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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01/15/2013 | US8355231 Apparatus and method for protecting battery pack by detecting destruction of sense resistor in battery pack |
01/15/2013 | US8355226 Ground fault sensing device |
01/09/2013 | CN202663336U Permanent magnetic direct current brushless motor controller assembly |
01/09/2013 | CN202663098U Water level protective device for low voltage power distribution cabinet |
01/09/2013 | CN202663097U Improved structure of safety protection device of low-voltage distribution box |
01/09/2013 | CN202663085U Protecting and monitoring system for motor |
01/09/2013 | CN202655184U Atomizer circuit |
01/08/2013 | US8351169 System and method for preventing, protecting OLTC from fire and/or transformer from explosion |
01/03/2013 | WO2013000628A1 Electronic module, electronic arrangement and method for producing an electronic module |
01/03/2013 | US20130003241 Electronic Safety Device |
01/02/2013 | EP2541264A1 Electronic module, electronic arrangement and method for producing an electronic module |
01/02/2013 | CN202651763U Motor over heating protection device |
01/02/2013 | CN202651757U Gas-cutting protector |
01/02/2013 | CN202651756U Smoke sensing protection apparatus |
01/02/2013 | CN202651755U Gas leakage and electrical fire alarm power-off device |
01/02/2013 | CN202651752U Electric leakage protection device with expansion function |
01/02/2013 | CN202649841U Storage battery oven control circuit |
01/02/2013 | CN102857105A Switch power source circuit and corresponding switch power source device |
12/26/2012 | CN202633963U Circuit of photovoltaic grid-connected inverter |
12/26/2012 | CN202633905U Digital motor fire protection device |
12/26/2012 | CN202633799U Box-type transformer substation with temperature protection device |
12/25/2012 | US8339760 Thermal protection circuits and structures for electronic devices and cables |
12/22/2012 | CA2778082A1 Electrode and method for supplying current to a reactor |
12/20/2012 | DE102011077460A1 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 |
12/19/2012 | CN202616746U Power detecting system |
12/18/2012 | US8334738 Fault interrupting and reclosing device |
12/13/2012 | WO2012170734A1 Thermal protection circuit for an led bulb |
12/12/2012 | EP2533060A1 Directional detection of resistive earth fault and medium-voltage conductor breakage |
12/12/2012 | CN202602972U LED tunnel illuminating light fixture preventing light attenuation |
12/12/2012 | CN202602555U Novel inversion unit for photovoltaic grid-connected inverter |
12/12/2012 | CN202602249U Ingot furnace with industrial personal computer line separated from overtemperature alarm line |
12/12/2012 | CN202602242U Self-recovery over-current and over-temperature protective device |
12/12/2012 | CN102820641A Method for establishing virtual environment sensor on power distribution unit |
12/12/2012 | CN102156000B Electric motor, electric motor winding temperature detection method and device as well as electric motor winding thermal protection method and device |
12/12/2012 | CN101944722B Method and device for adjusting output power of electronic equipment |
12/06/2012 | WO2012163580A1 Method for the operation of an inverter, and inverter |
12/06/2012 | WO2012163579A1 Method for the operation of an inverter, and inverter |
12/06/2012 | DE112010003841T5 Überstromtrennvorrichtung und überstromerfassungselement zur verwendung in der überstromtrennvorrichtung Overcurrent release device and overcurrent detection element for use in the over-current release device |
12/05/2012 | CN202586344U Power-saving device having power-saving rate verification system |
12/05/2012 | CN202586299U Structure of over-temperature protection circuit |
12/05/2012 | CN202586298U Power battery thermal management switching MOS tube short-circuit protection circuit |
12/05/2012 | CN202586297U Overvoltage-protection Li-ion battery charger protector |
12/05/2012 | CN202586286U Motor protection and monitoring system |
12/05/2012 | CN202586281U Intelligent protector of water pump motor |
12/05/2012 | CN202586274U Low-temperature protection circuit of camera |
12/05/2012 | CN202586273U Temperature protection device for socket |
12/05/2012 | CN202586272U Pressure early warning time-delay protection device |
12/05/2012 | CN202585018U Internal-oil metal corrugated swollen oil conservator with self-protection function |
12/05/2012 | CN202566790U Energy-saving hair drier without carbon brush |
12/05/2012 | CN102810845A Temperature-controlled speed-regulating device of brushless motor |
12/05/2012 | CN101494372B Method for controlling torque signal, temperature estimation controller and electromotor system |
