JPH01118196U - - Google Patents

Info

Publication number
JPH01118196U
JPH01118196U JP1218488U JP1218488U JPH01118196U JP H01118196 U JPH01118196 U JP H01118196U JP 1218488 U JP1218488 U JP 1218488U JP 1218488 U JP1218488 U JP 1218488U JP H01118196 U JPH01118196 U JP H01118196U
Authority
JP
Japan
Prior art keywords
impellers
backs
impeller
hollow
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
JP1218488U
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 JP1218488U priority Critical patent/JPH01118196U/ja
Publication of JPH01118196U publication Critical patent/JPH01118196U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (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に係る羽根車の断面
図、第2図はそれを組み込んだ真空ポンプの一部
断面図、第3図は従来の羽根車の断面図である。 2,3…羽根車。

Claims (1)

    【実用新案登録請求の範囲】
  1. 互いに背面で結合された2枚の羽根車の背面部
    を中空に形成してなることを特徴とする羽根車。
JP1218488U 1988-02-02 1988-02-02 Pending JPH01118196U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1218488U JPH01118196U (ja) 1988-02-02 1988-02-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1218488U JPH01118196U (ja) 1988-02-02 1988-02-02

Publications (1)

Publication Number Publication Date
JPH01118196U true JPH01118196U (ja) 1989-08-09

Family

ID=31221403

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1218488U Pending JPH01118196U (ja) 1988-02-02 1988-02-02

Country Status (1)

Country Link
JP (1) JPH01118196U (ja)

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