JPH01108379U - - Google Patents

Info

Publication number
JPH01108379U
JPH01108379U JP246688U JP246688U JPH01108379U JP H01108379 U JPH01108379 U JP H01108379U JP 246688 U JP246688 U JP 246688U JP 246688 U JP246688 U JP 246688U JP H01108379 U JPH01108379 U JP H01108379U
Authority
JP
Japan
Prior art keywords
sectional
rotors
roots
incorporates
stages
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
JP246688U
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 JP246688U priority Critical patent/JPH01108379U/ja
Publication of JPH01108379U publication Critical patent/JPH01108379U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の実施例の縦断面図、第2図は
第1図におけるA―A線断面図、第3図は従来の
ポンプの縦断面図である。 符号の説明、1……初段ケーシング、2……吸
入口、3,4……初段ローター、5,6……回転
軸、7〜10……ローター、11,12,22,
27……隔壁、13,14,26,32……ケー
シング、15,19,23,29……ガス流入室
、16,20,24,30……ガス流出室、17
,21,25,31……連通路、18,28……
バイパス路、33……排気口、34,37……サ
イドフレーム、35……オイルケース、36……
冷却液溜、38……ギアケース、39,40……
軸受、41,42……タイミングギア、43……
駆動ギア。

Claims (1)

    【実用新案登録請求の範囲】
  1. 3段以上のローターを組み込んだルーツ式多段
    真空ポンプにおいて、吸入口を中央部に配設した
    ことを特徴とするルーツ式多段真空ポンプ。
JP246688U 1988-01-12 1988-01-12 Pending JPH01108379U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP246688U JPH01108379U (ja) 1988-01-12 1988-01-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP246688U JPH01108379U (ja) 1988-01-12 1988-01-12

Publications (1)

Publication Number Publication Date
JPH01108379U true JPH01108379U (ja) 1989-07-21

Family

ID=31203253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP246688U Pending JPH01108379U (ja) 1988-01-12 1988-01-12

Country Status (1)

Country Link
JP (1) JPH01108379U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018532943A (ja) * 2015-11-03 2018-11-08 レイボルド ゲーエムベーハー ドライ真空ポンプ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252890A (ja) * 1985-04-08 1986-11-10 Anretsuto:Kk 多段式真空用ル−ツブロワ−

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61252890A (ja) * 1985-04-08 1986-11-10 Anretsuto:Kk 多段式真空用ル−ツブロワ−

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018532943A (ja) * 2015-11-03 2018-11-08 レイボルド ゲーエムベーハー ドライ真空ポンプ

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