Compressor with a magnetic bearing and a catch bearing

A magnetic bearing and catch bearing system integrated between compressor stages addresses vibration issues in long shaft compressors, enabling a compact, multi-stage design with reduced costs.

DE102017208128B4Active Publication Date: 2026-05-28EVERLLENCE SE
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Patent Information

Application Number
DE102017208128
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2017-05-15
Publication Date
2026-05-28
Estimated Expiration
2037-05-15

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Abstract

Compressor (10), comprising a compressor housing (13), comprising a compressor rotor (11) mounted in the compressor housing (13), which has a shaft (14) and impeller blades (15) forming several compressor stages (16), wherein a magnetic bearing (17) and a catch bearing (18) are arranged between two compressor stages (16), each being mounted as a split bearing on the shaft designed as a one-piece shaft (14), wherein the magnetic bearing (17) and the catch bearing (18) are received in a common bearing housing (19), wherein the bearing housing (19) sectionally limits a flow path (20) between the two compressor stages (16), between which the magnetic bearing (17) and the catch bearing (18) are arranged.
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Citation Information

Patent Citations

  • Turbocharger with a bearing arrangement for supporting a shaft of the turbocharger

    DE102008014684A1

  • Method for monitoring the condition of a machine's catch bearing

    DE102009022835B3

  • Electric drive and open-end spinning device with the electric drive

    DE102015016055A1

  • Pillow block with a split magnetic radial bearing and a split touch-down bearing in a common split bearing housing

    EP2154386A1

  • Turbo-molecular pump and touchdown bearing device

    US20080206079A1