High-voltage switches with arc preventing or extinguishing devices inventions 06/09

20090159568 - Vacuum insulated switchgear: P

20090159569 - Switchgear: A switchgear case is partitioned into a high voltage bus bar chamber, which contains bus bars and cable heads, a high voltage device chamber containing circuit breakers and operation mechanisms and a low voltage control chamber containing a relay and measurement devices, etc., A rear wall of the case has... Agent: Mattingly & Malur, P.C.

20090145882 - Protection switch: A protection switch, particularly for rapid quenching of electrical arcing, includes at least one single-pole protection switch module having a housing, a movable contact mounted on a switching arm for pivoting against a fixed contact between a closed position and an open position and a quenching device for quenching electrical... Agent: Lerner Greenberg Stemer LLP

20090145883 - Method for producing contact makers for vacuum switching chambers: The invention relates to a method for producing contact makers for vacuum switching chambers, which are used in low-voltage, medium-high voltage, and high-voltage engineering, during which the contact makers are provided with slots extending from the middle area of the contact to the edge. The invention also relates to the... Agent: Buchanan, Ingersoll & Rooney PC