High-voltage switches with arc preventing or extinguishing devices inventions

20090266794 - Arc quenching device with an arc quenching material for a circuit breaker: An arc quenching device is disclosed for an electrical switch having a plurality of arc quenching plates, which are arranged parallel to one another, and having at least one part composed of gassing plastic. In order to stabilize the arc, at least one embodiment of the invention provides for at... Agent: Harness, Dickey & Pierce, P.L.C

20090266793 - Electrical switching appartatus, and arc chute and arc member therefor: An arc member is provided for an electrical switching apparatus. The electrical switching apparatus includes an operating mechanism for opening and closing separable contacts, and an arc chute disposed proximate the separable contacts to attract an arc generated thereby. The separable contacts include a stationary contact and a movable contact.... Agent: Martin J. Moran

20090266795 - Transmission for an electrical circuit breaker: An electrical circuit breaker includes a first contact piece with a first consumable contact; a second contact piece with a second consumable contact; a drive for moving the first contact piece along a switching movement axis; and a transmission for transmitting the movement of the first contact piece to a... Agent: Buchanan, Ingersoll & Rooney PC

20090266796 - Gas-insulated power apparatus: In a gas-insulated power apparatus in which contiguous vessels 11, 12 (GIBC1, GIBC2) are coupled by way of flanges 111, 121 of respectives thereof, and power conductors 112, 122 (GIBC5) insulated from the vessels by an insulating gas 13 are included in the vessels, by squeezing the flange 111 of... Agent: Buchanan, Ingersoll & Rooney PC

20090261069 - Gas-insulated switching apparatus: [Means for Resolution] Gas circuit breakers for respective phases of a breaker module have the reference axial lengths having the same length between the first and second vertical planes and arranged so as to extend in the first direction, first circuit wirings for the respective phases of a first circuit... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090261070 - Insulating nozzle, comprising a first material and a second material: An insulating nozzle is formed with a first and a second material. The first material has a lower erosion resistance than the second material. The insulating nozzle has an insulating nozzle duct. The surfaces defining the insulating nozzle duct are at least partially made out of the second material. The... Agent: Lerner Greenberg Stemer LLP

20090261071 - Gas-blast circuit breaker with a radial flow opening: A gas-blast circuit breaker is disclosed which includes a first contact and a second contact which can move relative to one another along a longitudinal axis. A blowout volume is arranged around the first contact. The blowout volume can be connected via a gas channel to an arc zone, in... Agent: Buchanan, Ingersoll & Rooney PC

20090255904 - Arc splitter arrangement for an electrical switch: An arc splitter arrangement for an electrical switch comprises at least two arc splitters composed of a ferromagnetic material disposed parallel to one another, wherein each of the at least two arc splitters has a V-shaped cutout on a narrow face edge forming an inlet area for an arc, and... Agent: Darby & Darby P.C.

20090255905 - Main circuit terminal assembly for vacuum circuit breaker: The present invention is to provide a main circuit terminal assembly for a vacuum circuit breaker, which can prevent temperature increase by increasing a surface area of a main circuit conductive unit, the main circuit terminal assembly for a vacuum circuit breaker which is electrically connected to a vacuum interrupter,... Agent: Greenblum & Bernstein, P.L.C

20090255906 - Arc chute assembly for a circuit breaker: An arc chute assembly includes a housing having a lateral axis and a quenching portion disposed within the housing. The quenching portion includes at least two deion plates being spaced along the lateral axis of the housing and each having a cut portion wherein the cut portions are staggered along... Agent: General Electric Company Ge Global Patent Operation

20090250435 - Gas insulating switchgear equipped with grounding switchgear: A gas insulating switchgear equipped with a grounding switchgear of the invention includes a sealing vessel that fills an insulation gas, a main circuit-switching fixed electrode 3 that is fixed to the sealing vessel, a movable electrode 1 that comes in contact with the main circuit-switching fixed electrode 3, a... Agent: Sughrue-265550

20090250436 - Large-capacity vacuum circuit breaker: To structure a large-capacity vacuum circuit breaker that can increase a current shutdown capacity and enables its rated current to be increased, at least two vacuum circuit breaker units 1A, 1B are placed side by side and connected in parallel. These at least two vacuum circuit breaker units 1A, 1B... Agent: Mattingly & Malur, P.C.