JP2016114129A5 - - Google Patents

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Publication number
JP2016114129A5
JP2016114129A5 JP2014252171A JP2014252171A JP2016114129A5 JP 2016114129 A5 JP2016114129 A5 JP 2016114129A5 JP 2014252171 A JP2014252171 A JP 2014252171A JP 2014252171 A JP2014252171 A JP 2014252171A JP 2016114129 A5 JP2016114129 A5 JP 2016114129A5
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JP
Japan
Prior art keywords
valve
pilot
turning
control valve
arm
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
JP2014252171A
Other languages
English (en)
Japanese (ja)
Other versions
JP6484021B2 (ja
JP2016114129A (ja
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Publication date
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Priority to JP2014252171A priority Critical patent/JP6484021B2/ja
Priority claimed from JP2014252171A external-priority patent/JP6484021B2/ja
Publication of JP2016114129A publication Critical patent/JP2016114129A/ja
Publication of JP2016114129A5 publication Critical patent/JP2016114129A5/ja
Application granted granted Critical
Publication of JP6484021B2 publication Critical patent/JP6484021B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2014252171A 2014-12-12 2014-12-12 作業機械 Active JP6484021B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2014252171A JP6484021B2 (ja) 2014-12-12 2014-12-12 作業機械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014252171A JP6484021B2 (ja) 2014-12-12 2014-12-12 作業機械

Publications (3)

Publication Number Publication Date
JP2016114129A JP2016114129A (ja) 2016-06-23
JP2016114129A5 true JP2016114129A5 (zh) 2017-11-16
JP6484021B2 JP6484021B2 (ja) 2019-03-13

Family

ID=56141348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014252171A Active JP6484021B2 (ja) 2014-12-12 2014-12-12 作業機械

Country Status (1)

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JP (1) JP6484021B2 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10233951B2 (en) * 2016-10-05 2019-03-19 Caterpillar Inc. Method to detect uncommanded spool valve positioning and stop fluid flow to hydraulic actuators
JP6731373B2 (ja) * 2017-03-30 2020-07-29 日立建機株式会社 建設機械
JP6726127B2 (ja) * 2017-03-30 2020-07-22 川崎重工業株式会社 油圧システム
JP2018168977A (ja) * 2017-03-30 2018-11-01 川崎重工業株式会社 油圧システム
JP7042161B2 (ja) * 2018-05-30 2022-03-25 日立建機株式会社 作業機械
JP7123821B2 (ja) 2019-01-31 2022-08-23 日立建機株式会社 作業機械
JP7385477B2 (ja) 2020-01-09 2023-11-22 日立建機株式会社 作業機械

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60179502A (ja) * 1984-02-25 1985-09-13 Hitachi Constr Mach Co Ltd 油圧アクチユエ−タの操作回路
JPS60189602U (ja) * 1984-05-25 1985-12-16 カヤバ工業株式会社 油圧制御回路
JPS63186005A (ja) * 1987-01-27 1988-08-01 Hitachi Constr Mach Co Ltd 油圧回路
JPH0719207A (ja) * 1993-07-02 1995-01-20 Hitachi Constr Mach Co Ltd 油圧機械の駆動制御装置
JP3375092B2 (ja) * 1993-12-17 2003-02-10 日立建機株式会社 建設機械の無線操縦装置
JP5631762B2 (ja) * 2011-01-25 2014-11-26 日立建機株式会社 作業機のフロント仕様判別装置

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