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序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
221 Rechargeable battery with fuse part and auxiliary discharge path US13446951 2012-04-13 US09209449B2 2015-12-08 Sang-Won Byun; Soo-Seok Choi; Jeong-Won Oh; Min-Yeol Han; Hae-Kwon Yoon
A rechargeable battery including an electrode assembly including a first electrode, a second electrode, and a separator between the first and second electrodes; a case housing the electrode assembly; a cap plate covering an opening of the case; an electrode terminal extending through the cap plate; a lead tab including a fuse part and connecting the electrode terminal and the electrode assembly; and an auxiliary discharge path between opposite sides of the fuse part and having a second electrical resistance value greater than a first electrical resistance value of the fuse part.
222 Secondary battery US13294987 2011-11-11 US09209436B2 2015-12-08 Dukjung Kim
A secondary battery including an electrode assembly including a first electrode plate, a second electrode plate, and a separator between the first and second electrode plates, a case configured to accommodate the electrode assembly, and a cap assembly configured to seal the case and including a cap plate having a short-circuit opening, a reversible plate at the short-circuit opening, an insulation member on the cap plate and including an open part at a side, and a short-circuit plate configured to be inserted into and coupled to the open part for covering the short-circuit opening.
223 Switchgear for a vacuum circuit breaker comprising locking means US13979455 2012-02-02 US09202645B2 2015-12-01 David Berard; Jean-Pierre Dupraz
A movable portion of a vacuum circuit-breaker includes a circular spring sliding on an outer bearing surface in most positions, that is suitable for entering a recess on relaxing in order to define a maximally open position for the vacuum circuit-breaker in which locking is thus provided. The movable portion may be made up of two sections, of which one, made of copper, is a very good electrical conductor, and is directed towards the stationary contact and receives a connection element for connection to an outside electrical circuit; the section may be made of steel in order to promote sliding of the spring without wear.
224 Surge protection device US14009029 2012-04-02 US09088155B2 2015-07-21 Rainer Durth; Christian Depping
There is provided a surge protection device that includes (a) an input and an output, (b) a short-circuit-proof primary current path and a secondary current path between the input and the output, and (c) a fuse in a short-circuit-proof fuse box. The short-circuit-proof fuse box is arranged in the secondary current path, and (i) on one side of the secondary current path is contacted with the primary current path in a short-circuit-proof manner based on the primary current path, and (ii) on the other side of the secondary current path is contacted in a substantially short-circuit-proof manner based on the fuse. A help system for signalling and/or supply of devices for improving ignition behavior is arranged in the secondary current path, and the short-circuit-proof fuse box is also contacted to a short-circuit-proof discharge path so that a current can be guided by the help system current path.
225 Low-voltage, medium-voltage or high-voltage switchgear assembly having a short-circuiting system US12718202 2010-03-05 US08692149B2 2014-04-08 Dietmar Gentsch
A switchgear assembly includes a vacuum interrupt chamber and a short-circuiting system arranged in the vacuum interrupt chamber. To enable rapid switching with physically simple means, a vacuum area of the vacuum interrupt chamber in which a fixed contact piece is placed is subdivided via a membrane, which is provided with a breaking line and which can be penetrated by a moving piston system to the contact piece during switching. The switchgear assembly can be utilized in a low-voltage, medium-voltage or high-voltage assembly.
226 RF Thermal Fuse US13869653 2013-04-24 US20130278376A1 2013-10-24 Frantisek Hrnicko; Vaclav Volf; Libor Strachon; Thomas Kummetz; Stefan Eisenwinter; Matthew Thomas Melester; Jürgen Struller; Gabriel Toth
Certain aspects are directed to a thermal fuse for preventing overheating of RF devices in a telecommunication system. The RF thermal fuse includes a body, a conductive bolt, and a driving mechanism. The body can be positioned on a transmission line between an RF signal source and an RF device. The conductive bolt is positioned in the body. The conductive bolt has a length sufficient to provide impedance at a point of protection on the transmission line in response to the conductive bolt contacting a live conductor of the transmission line. The impedance is sufficient to reflect a portion of the incident power of an RF signal from the RF source. The driving mechanism can cause the conductive bolt to contact the live conductor in response to a temperature at or near the point of protection exceeding a threshold temperature.
227 SHORT-CIRCUITING DEVICE FOR A PHOTOVOLTAIC ARRAY US13820245 2011-09-01 US20130241317A1 2013-09-19 Franck Sarrus; Thierry Rambaud
This short-circuiting device establishes and maintains a short-circuit across the terminals of a photovoltaic array having at least one photovoltaic panel. It comprises a member designed, on a given signal, to establish and maintain a short-circuit between two electrically conductive tracks each connected to a terminal of the photovoltaic panels of the photovoltaic array. The short-circuiting device furthermore comprises an indicator that the short circuit has been established and is being maintained, the means being mechanically activated by the member designed to establish and maintain the short-circuit. The indicator includes a warning light independent of the member and establishing and maintaining the short-circuit, and that can move, under the action of an elastic member, between a retracted position, in which it indicates that electrical power is being produced by the array, and a visible position, indicating that a short-circuit has been established and is maintained between the tracks.
