Patents for H02H 5 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (5,568) |
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04/24/2008 | DE102006049395A1 Verfahren zum Schutz eines Heizelementes sowie Heizvorrichtung A method for protection of a heating element and heater |
04/23/2008 | CN201051664Y 电源供应装置及设备 Power supply installations and equipment |
04/23/2008 | CN201051658Y Construction lifting electromotor control device with temperature protection function |
04/23/2008 | CN201051656Y High-power power transformer temperature detection and overload protector |
04/23/2008 | CN201051291Y Electronic group envelope |
04/23/2008 | CN101165985A Protection device and method |
04/23/2008 | CN101165984A Circuit for producing retarding window |
04/22/2008 | US7362557 Method, apparatus and article for bi-directional DC/DC power conversion |
04/17/2008 | DE102006048104A1 Thermischer Überlastschutz Thermal overload protection |
04/16/2008 | CN201048279Y Submerged pump motor protector |
04/16/2008 | CN201048273Y Arc discharge protecting equipment with temperature detecting mode |
04/16/2008 | CN201047272Y Huge tower trestle type long stroke beam-pumping unit unloading protecting equipment |
04/15/2008 | US7359173 System and method for protecting IC components |
04/15/2008 | US7359172 Junction temperature sensing for MOSFET |
04/13/2008 | CA2606996A1 Circuit interrupter including a shunt wire current sensor and a processor having a thermal overload predictive function |
04/10/2008 | US20080084645 Emergency solar power supply |
04/03/2008 | DE102006043863A1 Circuit arrangement for controlling drive motor of compressor for production of compressed air, has outlet valve activated when drive motor reaches operating speed or rotational speed close to operating speed |
04/02/2008 | CN101154803A Protector for preventing burn-down of electric motor |
04/01/2008 | US7352545 Compressor terminal fault interruption method and apparatus |
04/01/2008 | US7352522 Control means and method of controlling a current through a coil |
03/27/2008 | DE102006052955A1 Surge arrester for use in e.g. photovoltaic system, has link type clamp arranged in movement path of conductor section or link and comprising end coming in contact with link when switch guide is activated |
03/27/2008 | DE102006044344A1 Überspannungsschutzgerät Surge protection device |
03/26/2008 | CN201041937Y High-voltage cabinet contact temperature monitor |
03/26/2008 | CN101150252A Electromagnetic oven hardware protection circuit |
03/19/2008 | CN201039567Y Current limitation control circuit |
03/19/2008 | CN201038798Y Integral moving power supply |
03/19/2008 | CN201038742Y Rectifier element temperature monitoring and protecting equipment |
03/19/2008 | CN201038735Y Locking and interlocking device for coal mine main draught fan and down-hole power supply |
03/19/2008 | CN101147308A Non-contact charger available of wireless data and power transmission, charging battery-pack and mobile divice using non-contact charger |
03/18/2008 | CA2482738C Hydraulic arrangement and process for its use |
03/13/2008 | US20080062605 Repair circuitry with an enhanced ESD protection device |
03/13/2008 | US20080062589 High-voltage power supplies |
03/12/2008 | EP1897198A1 Leakage current shunt in an electrical power distribution system utilizing solid state relays |
03/12/2008 | EP1897197A2 Multi-threshold charging of a rechargeable battery |
03/12/2008 | CN201034383Y High-fidelity overheating protection circuit for electric water heater |
03/11/2008 | US7342762 Resettable circuit protection apparatus |
03/11/2008 | US7342757 System and method for quench protection of a superconductor |
03/06/2008 | US20080055811 Extension cord having a tempature indicator |
03/06/2008 | US20080055810 Power cord having thermochromatic material |
03/06/2008 | US20080055799 Apparatus and method for detecting abnormal conditions of a motor |
03/05/2008 | CN201032523Y Temperature probe for heating ware |
03/05/2008 | CN201032319Y Evaporator of condensed water |
03/05/2008 | CN101136546A Intelligentized electric energy management system assembled device |
03/05/2008 | CN100373727C Improved overheat overvoltage protection machine |
03/04/2008 | US7339773 Method for driving a semiconductor switch and circuit configuration with a semiconductor switch |
02/27/2008 | EP1110038B1 Control system for bathers |
02/27/2008 | CN201029223Y Vehicle mounted power supply and generator control device |
02/27/2008 | CN201029203Y Reactive dynamic compensation regulator switch |
02/26/2008 | US7336464 Power limiting circuit |
02/21/2008 | US20080043393 Power switching device |
02/21/2008 | US20080042579 Insulation detection power supply and electronic ballast |
