JP2020147963A5 - - Google Patents

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Publication number
JP2020147963A5
JP2020147963A5 JP2019045223A JP2019045223A JP2020147963A5 JP 2020147963 A5 JP2020147963 A5 JP 2020147963A5 JP 2019045223 A JP2019045223 A JP 2019045223A JP 2019045223 A JP2019045223 A JP 2019045223A JP 2020147963 A5 JP2020147963 A5 JP 2020147963A5
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JP
Japan
Prior art keywords
switching valve
maximum load
pressure
load pressure
construction machine
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Application number
JP2019045223A
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English (en)
Japanese (ja)
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JP2020147963A (ja
JP6989548B2 (ja
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Priority to JP2019045223A priority Critical patent/JP6989548B2/ja
Priority claimed from JP2019045223A external-priority patent/JP6989548B2/ja
Publication of JP2020147963A publication Critical patent/JP2020147963A/ja
Publication of JP2020147963A5 publication Critical patent/JP2020147963A5/ja
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Publication of JP6989548B2 publication Critical patent/JP6989548B2/ja
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JP2019045223A 2019-03-12 2019-03-12 建設機械 Active JP6989548B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019045223A JP6989548B2 (ja) 2019-03-12 2019-03-12 建設機械

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019045223A JP6989548B2 (ja) 2019-03-12 2019-03-12 建設機械

Publications (3)

Publication Number Publication Date
JP2020147963A JP2020147963A (ja) 2020-09-17
JP2020147963A5 true JP2020147963A5 (enExample) 2020-12-24
JP6989548B2 JP6989548B2 (ja) 2022-01-05

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ID=72431835

Family Applications (1)

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JP2019045223A Active JP6989548B2 (ja) 2019-03-12 2019-03-12 建設機械

Country Status (1)

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JP (1) JP6989548B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118257899B (zh) * 2024-05-29 2024-08-20 中国空气动力研究与发展中心超高速空气动力研究所 热阀电液控制系统及应用方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11256622A (ja) * 1998-03-13 1999-09-21 Komatsu Ltd 建設機械の油圧制御装置およびその油圧制御方法
JPH11269941A (ja) * 1998-03-25 1999-10-05 Komatsu Ltd 建設機械の油圧制御装置およびその油圧制御方法
JP2012162917A (ja) * 2011-02-07 2012-08-30 Hitachi Constr Mach Co Ltd 油圧ショベルの油圧回路
EP2787127B1 (en) * 2011-11-29 2017-01-11 Hitachi Construction Machinery Co., Ltd. Construction machine
KR101657249B1 (ko) * 2012-04-17 2016-09-13 볼보 컨스트럭션 이큅먼트 에이비 건설기계용 유압시스템
JP2015206420A (ja) * 2014-04-21 2015-11-19 日立建機株式会社 建設機械の油圧駆動装置
JP6564753B2 (ja) * 2016-09-28 2019-08-21 株式会社日立建機ティエラ 建設機械の油圧駆動装置
JP6615137B2 (ja) * 2017-03-01 2019-12-04 株式会社日立建機ティエラ 建設機械の油圧駆動装置

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