228 Over-voltage protection US12631033 2009-12-04 US08462478B2 2013-06-11 Carl Filip Erik Skarp
A device may include a switch and a circuit coupled to the switch. The switch may include a structure with a top portion and a bottom portion and a material included within the structure. The material is configured to expand within the structure when voltage is applied to the material. The switch may also include a conductive element located in a bottom portion of the structure and connected to the material, wherein the conductive element operates to electrically close the switch when the applied voltage exceeds a threshold. The circuit includes a resistor. The circuit is configured to reduce the voltage supplied to components of the device when the switch is closed.
229 Compact secondary substation comprising a fault protection system, a method for fault protection in a compact secondary substation, and a control unit for performing the method US12560926 2009-09-16 US08369058B2 2013-02-05 Carsten Thrue; Henrik Breder; Leif Lundin
A Compact Secondary Substation including a fault protection system and a method for fault protection in Compact Secondary Substations (CSS). The CSS includes a Ring Main Unit (RMU), a transformer and a Low Voltage (LV) switchgear. The CSS includes a number of detectors, which detectors can be placed at least in one of the RMU, the transformer or in the LV switchgear, which detectors can be connected to a control unit, which control unit by fault detection by the detectors can activate a fast operating switch for grounding. By using the fast operating grounding switch and controlling this on the basis of the detectors placed inside the CSS, an active arc fault protection is achieved. The control unit also controls the fast operating grounding switch so that it works as a working grounding switch.
230 High-speed closing switch in power distributor US12624896 2009-11-24 US08258419B2 2012-09-04 Young Woo Jeong; Hyun Wook Lee; Hae Eun Jeong; Yang Seop Sin; Young Keun Kim
A high speed closing switch in a power distributor includes: a case forming an external appearance; a first electrode provided within the case and including a through hole; a second electrode having a receiving recess facing the through hole; a moving contact point member having a cylindrical portion received in the through hole so as to be put into the receiving recess and a flange portion formed at one end of the cylindrical portion; and a closing coil wound on a base of the case, wherein a damping hole is formed at receiving recess of the second electrode. When the moving contact point member put into the receiving recess approaches its final position, a damping force is applied to the moving contact point member to stably and accurately control the final position.
231 SWITCHING DEVICE US13087911 2011-04-15 US20120090975A1 2012-04-19 Roman Kolm
To increase safety when working on electrical installations, a switching device which has a first switch position and a second switch position, includes a first movable switch contact contacting a first contact part in the first switch position and a third contact part in the second switch position, and a second movable switch contact contacting a second contact part in the first switch position and a fourth contact part in the second switch position, wherein the third contact part and the fourth contact part are conductively connected with one another. The switching device can be constructed as a ground-fault circuit interrupter and/or a line circuit breaker.
232 ARCING FAULT AND ARC FLASH PROTECTION SYSTEM HAVING A HIGH-SPEED SWITCH US12825414 2010-06-29 US20110315662A1 2011-12-29 Eldridge R. Byron; Gary W. Scott; Carlton Rodrigues; Jim Ramsey; Philippe Picot
A high-speed arc terminator for an electrical power distribution system includes a sealed, evacuated housing, and a controllable mechanical switch having first and second electrically conductive contacts enclosed within the housing and adapted to be coupled to the power distribution system outside the housing. A trigger conductor extends into the housing and has an exposed end near the gap between the contacts when the contacts are in the open position. At least one of the contacts is movable between an open position in which the contacts are separated by a gap, and a closed position in which the contacts engage each other, and an operating mechanism is provided for moving the at least one contact between the open and closed positions. A high voltage source is controllably coupled to the trigger conductor for supplying a high-voltage pulse to the trigger conductor in response to the detection of an arcing fault. The high-voltage pulse produces an arc within the gap between the contacts, to shunt fault current from the power distribution system across the gap, from one of the contacts to the other, before the contacts engage each other.
233 MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING REMOVABLE ELECTRICAL POWER SUPPLY MODULE AND RELATED METHODS US12728900 2010-03-22 US20110227551A1 2011-09-22 Jonathan BLACK
A mobile wireless communications device may include a device housing, and mobile wireless communications device circuitry carried by the device housing. The device may also include a removable electrical power supply module coupled to the mobile wireless communications device circuitry. The removable electrical power supply module may include a module housing, and within the module housing, a battery cell, a DC-to-DC converter coupled to the battery cell, and an output inductor coupled to the DC-to-DC converter. The removable electrical power supply module may also include, within the module housing, a spark suppression circuit coupled to the output inductor, and an output voltage clamp circuit coupled to the output inductor. The removable electrical power supply module may further include a pair of output terminals carried by the module housing and coupled to the output voltage clamp circuit.
