JPS60112680U - Control device for variable displacement pump - Google Patents
Control device for variable displacement pumpInfo
- Publication number
- JPS60112680U JPS60112680U JP36684U JP36684U JPS60112680U JP S60112680 U JPS60112680 U JP S60112680U JP 36684 U JP36684 U JP 36684U JP 36684 U JP36684 U JP 36684U JP S60112680 U JPS60112680 U JP S60112680U
- Authority
- JP
- Japan
- Prior art keywords
- variable displacement
- displacement pump
- control device
- control
- discharge amount
- 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
Links
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
第１図は、従来の可変容量ポンプの制御装置を示す回路
図、第２図は、制御特性図、第３図は、この考案の実施
の一例を示す回路図、第４図及び第５図は、それぞれこ
の考案の他の実施例を示す回路図である。
−
１・・・・・・可変容量ポンプ、２・・・・・・制御シ
リンダ、５・・・・・・前記制御シリンダと協同して制
御機構を構成スるレギュレータ、７・・・・・・カット
オフ弁、１０・・・・・・切換弁。
オ ３ 図
？へ上
才 ｑ 図
′夕Fig. 1 is a circuit diagram showing a conventional variable displacement pump control device, Fig. 2 is a control characteristic diagram, Fig. 3 is a circuit diagram showing an example of implementation of this invention, and Figs. 4 and 5. are circuit diagrams showing other embodiments of this invention.
- 1...variable displacement pump, 2...control cylinder, 5...regulator constituting a control mechanism in cooperation with the control cylinder, 7...・Cut-off valve, 10...Switching valve. O 3 diagram? He superior q Figure'Yu
Claims (1)
して、当該可変容量ポンプの吐出量を調整する制御シリ
ンダとレギュレータとからなる制御機構と、上記可変容
量ポンプの吐出圧が設定圧に達したときに、当該制御機
構を介して可変容量ポンプの吐出量を減少させるように
切換え動作するカットオフ弁とを備え、かつ、このカッ
トオフ弁とタンデム状態を保って、当該カットオフ弁を
介し制御シリンダに供給される可変容量ポンプからの流
体の流れを、必要に応じて任意に断つ二とのできる切換
弁を設けてなる可変容量ポンプの制御装置。a control mechanism consisting of a variable displacement pump, a control cylinder and a regulator that detect the discharge pressure of the variable displacement pump and adjust the discharge amount of the variable displacement pump; a cut-off valve that switches to reduce the discharge amount of the variable displacement pump via the control mechanism when A variable displacement pump control device comprising a switching valve that can arbitrarily cut off the flow of fluid from a variable displacement pump supplied to a control cylinder as necessary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36684U JPS60112680U (en) | 1984-01-06 | 1984-01-06 | Control device for variable displacement pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36684U JPS60112680U (en) | 1984-01-06 | 1984-01-06 | Control device for variable displacement pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60112680U true JPS60112680U (en) | 1985-07-30 |
Family
ID=30472139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36684U Pending JPS60112680U (en) | 1984-01-06 | 1984-01-06 | Control device for variable displacement pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112680U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016037925A (en) * | 2014-08-08 | 2016-03-22 | 川崎重工業株式会社 | Flow rate control device of variable displacement hydraulic pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5932685A (en) * | 1982-08-16 | 1984-02-22 | Hitachi Constr Mach Co Ltd | Capacity controller for variable capacity pump |
-
1984
- 1984-01-06 JP JP36684U patent/JPS60112680U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5932685A (en) * | 1982-08-16 | 1984-02-22 | Hitachi Constr Mach Co Ltd | Capacity controller for variable capacity pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016037925A (en) * | 2014-08-08 | 2016-03-22 | 川崎重工業株式会社 | Flow rate control device of variable displacement hydraulic pump |
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