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.
07/10/2014 > 2 patent applications in 2 patent subcategories.

20140190938 - Puffer type gas circuit breaker: This puffer type gas circuit breaker has: a stationary-side main contact 2 and a movable-side main contact 3, which are provided on the same axis inside a vessel 1 filled with an insulating gas; a stationary-side arcing contact 4; a movable-side arcing contact 5; a puffer cylinder 6; a puffer... Agent:

20140190939 - Gas insulated switchgear: A gas insulated switchgear includes: an enclosure; a stationary contact arm fixedly installed within the enclosure; a movable contact arm installed to be moved within the enclosure such that it is brought into contact with or separated from the stationary contact arm; a cam reciprocating between closing and opening positions... Agent: Lsis Co., Ltd.

07/03/2014 > 2 patent applications in 2 patent subcategories.
06/26/2014 > 7 patent applications in 7 patent subcategories.

20140175056 - Switching device suitable for direct current operation: A switching device includes at least a first current path and a second current path, each of which have a first connection and a second connection, whereby the first connections are arranged on the first side of the switching device and the second connections on the second side of the... Agent:

20140175057 - Switching device: A switching device having at least one contact pair includes a first contact and a second contact, where at least the second contact is movable relative to the first contact. There is an extinguishing device with at least one extinguishing chamber for extinguishing an arc produced between the contacts, a... Agent:

20140175058 - Circuit-breaker pole part with a flexible conductor for connecting a movable electrical contact: The disclosure relates to a pole part of a circuit-breaker arrangement having an insulation housing for accommodating a vacuum interrupter containing a pair of corresponding electrical switching contacts, wherein a fixed upper electrical contact is connected to an upper electrical terminal molded or assembled in the insulation housing and a... Agent: Abb Technology Ag

20140175059 - Insulating cylinder and a main circuit structure using the same: An insulating cylinder and a main circuit structure using the insulating cylinder includes a main cavity, a secondary grounded insert connected with the main cavity, an arc-distinguishing chamber connected with the main cavity, and an outlet terminal insert connected with an end of the arc-distinguishing chamber. An observation window is... Agent: Beijing Huadong Senyuan Electric Co., Ltd.

20140175060 - Contactor-circuit breaker device:

20140175061 - Electrical switching device with a triple motion contact arrangement: A contact arrangement has a longitudinal axis (z) with a first contact group having a first contact and a second contact, and a second contact group having a third contact and a fourth contact. The first contact interacts electrically and mechanically with the third contact, and/or the second contact interacts... Agent: Abb Technology Ag

20140175062 - Electrical switching device: Electrical switching device having a housing, at least two switching chambers within the housing with contacts to interrupt at least one current path, an arc extinguishing device for each switching chamber, and at least one guide channel within the housing, which directs the arc gas exiting the arc extinguishing device... Agent:

06/19/2014 > 4 patent applications in 4 patent subcategories.

20140166620 - Polarity independent switching device for carrying and disconnecting direct current: A polarity-independent switching device for carrying and disconnecting high DC currents has a gastight, encapsulated, electrically insulating housing which can be filled with an insulating gas, and at least one pair of contacts disposed in the housing and made up of a fixed contact and a mobile contact. The two... Agent:

20140166621 - Compact bus bar assembly, switching device and power distribution system: A contact bus bar assembly for supplying power to a load, and further pertains to a switching device which can be connected to such a compact bus bar assembly, and to a power distribution system. The bus bar assembly includes at least two electrically conductive tracks which are at least... Agent: Rockwell Automation Ag

20140166622 - Tank-type circuit breaker: Capacitors (5a, 5b) are provided in the insulators of bushings (4a, 4b), respectively. One ends of the capacitors (5a, 5b) are connected to central conductors (3a, 3b) side, and the other ends are connected to a tank (1) side at the ground potential. When a discharge signal from the outside... Agent: Mitsubishi Electric Corporation

20140166623 - Muffler for enhanced arc protection: A muffler for enhanced arc protection is described. In the case of an internal arc event in an electrical enclosure, the muffler exhausts arc gas and plasma parallel to the enclosure surface, instead of directly forward where persons may be located. The muffler includes perforated plates and baffle plates in... Agent: Schneider Electric Usa, Inc.

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