JPH0389994U - - Google Patents

Info

Publication number
JPH0389994U
JPH0389994U JP1989152847U JP15284789U JPH0389994U JP H0389994 U JPH0389994 U JP H0389994U JP 1989152847 U JP1989152847 U JP 1989152847U JP 15284789 U JP15284789 U JP 15284789U JP H0389994 U JPH0389994 U JP H0389994U
Authority
JP
Japan
Prior art keywords
rotating body
supported
casing
permanent magnet
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1989152847U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989152847U priority Critical patent/JPH0389994U/ja
Publication of JPH0389994U publication Critical patent/JPH0389994U/ja
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • F04D19/02Multi-stage pumps
    • F04D19/04Multi-stage pumps specially adapted to the production of a high vacuum, e.g. molecular pumps
    • F04D19/042Turbomolecular vacuum pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/06Lubrication
    • F04D29/063Lubrication specially adapted for elastic fluid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Positive Displacement Air Blowers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す全体断面図で
ある。第2図及び第3図はそれぞれ異なる従来例
を示す第1図相当の全体断面図である。 1……ケーシング、4……回転体、8……永久
磁石軸受、10……ボールベアリング、12……
グリース潤滑機構。

Claims (1)

    【実用新案登録請求の範囲】
  1. ケーシング内に配設される回転体の上端を永久
    磁石軸受に支承させ、該回転体の下端をグリース
    潤滑機構を備えたボールベアリングに支承させて
    いることを特徴とするターボ分子ポンプ。
JP1989152847U 1989-12-28 1989-12-28 Pending JPH0389994U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989152847U JPH0389994U (ja) 1989-12-28 1989-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989152847U JPH0389994U (ja) 1989-12-28 1989-12-28

Publications (1)

Publication Number Publication Date
JPH0389994U true JPH0389994U (ja) 1991-09-12

Family

ID=31699086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989152847U Pending JPH0389994U (ja) 1989-12-28 1989-12-28

Country Status (1)

Country Link
JP (1) JPH0389994U (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008121889A (ja) * 2006-11-11 2008-05-29 Pfeiffer Vacuum Gmbh 真空ポンプ用軸受モジュールおよび真空ポンプ
JP2010531955A (ja) * 2007-07-02 2010-09-30 エドワーズ リミテッド 真空ポンプ
JP2014231835A (ja) * 2013-05-29 2014-12-11 プファイファー・ヴァキューム・ゲーエムベーハー 真空ポンプ
US9958005B2 (en) 2015-10-13 2018-05-01 Shimadzu Corporation Oil-lubricated bearing device and vacuum pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008121889A (ja) * 2006-11-11 2008-05-29 Pfeiffer Vacuum Gmbh 真空ポンプ用軸受モジュールおよび真空ポンプ
JP2010531955A (ja) * 2007-07-02 2010-09-30 エドワーズ リミテッド 真空ポンプ
JP2014231835A (ja) * 2013-05-29 2014-12-11 プファイファー・ヴァキューム・ゲーエムベーハー 真空ポンプ
US9958005B2 (en) 2015-10-13 2018-05-01 Shimadzu Corporation Oil-lubricated bearing device and vacuum pump

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