JPH0419902U - - Google Patents
Info
- Publication number
- JPH0419902U JPH0419902U JP6261390U JP6261390U JPH0419902U JP H0419902 U JPH0419902 U JP H0419902U JP 6261390 U JP6261390 U JP 6261390U JP 6261390 U JP6261390 U JP 6261390U JP H0419902 U JPH0419902 U JP H0419902U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- flow rate
- sub
- discharge
- variable displacement
- 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
Links
- 238000006073 displacement reaction Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
Description
第１図は流量調整用油圧回路を表す油圧回路図
、第２図は切換スイツチ部を表す電気回路図であ
る。
１０……メイン流量調整回路、２０……流量設
定回路、２１……減圧弁、２２……第１制御弁、
３０……流量変更回路、４０……微少流量調整回
路、４１……可変絞り弁、５０……切換回路、５
１……遮断弁、５２……第２制御弁、６０……主
管路、６１……副管路、Ｐ１……プランジヤポン
プ。
FIG. 1 is a hydraulic circuit diagram showing a flow rate adjustment hydraulic circuit, and FIG. 2 is an electric circuit diagram showing a changeover switch section. 10... Main flow rate adjustment circuit, 20... Flow rate setting circuit, 21... Pressure reducing valve, 22... First control valve,
30...Flow rate change circuit, 40...Minute flow rate adjustment circuit, 41...Variable throttle valve, 50...Switching circuit, 5
DESCRIPTION OF SYMBOLS 1...Shutoff valve, 52...Second control valve, 60...Main pipe line, 61...Subducting pipe line, P1...Plunger pump.
Claims (1)
、 該主流路にバイパスする副流路と、 該副流路に設けられた流量調整回路と、 上記主流路と副流路との間で流路を切り換える
切換手段と、 上記可変容量ポンプの最少吐出流量より少量の
吐出流量を指示する指示手段と、 上記指示手段により指示されたとき、上記切換
手段により上記副流路側に切り換えると共に、上
記可変容量ポンプの吐出量を上記最少吐出流量に
設定する設定手段と を備えた流量調整用油圧回路。[Claims for Utility Model Registration] A main flow path provided on the discharge side of a variable displacement pump, a sub flow path bypassing the main flow path, a flow rate adjustment circuit provided in the sub flow path, and the above main flow path. a switching means for switching the flow path between the sub-flow path and the sub-flow path; an instructing means for instructing a discharge flow rate smaller than the minimum discharge flow rate of the variable displacement pump; A hydraulic circuit for adjusting a flow rate, comprising a setting means for switching to a flow path side and setting a discharge amount of the variable displacement pump to the minimum discharge flow rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6261390U JPH0734217Y2 (en) | 1990-06-13 | 1990-06-13 | Hydraulic circuit for flow rate adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6261390U JPH0734217Y2 (en) | 1990-06-13 | 1990-06-13 | Hydraulic circuit for flow rate adjustment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0419902U true JPH0419902U (en) | 1992-02-19 |
| JPH0734217Y2 JPH0734217Y2 (en) | 1995-08-02 |
Family
ID=31591924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6261390U Expired - Lifetime JPH0734217Y2 (en) | 1990-06-13 | 1990-06-13 | Hydraulic circuit for flow rate adjustment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734217Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026648A (en) * | 2018-08-27 | 2018-12-18 | 天津航天瑞莱科技有限公司 | A kind of medium volume flow regulator pumped at class products export |
-
1990
- 1990-06-13 JP JP6261390U patent/JPH0734217Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026648A (en) * | 2018-08-27 | 2018-12-18 | 天津航天瑞莱科技有限公司 | A kind of medium volume flow regulator pumped at class products export |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734217Y2 (en) | 1995-08-02 |
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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 |