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)
03/2003
03/05/2003CN2539330Y 拉力过载保护器 Rally overload
03/05/2003CN2539329Y 电子电路防水器 Waterproof electronics devices
02/2003
02/25/2003US6525914 Protection system for devices connected to an alternating current electrical power supply
02/19/2003EP1108273B1 Explosion-proof plug-in connector
02/18/2003US6520279 Current-carrying control device and electric power steering apparatus
02/06/2003US20030027036 Protection apparatus for a storage battery
02/05/2003CN2534715Y Multifunction controller for preventing electricity fraudulent use
02/05/2003CN1395345A Power supply line with safety protective device
01/2003
01/28/2003US6512458 Method and apparatus for detecting failure in solar cell module, and solar cell module
01/28/2003US6512444 Fault sensing wire and alarm apparatus
01/23/2003WO2003007450A1 Method and device for protecting a conductor when an electric arc is produced
01/16/2003WO2002095894A3 Device for detecting temperature variations in a dc power supply installation
01/16/2003US20030011484 Electrical injury protection system using radio frequency transmission
01/15/2003EP1275157A1 Device for protecting a photovoltaic module against hot spots and photovoltaic module equipped with same
01/07/2003US6504697 Arrangement and method for measuring a temperature
01/07/2003US6504484 Control method using power to prevent overheat inside of electric equipment
01/02/2003US20030002235 Power line with safety device
01/01/2003CN1097864C 插座 Outlet
12/2002
12/31/2002CA2228698C Apparatus for monitoring ventilation of integrated circuits in electronic apparatus
12/26/2002US20020196109 Circuit interrupting device with reverse wiring protection
12/19/2002US20020191362 Bus bar thermal detection
12/18/2002CN2527012Y Gas leakage protector with power and gas interruption function
12/05/2002US20020181178 System for monitoring electrical circuit operation
12/05/2002US20020180611 Apparatus for preventing thermal damage to an electrical power transformer
12/05/2002DE10124692A1 Device for monitoring an areal heating element comprises an electrically insulated heating conductor in the body of the heating element and an at least partially conductive outer layer
12/04/2002CN1383243A Electrical packaged piece integrated working capacitor dynamo protector and dynamo starter
11/2002
11/28/2002WO2002095894A2 Device for detecting temperature variations in a dc power supply installation
11/21/2002WO2002092941A1 Internal vibrator for concrete compacting
11/20/2002CN2521808Y Laser power-off water-deficient and overcurrent protection controller
11/19/2002US6483687 Power supply apparatus
11/19/2002US6483420 Circuit breaker
11/13/2002CN2520602Y Device for heat protection of distribution transformer having air switch in low voltage side main circuit
11/12/2002US6479780 Circuit breaker for disconnecting an electrical apparatus from electrical network
10/2002
10/31/2002DE10120640A1 Protection device for current supply system e.g. for drive-by-wire function in vehicle, evaluates sampled current for operation of protection switch and/or current limiting device
10/30/2002CN1376902A Abnormality detecting method and protector
10/29/2002US6472097 Rechargeable battery using pressure-crush type protective device and portable electronic device using the rechargeable battery
10/24/2002US20020154459 Electricals package integrating run capacitor, motor protector and motor starter
10/22/2002US6469881 Shock hazard protection system
10/15/2002US6466424 Circuit protective device with temperature sensing
10/09/2002EP1247319A1 An improved electronic earth leakage current device
10/02/2002EP0850385B1 A method and a device for sensing the distance between a first object and a second object
10/01/2002US6459998 Sensing downed power lines
10/01/2002US6459181 Electric motor unit, in particular for motor vehicle, incorporating a control electronics
09/2002
09/26/2002US20020135959 Pivot point reset lockout mechanism for a ground for fault circuit interrupter
09/26/2002US20020135496 Abnormality detection method and protection apparatus
09/24/2002US6456476 Circuit protection relay having bimetal wiper
09/19/2002US20020131225 Semiconductor device and method of activating a protection circuit with a sampling pulse
09/18/2002EP0934615B1 Method and device for managing an electronic component with complementary mos transistors functioning under radiation
09/17/2002US6452138 Multi-conductor soft heating element
09/03/2002US6445558 Semiconductor integrated circuit device having pseudo-tuning function
08/2002
08/29/2002US20020118502 In-vehicle electric load drive/controlling device
08/29/2002US20020118129 Signal processing device and process and electrical apparatus comprising such a device
