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.
  
10/02/2014 > 3 patent applications in 2 patent subcategories.

20140291291 - Circuit breaker with fluid injection: A circuit breaker including an ejection device including an arc-extinction medium for improved extinction of an arc formed during a breaker operation and an exhaust-cooling medium for improved cooling of exhaust gases in the circuit breaker. Thereby, the arc-extinction liquid includes an organofluorine compound having a boiling point Tb at... Agent:

20140291292 - Circuit breaker with fluid injection: A circuit breaker including an ejection device with a compartment, in which an arc-extinction medium for improving circuit breaker operation is contained, and having an ejection orifice through which the arc-extinction medium is to be ejected, wherein the ejection orifice opens out into an injection zone of the circuit breaker... Agent:

20140291293 - Vacuum chamber with a one-piece metallic cover for self-centering: The disclosure relates to a vacuum chamber including at least one ceramic isolating cylinder with two face ends. At least one of the two face ends of the ceramic isolating cylinder is closed by a metallic cover including an outer and an inner part. A distal end of the outer... Agent: Abb Technology Ag

  
09/25/2014 > 1 patent applications in 1 patent subcategories.

20140284310 - Switch for direct current operation having at least one circuit breaker chamber: A switch for, in particular, direct current operation, having at least one circuit breaker chamber, each circuit breaker chamber having two contact pieces having respectively a first contact area, an electrically conductive bridge circuit which can be moved by means of a contact bridge and which has two contact regions... Agent: Eaton ElectricalIPGmbh & Co. Kg

  
09/18/2014 > 4 patent applications in 4 patent subcategories.

20140263186 - Switch for direct current operation having at least one circuit breaker chamber: A switch for, in particular, direct current operation, having at least one circuit breaker chamber, each circuit breaker chamber having two contact pieces having respectively a first contact area, an electrically conductive bridge circuit which can be moved with a contact bridge and which has two second contact regions for... Agent: Eaton ElectricalIPGmbh & Co. Kg

20140263187 - Gas-insulated device for electrical power and operation method thereof: A gas-insulated device for electrical power is disclosed that includes: a fixed contact unit and a movable contact unit which are disposed to face with each other in an airtight container filled with a carbon dioxide gas or a gas mixture including a carbon dioxide gas, serving as an arc... Agent: Kabushiki Kaisha Toshiba

20140263188 - Arc chamber for bi-directional dc: A circuit breaker including a pair of separable contacts and an arc chamber is provided. The separable contacts include a fixed contact having an upper surface. The arc chamber includes magnetic members disposed on either side of the separable contacts. The magnetic members have a lower surface below the fixed... Agent: Eaton Corporation

20140263189 - Circuit interruption device with constrictive arc extinguishing feature: A circuit interruption device includes at least one constriction zone. The constriction zone provides for interference with arcing of an electrical signal. The device may include at least one expansion zone. The device may include at least one movable component to assist in creation of the at least one constriction... Agent:

  
09/11/2014 > 6 patent applications in 3 patent subcategories.

20140251957 - Arrangement comprising a circuit breaker unit: A circuit breaker unit has first and second arcing contact pieces. A breaker gap is formed between the two arcing contact pieces. A switching gas channel leads to the breaker gap and guides the switching gas to a switching gas outlet opening of the circuit breaker unit. The switching gas... Agent: Siemens Aktiengesellschaft

20140251958 - Vacuum interrupter: A vacuum interrupter, including: an insulating housing; a movable end cap; a stationary end cap; a pair of movable and stationary contacts; and a pair of shields. The pair of shields is fixed on the movable end cap and the stationary end cap, respectively. The insulating housing, the movable end... Agent: Xi'an Jiaotong University

20140251959 - Arc shield: A circuit breaker includes a shielding component having an external portion which defines a space external to the circuit breaker housing and covers a vent in the circuit breaker housing to direct gasses and debris from the vent to an outlet. The external portion also prevents insertion of the circuit... Agent:

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