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Assembly for the discharge of electric overvoltages

  • US 5,383,085 A
  • Filed: 09/28/1993
  • Issued: 01/17/1995
  • Est. Priority Date: 09/28/1992
  • Status: Expired due to Term
First Claim
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1. An assembly for the discharge of electric voltages comprising:

  • a housing, including a spacer along an inside diameter;

    an over-voltage arrester including a tubular ceramic insulator and first and second electrodes arranged at opposite ends of said tubular ceramic insulator, said second electrode having an axially extending cylindrical connecting pin; and

    a voltage-limiting device being electrically connected in parallel with said over-voltage arrester and having a response voltage greater than a response voltage of said over-voltage arrester, said voltage-limiting device being placed on said second electrode of said over-voltage arrester and comprising a metal oxide varistor in the form of a hollow cylinder having metallized end sides;

    wherein said over-voltage arrester and said voltage emitting device are arranged concentrically in the housing with said spacer centering said over-voltage arrester, andwherein said ceramic insulator, said first and second electrodes and said hollow-cylindrical varistor having approximately the same outside diameter which is less than said inside diameter of said container.

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