JPH0427196U - - Google Patents

Info

Publication number
JPH0427196U
JPH0427196U JP6983790U JP6983790U JPH0427196U JP H0427196 U JPH0427196 U JP H0427196U JP 6983790 U JP6983790 U JP 6983790U JP 6983790 U JP6983790 U JP 6983790U JP H0427196 U JPH0427196 U JP H0427196U
Authority
JP
Japan
Prior art keywords
rotor
tapered surface
shaft
taper fitting
bearing
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
JP6983790U
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 JP6983790U priority Critical patent/JPH0427196U/ja
Publication of JPH0427196U publication Critical patent/JPH0427196U/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〜第3図は本考案の一実施例を示し、第
1図はターボ分子ポンプの縦断面図、第2図は第
1図の部分拡大断面図、第3図は作用説明図であ
る。第4図及び第5図は従来のターボ分子ポンプ
を示す第1図相当の縦断面図である。 A……テーパ嵌合部、S……ポンプ作用が営ま
れる領域(中段部)、5……軸受、6……シヤフ
ト、6a……テーパ面、7……ロータ、7a……
テーパ面、15……凹欠部、20……貫通孔。

Claims (1)

    【実用新案登録請求の範囲】
  1. 軸受によつて高速回転可能に支承されたシヤフ
    トの軸端部にテーパ嵌合によつてロータを固定し
    、そのテーパ嵌合部をなすシヤフト側のテーパ面
    又はロータ側のテーパ面に凹欠部を設けた分子ポ
    ンプにおいて、前記凹欠部をポンプ作用が営まれ
    る領域に連通させるための貫通孔を前記ロータに
    設けたことを特徴とする分子ポンプ。
JP6983790U 1990-06-29 1990-06-29 Pending JPH0427196U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6983790U JPH0427196U (ja) 1990-06-29 1990-06-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6983790U JPH0427196U (ja) 1990-06-29 1990-06-29

Publications (1)

Publication Number Publication Date
JPH0427196U true JPH0427196U (ja) 1992-03-04

Family

ID=31605485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6983790U Pending JPH0427196U (ja) 1990-06-29 1990-06-29

Country Status (1)

Country Link
JP (1) JPH0427196U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000064986A (ja) * 1998-08-12 2000-03-03 Seiko Seiki Co Ltd ターボ分子ポンプ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000064986A (ja) * 1998-08-12 2000-03-03 Seiko Seiki Co Ltd ターボ分子ポンプ

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