JPH01173386U - - Google Patents
Info
- Publication number
- JPH01173386U JPH01173386U JP6600088U JP6600088U JPH01173386U JP H01173386 U JPH01173386 U JP H01173386U JP 6600088 U JP6600088 U JP 6600088U JP 6600088 U JP6600088 U JP 6600088U JP H01173386 U JPH01173386 U JP H01173386U
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- control means
- throttle amount
- plunger pump
- throttle valve
- 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
- 239000012530 fluid Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例としてのプランジヤ
ポンプの全体構成図、第２図は第１図のポンプで
用いる可変絞り弁の断面図、第３図は第１図のポ
ンプの用いる駆動電流値算出マツプの特性線図、
第４図は第１図のポンプの用いる温度補正電流値
算出マツプの特性線図、第５図は第１図のポンプ
の作動特性線図である。
１……可変絞り弁、６……コントローラ、２０
……オリフイス、Ａ……油圧回路、Ｅ……吐出路
、Ｉ……吸入路、Ｐ……プランジヤポンプ本体。
Fig. 1 is an overall configuration diagram of a plunger pump as an embodiment of the present invention, Fig. 2 is a sectional view of a variable throttle valve used in the pump shown in Fig. 1, and Fig. 3 is a drive current used in the pump shown in Fig. 1. Characteristic diagram of value calculation map,
4 is a characteristic diagram of a temperature-corrected current value calculation map used by the pump of FIG. 1, and FIG. 5 is an operating characteristic diagram of the pump of FIG. 1. 1... Variable throttle valve, 6... Controller, 20
...Orifice, A...Hydraulic circuit, E...Discharge path, I...Suction path, P...Plunger pump body.
Claims (1)
て吐出路に吐出するプランジヤポンプであつて、
前記吸入路上に、制御手段により絞り量を作動さ
れることにより流動体の流動量を連続的に増減操
作できる可変絞り弁を設け、前記制御手段はポン
プ回転数に応じた絞り量を求めた上でこの絞り量
に可変絞り弁を切換保持する特性を有したことを
特徴とするプランジヤポンプ。 A plunger pump that pressurizes fluid from a suction passage in a fluid circulation system and discharges it to a discharge passage,
A variable throttle valve is provided on the suction path, which can continuously increase or decrease the flow rate of the fluid by operating the throttle amount by a control means, and the control means determines the throttle amount according to the pump rotation speed. A plunger pump characterized by having a characteristic of switching and maintaining a variable throttle valve at this throttle amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988066000U JPH085343Y2 (en) | 1988-05-19 | 1988-05-19 | Plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988066000U JPH085343Y2 (en) | 1988-05-19 | 1988-05-19 | Plunger pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01173386U true JPH01173386U (en) | 1989-12-08 |
| JPH085343Y2 JPH085343Y2 (en) | 1996-02-14 |
Family
ID=31291420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988066000U Expired - Lifetime JPH085343Y2 (en) | 1988-05-19 | 1988-05-19 | Plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH085343Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5058124U (en) * | 1973-10-01 | 1975-05-30 |
-
1988
- 1988-05-19 JP JP1988066000U patent/JPH085343Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5058124U (en) * | 1973-10-01 | 1975-05-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH085343Y2 (en) | 1996-02-14 |