High-voltage switches with arc preventing or extinguishing devices inventions 01/07

20070017904 - Switch assembly: The invention relates to a switch assembly comprising an essentially tubular enclosed housing. The tubular axis of the enclosed housing deviates from the horizontal and the vertical. The switch assembly comprises an interrupter unit, to which three main leads are connected.... Agent: Morrison & Foerster LLP

20070007249 - Electrical contacts for vacuum circuit breakers and methods of manufacturing the same: An electrical contact used herein comprises chromium; one of copper and silver; and a carbide, in which the electrical contact comprises a matrix and chromium, the matrix phase mainly comprising one of copper and silver, and the chromium being surrounded by the carbide and dispersed in the matrix. The electrical... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070007250 - Sealing edge cross-sectional profiles to allow brazing of metal parts directly to a metallized ceramic for vacuum interrupter envelope construction: A metal component for a vacuum chamber, such as an end cap or external center shield, having a sealing edge portion with a cross-sectional wall thickness that is gradually reduced from the thickness of the metal component body to a more narrow sealing surface where the metal component is structured... Agent: Martin J. Moran Eaton Electrical Inc.

20070000876 - Vacuum insulated switchgear: A vacuum insulated switchgear comprising: a vacuum container; a vacuum insulated switch having a movable contact connected to a movable electrode and a fixed contact connected to a fixed electrode for interrupting and closing current; an operating rod connected to the movable electrode and connected to a magnetic drive mechanism;... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.