JPH0419691U - - Google Patents

Info

Publication number
JPH0419691U
JPH0419691U JP6003790U JP6003790U JPH0419691U JP H0419691 U JPH0419691 U JP H0419691U JP 6003790 U JP6003790 U JP 6003790U JP 6003790 U JP6003790 U JP 6003790U JP H0419691 U JPH0419691 U JP H0419691U
Authority
JP
Japan
Prior art keywords
stage
pump chamber
rotary vacuum
oil rotary
vacuum pump
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
JP6003790U
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 JP6003790U priority Critical patent/JPH0419691U/ja
Publication of JPH0419691U publication Critical patent/JPH0419691U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Rotary Pumps (AREA)

Description

【図面の簡単な説明】
第１図及び第２図は本考案の一実施例を示し、
第１図は縦断面図、第２図は作用を説明するため
の部分断面図である。第３図は本考案の他の実施
例を示す部分断面図である。第４図〜第６図は従
来例を示し、第４図は横断面図、第５図は模式図
、第６図は第１図相当の縦断面図である。 Ａ１，Ａ２……空間、Ｐ１……第１段ポンプ室
、Ｐ２……第２段ポンプ室、４，４１，４２……
回転子、５，５１，５２……翼板、９１……第１
段ポンプ室の排気口、８２……第２段ポンプ室の
吸気口、１０……中間連通路。

Claims (1)

    【実用新案登録請求の範囲】
  1. ２段式ゲーデ形の油回転真空ポンプにおいて、
    回転子と翼板とで囲まれた空間を、第１段ポンプ
    室の排気口と第２段ポンプ室の吸気口とを連通さ
    せる中間連通路に接続したことを特徴とする油回
    転真空ポンプ。
JP6003790U 1990-06-05 1990-06-05 Pending JPH0419691U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6003790U JPH0419691U (ja) 1990-06-05 1990-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6003790U JPH0419691U (ja) 1990-06-05 1990-06-05

Publications (1)

Publication Number Publication Date
JPH0419691U true JPH0419691U (ja) 1992-02-19

Family

ID=31587053

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6003790U Pending JPH0419691U (ja) 1990-06-05 1990-06-05

Country Status (1)

Country Link
JP (1) JPH0419691U (ja)

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