234 LOW-VOLTAGE, MEDIUM-VOLTAGE OR HIGH-VOLTAGE ASSEMBLY US13036615 2011-02-28 US20110163070A1 2011-07-07 Dietmar GENTSCH
The disclosure relates to a voltage assembly having at least one short circuiting device in which a moving contact piece can be closed onto a fixed contact piece. In order to prevent breakdown at least two separated vacuum zones are arranged along a moving path of the fixed contact piece.
235 LOW-VOLTAGE, MEDIUM-VOLTAGE OR HIGH-VOLTAGE SWITCHGEAR ASSEMBLY HAVING A SHORT-CIRCUITING SYSTEM US12718202 2010-03-05 US20100219162A1 2010-09-02 Dietmar GENTSCH
A switchgear assembly includes a vacuum interrupt chamber and a short-circuiting system arranged in the vacuum interrupt chamber. To enable rapid switching with physically simple means, a vacuum area of the vacuum interrupt chamber in which a fixed contact piece is placed is subdivided via a membrane, which is provided with a breaking line and which can be penetrated by a moving piston system to the contact piece during switching. The switchgear assembly can be utilized in a low-voltage, medium-voltage or high-voltage assembly.
236 Circuit breaker and short circuiter combination US11773575 2007-07-05 US07633730B2 2009-12-15 Franz Boeder; Andreas Schumacher; Volker Friedrich
A circuit breaker for multi-phase power includes an opening-closing apparatus configured to open and close each phase of the multiphase power, a detection unit configured to detect a fault current in at least one phase of an electrical installation being protected by the circuit breaker, a plurality of connecting bars disposed on a load side of the circuit breaker, and a short circuiter disposed on the connecting bars and configured to produce a short circuit between the connecting bars if a fault current is detected by the fault-current detection unit. When a fault current occurs, a tripping signal can be transmitted by the detection system to the short circuiter. The circuit breaker is also fully operational, even without a function-activated short circuiter.
237 Overcurrent Switching Apparatus US12280578 2006-02-23 US20090257165A1 2009-10-15 Jörg Dorn
In order to form an overcurrent switching apparatus for medium-voltage or high-voltage applications with a current detection device for changing over a contact system associated with them from a first state to a second state in the event of a threshold current being exceeded, the switching properties of which overcurrent switching apparatus are precise, an actuating device is disposed downstream of the current detection device, which is in a first current branch, via a coupling device. The actuating device is configured to change over the contact system, which is in a second current branch, from the first to the second state.
238 Device for Short-Circuiting Power Semiconductor Modules US12280562 2006-02-23 US20090141416A1 2009-06-04 Mike Dommaschk; Jorg Dorn; Johann Holweg; Jorg Lang; Axel Preidel; Klaus Wurflinger
An apparatus has power semiconductor modules, which are connected to one another via connection devices so as to form a series circuit. A short-circuiting device for short-circuiting the respective power semiconductor module is assigned to each power semiconductor module. The apparatus has a reliable and at the same time cost-effective short-circuiting device. It is proposed that the short-circuiting device is a pyrotechnical/mechanical element, which has a detonation charge and a tripping device, which can be displaced by the detonation charge.
239 METHOD FOR QUENCHING A FAULT ARC, WITHIN A MEDIUM-VOLTAGE AND HIGH-VOLTAGE SWITCHGEAR ASSEMBLY, AS WELL AS SHORTING DEVICE ITSELF US12277490 2008-11-25 US20090120773A1 2009-05-14 Dietmar GENTSCH; Harald Fink
The disclosure relates to a method for quenching a fault arc in a medium-voltage and high-voltage switchgear assembly, in which at least one shorting element is connected between the phases of a three-phase distribution board. In order to allow more reliable fault arc quenching in this case, the disclosure proposes that the fault arc is detected by means of sensors and an explosive charge which acts directly on the shorting switching element fires the shorting switching element at a conical contact structure which is connected to the three-phase conductors and is configured in a complementary manner to the shorting switching element, in such a manner that the complementary contours of the shorting switching element and of the three-phase conductors result in self-locking retention in the shorting position, without any holding force.
240 CIRCUIT BREAKER AND SHORT CIRCUITER COMBINATION US11773575 2007-07-05 US20080007881A1 2008-01-10 Franz Boeder; Andreas Schumacher; Volker Friedrich
A circuit breaker for multi-phase power includes an opening-closing apparatus configured to open and close each phase of the multiphase power, a detection unit configured to detect a fault current in at least one phase of an electrical installation being protected by the circuit breaker, a plurality of connecting bars disposed on a load side of the circuit breaker, and a short circuiter disposed on the connecting bars and configured to produce a short circuit between the connecting bars if a fault current is detected by the fault-current detection unit. When a fault current occurs, a tripping signal can be transmitted by the detection system to the short circuiter. The circuit breaker is also fully operational, even without a function-activated short circuiter.
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