JPH03112182U - - Google Patents

Info

Publication number
JPH03112182U
JPH03112182U JP2145990U JP2145990U JPH03112182U JP H03112182 U JPH03112182 U JP H03112182U JP 2145990 U JP2145990 U JP 2145990U JP 2145990 U JP2145990 U JP 2145990U JP H03112182 U JPH03112182 U JP H03112182U
Authority
JP
Japan
Prior art keywords
circuit
switch
valve
opens
necessary
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
JP2145990U
Other languages
English (en)
Other versions
JPH0726617Y2 (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 JP2145990U priority Critical patent/JPH0726617Y2/ja
Publication of JPH03112182U publication Critical patent/JPH03112182U/ja
Application granted granted Critical
Publication of JPH0726617Y2 publication Critical patent/JPH0726617Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electrically Driven Valve-Operating Means (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例における部分制御
回路図、第２図は第１図の回路又は従来回路が組
み込まれている電動弁の一例の一部断面正面図、
第３図は従来装置の部分制御回路図である。 ５……弁棒、６……バツクシート、１２……開
スイツチ（ＰＢ０）、１３……開リミツトスイツ
チ（ｈｂ）、１４……開トルクスイツチ（Ｔ０）
、１５……直列回路、２１……切換スイツチ（キ
ー付きスイツチ）、２２……並列回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 弁棒の位置を検出して回路を開き弁開動作を停
    止させる開リミツトスイツチと、弁棒に発生する
    応力によつて回路を開き弁開動作を停止させる開
    トルクスイツチとを直列に備えており、上記開リ
    ミツトスイツチと並列に設けられると共に必要時
    手動若しくは付加される信号電流によつて回路を
    閉じる常時回路開の切換スイツチを備えており、
    上記切換スイツチによつて上記開トルクスイツチ
    を必要時に作動させるように構成していることを
    特徴とする電動弁。
JP2145990U 1990-03-05 1990-03-05 電動弁 Expired - Lifetime JPH0726617Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2145990U JPH0726617Y2 (ja) 1990-03-05 1990-03-05 電動弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2145990U JPH0726617Y2 (ja) 1990-03-05 1990-03-05 電動弁

Publications (2)

Publication Number Publication Date
JPH03112182U true JPH03112182U (ja) 1991-11-15
JPH0726617Y2 JPH0726617Y2 (ja) 1995-06-14

Family

ID=31524506

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2145990U Expired - Lifetime JPH0726617Y2 (ja) 1990-03-05 1990-03-05 電動弁

Country Status (1)

Country Link
JP (1) JPH0726617Y2 (ja)

Also Published As

Publication number Publication date
JPH0726617Y2 (ja) 1995-06-14

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term