02/21/2008 | DE102006038035A1 Printed circuit board monitoring device for e.g. resistor of electronic device, has photo-detector with light sensitive surface arranged at distance to surfaces of circuit board, where sensitive surface is turned towards surface of board |
02/20/2008 | EP1889346A1 Thermal protection for electrical installations and fittings |
02/20/2008 | CN201025672Y Wind and power locking device for master fan |
02/19/2008 | US7333315 Secondary battery devices |
02/19/2008 | US7333314 Power controller, power control method, information processor, and power control program |
02/19/2008 | US7333308 Control arrangement |
02/07/2008 | WO2006138476A3 Multiplexed temperature sensing circuit for hid lamp ballast |
02/07/2008 | US20080030914 Microelectronic device equipped with a thermal protection circuit and thermal protection method for a microelectronic device |
02/07/2008 | US20080030912 Method of detecting fault extinction during a three-phase autoreclosing cycle in an AC transmission line |
02/07/2008 | US20080030294 Fuse systems with serviceable connections |
02/07/2008 | DE102006039592A1 Verfahren zur Beurteilung einer Halbleiterschaltung A method for evaluating a semiconductor circuit |
02/07/2008 | DE102005004835B4 Verfahren zur Überwachung der Temperatur zumindest eines Lagers einer elektrischen Maschine, hiermit korrespondierende Überwachungseinrichtung sowie elektrische Maschine mit einer derartigen Überwachungseinrichtung Method for monitoring the temperature of at least one bearing of an electrical machine, corresponding thereto monitoring device and electric machine with such a monitoring device |
02/07/2008 | CA2657624A1 Overload prevention device for permanent magnet dc motors |
02/06/2008 | CN201018268Y Semiconductor refrigeration system superheating protective equipment |
02/06/2008 | CN201018267Y Ball mill sand pump motor zero load controller |
02/06/2008 | CN201018266Y KW device with auto power-off protection, artificial reset function |
02/06/2008 | CN201017777Y Novel electric heating bag supply unit |
01/31/2008 | US20080024087 System and Method for Starting a Wound Rotor Motor |
01/31/2008 | US20080024081 Controlling device for range switch mechanism |
01/30/2008 | EP1883143A1 Battery charging and discharging control circuit with overtemperature protection |
01/30/2008 | CN100365305C Overload alarming protector and method thereof |
01/29/2008 | US7324876 System for remotely controlling energy distribution at local sites |
01/23/2008 | CN201011695Y Contact voltage regulator with superheating protection function and electric brush component used for voltage stabilizer |
01/22/2008 | US7321484 Providing accurate detection of chip overheat and local overheat conditions in integrated circuits |
01/17/2008 | US20080013239 Electrical fire prevention from over-temperature conditions |
01/16/2008 | CN201008141Y Two wire terminal intelligent power supply switch |
01/16/2008 | CN201008092Y Chain rupture warning device for cable winding and rewinding machine |
01/16/2008 | CN201008091Y Thermal protection circuit of intelligent charger |
01/16/2008 | CN201008052Y All-around safety plug |
01/16/2008 | CN101106267A Unit thermal control intelligent protection system |
01/16/2008 | CN101106264A Waterproof automatic protection device of electronic device |
01/16/2008 | CN101105509A Device for preventing electricity theft |
01/15/2008 | US7319578 Digital power monitor and adaptive self-tuning power management |
01/15/2008 | US7319577 Safety shut off for water heaters |
01/10/2008 | WO2008005915A2 System for improving illumination reliability in projection display systems |
01/10/2008 | WO2008004445A1 Protecting apparatus, and protecting method, signal processing method and electrical quantity detecting method employed by the protecting apparatus |
01/10/2008 | US20080007885 System for improving LED illumination reliability in projection display systems |
01/09/2008 | CN201004720Y A medium heating device with electronic tube wind cooling protection |
01/09/2008 | CN201004547Y Power integrated protection and monitoring module easy-to-configure |
01/09/2008 | CN101102056A Multi-level switch system for power line disconnection protection |
01/09/2008 | CN101102037A Digital switchboard |
01/09/2008 | CN101101835A AC contactor with heat protection function |
01/08/2008 | US7317605 Method and apparatus for improving performance margin in logic paths |
01/03/2008 | US20080002326 Load drive controller and control system |
01/02/2008 | EP1873884A1 Protective circuit for a converter |
01/02/2008 | CN201001051Y Electric load administrative terminal embedded with communication module |
01/02/2008 | CN201001027Y Autocontrol protective equipment of frequency converter for intelligent electricity-saving equipment |
01/02/2008 | CN201000969Y Security protection plug for preventing fire and damage |
01/02/2008 | CN101097442A Power supply control apparatus and method |