Class 218/80 - Disconnect switch

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter including a mechanical switch that is intended
No. of patents: 32
Last issue date: 01/13/2009

Number	Title	Issue Date
7476823	Current pause device for an electric power circuit interrupter A current pause device configured to enhance the operation of transmission and distribution line circuit interrupters by delaying the voltage build across the circuit interrupter arc gap for a time period sufficient to allow the dielectric characteristic of the medi...	01/13/2009
7432465	Switching device with a disconnection and/or grounding function A switching device configurable as a grounding device, a disconnecting device, and a combined disconnecting/grounding device is disclosed. The switching device includes an encapsulating housing, a stationary grounding contact fixed to the housing, a stationary disco...	10/07/2008
7122759	Compact earthing switch for gas-insulated switchgear assemblies A compact earthing switch (1′) is provided by a mounting lid (10) of the gas-insulated switchgear assembly (15) having a concave physical volume (100) which extends the gas chamber (9) and by the earthing switch fixed contact (	10/17/2006
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
6727454	Gas-insulated switchgear A gas-insulated switch gear has a plurality of bay units having bus ducts each containing a three-phase bus and connected by bellows expansion joints. When the bay unit needs to be inspected for maintenance, the bellows expansion joints are compressed, and only the ...	04/27/2004
6664493	Gas-insulated switchgear A gas-insulated switchgear of an 11/2 CB system, in which three circuit breakers are electrically connected in series between a pair of buses and a connecting line for supplying and receiving electric power is led out from between the circuit breakers, is...	12/16/2003
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
6631075	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...	10/07/2003
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
6538224	Hybrid type gas insulation switch gear apparatus In a hybrid type gas insulation switch gear apparatus, a main enclosure including a first cylindrical section have a base and a second cylindrical section branched from the base. A bushing is mounted on the cylindrical section and including a hollow insul...	03/25/2003
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
6399911	Gas insulated switchgear apparatus A gas insulated switchgear of the present invention, a plurality of disconnect switches are provided on a line connecting a bus line to a circuit-breaker in such a manner as to be arranged in both a main bus unit, a breaker unit or in both a first and sec...	06/04/2002
6121566	Switchgear for a power station generator and a transformer, with a three-position disconnector connected to the transformer The switchgear comprises a circuit breaker connected between a generator and a transformer, together with a disconnector connected between the circuit breaker and the transformer, the disconnector having a fixed pole common to three positions: a first pos...	09/19/2000
5991148	Metal-enclosed gas-insulated switchgear assembly This metal-enclosed, gas-insulated switchgear assembly is provided with at least one multiphase switch panel which is mounted on a foundation surface (8), with in each case at least one power breaker (1, 2, 3) per phase which extends along a longitudinal ...	11/23/1999
5872346	Metal-cladded electrical high-voltage switching installation with a power switch A high-voltage metal-cladded switchgear having two busbars (1, 2) and a power switch (4) with a first connected to terminals (12, 13) of two isolating switches (10, 11). The power switch has a contact point (17) that can be removed from the enclosure (3) ...	02/16/1999
5828025	Disconnecting/grounding switch for metal-encapsulated, gas-insulated high-voltage switchgear A disconnecting/grounding switch for metal-encapsulated, gas-insulated high-voltage switchgear. A first fixed contact is connected to a first inner conductor. A second contact is connected to an inner conductor running at right angles to the first inner c...	10/27/1998
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
5721412	Disconnector for a metal encapsulated, gas insulated high voltage switchgear A disconnector for a metal encapsulated, gas insulated high voltage switchgear includes a housing with at least a first and a second axis which intersect at a first angle. The disconnector also includes two contact carriers that are arranged on the first ...	02/24/1998
5625179	Isolator for a metal-encapsulated, gas-insulated, high-voltage switching installation An isolator for a metal-encapsulated, gas-insulated high-voltage switching installation includes two contact supports and an enclosure. The enclosure has a longitudinal axis and is filled with insulating gas. The two contact supports are arranged in the e...	04/29/1997
4774628	Metalclad substation subdivided into tight compartments A metalclad substation having a busbar isolating switch including an operating mechanism housed in the busbar compartment. The movable contacts of the isolating switch are housed in a compartment separated by a tight insulating partition from the busbar c...	09/27/1988
4744002	Compact-type gas-insulated switchgear apparatus A compact-type gas-insulated switchgear apparatus is disclosed, in which movable contacts of a disconnector and a ground switch arranged in a cable head casing are adapted for switching operation in parallel to the axis of the cable head casing. A connect...	05/10/1988
4536659	Visible disconnect/ground switch An improved disconnect/ground switch assembly for use in conjunction with a high voltage DC power supply is disclosed. High voltage rectified DC power is provided on a conductor through an insulating bushing. An electrically conductive contacting mechanis...	08/20/1985
4535383	Gas-insulated switchgear equipment A gas-insulated switchgear equipment includes a main bus conduit containing a main bus conductor and disposed substantially horizontally, and a container connected substantially vertically to the main bus conduit at a top portion thereof for accommodating...	08/13/1985
4493008	Gas-insulated switchgear A gas-insulated switch gear composed of a combination of a plurality of gas-insulated equipment, including a plurality of vertically mounted disconnecting switches having outlet sections located at respective upper and lower sides of the switches, main bu...	01/08/1985
4488021	Gas insulated disconnector A circuit including arcing contacts is connected in parallel with main contacts of a disconnector to facilitate interruption of a loop current caused through the disconnector when switching main bus bars in a power station. A switching surge suppression r...	12/11/1984
4479165	Gas insulated switching apparatus A bushing in air is supported upright on one end of a horizontal tank, and a center conductor extending in the bushing is connected to one terminal of a circuit breaker accommodated in the tank. A tank of a disconnecting switch is disposed to extend in th...	10/23/1984
4468716	Gas-insulated switchgear A gas-insulated switchgear apparatus comprises, (a) first and second grounded tanks filled therein with insulating gas, (b) a circuit breaker unit enclosed in the first tank, (c) a disconnecting switch unit connected to an axial extension of the first tank and encl...	08/28/1984
4460937	Gas-insulated switching apparatus A gas-insulated switching apparatus is disclosed which includes a circuit breaker having a breaking section with at least a couple of mutually detachable contacts and a grounded tank containing the breaking section and filled with an insulating gas, the g...	07/17/1984
4413166	Disconnect switch A disconnect switch and grounding apparatus therefor particularly adapted for use in gas insulated substations. The disconnect switch comprises a chamber having a pair of electrical conductors entering the chamber. Supporting the conductors and insulating...	11/01/1983
4107498	Disconnect switch and drive mechanism therefor A disconnect switch and drive mechanism therefor particularly adapted for use in gas insulated substations. The disconnect switch comprises a sealed tank having opposing ends through which electrical conductors enter the tank, and within the tank is dispo...	08/15/1978
4032820	Horizontal double plane high voltage switching assembly Gas circuit breakers, gas insulated disconnecting switches, current transformers, gas insulated feeding bus bars and other main component devices making up a gas insulated power switch-gear apparatus used for the power electric substation or the power ele...	06/28/1977

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Class 218/80 - Disconnect switch