JPS6078992U - Hydraulic pump input horsepower adjustment device - Google Patents
Hydraulic pump input horsepower adjustment deviceInfo
- Publication number
- JPS6078992U JPS6078992U JP17004783U JP17004783U JPS6078992U JP S6078992 U JPS6078992 U JP S6078992U JP 17004783 U JP17004783 U JP 17004783U JP 17004783 U JP17004783 U JP 17004783U JP S6078992 U JPS6078992 U JP S6078992U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic pump
- adjustment device
- input horsepower
- control
- horsepower adjustment
- 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′図は本考案を実施した液圧ポンプの入力馬力調整
装置の一例を示す回路図、第２図は第１図に示した装置
の具体例を示す断面図、第３図は本考案を実施した場合
にポンプ特性を調整できる範囲をグラフ化して示す図、
第４図は本考案を適用できる液圧回路の一例を示す図で
ある。
３・・・・・・ポンプ角度制御装置、４・・・・・・ピ
ストン、 、 ・５・・・・・・スプリング室、６・
・・・・・スプリング、７・・開制御圧力室、８・・・
・・・制御圧ライン、９・・・・・・重比型減圧弁、１
０・・・・・・第２の圧力室。Fig. 1' is a circuit diagram showing an example of an input horsepower adjustment device for a hydraulic pump embodying the present invention, Fig. 2 is a sectional view showing a specific example of the device shown in Fig. 1, and Fig. 3 is a circuit diagram showing an example of the input horsepower adjusting device of a hydraulic pump embodying the present invention. A graph showing the range in which pump characteristics can be adjusted when
FIG. 4 is a diagram showing an example of a hydraulic circuit to which the present invention can be applied. 3... Pump angle control device, 4... Piston, , 5... Spring chamber, 6...
... Spring, 7... Open control pressure chamber, 8...
...Control pressure line, 9...Gravity ratio type pressure reducing valve, 1
0...Second pressure chamber.
Claims (1)
備え、制御ピストンの他側にスプリングを収容している
スプリング室を備え、その制御ピストンの位置で吐出量
を制御するポンプ角度開胸装置を有する可変容量型液圧
ポンプの入力馬力調整装置において、前記制御圧力室と
別の第２の圧力室をスプリング室と対向して設け、その
第２の圧力室は重比型減圧弁を介して制御圧ラインに接
続されていることを特徴とする液圧ポンプの入力馬力調
整装置。A pump having a control pressure chamber on one side of the control piston to which a control pressure is applied, a spring chamber containing a spring on the other side of the control piston, and a pump angle thoracotomy in which the displacement is controlled by the position of the control piston. In the input horsepower adjustment device for a variable displacement hydraulic pump having a device, a second pressure chamber separate from the control pressure chamber is provided opposite to a spring chamber, and the second pressure chamber has a gravity ratio pressure reducing valve. An input horsepower adjustment device for a hydraulic pump, characterized in that the device is connected to a control pressure line through the control pressure line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17004783U JPS6078992U (en) | 1983-11-04 | 1983-11-04 | Hydraulic pump input horsepower adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17004783U JPS6078992U (en) | 1983-11-04 | 1983-11-04 | Hydraulic pump input horsepower adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6078992U true JPS6078992U (en) | 1985-06-01 |
Family
ID=30371322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17004783U Pending JPS6078992U (en) | 1983-11-04 | 1983-11-04 | Hydraulic pump input horsepower adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6078992U (en) |
-
1983
- 1983-11-04 JP JP17004783U patent/JPS6078992U/en active Pending
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