JPH03115260U - - Google Patents

Info

Publication number
JPH03115260U
JPH03115260U JP2374790U JP2374790U JPH03115260U JP H03115260 U JPH03115260 U JP H03115260U JP 2374790 U JP2374790 U JP 2374790U JP 2374790 U JP2374790 U JP 2374790U JP H03115260 U JPH03115260 U JP H03115260U
Authority
JP
Japan
Prior art keywords
vacuum processing
valve
variable conductance
conductance valve
butterfly
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
JP2374790U
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 JP2374790U priority Critical patent/JPH03115260U/ja
Publication of JPH03115260U publication Critical patent/JPH03115260U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Lift Valve (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の平面図、第2図は
その動作状態を示す側面図、第3図は従来の実施
例における動作状態を示す側面図である。 1……ケーシング、2a,2b……弁体、3a
,3b……回転軸、4a,4b……ピニオンギア
、5……カツプリング、6……減速機、7……ス
テツピングモータ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 真空処理装置の真空処理室と排気装置との間に
    設けられ、ガス圧力制御に用いるバタフライ型の
    コンダクタンス可変弁において、弁体を2分割し
    、一つの駆動源で二つの弁体を駆動できる構成と
    したことを特徴とするコンダクタンス可変弁。
JP2374790U 1990-03-12 1990-03-12 Pending JPH03115260U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2374790U JPH03115260U (ja) 1990-03-12 1990-03-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2374790U JPH03115260U (ja) 1990-03-12 1990-03-12

Publications (1)

Publication Number Publication Date
JPH03115260U true JPH03115260U (ja) 1991-11-28

Family

ID=31526730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2374790U Pending JPH03115260U (ja) 1990-03-12 1990-03-12

Country Status (1)

Country Link
JP (1) JPH03115260U (ja)

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