Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ola Jeppsson0
Stefan Halen0
Edgar Dullni0
Hans Begge0
Date of Patent
July 12, 2011
Patent Application Number
12533659
Date Filed
July 31, 2009
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A device for switching in and out a load with respect to an alternating voltage feeder has two mechanical switches connected in series in a current path between the load and the feeder and each having a by-pass branch with at least one member with ability to block current therethrough in at least a blocking direction and conduct current therethrough in at least one direction. A unit is adapted to control a procedure of a switching out and switching in by synchronization with the current in the feeder and the voltage of the feeder, respectively.
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