JPH02145304U - - Google Patents
Info
- Publication number
- JPH02145304U JPH02145304U JP5345789U JP5345789U JPH02145304U JP H02145304 U JPH02145304 U JP H02145304U JP 5345789 U JP5345789 U JP 5345789U JP 5345789 U JP5345789 U JP 5345789U JP H02145304 U JPH02145304 U JP H02145304U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic excavator
- pilot
- throttle
- hydraulic
- main pump
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Description
第１図は本考案の油圧回路図、第２図は従来例
の油圧回路図である。 Ｐ：主ポンプ、１：パイロツト弁、２：パイロ
ツト式切換弁、３，４：パイロツト管路、５：分
岐管路、６：絞り、７：逆止弁、８：戻り管路、
９：減圧弁、１０：タンク、１１：フイルタ。
の油圧回路図である。 Ｐ：主ポンプ、１：パイロツト弁、２：パイロ
ツト式切換弁、３，４：パイロツト管路、５：分
岐管路、６：絞り、７：逆止弁、８：戻り管路、
９：減圧弁、１０：タンク、１１：フイルタ。
Claims (1)
- 主ポンプＰの戻り管路８を分岐管路５を介し絞
り６および逆止弁７を経てパイロツト式切換弁２
のパイロツト室２ａ，２ｂに接続したことを特徴
とする油圧シヨベル等の油圧回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5345789U JPH02145304U (ja) | 1989-05-11 | 1989-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5345789U JPH02145304U (ja) | 1989-05-11 | 1989-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02145304U true JPH02145304U (ja) | 1990-12-10 |
Family
ID=31574657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5345789U Pending JPH02145304U (ja) | 1989-05-11 | 1989-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02145304U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020002995A (ja) * | 2018-06-27 | 2020-01-09 | 株式会社クボタ | 作業機の油圧システム |
-
1989
- 1989-05-11 JP JP5345789U patent/JPH02145304U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020002995A (ja) * | 2018-06-27 | 2020-01-09 | 株式会社クボタ | 作業機の油圧システム |
| US11143217B2 (en) | 2018-06-27 | 2021-10-12 | Kubota Corporation | Hydraulic system for working machine |