Overvoltage protection element and ignition element for an...

Details Overvoltage protection element and ignition element for an... Overvoltage protection element and ignition element for an...

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.

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