JPS6084802U - Multiple pump unloading device - Google Patents

Multiple pump unloading device

Info

Publication number
JPS6084802U
JPS6084802U JP17776083U JP17776083U JPS6084802U JP S6084802 U JPS6084802 U JP S6084802U JP 17776083 U JP17776083 U JP 17776083U JP 17776083 U JP17776083 U JP 17776083U JP S6084802 U JPS6084802 U JP S6084802U
Authority
JP
Japan
Prior art keywords
pumps
unloading device
unloading
multiple pump
discharge
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
JP17776083U
Other languages
Japanese (ja)
Inventor
秀雄 田中
大市　實
Original Assignee
東芝機械株式会社
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 東芝機械株式会社 filed Critical 東芝機械株式会社
Priority to JP17776083U priority Critical patent/JPS6084802U/en
Publication of JPS6084802U publication Critical patent/JPS6084802U/en
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (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 drawings]

第１図は従来例の回路図、第２図は本考案の一実施例の
回路図である。 １１．１２，１３・・・ポンプ、３１，３２，３３・・
田シック弁、３４，３５，３６・・・電磁切換弁。FIG. 1 is a circuit diagram of a conventional example, and FIG. 2 is a circuit diagram of an embodiment of the present invention. 11.12,13...pump, 31,32,33...
Tansic valve, 34, 35, 36... Solenoid switching valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数のポンプをそれぞれローディング或いはアンロード
することにより前記複数のポレプの吐出流量を調整する
ようにした油圧装置において、それぞれの前記ポンプの
吐出管路へ分岐管路によりその一側が接続されかつ他側
はタンクに接続されると共に逆止弁機能を内蔵したロジ
ック弁と、同ロジック弁のそれぞれのパイロット室をタ
ンクに接続するか或いは前記ポンプの吐出側に接続して
同ロジック弁の逆止弁機能により前記ポンプのローディ
ングおよびアンロードを制御する電磁切換弁とからなる
複数ポンプのアンロード装置。In a hydraulic system that adjusts the discharge flow rate of the plurality of polep by respectively loading or unloading a plurality of pumps, one side thereof is connected to the discharge pipe of each of the pumps by a branch pipe, and the other side is connected to the discharge pipe of each of the pumps. is a logic valve that is connected to the tank and has a built-in check valve function, and the respective pilot chambers of the logic valve are connected to the tank, or the check valve function of the logic valve is connected to the discharge side of the pump. An unloading device for a plurality of pumps, comprising an electromagnetic switching valve for controlling loading and unloading of the pumps.
JP17776083U 1983-11-17 1983-11-17 Multiple pump unloading device Pending JPS6084802U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17776083U JPS6084802U (en) 1983-11-17 1983-11-17 Multiple pump unloading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17776083U JPS6084802U (en) 1983-11-17 1983-11-17 Multiple pump unloading device

Publications (1)

Publication Number Publication Date
JPS6084802U true JPS6084802U (en) 1985-06-11

Family

ID=30386107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17776083U Pending JPS6084802U (en) 1983-11-17 1983-11-17 Multiple pump unloading device

Country Status (1)

Country Link
JP (1) JPS6084802U (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5686203A (en) * 1979-12-13 1981-07-13 Kawasaki Heavy Ind Ltd Unloading circuit
JPS578382A (en) * 1980-06-20 1982-01-16 Toyo Kikai Kinzoku Kk Flow control of pressure fluid
JPS5776282A (en) * 1980-10-28 1982-05-13 Nippon Kokan Kk <Nkk> Hydraulc unit
JPS581805B2 (en) * 1978-10-26 1983-01-13 ファナック株式会社 Positioning control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581805B2 (en) * 1978-10-26 1983-01-13 ファナック株式会社 Positioning control method
JPS5686203A (en) * 1979-12-13 1981-07-13 Kawasaki Heavy Ind Ltd Unloading circuit
JPS578382A (en) * 1980-06-20 1982-01-16 Toyo Kikai Kinzoku Kk Flow control of pressure fluid
JPS5776282A (en) * 1980-10-28 1982-05-13 Nippon Kokan Kk <Nkk> Hydraulc unit

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