JPH0356896U - - Google Patents

Info

Publication number
JPH0356896U
JPH0356896U JP11641389U JP11641389U JPH0356896U JP H0356896 U JPH0356896 U JP H0356896U JP 11641389 U JP11641389 U JP 11641389U JP 11641389 U JP11641389 U JP 11641389U JP H0356896 U JPH0356896 U JP H0356896U
Authority
JP
Japan
Prior art keywords
impeller
positioning
mounting structure
stepped portion
main shaft
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.)
Granted
Application number
JP11641389U
Other languages
English (en)
Other versions
JPH0749040Y2 (ja
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 JP1989116413U priority Critical patent/JPH0749040Y2/ja
Publication of JPH0356896U publication Critical patent/JPH0356896U/ja
Application granted granted Critical
Publication of JPH0749040Y2 publication Critical patent/JPH0749040Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Non-Positive Displacement Air Blowers (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係る羽根車取付構造を示す部
分断面図、第2図はその羽根車取付構造の作用を
説明するための図、第3図はロータ主軸の形状を
示す図、第4図A,Bはそれぞれ従来の羽根車取
付構造における1次曲げ固有値の測定結果を示す
図、第5図A,Bはそれぞれ本考案の羽根車取付
構造における1次曲げ固有値の測定結果を示す図
、第6図は磁気軸受を用いたターボ分子ポンプの
構造を示す図である。 図中、1……ロータ主軸、2……羽根車、3…
…位置決用段付部、20……細溝、21……押圧
部材、22……ボルト、23……焼嵌め維持部、
24……焼嵌め解放部。

Claims (1)

  1. 【実用新案登録請求の範囲】 羽根車を位置決めするための位置決用段付部を
    持つロータ主軸に羽根車を焼嵌めで固着する回転
    ロータの羽根車取付構造において、 前記位置決用段付部の周囲で且つ該羽根車の取
    付位置近傍に、細溝を設けたことを特徴とする羽
    根車取付構造。
JP1989116413U 1989-10-03 1989-10-03 羽根車取付構造 Expired - Lifetime JPH0749040Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989116413U JPH0749040Y2 (ja) 1989-10-03 1989-10-03 羽根車取付構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989116413U JPH0749040Y2 (ja) 1989-10-03 1989-10-03 羽根車取付構造

Publications (2)

Publication Number Publication Date
JPH0356896U true JPH0356896U (ja) 1991-05-31
JPH0749040Y2 JPH0749040Y2 (ja) 1995-11-13

Family

ID=31664691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989116413U Expired - Lifetime JPH0749040Y2 (ja) 1989-10-03 1989-10-03 羽根車取付構造

Country Status (1)

Country Link
JP (1) JPH0749040Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012172990A1 (ja) * 2011-06-16 2012-12-20 エドワーズ株式会社 ロータ及び真空ポンプ

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63101521A (ja) * 1986-10-15 1988-05-06 Mitsubishi Heavy Ind Ltd 10,000rpm以上の高速回転体の円板状体と軸とのボルト締結構造

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63101521A (ja) * 1986-10-15 1988-05-06 Mitsubishi Heavy Ind Ltd 10,000rpm以上の高速回転体の円板状体と軸とのボルト締結構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012172990A1 (ja) * 2011-06-16 2012-12-20 エドワーズ株式会社 ロータ及び真空ポンプ
JPWO2012172990A1 (ja) * 2011-06-16 2015-02-23 エドワーズ株式会社 ロータ及び真空ポンプ

Also Published As

Publication number Publication date
JPH0749040Y2 (ja) 1995-11-13

Similar Documents

Publication Publication Date Title
JPH0294451U (ja)
JPH0378144U (ja)
JPS6268468U (ja)
JPH0374319U (ja)
JPH0265067U (ja)
JPS6251944U (ja)
JPH0334646U (ja)
JPH0480249U (ja)
JPS6233658U (ja)
JPS62198834U (ja)
JPH023182U (ja)
JPH01147650U (ja)
JPH0179377U (ja)
JPS61189750U (ja)
JPH036095U (ja)
JPS63176916U (ja)
JPH0196769U (ja)
JPS63187577U (ja)
JPS6229762U (ja)
JPS61205260U (ja)
JPH0443382U (ja)
JPH0294922U (ja)
JPS6358855U (ja)
JPH02114378U (ja)
JPS63158501U (ja)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term