High-voltage switches with arc preventing or extinguishing devices inventions 05/09

20090134123 - High voltage circuit breaker with improved gas exhaust: A method of evacuating hot gases produced in a current breaking operation by a high voltage circuit breaker (1) which comprises a metal outer tank (2) filled with insulating gas, a casing (3) having gas outlet ports (30) and arranged inside the metal outer tank (2), with which it is... Agent: Nixon Peabody LLP

20090134124 - Buffering mechanism for gas circuit breaker: A buffering mechanism for a gas circuit breaker includes a center piece which includes two protrusions extending from two ends thereof and two match surfaces are defined in two opposite sides of the center piece. Two side boards each have a pivot hole and a slot defined therethrough, the two... Agent: Chung, Chang-ching

20090134125 - Switchgear and method of fabricating the same: In a vacuum valve 1 wherein a stationary electrode 1a and a movable electrode 1b are disposed within a vacuum vessel 2 which is constituted by a metal flange 2a as well as a metal tube 2e and an insulating tube 2b, and wherein a resin mold 3 is applied... Agent: Buchanan, Ingersoll & Rooney PC

20090127229 - Switching device for direct-current applications: A switching device for direct-current applications includes a housing having a first wall and a second wall, a plurality of receiving areas for respective mutually substantially parallel current paths disposed in the housing. Each of the current paths has a respective stationary switching contact element and a respective movable switching... Agent: Darby & Darby P.C.

20090127230 - Switching device for direct-current applications: A switching device for direct-current applications including a housing, and at least three current paths. Each current path includes a respective movable switching contact element, a respective stationary switching contact element, and a respective air break between the respective movable and stationary contact elements. Each movable switching contact element is... Agent: Darby & Darby P.C.

20090120907 - switch unit having a circuit breaker and a disconnector with common drive means: P

20090120908 - Arc chute and circuit breaker equipped with one such arc chute:

20090120909 - Grounding disconnector and a method of manufacturing such a grounding disconnector:

20090120910 - Interrupter unit of an electrical switching device: An interrupter unit of an electrical switching device has a flow-conducting body. Gases which are flowing away are guided by way of the flow-conducting body. The flow-conducting body is formed at least from a first and a second element, wherein a joint gap is formed between the two elements. The... Agent: Lerner Greenberg Stemer LLP

20090114622 - Hermetically sealed relay: A hermetically sealed relay is provided having two circuits therein.... Agent: Helen Odar Wolstoncroft Tyco Technology Resources