JP2011002017A5 - - Google Patents

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Publication number
JP2011002017A5
JP2011002017A5 JP2009145116A JP2009145116A JP2011002017A5 JP 2011002017 A5 JP2011002017 A5 JP 2011002017A5 JP 2009145116 A JP2009145116 A JP 2009145116A JP 2009145116 A JP2009145116 A JP 2009145116A JP 2011002017 A5 JP2011002017 A5 JP 2011002017A5
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JP
Japan
Prior art keywords
pressure
hydraulic
pressure pump
hydraulic oil
check 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
Application number
JP2009145116A
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English (en)
Japanese (ja)
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JP5266150B2 (ja
JP2011002017A (ja
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Priority to JP2009145116A priority Critical patent/JP5266150B2/ja
Priority claimed from JP2009145116A external-priority patent/JP5266150B2/ja
Publication of JP2011002017A publication Critical patent/JP2011002017A/ja
Publication of JP2011002017A5 publication Critical patent/JP2011002017A5/ja
Application granted granted Critical
Publication of JP5266150B2 publication Critical patent/JP5266150B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2009145116A 2009-06-18 2009-06-18 高圧油圧システム用油圧回路 Active JP5266150B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009145116A JP5266150B2 (ja) 2009-06-18 2009-06-18 高圧油圧システム用油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009145116A JP5266150B2 (ja) 2009-06-18 2009-06-18 高圧油圧システム用油圧回路

Publications (3)

Publication Number Publication Date
JP2011002017A JP2011002017A (ja) 2011-01-06
JP2011002017A5 true JP2011002017A5 (zh) 2012-07-26
JP5266150B2 JP5266150B2 (ja) 2013-08-21

Family

ID=43560140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009145116A Active JP5266150B2 (ja) 2009-06-18 2009-06-18 高圧油圧システム用油圧回路

Country Status (1)

Country Link
JP (1) JP5266150B2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102304934B (zh) * 2011-06-27 2015-07-15 浙江苏强格液压股份有限公司 挖掘机液压系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618753Y2 (ja) * 1987-06-15 1994-05-18 株式会社新潟鐵工所 油圧回路
JPH06229402A (ja) * 1993-01-29 1994-08-16 Toyooki Kogyo Co Ltd 流量方向制御弁装置
JPH09177707A (ja) * 1995-12-25 1997-07-11 Izumi Prod Co 複動式油圧シリンダ用油圧ポンプの油圧回路
JP2001124006A (ja) * 1999-10-29 2001-05-08 Amada Co Ltd 油圧駆動システム
JP3915622B2 (ja) * 2002-07-30 2007-05-16 コベルコ建機株式会社 油圧アクチュエータ回路の負荷保持装置
JP4151597B2 (ja) * 2004-03-31 2008-09-17 コベルコ建機株式会社 油圧制御回路および建設機械
JP4721753B2 (ja) * 2005-04-11 2011-07-13 太平電業株式会社 高圧油圧システム用の油圧回路

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