JPS595786U - Pump abnormal operation prevention device - Google Patents

Pump abnormal operation prevention device

Info

Publication number
JPS595786U
JPS595786U JP10035682U JP10035682U JPS595786U JP S595786 U JPS595786 U JP S595786U JP 10035682 U JP10035682 U JP 10035682U JP 10035682 U JP10035682 U JP 10035682U JP S595786 U JPS595786 U JP S595786U
Authority
JP
Japan
Prior art keywords
pump
abnormal operation
flow rate
prevention device
operation prevention
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
JP10035682U
Other languages
Japanese (ja)
Other versions
JPS6329892Y2 (en
Inventor
多 村岡
田上　正隆
Original Assignee
三洋電機株式会社
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 by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP10035682U priority Critical patent/JPS595786U/en
Publication of JPS595786U publication Critical patent/JPS595786U/en
Application granted granted Critical
Publication of JPS6329892Y2 publication Critical patent/JPS6329892Y2/ja
Granted legal-status Critical Current

Links

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  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図と第２図は夫々従来と本案のポンプの異常運転防
止装置である。 １・・・圧力スイッチ、２・・・流量スイッチ、イ・・
・常開接点、口・・・常閉接点、３・・・ポンプモータ
、６・・・遅延タイマ、７・・・遅延タイマの接点。FIG. 1 and FIG. 2 show the conventional and proposed pump abnormal operation prevention devices, respectively. 1...Pressure switch, 2...Flow rate switch, I...
・Normally open contact, Mouth: Normally closed contact, 3: Pump motor, 6: Delay timer, 7: Delay timer contact.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ポンプの吐出管内圧力が低下した時に接点を閉じる圧力
スイッチと、吐出管内に一定の流量がある時に接点を閉
じる流量スイッチとを並列に接続し、これをポンプモー
タと直列に接続したものに於て、前記流量スイッチに常
閉接点を設けて該接点に遅延タイマを接続し、該遅延タ
イマに通電後一定時間経過した時に開く接点を、前記ポ
ンプモータと直列に接続してなるポンプの異常運転防止
装置。A pressure switch that closes the contacts when the pressure in the pump's discharge pipe decreases and a flow rate switch that closes the contacts when there is a certain flow rate in the discharge pipe are connected in parallel, and these are connected in series with the pump motor. , the flow rate switch is provided with a normally closed contact, a delay timer is connected to the contact, and a contact that opens when a certain period of time has elapsed after energization of the delay timer is connected in series with the pump motor to prevent abnormal operation of the pump. Device.
JP10035682U 1982-07-01 1982-07-01 Pump abnormal operation prevention device Granted JPS595786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10035682U JPS595786U (en) 1982-07-01 1982-07-01 Pump abnormal operation prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10035682U JPS595786U (en) 1982-07-01 1982-07-01 Pump abnormal operation prevention device

Publications (2)

Publication Number Publication Date
JPS595786U true JPS595786U (en) 1984-01-14
JPS6329892Y2 JPS6329892Y2 (en) 1988-08-10

Family

ID=30237439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10035682U Granted JPS595786U (en) 1982-07-01 1982-07-01 Pump abnormal operation prevention device

Country Status (1)

Country Link
JP (1) JPS595786U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204982U (en) * 1985-06-12 1986-12-24
JPS62103494A (en) * 1985-07-02 1987-05-13 Ebara Corp Device for detecting air-lock condition of pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204982U (en) * 1985-06-12 1986-12-24
JPS62103494A (en) * 1985-07-02 1987-05-13 Ebara Corp Device for detecting air-lock condition of pump

Also Published As

Publication number Publication date
JPS6329892Y2 (en) 1988-08-10

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