JP2021195962A5 - - Google Patents

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Publication number
JP2021195962A5
JP2021195962A5 JP2020100636A JP2020100636A JP2021195962A5 JP 2021195962 A5 JP2021195962 A5 JP 2021195962A5 JP 2020100636 A JP2020100636 A JP 2020100636A JP 2020100636 A JP2020100636 A JP 2020100636A JP 2021195962 A5 JP2021195962 A5 JP 2021195962A5
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JP
Japan
Prior art keywords
boom
rod side
side chamber
line
vehicle body
Prior art date
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Granted
Application number
JP2020100636A
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English (en)
Japanese (ja)
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JP7461802B2 (ja
JP2021195962A (ja
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Application filed filed Critical
Priority to JP2020100636A priority Critical patent/JP7461802B2/ja
Priority claimed from JP2020100636A external-priority patent/JP7461802B2/ja
Priority to PCT/JP2021/019952 priority patent/WO2021251140A1/ja
Priority to CN202180037382.3A priority patent/CN115516212A/zh
Priority to US17/923,632 priority patent/US12043987B2/en
Publication of JP2021195962A publication Critical patent/JP2021195962A/ja
Publication of JP2021195962A5 publication Critical patent/JP2021195962A5/ja
Application granted granted Critical
Publication of JP7461802B2 publication Critical patent/JP7461802B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2020100636A 2020-06-10 2020-06-10 油圧ショベル駆動システム Active JP7461802B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020100636A JP7461802B2 (ja) 2020-06-10 2020-06-10 油圧ショベル駆動システム
PCT/JP2021/019952 WO2021251140A1 (ja) 2020-06-10 2021-05-26 油圧ショベル駆動システム
CN202180037382.3A CN115516212A (zh) 2020-06-10 2021-05-26 液压挖掘机驱动系统
US17/923,632 US12043987B2 (en) 2020-06-10 2021-05-26 Hydraulic excavator drive system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020100636A JP7461802B2 (ja) 2020-06-10 2020-06-10 油圧ショベル駆動システム

Publications (3)

Publication Number Publication Date
JP2021195962A JP2021195962A (ja) 2021-12-27
JP2021195962A5 true JP2021195962A5 (https=) 2023-02-15
JP7461802B2 JP7461802B2 (ja) 2024-04-04

Family

ID=78845995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020100636A Active JP7461802B2 (ja) 2020-06-10 2020-06-10 油圧ショベル駆動システム

Country Status (4)

Country Link
US (1) US12043987B2 (https=)
JP (1) JP7461802B2 (https=)
CN (1) CN115516212A (https=)
WO (1) WO2021251140A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7389728B2 (ja) * 2020-09-09 2023-11-30 川崎重工業株式会社 油圧ショベル駆動システム
GB2625568A (en) * 2022-12-20 2024-06-26 Hyva Holding Bv A hydraulic cylinder assembly
CN117822676A (zh) * 2024-01-02 2024-04-05 三一重机有限公司 液压控制系统及作业机械

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030623A (en) * 1971-12-13 1977-06-21 Caterpillar Tractor Co. Hydraulic circuitry for an excavator
JP2004019806A (ja) * 2002-06-17 2004-01-22 Hitachi Constr Mach Co Ltd 作業車両の油圧回路
JP2005315312A (ja) * 2004-04-28 2005-11-10 Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd 建設機械の油圧シリンダ駆動装置
US7559197B2 (en) * 2005-08-31 2009-07-14 Caterpillar Inc. Combiner valve control system and method
JP5079827B2 (ja) * 2010-02-10 2012-11-21 日立建機株式会社 油圧ショベルの油圧駆動装置
JP5572586B2 (ja) * 2011-05-19 2014-08-13 日立建機株式会社 作業機械の油圧駆動装置
JP6450487B1 (ja) * 2018-05-15 2019-01-09 川崎重工業株式会社 油圧ショベル駆動システム

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