JPS5872507U - Hydraulic closed circuit device - Google Patents
Hydraulic closed circuit deviceInfo
- Publication number
- JPS5872507U JPS5872507U JP16651881U JP16651881U JPS5872507U JP S5872507 U JPS5872507 U JP S5872507U JP 16651881 U JP16651881 U JP 16651881U JP 16651881 U JP16651881 U JP 16651881U JP S5872507 U JPS5872507 U JP S5872507U
- Authority
- JP
- Japan
- Prior art keywords
- closed circuit
- circuit device
- hydraulic closed
- servo valve
- hydraulic
- 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
- Fluid-Pressure Circuits (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は従来の閉回路装置の構成説明図、第2図は本考
案−実施例の構成説明図、第3図は本考案の他の実施例
の構成説明図である。
31はチャージ用ポンプ、49はサーボ弁、Cは制御機
構。
□
第2図
一一−−−−−−−−−−↓−−−JFIG. 1 is an explanatory diagram of the configuration of a conventional closed circuit device, FIG. 2 is an explanatory diagram of the configuration of an embodiment of the present invention, and FIG. 3 is an explanatory diagram of the configuration of another embodiment of the present invention. 31 is a charging pump, 49 is a servo valve, and C is a control mechanism. □ Figure 2 11--------↓--J
Claims (1)
された可変容量形のチャージ用ポンプ31と、チャージ
用ポンプ31の吐出量を制御するサーボ弁49と、操作
レバーの操作により閉回路40.40’の可変容量ポン
プ2,2′の吐出量を制御すると共に閉回路40.40
’の油圧シリンダ3.3′の伸長作動時前記サーボ弁4
9を制御する制御機構Cとを備えたことを特徴とする油
圧閉回路装置。A variable capacity charging pump 31 whose discharge side is connected to the charging circuit 41 of the closed circuit 40.40', a servo valve 49 that controls the discharge amount of the charging pump 31, and a closed circuit 40. 40' to control the discharge amount of the variable displacement pumps 2, 2' and a closed circuit 40.40
' Hydraulic cylinder 3. Said servo valve 4 when 3' is extended.
9. A hydraulic closed circuit device comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16651881U JPS5872507U (en) | 1981-11-10 | 1981-11-10 | Hydraulic closed circuit device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16651881U JPS5872507U (en) | 1981-11-10 | 1981-11-10 | Hydraulic closed circuit device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5872507U true JPS5872507U (en) | 1983-05-17 |
Family
ID=29958672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16651881U Pending JPS5872507U (en) | 1981-11-10 | 1981-11-10 | Hydraulic closed circuit device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5872507U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010261504A (en) * | 2009-05-07 | 2010-11-18 | Yanmar Co Ltd | Hydraulic device |
JP2011241080A (en) * | 2010-05-20 | 2011-12-01 | Toyota Industries Corp | Cargo-handling hydraulic circuit device for forklift |
WO2013027619A1 (en) * | 2011-08-24 | 2013-02-28 | 株式会社小松製作所 | Hydraulic drive system |
-
1981
- 1981-11-10 JP JP16651881U patent/JPS5872507U/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010261504A (en) * | 2009-05-07 | 2010-11-18 | Yanmar Co Ltd | Hydraulic device |
JP2011241080A (en) * | 2010-05-20 | 2011-12-01 | Toyota Industries Corp | Cargo-handling hydraulic circuit device for forklift |
WO2013027619A1 (en) * | 2011-08-24 | 2013-02-28 | 株式会社小松製作所 | Hydraulic drive system |
JP2013044397A (en) * | 2011-08-24 | 2013-03-04 | Komatsu Ltd | Hydraulic drive system |
US9810246B2 (en) | 2011-08-24 | 2017-11-07 | Komatsu Ltd. | Hydraulic drive system |
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