JPH0323695U - - Google Patents

Info

Publication number
JPH0323695U
JPH0323695U JP8428089U JP8428089U JPH0323695U JP H0323695 U JPH0323695 U JP H0323695U JP 8428089 U JP8428089 U JP 8428089U JP 8428089 U JP8428089 U JP 8428089U JP H0323695 U JPH0323695 U JP H0323695U
Authority
JP
Japan
Prior art keywords
air supply
vacuum pump
bearings
gas bearing
casing
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
JP8428089U
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 JP8428089U priority Critical patent/JPH0323695U/ja
Publication of JPH0323695U publication Critical patent/JPH0323695U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Non-Positive Displacement Air Blowers (AREA)

Description

【図面の簡単な説明】
第1図は、本考案の第1実施例に係る真空ポン
プの断面図、第2図は、本考案の第2実施例に係
る真空ポンプの断面図、第3図は従来の真空ポン
プを示す断面図である。 1……回転軸、2……翼列、3……駆動機、4
……気体軸受、5……給気口、6……軸受、7…
…排気口、8……磁気軸受。

Claims (1)

    【実用新案登録請求の範囲】
  1. 多段の翼をもつ回転体をケーシング内に複数の
    軸受介して回転可能に支持した真空ポンプにおい
    て、該軸受の少くとも一つを気体軸受で構成し、
    該気体軸受への給気流路をケーシングに設け、且
    つ該給気流路を給気、パージ兼用流路としたこと
    を特徴とする真空ポンプ。
JP8428089U 1989-07-18 1989-07-18 Pending JPH0323695U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8428089U JPH0323695U (ja) 1989-07-18 1989-07-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8428089U JPH0323695U (ja) 1989-07-18 1989-07-18

Publications (1)

Publication Number Publication Date
JPH0323695U true JPH0323695U (ja) 1991-03-12

Family

ID=31632636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8428089U Pending JPH0323695U (ja) 1989-07-18 1989-07-18

Country Status (1)

Country Link
JP (1) JPH0323695U (ja)

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