12/04/2012 | US8325452 Semiconductor device |
11/29/2012 | WO2012160700A1 Power control apparatus, vehicle provided with same, and method for controlling electrical discharge of capacitor |
11/29/2012 | US20120300353 Network communication device |
11/28/2012 | CN202564922U Non-contact online detecting signal lightning arrester |
11/28/2012 | CN202564920U Intelligent electronic tripping device and circuit breaker including same |
11/28/2012 | CN202564915U Air conditioning fan starting protection circuit used for air conditioning fan interlock control system |
11/28/2012 | CN202564846U Environment friendly gas-insulated metal-enclosed switchgear having alarming function |
11/28/2012 | CN101944717B Photovoltaic generation system having high safety |
11/27/2012 | US8319499 Coated motor vehicle battery sensor element and method for producing a motor vehicle battery sensor element |
11/27/2012 | US8319463 Inverter apparatus, inverter control system, motor control system, and method of controlling inverter apparatus |
11/25/2012 | CA2776612A1 Utility meter with temperature based actuation of a remote disconnect switch |
11/22/2012 | US20120293900 Apparatus for and method of protecting wireless-coupled power devices from overvoltage, overcurrent, and overtemperature using hysteresis |
11/21/2012 | CN202550501U High voltage circuit breaker with closing coil overtemperature protection function |
11/21/2012 | CN202550484U Intelligent monitoring and motor protecting device with liquid level control function for electric water pump |
11/21/2012 | CN202550483U Intelligent monitoring and motor protecting device of electric water pump |
11/21/2012 | CN202550480U Anti-dry device used for drinking equipment |
11/21/2012 | CN202550479U Humidity monitoring protection apparatus of switch reluctance machine controller |
11/21/2012 | CN202550474U Air conditioner draught fan interlock circuit for air conditioner draught fan interlocking control system |
11/21/2012 | CN202548663U Automatic temperature controller |
11/21/2012 | CN202538245U Safety protection device for running machine |
11/21/2012 | CN101783640B Motor speed closed loop control method |
11/15/2012 | WO2012154970A2 Sensor-activated circuit-interrupting apparatus and method of using same |
11/15/2012 | US20120287546 Sensor-activated circuit-interrupting apparatus and method of using same |
11/15/2012 | DE102011075846A1 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 |
11/14/2012 | CN202535604U Streetlight control circuit |
11/14/2012 | CN202535040U Over-temperature protection circuit used for power device |
11/14/2012 | CN202535034U Catalytic combustion gas sensor overrun protection circuit |
11/14/2012 | CN202534451U Novel flame-proof piezoresistor |
11/13/2012 | US8310796 Methods and systems for operating power converters |
11/08/2012 | US20120281328 Integrated FET and Reflowable Thermal Fuse Switch Device |
11/08/2012 | DE102011106616A1 Verschiedene Varianten eines elektrischen Gerätes mit einer Sicherheitseinrichtung Different variants of an electrical device with a safety device |
11/07/2012 | EP2519957A1 System for monitoring oil level and detecting leaks in power transformers, reactors, current and potential transformers, high voltage bushings and similar. |
11/07/2012 | CN202524097U Dynamic fling-cut switch |
11/07/2012 | CN202524067U Input over-voltage and under-voltage protection device of communication power supply module |
11/07/2012 | CN202524061U 60-degree thermal circuit breaker |
11/07/2012 | CN202524060U Protective circuit for photovoltaic connecting box |
11/07/2012 | CN202524055U Air-conditioning equipment |
11/07/2012 | CN102769959A LED light-dimming driving circuit |
11/07/2012 | CN102769277A Improved structure of safety protection device of low-voltage distribution cabinet |
11/07/2012 | CN102769269A Electric locomotive main transformer overheat protection control method |
11/07/2012 | CN102364869B Wide-voltage constant-power motor speed stabilization thermostat |
11/06/2012 | US8305725 Current limiting apparatus and method |
10/31/2012 | DE112010003366T5 Energieversorgungssteuerung Power supply controller |
10/31/2012 | DE102011018674A1 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 |
10/31/2012 | DE102008031029B4 Elektronisches Bauelement mit einer Schutzschaltung für eine lichtemittierende Vorrichtung An electronic device having a protection circuit for a light emitting device |
10/31/2012 | CN202513760U Motor with thermal protector |
10/31/2012 | CN202513553U Phase-failure and overload protector of machine tool |
10/31/2012 | CN202513550U Irrigation and drainage motor automatic protector |
10/31/2012 | CN202513549U Abnormality protection device of warm water squatting pan |