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)
01/2013
01/15/2013US8355231 Apparatus and method for protecting battery pack by detecting destruction of sense resistor in battery pack
01/15/2013US8355226 Ground fault sensing device
01/09/2013CN202663336U Permanent magnetic direct current brushless motor controller assembly
01/09/2013CN202663098U Water level protective device for low voltage power distribution cabinet
01/09/2013CN202663097U Improved structure of safety protection device of low-voltage distribution box
01/09/2013CN202663085U Protecting and monitoring system for motor
01/09/2013CN202655184U Atomizer circuit
01/08/2013US8351169 System and method for preventing, protecting OLTC from fire and/or transformer from explosion
01/03/2013WO2013000628A1 Electronic module, electronic arrangement and method for producing an electronic module
01/03/2013US20130003241 Electronic Safety Device
01/02/2013EP2541264A1 Electronic module, electronic arrangement and method for producing an electronic module
01/02/2013CN202651763U Motor over heating protection device
01/02/2013CN202651757U Gas-cutting protector
01/02/2013CN202651756U Smoke sensing protection apparatus
01/02/2013CN202651755U Gas leakage and electrical fire alarm power-off device
01/02/2013CN202651752U Electric leakage protection device with expansion function
01/02/2013CN202649841U Storage battery oven control circuit
01/02/2013CN102857105A Switch power source circuit and corresponding switch power source device
12/2012
12/26/2012CN202633963U Circuit of photovoltaic grid-connected inverter
12/26/2012CN202633905U Digital motor fire protection device
12/26/2012CN202633799U Box-type transformer substation with temperature protection device
12/25/2012US8339760 Thermal protection circuits and structures for electronic devices and cables
12/22/2012CA2778082A1 Electrode and method for supplying current to a reactor
12/20/2012DE102011077460A1 Protection device used in electrical power system, triggers switching of switching device based on temperature parameter of superconducting fault current limiter, in order to interrupt current flowing through current limiter
12/19/2012CN202616746U Power detecting system
12/18/2012US8334738 Fault interrupting and reclosing device
12/13/2012WO2012170734A1 Thermal protection circuit for an led bulb
12/12/2012EP2533060A1 Directional detection of resistive earth fault and medium-voltage conductor breakage
12/12/2012CN202602972U LED tunnel illuminating light fixture preventing light attenuation
12/12/2012CN202602555U Novel inversion unit for photovoltaic grid-connected inverter
12/12/2012CN202602249U Ingot furnace with industrial personal computer line separated from overtemperature alarm line
12/12/2012CN202602242U Self-recovery over-current and over-temperature protective device
12/12/2012CN102820641A Method for establishing virtual environment sensor on power distribution unit
12/12/2012CN102156000B Electric motor, electric motor winding temperature detection method and device as well as electric motor winding thermal protection method and device
12/12/2012CN101944722B Method and device for adjusting output power of electronic equipment
12/06/2012WO2012163580A1 Method for the operation of an inverter, and inverter
12/06/2012WO2012163579A1 Method for the operation of an inverter, and inverter
12/06/2012DE112010003841T5 Überstromtrennvorrichtung und überstromerfassungselement zur verwendung in der überstromtrennvorrichtung Overcurrent release device and overcurrent detection element for use in the over-current release device
12/05/2012CN202586344U Power-saving device having power-saving rate verification system
12/05/2012CN202586299U Structure of over-temperature protection circuit
12/05/2012CN202586298U Power battery thermal management switching MOS tube short-circuit protection circuit
12/05/2012CN202586297U Overvoltage-protection Li-ion battery charger protector
12/05/2012CN202586286U Motor protection and monitoring system
12/05/2012CN202586281U Intelligent protector of water pump motor
12/05/2012CN202586274U Low-temperature protection circuit of camera
12/05/2012CN202586273U Temperature protection device for socket
12/05/2012CN202586272U Pressure early warning time-delay protection device
12/05/2012CN202585018U Internal-oil metal corrugated swollen oil conservator with self-protection function
12/05/2012CN202566790U Energy-saving hair drier without carbon brush
12/05/2012CN102810845A Temperature-controlled speed-regulating device of brushless motor
12/05/2012CN101494372B Method for controlling torque signal, temperature estimation controller and electromotor system
12/04/2012US8325452 Semiconductor device
11/2012
