Electricity: electrical systems and devices – Safety and protection of systems and devices – With space discharge means
Reexamination Certificate
2005-02-23
2010-10-19
Fureman, Jared (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With space discharge means
C361S117000, C361S118000, C361S120000, C361S128000
Reexamination Certificate
active
07817395
ABSTRACT:
An overvoltage protection element for discharging transient overvoltages with at least two electrodes, with at least one ignition element of insulating material located between the electrodes, and with an air breakdown spark gap which acts between the electrodes, when the air breakdown spark gap is ignited an arc being formed between the two electrodes. An overvoltage protection element is provided with an ignition element which can be produced especially easily, the ignition element being made and arranged such that, between the two electrodes, there is an area of weakened insulation (ignition area) and when there is a voltage on the ignition element, a discharge on the surface of the ignition element leads to a conductive connection between the two electrodes, the conductive connection having a low current carrying capacity.
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European Search Report dated Apr. 17, 2007 for EP 05 003261.
Fureman Jared
Phoenix Contact GmbH & Co. KG
Roberts Mlotkowski Safran & Cole P.C.
Safran David S.
Thomas Lucy
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