JPS61122390U - - Google Patents

Info

Publication number
JPS61122390U
JPS61122390U JP580485U JP580485U JPS61122390U JP S61122390 U JPS61122390 U JP S61122390U JP 580485 U JP580485 U JP 580485U JP 580485 U JP580485 U JP 580485U JP S61122390 U JPS61122390 U JP S61122390U
Authority
JP
Japan
Prior art keywords
current
detection means
rotation speed
comparator
detected
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
JP580485U
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 JP580485U priority Critical patent/JPS61122390U/ja
Publication of JPS61122390U publication Critical patent/JPS61122390U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Stopping Of Electric Motors (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の概略的構成を示す
ブロツク図、第2図は同実施例の一部のブロツク
図である。 3…モータ、4…ポンプ本体、7,8…回転数
検出手段、9…第1比較器、11…電流検出手段
、12…第2比較器、14…アンドゲート。

Claims (1)

    【実用新案登録請求の範囲】
  1. ポンプ本体に取付けられたモータの回転数を検
    出する回転数検出手段と、該回転数検出手段の検
    出回転数と基準回転数とを比較する第1比較器と
    、前記モータの電流を検出する電流検出手段と、
    該電流検出手段の検出電流と基準電流とを比較す
    る第2比較器と、前記第1比較器及び第2比較器
    の出力信号に基いて、前記モータの回転数が基準
    値以上で且つモータの電流値が基準値以下の場合
    に停止信号を発生して前記モータを停止するアン
    ドゲートとを備えてなるポンプの空運転防止装置
JP580485U 1985-01-19 1985-01-19 Pending JPS61122390U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP580485U JPS61122390U (ja) 1985-01-19 1985-01-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP580485U JPS61122390U (ja) 1985-01-19 1985-01-19

Publications (1)

Publication Number Publication Date
JPS61122390U true JPS61122390U (ja) 1986-08-01

Family

ID=30482653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP580485U Pending JPS61122390U (ja) 1985-01-19 1985-01-19

Country Status (1)

Country Link
JP (1) JPS61122390U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001107871A (ja) * 1999-10-06 2001-04-17 Hokuetsu Kogyo Co Ltd 圧縮機の制御方法及び制御装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59581A (ja) * 1982-06-24 1984-01-05 Mitsubishi Electric Corp ポンプの空転検出装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59581A (ja) * 1982-06-24 1984-01-05 Mitsubishi Electric Corp ポンプの空転検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001107871A (ja) * 1999-10-06 2001-04-17 Hokuetsu Kogyo Co Ltd 圧縮機の制御方法及び制御装置

Similar Documents

Publication Publication Date Title
JPS61122390U (ja)
JPS62153515U (ja)
JPH0223711U (ja)
JPS63149197U (ja)
JPS6217468U (ja)
JPS63198339U (ja)
JPS6378251U (ja)
JPS62174273U (ja)
JPS63139156U (ja)
JPS61187483U (ja)
JPS61157027U (ja)
JPH0235346U (ja)
JPS62198469U (ja)
JPS632260U (ja)
JPS61131709U (ja)
JPS61151783U (ja)
JPH0292346U (ja)
JPS623070U (ja)
JPS62187428U (ja)
JPS6330032U (ja)
JPS6188865U (ja)
JPH048744U (ja)
JPH0342514U (ja)
JPS62109744U (ja)
JPH0214009U (ja)