JPH0283395U - - Google Patents

Info

Publication number
JPH0283395U
JPH0283395U JP16290588U JP16290588U JPH0283395U JP H0283395 U JPH0283395 U JP H0283395U JP 16290588 U JP16290588 U JP 16290588U JP 16290588 U JP16290588 U JP 16290588U JP H0283395 U JPH0283395 U JP H0283395U
Authority
JP
Japan
Prior art keywords
receiving
shaft
receiving portion
shaft portion
spiral groove
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
JP16290588U
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 JP16290588U priority Critical patent/JPH0283395U/ja
Publication of JPH0283395U publication Critical patent/JPH0283395U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Non-Positive Displacement Air Blowers (AREA)
  • Sliding-Contact Bearings (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係わる軸受装置の断面図およ
び第2図は従来例の軸受装置の断面図である。 1…ロータ軸、2…スパイラル部、3…軸部、
4…窪み、5…受け部。

Claims (1)

  1. 【実用新案登録請求の範囲】 ターボ分子ポンプのロータ軸先端に設けられた
    スパイラル溝付きの軸部と、この軸部を受け入れ
    る窪みを有する受け部とで構成され、上記スパイ
    ラル溝の回転によるポンプ作用により上記溝部と
    受け部との間に潤滑油を挿入して潤滑を行うター
    ボ分子ポンプの軸受装置において、 上記軸部または受部をセラミツクスで形成した
    ことを特徴とするターボ分子ポンプの軸受装置。
JP16290588U 1988-12-15 1988-12-15 Pending JPH0283395U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16290588U JPH0283395U (ja) 1988-12-15 1988-12-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16290588U JPH0283395U (ja) 1988-12-15 1988-12-15

Publications (1)

Publication Number Publication Date
JPH0283395U true JPH0283395U (ja) 1990-06-27

Family

ID=31447158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16290588U Pending JPH0283395U (ja) 1988-12-15 1988-12-15

Country Status (1)

Country Link
JP (1) JPH0283395U (ja)

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