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
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
JP2020100636A
Other languages
English (en)
Japanese (ja)
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JP2021195962A (ja
JP7461802B2 (ja
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Publication date
Application filed filed Critical
Priority to JP2020100636A priority Critical patent/JP7461802B2/ja
Priority claimed from JP2020100636A external-priority patent/JP7461802B2/ja
Priority to US17/923,632 priority patent/US20230183946A1/en
Priority to PCT/JP2021/019952 priority patent/WO2021251140A1/ja
Priority to CN202180037382.3A priority patent/CN115516212A/zh
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
US17/923,632 US20230183946A1 (en) 2020-06-10 2021-05-26 Hydraulic excavator drive system
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

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 (US06633600-20031014-M00021.png) 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)

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US (1) US20230183946A1 (US06633600-20031014-M00021.png)
JP (1) JP7461802B2 (US06633600-20031014-M00021.png)
CN (1) CN115516212A (US06633600-20031014-M00021.png)
WO (1) WO2021251140A1 (US06633600-20031014-M00021.png)

Families Citing this family (2)

* 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

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