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| Number | Title | Issue Date |
| 7417847 | Compact current transformer casing for gas-insulated switchgear assemblies The invention pertains to a current transformer (1′) for enclosed, gas-insulated high-voltage switchgear (10). According to the invention, a current transformer (1′) is characterized in that a removable installation flange (12, 12′)... | 08/26/2008 |
| 7417846 | Gas-insulated switchgear For simple structure and easy manufacture, module tanks have a common standardized size so that the same tank is applicable even when the components to be accommodated are changed. The basic structure of the module is arranged so that all of the interrupter, the dis... | 08/26/2008 |
| 7414827 | Gas-insulated switchgear device Disclosed is a gas-insulated switchgear device, in which a space for dismantlement and inspection work which facilitates the dismantlement and inspection work of circuit breakers at the time of the occurrence of accidents of the circuit breakers are provided and an ... | 08/19/2008 |
| 7391605 | Encapsulated gas-insulated switchgear assembly The switchgear assembly has a polyphase design and has a gas-filled, modular encapsulation for each phase. Provided as the modules are at least one busbar, which is guided predominantly horizontally, a circuit breaker and two combined disconnecting-earthing switches... | 06/24/2008 |
| 7310220 | High voltage outdoor substation The substation has at least one outdoor busbar (11, 12) as well as at least two switch bays which can be connected to the busbar and at least one encapsulated, gas-insulated, arrangement of switchgear modules (30) which is arranged in one of the switch... | 12/18/2007 |
| 7250547 | Wetness monitoring system The present invention relates to a wetness monitoring system that includes a data collection device that sends wetness measurement data to a central computer that detects changes in wetness measurement data caused by the presence of urine or other dielectric fluids.... | 07/31/2007 |
| 7236351 | Armoured station element articulated to the ground The high-voltage metal-clad substation element comprises at least one circuit-breaker connected electrically and mechanically to at least one set of busbars (3, 4) extending along an axis (D) that extends transversely to the longitudinal axis (AX) of the circ... | 06/26/2007 |
| 7176376 | Apparatus and method for securing a watt-hour meter socket box The present invention relates to an apparatus and method for securing a box cover to a watt-hour meter socket box. In certain embodiments, the apparatus has a clamping member that fits over a wall of a meter box, and a lock housing that locks to the clamping member ... | 02/13/2007 |
| 7158369 | Single phase or polyphase switchgear in an enveloping housing Single phase or polyphase switchgear having one or more switches which are mounted with the aid of solid insulation such that they are insulated, as well as associated live components such as rail systems, connectors and the like. Both the switches and the associate... | 01/02/2007 |
| 7142410 | Transformer with housing and switch gear A transformer is formed by a housing having a main transformer compartment, a first compartment for the input terminals for the main power supply, a second compartment for the output terminals to supply the load and a third compartment for a manually operable switch... | 11/28/2006 |
| 7075778 | Hybrid gas-insulated switchgear A hybrid gas-insulated switchgear constitutes an electrical circuit for a single-line diagram unit by arranging one first standardized module and two second standardized modules in a single row such that the central axes of tanks are generally aligned and electrical... | 07/11/2006 |
| 7054143 | Electrical installation comprising a decompression channel The invention relates to an electrical installation, especially a medium-voltage switchgear, comprising at least one encapsulated function module (FM), a decompression channel (DK) which is connected to said function module, and at least one inflow opening (EO . . .... | 05/30/2006 |
| 7043300 | High-energy electrolytic capacitors for implantable defibrillators Implantable defibrillators are implanted into the chests of patients prone to suffering ventricular fibrillation, a potentially fatal heart condition. A critical component in these devices is an aluminum electrolytic capacitors, which stores and delivers one or more... | 05/09/2006 |
