Patents
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)
04/2008
04/24/2008DE102006049395A1 Verfahren zum Schutz eines Heizelementes sowie Heizvorrichtung A method for protection of a heating element and heater
04/23/2008CN201051664Y 电源供应装置及设备 Power supply installations and equipment
04/23/2008CN201051658Y Construction lifting electromotor control device with temperature protection function
04/23/2008CN201051656Y High-power power transformer temperature detection and overload protector
04/23/2008CN201051291Y Electronic group envelope
04/23/2008CN101165985A Protection device and method
04/23/2008CN101165984A Circuit for producing retarding window
04/22/2008US7362557 Method, apparatus and article for bi-directional DC/DC power conversion
04/17/2008DE102006048104A1 Thermischer Überlastschutz Thermal overload protection
04/16/2008CN201048279Y Submerged pump motor protector
04/16/2008CN201048273Y Arc discharge protecting equipment with temperature detecting mode
04/16/2008CN201047272Y Huge tower trestle type long stroke beam-pumping unit unloading protecting equipment
04/15/2008US7359173 System and method for protecting IC components
04/15/2008US7359172 Junction temperature sensing for MOSFET
04/13/2008CA2606996A1 Circuit interrupter including a shunt wire current sensor and a processor having a thermal overload predictive function
04/10/2008US20080084645 Emergency solar power supply
04/03/2008DE102006043863A1 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
04/02/2008CN101154803A Protector for preventing burn-down of electric motor
04/01/2008US7352545 Compressor terminal fault interruption method and apparatus
04/01/2008US7352522 Control means and method of controlling a current through a coil
03/2008
03/27/2008DE102006052955A1 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
03/27/2008DE102006044344A1 Überspannungsschutzgerät Surge protection device
03/26/2008CN201041937Y High-voltage cabinet contact temperature monitor
03/26/2008CN101150252A Electromagnetic oven hardware protection circuit
03/19/2008CN201039567Y Current limitation control circuit
03/19/2008CN201038798Y Integral moving power supply
03/19/2008CN201038742Y Rectifier element temperature monitoring and protecting equipment
03/19/2008CN201038735Y Locking and interlocking device for coal mine main draught fan and down-hole power supply
03/19/2008CN101147308A Non-contact charger available of wireless data and power transmission, charging battery-pack and mobile divice using non-contact charger
03/18/2008CA2482738C Hydraulic arrangement and process for its use
03/13/2008US20080062605 Repair circuitry with an enhanced ESD protection device
03/13/2008US20080062589 High-voltage power supplies
03/12/2008EP1897198A1 Leakage current shunt in an electrical power distribution system utilizing solid state relays
03/12/2008EP1897197A2 Multi-threshold charging of a rechargeable battery
03/12/2008CN201034383Y High-fidelity overheating protection circuit for electric water heater
03/11/2008US7342762 Resettable circuit protection apparatus
03/11/2008US7342757 System and method for quench protection of a superconductor
03/06/2008US20080055811 Extension cord having a tempature indicator
03/06/2008US20080055810 Power cord having thermochromatic material
03/06/2008US20080055799 Apparatus and method for detecting abnormal conditions of a motor
03/05/2008CN201032523Y Temperature probe for heating ware
03/05/2008CN201032319Y Evaporator of condensed water
03/05/2008CN101136546A Intelligentized electric energy management system assembled device
03/05/2008CN100373727C Improved overheat overvoltage protection machine
03/04/2008US7339773 Method for driving a semiconductor switch and circuit configuration with a semiconductor switch
02/2008
02/27/2008EP1110038B1 Control system for bathers
02/27/2008CN201029223Y Vehicle mounted power supply and generator control device
02/27/2008CN201029203Y Reactive dynamic compensation regulator switch
02/26/2008US7336464 Power limiting circuit
02/21/2008US20080043393 Power switching device
02/21/2008US20080042579 Insulation detection power supply and electronic ballast
02/21/2008DE102006038035A1 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
