/12/2005 | CN1682419A Electrical network protection system |
10/12/2005 | CN1681688A Fuses for motor vehicle switch system |
10/12/2005 | CN1681186A Generator system and method for operating such a system |
10/12/2005 | CN1681054A 变压器监视系统 Transformer Monitoring System |
10/12/2005 | CN1680727A Controlling circuit of low-voltage high rotating speed rotation with high-voltage activation for DC fan motor |
10/12/2005 | CN1223066C Chargeable switch controlling circuit |
10/11/2005 | US6954345 Generator for producing high voltages |
10/11/2005 | US6954108 Fast-response current limiting |
10/11/2005 | US6954052 Control apparatus and control method of generator for vehicle |
10/11/2005 | US6954043 Power window driving apparatus |
10/06/2005 | WO2005093934A1 Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit |
10/06/2005 | WO2005091874A2 Apparatus and method for the production of power frequency alternating current directly from the output of a single-pole type generator |
10/06/2005 | WO2005091797A2 Method for improved battery state of charge |
10/06/2005 | US20050222808 Determining an operational limit of a power transmision line |
10/06/2005 | US20050219776 Semiconductor device for controlling switching power supply |
10/06/2005 | US20050218993 Fast-response current limiting |
10/06/2005 | US20050218915 Method and apparatus for battery testing |
10/06/2005 | US20050218035 Infrared transmissive integrated circuit socket cap |
10/06/2005 | DE102004011222A1 Checking method for an electric connection in an electric motor driving a scroll compressor records temperatures during the scroll compressor's operation |
10/06/2005 | DE10082534B4 Verfahren zur Regelung einer elektromotorisch angetriebenen Verstelleinrichtung für Fahrzeuge, zum Beispiel für Fensterheber sowie Vorrichtung zur Durchführung des Verfahrens Method for controlling an electric motor driven adjustment device for vehicles, for example, for window regulators, as well as apparatus for carrying out the method |
10/05/2005 | EP1583198A2 Mobile machine tool powered by the mains |
10/05/2005 | EP1583197A2 Protection of power semiconductor components |
10/05/2005 | EP1581842A2 Circuit protection system |
10/05/2005 | CN1678916A Apparatus and method for evaluating underground electric power cables |
10/05/2005 | CN1677824A Semiconductor device for controlling switching power supply |
10/05/2005 | CN1677788A Battery, battery protection processing device and control method |
10/05/2005 | CN1676930A Protection device for electric compressor |
10/05/2005 | CN1222104C Method for limiting an electric current passing through an electrical component and current limiting device |
10/04/2005 | US6952356 Adaptive over-current detection |
10/04/2005 | US6952087 Method for controlling an adjustment process of a part |
09/29/2005 | WO2005091459A1 Overload release |
09/29/2005 | WO2005091358A1 Semiconductor integrated circuit device and switching power source device using the same |
09/29/2005 | US20050213280 Trench capacitor power supply system and method |
09/29/2005 | US20050213275 Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same |
09/29/2005 | US20050213268 Method and circuit for improving device power up timing and predictability |
09/29/2005 | US20050213267 Switched-capacitor power supply system and method |
09/29/2005 | US20050213266 Horsefeeder |
09/29/2005 | US20050212679 Protection of power semiconductor components |
09/29/2005 | US20050212527 Detecting the status of an electrical fuse |
09/29/2005 | US20050212470 Power window system |
09/28/2005 | EP1580861A2 Control automatism for the movement of a door |
09/28/2005 | EP1579952A1 Machine with three-phase motor |
09/28/2005 | CN2730022Y Automatic recovery protection circuit type switch supply unit |
09/28/2005 | CN2729981Y Digital comprehensive protector |
09/28/2005 | CN1675559A Fault location using measurements of current and voltage from one end of a line |
09/28/2005 | CN1674390A Lightning protection device for video frequency monitoring equipment |
09/28/2005 | CN1674388A Short-circuit fault current limiter |
09/28/2005 | CN1674387A Method and system for preventing electric network from collapsing |
09/28/2005 | CN1674386A Balanced line signal interface protection circuit |
09/28/2005 | CN1674385A Method for realizing equipment network communication of motor protection monitoring apparatus |
09/28/2005 | CN1674246A Semiconductor integrated circuit having current detection functionality and power supply unit equipped with the same |
09/27/2005 | US6950764 Arrangements to detect and respond to disturbances in electrical power systems |
09/27/2005 | US6950292 Combination current sensor and relay |
09/27/2005 | US6949945 Method and apparatus for measurement of the winding temperature of a drive motor |
09/22/2005 | US20050208347 Secondary battery |
09/22/2005 | US20050207083 Series arc detection |
09/22/2005 | US20050207082 Dual bus static tie switch |
09/22/2005 | US20050207081 System for remotely controlling energy distribution at local sites |
09/22/2005 | US20050207080 Apparatus for offset correcting high-side and low-side sinking/sourcing over-current protection |
09/22/2005 | US20050207074 Circuit and method for protecting against overload of an electric motor |
09/22/2005 | US20050206436 Method of forming a transistor driver and structure therefor |
09/22/2005 | US20050206359 Detecting currents in a switching regulator |
09/22/2005 | US20050206350 Vehicle generator and vehicle generating system |
09/22/2005 | US20050206336 Control for electric motor in vehicles |
09/22/2005 | DE102004060656A1 Stromunterbrecherschaltung und elektrische Lenkradsperre Circuit breaker circuit and electric steering lock |
09/21/2005 | EP1577997A2 Protection circuit for dual voltage electrical distribution system |
09/21/2005 | EP1577973A1 Lithium-ion battery with by-passing diodes incorporated in the cell |
09/21/2005 | EP1577132A1 Vehicle air conditioner |
09/21/2005 | EP1576709A1 Electronic control circuit and triac operation-monitoring method |
09/21/2005 | CN2728096Y FET automotive alternator voltage regulator with multiple protective functions |
09/21/2005 | CN2728072Y Exponent type motor protector |