08/20/2002US6437953 Circuit interrupting device with reverse wiring protection
08/15/2002WO2002063739A1 Protection circuit-equipped secondary battery
08/15/2002WO2002063648A1 Safety electrical outlet with logic control circuit
08/14/2002EP1231695A2 Abnormality detection method and protection apparatus
08/14/2002DE10124145C1 Innenrüttler zum Verdichten von Beton Internal vibrators for compacting concrete
08/08/2002US20020105769 Load control apparatus and method having single temperature detector
08/06/2002US6428334 Adaptive/reactive safety plug receptacle
07/2002
07/31/2002CN1361455A Fault display and protection controller for mine excavator
07/25/2002US20020097546 Safety electrical outlet with logic control circuit
07/25/2002US20020097541 Thermal protection circuit and method for protecting power delivery circuit
07/25/2002DE10141349A1 Nicht-intrusives Fehlerlokalisierungssystem für ein Überhitzungs-Detektionssystem Non-intrusive fault location system for an overheating detection system
07/25/2002DE10126031C1 Heating device, such as heated cushion or underblanket, has embedded heating cord provided with relatively insulated resistance heating wires
07/23/2002US6424266 Apparatus for preventing thermal damage to an electrical power transformer
07/18/2002US20020093306 Pump controller
07/17/2002EP1223417A1 Signal treating device and method, and electrical apparatus equipped with such a device
07/17/2002CN2501020Y Eye protecting alarm for watching TV
07/16/2002US6421216 Resetable overcurrent protection arrangement
07/11/2002US20020089800 Reset lockout for circuit interrupting device
07/09/2002US6418385 Method for determining the location of a partial discharge
07/04/2002US20020083947 Fault protection system for a respiratory conduit heater element
07/02/2002US6414855 Power converter with power converter element and controller formed on different semiconductor substrates
06/2002
06/27/2002WO2002015392A3 Circuit configuration for identifying a faulty state
06/27/2002DE10062280A1 Safety circuit for electrical and/or electronic control circuit for electrical device e.g. dishwasher, detects contact by liquid for protection of electrical device
06/25/2002US6411190 Circuit breaker
06/25/2002CA2030848C Luminous tube protection circuit
06/20/2002US20020076333 Heater material
06/19/2002CN1354907A Circuit protection devices
06/19/2002CN1354539A Intelligent remote monitoring system of transformer of distribution system
06/18/2002US6407896 Power system and method of operation
06/13/2002US20020071228 Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture
06/13/2002DE10058517A1 Prevention of overheating in electrical device by controling power feed involves removing power from load if detected value exceeds desired value plus desired temperature difference value
06/12/2002EP1212766A2 Circuit breaker with independent trip and reset lockout
06/12/2002CN1353489A Method for preventing over-heat inside electric appliance by controlling electric consumption and its equipment
06/06/2002WO2002043932A1 Control circuit for a power driven tool and touch activated shearing system incorporating same
06/06/2002DE10130081A1 Leistungswandler und Halbleitervorrichtung Power converter and semiconductor device
05/2002
05/30/2002WO2001067418A3 Electrical injury protection system using radio frequency transmission
05/30/2002US20020064008 Method and apparatus for providing thermal shutdown and current limiting protection
05/29/2002CN1351399A Protecting switch for fire accident and electric destroy
05/23/2002US20020060913 Power converter with power converter element and controller formed on different semiconductor substrates
05/21/2002US6393330 Method and device for managing an electronic component with complementary MOS transistors functioning under radiation
05/21/2002US6392422 Monitoring insulation and fault current in an A/C current network to provide load shutoff whenever differential current exceeds a certain response value
05/16/2002WO2002017456A3 Protective relay
05/16/2002US20020057546 Semiconductor integrated circuit device having pseudo-tuning function
05/16/2002US20020057075 Power feeding apparatus, transporter and transport system
05/16/2002US20020056858 Wiper control device
05/16/2002DE10051976A1 Schaltungsanordnung zum Betreiben einer Last Circuit arrangement for operating a load
05/14/2002US6388849 ARC fault detector responsive to average instantaneous current and step increases in current and circuit breaker incorporating same
05/09/2002US20020053554 Circuit breaker for disconnecting an electrical apparatus from electrical network
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