| 6865072 | Metal-enclosed switchgear A tank filled with an insulating gas accommodates insulator tubes incorporating vacuum-valve breakers for individual phases. One end of each insulator tube is fixed to the inside of the tank. Each vacuum-valve breaker is installed generally on a common longitudinal ... | 03/08/2005 |
| 6853541 | Compact converter station In order to provide a converter station for a high-voltage DC connection between two three-phase AC voltage networks, having a converter building which has a number of floors, and in which transformer units, converter devices, filter units, a gas-insulated switchgea... | 02/08/2005 |
| 6831708 | Image display apparatus As a structure capable of housing a recording/reproducing unit within a thin type image display apparatus without damaging the characteristic of the thin-type image display apparatus such as a wall-hung TV when using the unit, there is provided an image display appa... | 12/14/2004 |
| 6771489 | High voltage hybrid station with opposite busbars and shielded cutoff and switching modules for same The invention provides a “hybrid” high voltage multiphase distribution substation having one or more sets of busbars including at least one air-insulated set of busbars (10), the substation having feeders (A, B, C, D) for air-insulated lines (21, 22 | 08/03/2004 |
| 6660955 | Electric switch having a compartmentalized metal case for receiving disconnectors A metal-clad electric switch having gas insulation and a metal case comprises a case whose inside volume is subdivided into at least two compartments separated by a leakproof partition. A first disconnector is disposed in one of the compartments and compr... | 12/09/2003 |
| 6614648 | Bus line conductor container and gas insulated switchgear device using the same In a gas insulated switchgear device, a phase transposing unit for bus line conductors is provided in a bus line tank without providing a separate bus line extending unit. A bus line container includes a plurality of tanks connected in a straight line sha... | 09/02/2003 |
| 6560091 | Gas insulated switchgear In order to shorten the length of connection buses and reduce a cost, in the present invention, a plurality of T-branched circuit breaker units 12 are arranged in a direction perpendicular to the T-branch direction, and the plurality of circuit breaker un... | 05/06/2003 |
| 6559404 | Vacuum circuit interrupter A vacuum circuit interrupter for use in a switchgear connectable to a three-phase ac power system and having for each phase a vacuum valve including a pair of separable electrodes supported within a hermetic vessel by an electrode. Axes of the vacuum valv... | 05/06/2003 |
| 6556428 | Gas insulated switchgear A gas insulated switchgear includes a plurality of T-branched circuit breaker units arranged in a direction perpendicular to the T-branch direction, and connected by first connection bus units and second connection bus units in series alternately in a rec... | 04/29/2003 |
| 6490149 | Drawing apparatus for a drawer type electrical machinery A drawing apparatus constructed such that a screw rod 17 having an axis center along a drawing direction of an electrical machinery 1 is rotatably supported by a floor portion 11a of a drawing type electrical machinery accommodating portion 11 of a switch... | 12/03/2002 |
| 6459567 | Gas-insulated switchgear A gas-insulated switchgear comprising bushings mounted to and passing through a vessel wall of the hermetic vessel, each having an outer end connected to an insulated bus conductor at the outside of the hermetic vessel and an inner end connected to the el... | 10/01/2002 |
| 6459569 | Switchgear The instrumentation transformers 6a to 6d and 7a to 7f for measuring the voltage of the main circuit are arranged within the container 15b located in the midst of the containers 15a to 15c. In the present invention, the containers 15a and 15b are linked b... | 10/01/2002 |
| 6459568 | Hybrid type gas insulation switch gear apparatus In a hybrid type gas insulation switch gear apparatus, an enclosure includes a cylindrical branched portion branched from a cylindrical body so as to be inclined obliquely upward. An insulating gas is sealed therein. Insulating enclosures are mounted to t... | 10/01/2002 |
| 6445569 | Gas-insulated switchgear A gas-insulated switchgear provided with a resin mold bushing for supporting and insulating a main circuit conductor from a ground tank is miniaturized. A container portion 3a is formed by opening an end inside of the tank of a resin mold bushing 3 for su... | 09/03/2002 |
