Electrical lead-through bushing and system with the...

Electricity: conductors and insulators – Conduits – cables or conductors – With interior conductor or cable supports

Reexamination Certificate

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C174S0140BH, C174S0110BH, C324S643000, C073S29000R

Reexamination Certificate

active

06838622

ABSTRACT:
An electrical lead-through bushing with an internal conductor surrounded by an external conductor, extending together through a flange element, is particularly suitable for a TDR (time domain reflectometry) measuring system in which the fill level in a reactor pressure vessel of a nuclear installation is monitored. The bushing is particularly suitable for use on a vessel wherein comparatively high pressures and/or high temperatures may prevail. For this purpose, a first space region, formed on a first side of the flange element between the internal conductor and the external conductor surrounding it, is sealed off with respect to a second space region, formed on a second side of the flange element by the internal conductor and the external conductor surrounding it, by way of a number of sealing rings.

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patent: 9805931 (1998-02-01), None

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