JPS59107070U - Hydraulic pump discharge flow control device - Google Patents
Hydraulic pump discharge flow control deviceInfo
- Publication number
- JPS59107070U JPS59107070U JP1283U JP1283U JPS59107070U JP S59107070 U JPS59107070 U JP S59107070U JP 1283 U JP1283 U JP 1283U JP 1283 U JP1283 U JP 1283U JP S59107070 U JPS59107070 U JP S59107070U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pressure
- flow rate
- hydraulic pump
- control device
- 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
Landscapes
- Reciprocating 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案を実施した液圧ポンプの吐出流量制御装
置の断面図、第２図は本考案を実施する液圧回路を示す
回路図である。
１・・・第１のピストン、２・・・第２のピストン、３
・・・受圧ピストン、４・・・支点、５・・・てこ、９
・・・第１の連接ピストン、１１・・・第２の連接ピス
トン、８゜１０・・・ポート、１２・・・制御ピストン
、１３・・・はね、１５・・・室、１７・・・ポート。FIG. 1 is a sectional view of a discharge flow rate control device for a hydraulic pump embodying the present invention, and FIG. 2 is a circuit diagram showing a hydraulic circuit embodying the present invention. 1... first piston, 2... second piston, 3
...Pressure receiving piston, 4...Fully point, 5...Lever, 9
...First connecting piston, 11...Second connecting piston, 8°10...Port, 12...Control piston, 13...Spring, 15...Chamber, 17... ·port.
Claims (1)
ＩＩｇｉｉ切換弁１４を有Ｌ７、受圧ピストン３に自己
圧および連動する他のポンプの圧力を印加して馬カ一定
の制御を行う液圧ポンプの吐出流量制御装置において、
受圧ピストンには自己圧および他のポンプの圧力を受け
るピストンが係合し、それらのピストンには同径の連接
ピストンが同軸に連接し、各ピストンと連接ピストンと
の連接部には示−トが開口しており、ピストンおよび連
接ピストンの長さの和はすべて等しく、かつ連接ピスト
ンの端部には制御ピストンが係合しており、その制御ピ
ストンには連接ピストンの方に押圧されるばねが設けら
れると共に、連接ピストンと反対側に押圧される室が形
成され、その室には流量制御圧が印加されるポートが開
口していることを特徴とする液圧ポンプの吐出流量制御
装置。Lever 5 moving together with follower piston 16 and flow rate R:
In a discharge flow rate control device for a hydraulic pump that has a switching valve 14 L7 and applies self pressure and the pressure of another interlocking pump to the pressure receiving piston 3 to perform constant control,
Pistons that receive self-pressure and pressure from other pumps are engaged with the pressure-receiving piston, and connecting pistons of the same diameter are coaxially connected to these pistons. is open, the sum of the lengths of the piston and the articulating piston are all equal, and the end of the articulating piston is engaged by a control piston, the control piston having a spring biased toward the articulating piston. 1. A discharge flow rate control device for a hydraulic pump, characterized in that a chamber is formed which is pressed on the opposite side of the connecting piston, and a port to which a flow rate control pressure is applied is opened in the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283U JPS59107070U (en) | 1983-01-05 | 1983-01-05 | Hydraulic pump discharge flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1283U JPS59107070U (en) | 1983-01-05 | 1983-01-05 | Hydraulic pump discharge flow control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59107070U true JPS59107070U (en) | 1984-07-19 |
Family
ID=30131751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1283U Pending JPS59107070U (en) | 1983-01-05 | 1983-01-05 | Hydraulic pump discharge flow control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59107070U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57126584A (en) * | 1981-01-30 | 1982-08-06 | Ebara Corp | Minimum flow control device of variable capacity liquid pressure pump |
-
1983
- 1983-01-05 JP JP1283U patent/JPS59107070U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57126584A (en) * | 1981-01-30 | 1982-08-06 | Ebara Corp | Minimum flow control device of variable capacity liquid pressure pump |
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