| 6407908 | Gas-insulated circuit breaker and gas-insulated switch-gear having the same In order to provide a good gas-insulated circuit breaker which is compact and easy in assembling and preparation, a gas-insulated circuit breaker 100 is constructed with a grounded enclosure 104 enclosed a insulation nature gas, a current interruption par... | 06/18/2002 |
| 6315589 | Connector for combined DC/data bus A combination DC/data connector for connecting electrical equipment stacked in a rack to a continuous vertical combined DC/data bus includes a data connector which cooperates with a slot in the DC/data bus assembly to align the DC/data connector with the ... | 11/13/2001 |
| 6278073 | Gas insulated switching apparatus A gas insulated switching apparatus has lightning arrestors in a line side unit. Each lightning arrestor is mounted to be moved linearly into and out of connection with a corresponding conductor. Specifically, the cover which supports the lightning arrest... | 08/21/2001 |
| 6271493 | High voltage disconnector with fixed and locking members secure under Lorentz forces A high voltage disconnector comprising a fixed contact and a movable contact to the latter to produce an electrical connection between a first conductor and a second conductor, the movable contact and the fixed contact forming, when they are in contact wi... | 08/07/2001 |
| 6252763 | Gas-insulated electrical apparatus A gas-insulated electrical apparatus includes tanks into each of which insulation gas is sealed, including bus-bars, bus-bar disconnectors connected to the bus-bars, circuit breakers connected to the bus-bar disconnectors, and line disconnectors connected... | 06/26/2001 |
| 6134101 | Gas-insulated, metal-enclosed switchgear assembly The gas-insulated, metal-enclosed switchgear assembly contains two, three or more switchpanels, each having a multipole power breaker (CB1, CB2, CB3, CB4) as well as isolating and grounding switches per switch p... | 10/17/2000 |
| 6134100 | Gas-insulated switchgear assembly having mounting elements The encapsulation (1) of a gas-insulated switchgear assembly is supported at both ends (7, 9) on a foundation (11). To this end, mounting device (12) are provided at the first end (7) and are anchored in the foundation (11) such that they cannot move. At ... | 10/17/2000 |
| 6002085 | Gas insulated switchgear A gas insulated switchgear has a container which is filled with an insulating gas, a conductor disposed with the container, an insulator for supporting the conductor. An outer periphery of the insulator is made smooth so as to improve a dielectric strengt... | 12/14/1999 |
| 5939876 | Measuring device for a metal-enclosed, gas-insulated high-voltage installation The measuring device is intended for a metal-enclosed, gas-insulated high-voltage installation. It contains at least one sensor (10, 11), arranged in an enclosure tube (3) of the metal enclosure which is filled with insulating gas, and at least one electr... | 08/17/1999 |
| 5898565 | Gas insulated switchgear apparatus A gas insulated switchgear apparatus comprising connection conductors connected to a connection portion to breaker side, disconnectors connected to the connection conductors, cable heads connected to the disconnectors, lightning arresters having one end c... | 04/27/1999 |
| 5796060 | Gas insulated switchgear with grounding and disconnecting switches A switching apparatus includes a grounded, insulating gas-filled housing, the housing having a housing wall, and a power circuit-breaker disposed in the housing. The apparatus further includes a current connection for a first busbar, a current connection ... | 08/18/1998 |
| 5757614 | Gas insulated switchgear apparatus A gas insulated switchgear device of a double bus type which is accommodated in a metal container filled with SF6 gas includes first and second gas insulated main buses disposed horizontally and substantially in parallel with each other. Bus se... | 05/26/1998 |
| 5723814 | Supporting insulator having a two-part interlocking outer ring A supporting insulator for installation between connecting flanges of a gas-insulated switching installation is provided with an outer ring, with an insulator body which is in the form of a disk and which is formed of a hardened cast resin, and with at le... | 03/03/1998 |
