Switching device with bellows

Low-carbon nickel-chromium-molybdenum-niobium alloy bellows in vacuum circuit breakers address the durability issues by maintaining flexibility and resisting lateral displacement, extending the service life and structural integrity under varying pressures.

JP7877448B2Active Publication Date: 2026-06-22SIEMENS AG
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Patent Information

Application Number
JP2024518862
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-09-28
Filing Date
2022-08-02
Publication Date
2026-06-22
Estimated Expiration
2042-08-02

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Abstract

The present invention relates to a switchgear (100) having at least one bellows (12, 22) made of a low carbon nickel-chromium-molybdenum-niobium alloy.
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Citation Information

Patent Citations

  • Overpressure-resistant vacuum switching tube

    DE102017222413A1

  • Vacuum valve

    JP2004079446A

  • Vacuum interrupter

    JP2007173137A

  • Switching device

    JP2011082021A

  • Vacuum degree confirmation device and vacuum degree confirmation method for vacuum circuit breaker

    JP2018018616A