11/29/2012WO2012160700A1 Power control apparatus, vehicle provided with same, and method for controlling electrical discharge of capacitor
11/29/2012US20120300353 Network communication device
11/28/2012CN202564922U Non-contact online detecting signal lightning arrester
11/28/2012CN202564920U Intelligent electronic tripping device and circuit breaker including same
11/28/2012CN202564915U Air conditioning fan starting protection circuit used for air conditioning fan interlock control system
11/28/2012CN202564846U Environment friendly gas-insulated metal-enclosed switchgear having alarming function
11/28/2012CN101944717B Photovoltaic generation system having high safety
11/27/2012US8319499 Coated motor vehicle battery sensor element and method for producing a motor vehicle battery sensor element
11/27/2012US8319463 Inverter apparatus, inverter control system, motor control system, and method of controlling inverter apparatus
11/25/2012CA2776612A1 Utility meter with temperature based actuation of a remote disconnect switch
11/22/2012US20120293900 Apparatus for and method of protecting wireless-coupled power devices from overvoltage, overcurrent, and overtemperature using hysteresis
11/21/2012CN202550501U High voltage circuit breaker with closing coil overtemperature protection function
11/21/2012CN202550484U Intelligent monitoring and motor protecting device with liquid level control function for electric water pump
11/21/2012CN202550483U Intelligent monitoring and motor protecting device of electric water pump
11/21/2012CN202550480U Anti-dry device used for drinking equipment
11/21/2012CN202550479U Humidity monitoring protection apparatus of switch reluctance machine controller
11/21/2012CN202550474U Air conditioner draught fan interlock circuit for air conditioner draught fan interlocking control system
11/21/2012CN202548663U Automatic temperature controller
11/21/2012CN202538245U Safety protection device for running machine
11/21/2012CN101783640B Motor speed closed loop control method
11/15/2012WO2012154970A2 Sensor-activated circuit-interrupting apparatus and method of using same
11/15/2012US20120287546 Sensor-activated circuit-interrupting apparatus and method of using same
11/15/2012DE102011075846A1 Device for monitoring of charging device for e.g. lithium ion battery of electric vehicle, has control device supplying microprocessor with power supply voltage and resetting microprocessor when integrity of microprocessor is not ensured
11/14/2012CN202535604U Streetlight control circuit
11/14/2012CN202535040U Over-temperature protection circuit used for power device
11/14/2012CN202535034U Catalytic combustion gas sensor overrun protection circuit
11/14/2012CN202534451U Novel flame-proof piezoresistor
11/13/2012US8310796 Methods and systems for operating power converters
11/08/2012US20120281328 Integrated FET and Reflowable Thermal Fuse Switch Device
11/08/2012DE102011106616A1 Verschiedene Varianten eines elektrischen Gerätes mit einer Sicherheitseinrichtung Different variants of an electrical device with a safety device
11/07/2012EP2519957A1 System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and similar.
11/07/2012CN202524097U Dynamic fling-cut switch
11/07/2012CN202524067U Input over-voltage and under-voltage protection device of communication power supply module
11/07/2012CN202524061U 60-degree thermal circuit breaker
11/07/2012CN202524060U Protective circuit for photovoltaic connecting box
11/07/2012CN202524055U Air-conditioning equipment
11/07/2012CN102769959A LED light-dimming driving circuit
11/07/2012CN102769277A Improved structure of safety protection device of low-voltage distribution cabinet
11/07/2012CN102769269A Electric locomotive main transformer overheat protection control method
11/07/2012CN102364869B Wide-voltage constant-power motor speed stabilization thermostat
11/06/2012US8305725 Current limiting apparatus and method
10/2012
10/31/2012DE112010003366T5 Energieversorgungssteuerung Power supply controller
10/31/2012DE102011018674A1 Photovoltaic system for supplying electric current to e.g. multiple consumers in building, has destruction device making photovoltaic generator to be partially inoperative and causing partial overloading of generator, if necessary
10/31/2012DE102008031029B4 Elektronisches Bauelement mit einer Schutzschaltung für eine lichtemittierende Vorrichtung An electronic device having a protection circuit for a light emitting device
10/31/2012CN202513760U Motor with thermal protector
10/31/2012CN202513553U Phase-failure and overload protector of machine tool
10/31/2012CN202513550U Irrigation and drainage motor automatic protector
10/31/2012CN202513549U Abnormality protection device of warm water squatting pan
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