Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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09/21/2005 | CN2728071Y Digital setting motor and pump protector |
09/21/2005 | CN1672317A Electric machine |
09/21/2005 | CN1669843A Vehicle air conditioner |
09/21/2005 | CN1220224C Electric equipment including transformer, unloading connector converter and load switching-off device |
09/21/2005 | CN1219642C Ink-jet printer ink-ejecting unit open circuit and short circuit testing process and apparatus |
09/20/2005 | US6947270 Building block for series connection in high power converter |
09/20/2005 | US6947269 Relay-to-relay direct communication system in an electric power system |
09/20/2005 | US6947265 Matrix current limiter with transformer configurations |
09/20/2005 | US6946967 Protective device for an electric motor with sensor and evaluation unit |
09/20/2005 | US6946811 Entrapment detecting device for an opening/closing member |
09/20/2005 | US6946809 Motor driving system |
09/20/2005 | US6946752 Input power stabilizing circuit |
09/20/2005 | US6946607 Resistance assembly for hookstick operated switching assembly |
09/20/2005 | CA2143990C Heat protection electronic device |
09/15/2005 | WO2005086312A1 Method for monitoring the adjustment movement of a component driven by a driving device |
09/15/2005 | WO2005086311A1 Protective device for a consumer branch |
09/15/2005 | WO2005085792A1 Method and apparatus for assessing condition of motor-driven mechanical system |
09/15/2005 | WO2005053993A3 Vehicle electrical protection device and system employing same |
09/15/2005 | US20050203690 Controlling device of a regulating device of a motor vehicle |
09/15/2005 | US20050201128 Driving circuit for DC/DC converter |
09/15/2005 | US20050201034 Anisotropic conductive sheet |
09/15/2005 | US20050201033 Apparatus for monitoring open state of the secondary terminals of a current transformer |
09/15/2005 | US20050201030 Protection circuit for dual voltage electrical distribution system |
09/15/2005 | US20050201025 Capacitor coupling circuits |
09/15/2005 | US20050200336 Method for acceleration of a shaft run, as well as an apparatus for carrying out the method |
09/15/2005 | US20050198982 Vehicle air conditioniner |
09/15/2005 | DE102005006867A1 Halbleiterschalter Semiconductor switches |
09/15/2005 | DE102004039392B3 Detecting current in electrical device driven by field effect transistor using pulse width modulation involves deriving current from pulse width modulation, source-daring voltage, ambient temperature and supply voltage |
09/15/2005 | DE102004011015A1 Monitoring displacement, especially of vehicle window or sliding roof, involves feeding signals representing drive device deceleration to neural network with buried layer(s) that outputs displacement force or jammed/non-jammed state value |
09/15/2005 | CA2556637A1 Pressure washer with diagnostic indicators |
09/14/2005 | EP1573877A1 Protective switch |
09/14/2005 | EP1299782B1 Method for operating an electrical drive unit |
09/14/2005 | EP1066672B1 Maintaining, positioning or clamping device |
09/14/2005 | CN2726195Y Three-phase electric machine switch apparatus with short phase and over voltage protecting function |
09/14/2005 | CN2726194Y Single chip control circuit with surge protecting circuit |
09/14/2005 | CN2725958Y Motor temp rising controller for threading machine |
09/14/2005 | CN2725421Y Starting device of concrete vibrator |
09/14/2005 | CN1669212A Method for operating a wind power plant and method for operating it |
09/14/2005 | CN1668163A Anisotropic conductive sheet |
09/14/2005 | CN1667912A Battery state monitoring circuit and battery device |
09/14/2005 | CN1667911A Charging and discharging control circuit, and charging type power supply device |
09/14/2005 | CN1667907A Earth leakage protecting method and apparatus for one line one ground type DC supply circuit |
09/14/2005 | CN1667539A Voltage regulator and method of manufacturing the same |
09/14/2005 | CN1667309A Solenoid valve protection circuit |
09/13/2005 | US6944692 Automated calibration of I/O over a multi-variable eye window |
09/13/2005 | US6944036 DC/DC converter with voltage clamp circuit |
09/13/2005 | US6944004 Arrangements to detect and respond to disturbances in electrical power systems |
09/13/2005 | CA2337107C Arcing fault detection system |
09/09/2005 | WO2005081771A2 System and method for managing fault in a power system |
09/08/2005 | US20050194948 Microprocessor die with integrated voltage regulation control circuit |
09/08/2005 | US20050194941 Method and apparatus for the production of power frequency alternating current directly from the output of a single-pole type generator |
09/08/2005 | US20050194939 Method and circuit for using polarized device in AC applications |
09/08/2005 | US20050194839 Versatile and intelligent power controller |
09/08/2005 | DE202005010430U1 Energy transmission conductor for pcs and sensors has protection circuit between dc supply and driven load to with excess current and excess voltage protection units |
