JP2018169004A5 - - Google Patents

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Publication number
JP2018169004A5
JP2018169004A5 JP2017068216A JP2017068216A JP2018169004A5 JP 2018169004 A5 JP2018169004 A5 JP 2018169004A5 JP 2017068216 A JP2017068216 A JP 2017068216A JP 2017068216 A JP2017068216 A JP 2017068216A JP 2018169004 A5 JP2018169004 A5 JP 2018169004A5
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JP
Japan
Prior art keywords
hydraulic
tank
pilot
pump
port
Prior art date
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Application number
JP2017068216A
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English (en)
Japanese (ja)
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JP6663383B2 (ja
JP2018169004A (ja
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Priority to JP2017068216A priority Critical patent/JP6663383B2/ja
Priority claimed from JP2017068216A external-priority patent/JP6663383B2/ja
Priority to PCT/JP2017/041316 priority patent/WO2018179574A1/ja
Publication of JP2018169004A publication Critical patent/JP2018169004A/ja
Publication of JP2018169004A5 publication Critical patent/JP2018169004A5/ja
Application granted granted Critical
Publication of JP6663383B2 publication Critical patent/JP6663383B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2017068216A 2017-03-30 2017-03-30 作業機械用油圧制御装置 Active JP6663383B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017068216A JP6663383B2 (ja) 2017-03-30 2017-03-30 作業機械用油圧制御装置
PCT/JP2017/041316 WO2018179574A1 (ja) 2017-03-30 2017-11-16 作業機械用油圧制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017068216A JP6663383B2 (ja) 2017-03-30 2017-03-30 作業機械用油圧制御装置

Publications (3)

Publication Number Publication Date
JP2018169004A JP2018169004A (ja) 2018-11-01
JP2018169004A5 true JP2018169004A5 (enExample) 2019-01-31
JP6663383B2 JP6663383B2 (ja) 2020-03-11

Family

ID=63674761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017068216A Active JP6663383B2 (ja) 2017-03-30 2017-03-30 作業機械用油圧制御装置

Country Status (2)

Country Link
JP (1) JP6663383B2 (enExample)
WO (1) WO2018179574A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7026657B2 (ja) * 2019-03-26 2022-02-28 日立建機株式会社 建設機械の油圧回路
CN110513361A (zh) * 2019-09-02 2019-11-29 柳州柳工挖掘机有限公司 工程机械液压系统及液压油升温控制方法
JP2021156340A (ja) * 2020-03-26 2021-10-07 日立建機株式会社 作業車両
CN118110234B (zh) * 2024-01-25 2025-08-22 徐州徐工挖掘机械有限公司 一种液压油低温自动加热的挖掘机液压系统及挖掘机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62246606A (ja) * 1986-04-17 1987-10-27 Yutani Heavy Ind Ltd 作業機の油圧パイロツトパルプ装置
JP2000220768A (ja) * 1999-02-01 2000-08-08 Zexel Corp 電磁弁ユニットの昇温回路

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