JP2020026828A5 - - Google Patents

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Publication number
JP2020026828A5
JP2020026828A5 JP2018151071A JP2018151071A JP2020026828A5 JP 2020026828 A5 JP2020026828 A5 JP 2020026828A5 JP 2018151071 A JP2018151071 A JP 2018151071A JP 2018151071 A JP2018151071 A JP 2018151071A JP 2020026828 A5 JP2020026828 A5 JP 2020026828A5
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JP
Japan
Prior art keywords
port
pump
supply
valve
pressure
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.)
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Application number
JP2018151071A
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English (en)
Japanese (ja)
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JP6964052B2 (ja
JP2020026828A (ja
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Publication date
Application filed filed Critical
Priority claimed from JP2018151071A external-priority patent/JP6964052B2/ja
Priority to JP2018151071A priority Critical patent/JP6964052B2/ja
Priority to DE112019004044.8T priority patent/DE112019004044T5/de
Priority to US17/262,838 priority patent/US11131080B2/en
Priority to CN201980048928.8A priority patent/CN112424485A/zh
Priority to PCT/JP2019/030113 priority patent/WO2020031816A1/ja
Publication of JP2020026828A publication Critical patent/JP2020026828A/ja
Publication of JP2020026828A5 publication Critical patent/JP2020026828A5/ja
Publication of JP6964052B2 publication Critical patent/JP6964052B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2018151071A 2018-08-10 2018-08-10 建設機械の油圧回路 Active JP6964052B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018151071A JP6964052B2 (ja) 2018-08-10 2018-08-10 建設機械の油圧回路
PCT/JP2019/030113 WO2020031816A1 (ja) 2018-08-10 2019-08-01 建設機械の油圧回路
US17/262,838 US11131080B2 (en) 2018-08-10 2019-08-01 Hydraulic circuit of construction machine
CN201980048928.8A CN112424485A (zh) 2018-08-10 2019-08-01 工程机械的油压回路
DE112019004044.8T DE112019004044T5 (de) 2018-08-10 2019-08-01 Hydraulikkreislauf einer baumaschine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018151071A JP6964052B2 (ja) 2018-08-10 2018-08-10 建設機械の油圧回路

Publications (3)

Publication Number Publication Date
JP2020026828A JP2020026828A (ja) 2020-02-20
JP2020026828A5 true JP2020026828A5 (enExample) 2021-06-10
JP6964052B2 JP6964052B2 (ja) 2021-11-10

Family

ID=69414219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018151071A Active JP6964052B2 (ja) 2018-08-10 2018-08-10 建設機械の油圧回路

Country Status (5)

Country Link
US (1) US11131080B2 (enExample)
JP (1) JP6964052B2 (enExample)
CN (1) CN112424485A (enExample)
DE (1) DE112019004044T5 (enExample)
WO (1) WO2020031816A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11713775B2 (en) * 2020-08-18 2023-08-01 Deere & Company Agricultural implements and hydraulic circuits therefor incorporating one or more priority valves
CN118843750A (zh) * 2022-03-15 2024-10-25 川崎重工业株式会社 液压驱动装置
JP7784927B2 (ja) * 2022-03-15 2025-12-12 川崎重工業株式会社 液圧駆動装置
WO2023176732A1 (ja) * 2022-03-15 2023-09-21 川崎重工業株式会社 液圧駆動装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58153829A (ja) * 1982-03-08 1983-09-13 Kobe Steel Ltd 油圧シヨベルの油圧回路
JP2948064B2 (ja) 1993-09-06 1999-09-13 日立建機株式会社 建設機械の油圧駆動装置
US5950429A (en) * 1997-12-17 1999-09-14 Husco International, Inc. Hydraulic control valve system with load sensing priority
WO2012125794A1 (en) * 2011-03-15 2012-09-20 Husco International, Inc. System for allocating fluid from multiple pumps to a plurality of hydraulic functions on a priority basis
WO2016085959A1 (en) * 2014-11-24 2016-06-02 Parker-Hannifin Corporation System architectures for steering and work functions in a wheel loader
CN105201944B (zh) * 2015-09-25 2017-10-03 广西柳工机械股份有限公司 流量放大阀及转向液压系统
JP2017190799A (ja) * 2016-04-11 2017-10-19 キャタピラー エス エー アール エル 作業機械の流体圧回路

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