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WO/2012/049109 |
The invention relates to a method for operating a household appliance, in which an electric semiconductor switch is functionally tested, the control connection of which is subjected at a ignition time t1, t3 to an ignition pulse (3) by m...
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WO/2012/010193 |
The present invention relates to an arrangement to detect a ground fault in an AC electric circuit (1) comprising an electric machine (10) having a neutral point (14) connecting to a neutral point and a terminal side (13), and a unit tra...
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WO/2011/144180 |
A control circuit for preventing a battery group (101) from being reversely connected includes a normally-open contactor (102), a first normally-open relay (103), a first diode (104), a second diode (105), a second normally-open relay (1...
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WO/2011/113734 |
In an on-board electrical system for a motor vehicle comprising: a first energy storage unit (Esys1) with a first voltage level (VSYS1), a second energy storage unit (Esys2) with a second voltage level (VSYS2); a control unit (CU) which ...
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WO/2011/103816 |
A reverse connection protecting device and a backup power supply comprising the same. The reverse connection protecting device includes: a charging and discharging interface (2), which defines first and second lead-in ends, and first and...
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WO/2011/088500 |
A safety control method and system to activate equipment includes multiple operation of an activation device e.g. as a safety interlock, such as a manual foot or hand control (e.g. a trigger, switch, pedal or button) to initiate activati...
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WO/2011/083029 |
The invention relates to a connecting line (10) having at least two conductors L for monitoring a supply voltage and having two further conductors P conductively connected to each other at a first end and comprising a measurement device ...
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WO/2011/075089 |
The electrical power circuit in accordance with the invention enables to control, in a fast, safe and reliable manner, the flame glow plug located in the intake manifold and the magnetic valve in a diesel engine cold start system, the sa...
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WO/2011/051016 |
The invention relates to an electric machine tool (100), comprising an electronics unit (180) for implementing a starting inhibitor, wherein the electric machine tool (100) can be connected to an associated energy source (110) in an elec...
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WO/2011/038993 |
The invention relates to a device (1) for switching at least one consumer (2), in particular in a motor vehicle, having a series connection (6) of a first switch (7) and the consumer (2) between the positive pole and the negative pole of...
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WO/2011/014132 |
Technical solution concerns an equipment for an automated measurement of the continuity of the PEN conductor and a protective conductor PE in regards with a STN 33 2000-6. The described technical solution considers two equipments. The fi...
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WO/2011/006772 |
The invention relates to an electric motor, particularly an electronically commutated electric motor. The electric motor comprises a stator and a rotor particularly implemented as a permanent magnet. The electric motor also comprises a p...
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WO/2011/001509 |
Voltage of each of the phase lines (L1, L2, L3) of a 3-phase 4-line AC power source (1) is rectified by a full-wave rectification circuit (11). It is determined whether the output voltage of the full-wave rectification circuit (11) is n...
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WO/2010/149921 |
The invention relates to an electricity meter for measuring a phase current and a voltage which are used by a user (3) over at least one phase n of an electric power distribution network (1), comprising a metrology portion (2) with an un...
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WO/2010/119106 |
The invention relates to a guide conduit (1) for a cable receptacle (2) with a support device (10) for the upper strand (6), and is designed so that the support device has an essentially flat running surface on the top side of a body whi...
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WO/2010/113187 |
This invention concerns a protection and control module for unipolar, bipolar or multipolar electrical systems that includes a detection device or sensor (3) configured to detect both the absorbed and the dispersed current by the electri...
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WO/2010/094514 |
The invention relates to a polarity reversal protection device for motor vehicles, comprising a detector device (8), a first connection element (14) connected to the detector device (8) and to a supply supporting point (12), a second con...
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WO/2010/092452 |
A circuit interrupter apparatus includes circuit interrupter and a device. The circuit interrupter includes separable contacts, an operating mechanism structured to open and close the separable contacts, and a trip mechanism cooperating ...
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WO/2010/079066 |
The invention relates to a voltage supply device for a load, in particular for a network, having an energy store that can be connected to connection terminals and a voltage transformer comprising at least one electronic switch. According...
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WO/2010/028579 |
A reversal connection protection circuit. The protection circuit includes a power supply interface (1100), a secondary battery (1200), a power switching unit (1400) and a reversal connection driving unit (1500). The reversal connection d...
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WO/2010/025606 |
A safety fire-proofing electric-control device includes air circuit breakers or contactless switches (dev10) connected in a three-phase circuit, a microcomputer governing unit (dev8), a short-circuit sampling and pretest protection unit ...
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WO/2010/018803 |
An inductive load drive circuit (10) comprises a control circuit (11) for controlling the switching of a switch circuit (12) and a protective circuit (13). The switch circuit (12) switches conduction and non-conduction of an inductive l...
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WO/2010/015375 |
The invention relates to a switch-on protection device (1) for an electrical device supplied by a supply voltage, comprising a supply voltage input (2), a switchable electric load (3) and a supply voltage switch (4) arranged in between t...
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WO/2009/156309 |
The present invention concerns a circuit breaker (18) for protecting a power line (14). The circuit breaker (18) includes a control unit (26) and a circuit breaking element (20) disconnecting the power line (14) from a power source. The ...
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WO/2009/135250 |
This invention relates to alternating current switching devices and in particular to in-line alternating current switching devices. The invention of an in-line A.C. power switching assembly includes a controllable A.C. power switch which...
