Class 218/3 - Hybrid-type

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter wherein the multiple break consists of a
No. of applications: 4
Last issue date: 01/22/2009

Application No.	Application Title	Issue Date
20090020506	Electrical Switching Device An electrical switching device has a first interrupter unit for interrupting and connecting an electrical line, in particular an air-insulated grounding switch. A method for switching an air-insulated grounding switch assures that no arc owing to a voltage flashover is ...	01/22/2009
20070187364	Adaptive switch contamination compensation In a method and system for compensating for contamination of a switch or of a load circuit connected to the switch in a switch circuit, on/off signal levels are obtained corresponding to on/off states of said switch based on a polling signal which turns said switch on a...	08/16/2007
20060261043	Apparatus and method for circuit operation definition A method and apparatus for defining a circuit operation, such as a charged particle beam operation to perform a circuit edit and define a probe point. Circuit operation definition is performed in a front-end environment with access to integrated circuit computer aided d...	11/23/2006
20060049144	Switch and disconnector apparatus for electric substations A switch disconnector apparatus of the linear air type is described, said apparatus comprising: an upper device for transferring current, a fixed upper contact connected electrically to the upper device, a lower device for transferring current, a sliding lower contact c...	03/09/2006

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