02/20/2008EP1889346A1 Thermal protection for electrical installations and fittings
02/20/2008CN201025672Y Wind and power locking device for master fan
02/19/2008US7333315 Secondary battery devices
02/19/2008US7333314 Power controller, power control method, information processor, and power control program
02/19/2008US7333308 Control arrangement
02/07/2008WO2006138476A3 Multiplexed temperature sensing circuit for hid lamp ballast
02/07/2008US20080030914 Microelectronic device equipped with a thermal protection circuit and thermal protection method for a microelectronic device
02/07/2008US20080030912 Method of detecting fault extinction during a three-phase autoreclosing cycle in an AC transmission line
02/07/2008US20080030294 Fuse systems with serviceable connections
02/07/2008DE102006039592A1 Verfahren zur Beurteilung einer Halbleiterschaltung A method for evaluating a semiconductor circuit
02/07/2008DE102005004835B4 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
02/07/2008CA2657624A1 Overload prevention device for permanent magnet dc motors
02/06/2008CN201018268Y Semiconductor refrigeration system superheating protective equipment
02/06/2008CN201018267Y Ball mill sand pump motor zero load controller
02/06/2008CN201018266Y KW device with auto power-off protection, artificial reset function
02/06/2008CN201017777Y Novel electric heating bag supply unit
01/2008
01/31/2008US20080024087 System and Method for Starting a Wound Rotor Motor
01/31/2008US20080024081 Controlling device for range switch mechanism
01/30/2008EP1883143A1 Battery charging and discharging control circuit with overtemperature protection
01/30/2008CN100365305C Overload alarming protector and method thereof
01/29/2008US7324876 System for remotely controlling energy distribution at local sites
01/23/2008CN201011695Y Contact voltage regulator with superheating protection function and electric brush component used for voltage stabilizer
01/22/2008US7321484 Providing accurate detection of chip overheat and local overheat conditions in integrated circuits
01/17/2008US20080013239 Electrical fire prevention from over-temperature conditions
01/16/2008CN201008141Y Two wire terminal intelligent power supply switch
01/16/2008CN201008092Y Chain rupture warning device for cable winding and rewinding machine
01/16/2008CN201008091Y Thermal protection circuit of intelligent charger
01/16/2008CN201008052Y All-around safety plug
01/16/2008CN101106267A Unit thermal control intelligent protection system
01/16/2008CN101106264A Waterproof automatic protection device of electronic device
01/16/2008CN101105509A Device for preventing electricity theft
01/15/2008US7319578 Digital power monitor and adaptive self-tuning power management
01/15/2008US7319577 Safety shut off for water heaters
01/10/2008WO2008005915A2 System for improving illumination reliability in projection display systems
01/10/2008WO2008004445A1 Protecting apparatus, and protecting method, signal processing method and electrical quantity detecting method employed by the protecting apparatus
01/10/2008US20080007885 System for improving LED illumination reliability in projection display systems
01/09/2008CN201004720Y A medium heating device with electronic tube wind cooling protection
01/09/2008CN201004547Y Power integrated protection and monitoring module easy-to-configure
01/09/2008CN101102056A Multi-level switch system for power line disconnection protection
01/09/2008CN101102037A Digital switchboard
01/09/2008CN101101835A AC contactor with heat protection function
01/08/2008US7317605 Method and apparatus for improving performance margin in logic paths
01/03/2008US20080002326 Load drive controller and control system
01/02/2008EP1873884A1 Protective circuit for a converter
01/02/2008CN201001051Y Electric load administrative terminal embedded with communication module
01/02/2008CN201001027Y Autocontrol protective equipment of frequency converter for intelligent electricity-saving equipment
01/02/2008CN201000969Y Security protection plug for preventing fire and damage
01/02/2008CN101097442A Power supply control apparatus and method
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