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WO/2009/053488 |
The present invention is concerned with the operation of substations in which protection, control and measurement devices (Intelligent Electronic Devices IEDs) exchange operational data over a data network, for instance according to IEC ...
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WO/2009/053309 |
The present invention proposes that protection, measurement and control IEDs in a substation compute, according to interlocking rules or physical principles as well as a knowledge of the dynamic topology of the substation, for every swit...
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WO/2009/039898 |
The present invention relates to a detection circuit for detecting that a power supply unit is connected to a wrong supply voltage. Said detection circuit comprises a first voltage divider (24, 26, 28) connected to the output terminals (...
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WO/2009/026629 |
The invention resides in a transformer control circuit comprising a power supply module connected to a transformer; and a control module that regulates power supplied by the power supply module to the transformer; wherein the control mod...
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WO/2009/010328 |
The polarity reversal protection unit comprises a pyrotechnic separation unit, a detector unit, a trigger element, a first connection element that is electrically connected to at least one consumer connection and a second connection elem...
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WO/2008/157695 |
A reclosing fault protection device detects a partial bypass state. Upon detecting the partial bypass state, the fault protection device implements a ground trip delay operating slate. The ground trip delay operating state provides a del...
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WO/2008/108330 |
When a battery is reversely connected, unnecessary electrification to a glow plug is avoided. Power MOS field effect transistors (1-1 to 1-n) are provided and connected in series between a vehicle battery and glow plugs (5-1 to 5-n) depe...
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WO/2008/080793 |
For a motor vehicle controller comprising one or more first high-side-driven loads (1) which is or are driven by a load drive (2), and in particular at least one further high-side-driven load (3), with the load drive and the loads being ...
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WO/2008/077942 |
A system and a method to determine the impedance of an electrical facility being disconnected from its high or medium voltage power supply. A signal injectionunit injects a test signal at a main frequency between a reference point of an ...
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WO/2008/068275 |
The invention relates to a device for controlling the mode of operation of an electric circuit in a motor vehicle. It has a protective circuit comprising a detection unit and a control unit. The detection unit is provided for detecting t...
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WO/2008/065471 |
The present invention pertains to a closed loop over-voltage protection for audio/video connection interfaces of devices especially of mobile devices. The over- voltage protection circuit for mobile devices comprising at least one connec...
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WO/2008/061321 |
A method for detecting predetermined fault conditions associated with the supply of AC electrical power to a consumer, the supply having an active conductor and a neutral conductor with the neutral conductor being connected to earth. The...
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WO/2008/055830 |
The invention relates to MOS technology integrated electronic circuits which have to be supplied from a cell or a battery that may have a relatively high voltage liable to destroy the circuit in the event of a battery connection error, m...
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WO/2008/006247 |
An automatic pole includes a mechanical push device and a circuit board device electric-connected with each other. The mechanical push device includes a magnetic inductance device, a contact device, and a housing. The circuit board devic...
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WO/2007/121533 |
A capacitor-based (supercapacitor, ultracapictor or psudeocapcitor) electrical charger (10), rechargeable device (22) and energy storage pack for use with a rechargeable power tool. The rechargeable device (22) includes a storage capacit...
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WO/2007/079924 |
The invention relates to a control circuit used for the control of safety-critical functions of a consumer with an inductive load portion, and to a malfunction monitoring method. The consumer is intended for connection to a direct voltag...
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WO/2007/067865 |
The invention provides a sensor assembly which can sense human tissue in a protected area of a machine. An emitter plate and a plurality of sensor plates are disposed co-planar to each other and adjacent to the protected area of the mach...
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WO/2007/067865 |
The invention provides a sensor assembly which can sense human tissue in a protected area of a machine. An emitter plate and a plurality of sensor plates are disposed co-planar to each other and adjacent to the protected area of the mach...
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WO/2007/050241 |
A circuit testing closer is capable of closing a power distribution circuit and interrupting the resulting current at the next current zero. Upon detecting a fault, the circuit testing closer is operable to open contacts to isolate the f...
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WO/2007/036482 |
A high current end power stage (PA) comprises at least four power transistors (T), two electrical supply lines and at least a safety fuse (S). The at least four power transistors (T) have each a diode (D) which is blocked during normal o...
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WO/2007/017073 |
The invention relates to a facility management system or danger warning system comprising a twin-wire annular bus line which is used to supply voltage and to communicate with bus nodes, which are connected to the leads of the annular bus...
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WO/2007/017073 |
The invention relates to a facility management system or danger warning system comprising a twin-wire annular bus line which is used to supply voltage and to communicate with bus nodes, which are connected to the leads of the annular bus...
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WO/2006/090333 |
A device includes a main field effect transistor (10) and a sense field effec transistor (12) with common drain and common gate. A controlled current source (30) supplies current to the source (22) of the sense field effect transistor. T...
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WO/2006/042450 |
A short circuit breaker against electric shock comprises a microcontroller A, a fault sensing circuit B, an electromagnetic ttrip circuit C, a low voltage supply circuit D, a grounded line circuit PE, and a set of fittings F etc. the bre...
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WO/2006/018503 |
The invention relates to a device for piloting an electric motor (20) for driving a mobile conductor element (18) of a power switch connected to a power circuit (28) connected to two terminals (P, M) of an electrical battery pack, especi...
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