High-voltage switches with arc preventing or extinguishing devices patents - Monitor Patents
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High-voltage switches with arc preventing or extinguishing devices

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
02/05/2015 > 4 patent applications in 4 patent subcategories.

20150034598 - Structure for preventing eccentricity of movable contact in vaccum circuit breaker: The present invention relates to a vacuum circuit breaker, and more particularly, to a structure for preventing the eccentricity of a movable contact in a vacuum circuit breaker, wherein the concentricity of a fixed contact and the movable contact is maintained by preventing the eccentricity of and maintaining the straightness... Agent:

20150034599 - High voltage interrupter unit with improved mechanical endurance: A high voltage interrupter unit includes a switching chamber within which at least two electric contact elements of a contact system are arranged to be moved relative to one another. The contact system includes at least one mechanical element which is at least in part not in fixed mechanical connection... Agent: Abb Technology Ag

20150034600 - Contact device, and electromagnetic switch in which the contact device is used: A contact device includes a pair of fixed contacts fixedly disposed inside an arc extinguishing chamber and maintaining a predetermined interval from each other; a movable contact disposed inside the arc extinguishing chamber, and contacting to and separating from the pair of fixed contacts; a first arc root movement promotion... Agent:

20150034601 - Switchgear arrangement: A switchgear has an interrupter unit that includes an arc gap. A first and a second switching contact piece are movable relative to one another. A switching-gas duct originates in the arc gap and connects the arc gap to the surroundings of the interrupter unit. A hollow vessel arrangement delimits... Agent:

  
01/29/2015 > 7 patent applications in 7 patent subcategories.

20150027983 - Electric current switching apparatus: An electric switch includes a movable contact, a stationary contact to be contacted by the movable contact, one or more quenching plates, and a permanent magnet for directing an arc, which is formed when the contacts are separated from each other, to the quenching plate. The quenching plate has a... Agent: Abb Oy

20150027984 - Electric current switching apparatus: An arc quenching plate for an electric switch includes a first mounting portion and a second mounting portion for mounting the quenching plate to respective recesses of the switch. The first mounting portion and the second mounting portion have a different form when compared to each other.... Agent: Abb Oy

20150027985 - Gas circuit breaker: A gas circuit breaker includes a hermetically-sealed container filled with an arc extinguishing gas, a fixed contact arranged within the container, a movable contact arranged to face the fixed contact and configured to move in an axial direction of the container, the movable contact capable of contacting or separating from... Agent:

20150027986 - Flexible dielectric material for high voltage switch: An electrical switch includes a tubular housing having a conductor receiving end and an operating end opposite the conductor receiving end. The tubular housing also includes a conductive interface positioned intermediate the conductor receiving end and the operating end. An operating rod extends through the operating end toward the conductor... Agent: Thomas & Betts International, Inc.

20150027987 - Safety system for high voltage network grounding switch: The present invention is directed to a safety system integrated into a liquid-insulated high voltage network grounding switch, including modifications to the switch structure to provide an arrangement that is more efficiently installed with greater precision than found in conventional arrangements. The result is a switch assembly that adheres to... Agent: Quality Switch, Inc.

20150027988 - Green switchgear apparatuses, methods and systems: This disclosure relates to switchgear equipment for electrical power systems. A switchgear comprises a switchgear body housing, having an upper boot and a lower boot, the upper boot having an insulating material and the lower boot having an insulating material, a vacuum interrupter having at least one stationary electrical contact,... Agent: Schneider Electric Industries Sas

20150027989 - On-load tap changer: The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by... Agent:

  
01/22/2015 > 2 patent applications in 2 patent subcategories.

20150021297 - Circuit breaker: A circuit breaker including two contacts, a pressurization chamber, a nozzle arrangement designed to blow an arc in a quenching region, with a narrowest passage of a pressurization chamber outflow channel to be passed by outflowing quenching gas defining a pressurization chamber outflow limiting area, a narrowest passage of a... Agent:

20150021298 - Switchgear: Switchgear comprising: an air-insulated earthing disconnecting switch switchable among the closing position, disconnecting position, and earthing position; a vacuum interrupter electrically connected to the air-insulated earthing disconnecting switch; an operating device of the air-insulated earthing disconnecting switch having a motor; and an operating-force transmission unit transmitting driving force from the... Agent:

  
01/15/2015 > 4 patent applications in 4 patent subcategories.

20150014277 - Interchangeable switching module and electrical switching apparatus including the same: An interchangeable switching module is for an electrical switching apparatus including a first enclosure, separable contacts and an operating mechanism structured to open and close the separable contacts. The interchangeable switching module includes a second enclosure structured to fit within the first enclosure of the electrical switching apparatus; and an... Agent: Eaton Corporation

20150014278 - Current switch: A current switch includes a blade-shaped movable contact that extends in a radial direction from a rotation center, and that reciprocates such that a free end of the movable contact draws a rotation locus, a fixed contact that includes a plurality of pairs of energizing contacts that come into and... Agent: Mitsubishi Electric Corporation

20150014279 - Device for protection against particles generated by an electric switching arc: A protection device for providing protection against the particles generated by an electric arc when a first electrically conductive part and a second electrically conductive part of an electrical connection unit are separated from each other, the protection device including at least one protection element disposed in the proximity of... Agent:

20150014280 - Switchgear arrangement: A switchgear includes an interrupter unit. The interrupter unit is provided with first and second switching contact pieces that are movable relative to one another. A switching-gas duct that runs through the interrupter unit originates at an arc gap in which an electric arc can burn. The duct connects the... Agent: Siemens Aktiengesellschaft

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