09/08/2005 | DE102004020830A1 Safety system used with power electronics of frequency converter includes multi-channel inputs and outputs with reception of shutdown signal from previous safety stages |
09/08/2005 | DE102004007288A1 Schaltungsanordnung zum Überlastungsschutz eines ansteuerbaren Schaltelements Circuit for overload protection of a controllable switching element |
09/07/2005 | EP0806537B1 System for determining the position in automatic doors |
09/07/2005 | CN2724274Y Microcomputer protective test and control device |
09/07/2005 | CN1665120A 集成电磁起动器 Integrated electromagnetic starter |
09/07/2005 | CN1665094A Open-phase protector using silicon controlled switch characteristics directly |
09/07/2005 | CN1665093A Large-scale steamer generator neutral point lead-out mode and arrangement protecting method |
09/07/2005 | CN1218349C Overload protection device, electric compressor and refrigerating air-conditioner apparatus |
09/07/2005 | CN1218187C Method and apparatus for detecting failed thyristor |
09/06/2005 | US6941233 Arrangements to detect and respond to disturbances in electrical power systems |
09/06/2005 | US6940702 Electrical protection system |
09/06/2005 | US6940246 Power-window jamming preventing apparatus |
09/06/2005 | US6940240 Movable barrier operator multi-technique excess force avoidance apparatus and method |
09/06/2005 | CA2170696C Step down transformer power supply with short circuit protection |
09/01/2005 | WO2005081390A1 Method for diagnosing operating states of a synchronous pump, and device for carrying out said method |
09/01/2005 | WO2005081276A1 Safety device and overcurrent cut-off system using same |
09/01/2005 | WO2005079447A2 Switching power supply controller with built-in supply switching |
09/01/2005 | WO2005079430A2 Versatile and intelligent power controller |
09/01/2005 | WO2005022714A3 Live conductor stringing and splicing method and apparatus |
09/01/2005 | US20050190519 Vehicle electrical protection device and system employing same |
09/01/2005 | US20050190511 Motor disconnect arrangement for a variable speed drive |
09/01/2005 | US20050189928 Method for improved battery state of charge |
09/01/2005 | DE10329914B4 Fehlererkennung für Powerring Error Detection for Power Ring |
09/01/2005 | DE102004007241A1 Protection circuit for semiconductor integrated circuit e.g. for automobile technology, uses control circuit for driving protection circuit |
09/01/2005 | DE102004004729A1 Schaltungsanordnung zum Überwachen einer Spannungsversorgung und sicheren Verriegeln von Signalpegeln bei Spannungsunterversorgung Circuit arrangement for monitoring a supply voltage and safe locking of signal levels at voltage supply |
08/31/2005 | CN2722485Y Phase-off protector of motor |
08/31/2005 | CN2722484Y Phase-off and phase sequence protector of three-phase motor for air conditioner compressor |
08/31/2005 | CN2722305Y Intelligent controller of valve |
08/31/2005 | CN1661876A Protectin system for warming reverse polarity when charging batteries |
08/31/2005 | CN1217472C Inverter |
08/30/2005 | US6937453 Directional comparison distance relay system |
08/30/2005 | US6937134 Reception of protection commands in a remote tripping device |
08/30/2005 | US6936996 Control apparatus for electrical generator of vehicle |
08/30/2005 | US6936988 Power-window jamming preventing apparatus |
08/25/2005 | WO2005078887A1 Circuit arrangement for the overload protection of a controllable switching element |
08/25/2005 | WO2005078886A1 A zero-sequence current braking method for power transformer differential protection |
08/25/2005 | WO2005078885A1 Method for preventing mal-operation of transformer differential protection |
08/25/2005 | US20050187688 Method of detecting obstructions caused by motor-driven power windows and similar devices using fuzzy logic algorithms |
08/25/2005 | US20050185490 Voltage regulator and method of manufacturing the same |
08/25/2005 | US20050185350 System and method for fault contactor detection |
08/25/2005 | US20050184715 Semiconductor switch |
08/25/2005 | US20050184694 Window lifter, controlling device for a window lifter and method for the control of a window lifter |
08/25/2005 | DE4404243B4 Verfahren und Einrichtung zum Betreiben einer Offenend-Rotorspinneinheit mit einzelmotorischem elektrischem Antrieb des Spinnrotors Method and apparatus for operating an open-end rotor spinning unit with einzelmotorischem electric drive of the spinning rotor |
08/25/2005 | DE102004057771A1 Inrush current prevention circuit for DC-DC converter, has on-off circuit that transmits or isolates modulation signal to switching unit based on control signal from electronic control unit, during power input |
08/25/2005 | DE10132752B4 Verfahren und Vorrichtung zum Schutz eines Leiters bei Auftreten eines Lichtbogens Method and apparatus for protecting a conductor in an electric arc occurrence |
08/25/2005 | DE10115480B4 Schutzgerät für elektrische Lenkservoeinrichtung Protection device for electric power steering device |