Sealing arrangement for sealing a vacuum side from an ambient side

DE202025004209U1Undetermined Publication Date: 2026-07-09ASYS AUTOMATIC SYST
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Patent Information

Application Number
DE202025004209
Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2026-07-09
Estimated Expiration
2035-08-31

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Abstract

Sealing arrangement for sealing a vacuum side (6) from an ambient side (7), with a ferrofluid seal (4) between a rotatable shaft (2) and a housing (3), characterized in that the sealing arrangement (1) between the ferrofluid seal (4) and the vacuum side (6) has a switchable additional seal (5) which can be switched between an out-of-service position without sealing function and a sealing position in which the shaft (2) is sealed to the vacuum side (6) via the additional seal (5).
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Citation Information

Patent Citations

  • Ferrofluid bearing and seal apparatus

    GB2149027A