JPWO2021084784A1 - - Google Patents

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Publication number
JPWO2021084784A1
JPWO2021084784A1 JP2021554057A JP2021554057A JPWO2021084784A1 JP WO2021084784 A1 JPWO2021084784 A1 JP WO2021084784A1 JP 2021554057 A JP2021554057 A JP 2021554057A JP 2021554057 A JP2021554057 A JP 2021554057A JP WO2021084784 A1 JPWO2021084784 A1 JP WO2021084784A1
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JP
Japan
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JP2021554057A
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JP7396365B2 (ja
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
JP2021554057A 2019-10-28 2020-05-13 故障診断システムおよび故障診断方法 Active JP7396365B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019195274 2019-10-28
JP2019195274 2019-10-28
PCT/JP2020/019076 WO2021084784A1 (ja) 2019-10-28 2020-05-13 故障診断システムおよび故障診断方法

Publications (2)

Publication Number Publication Date
JPWO2021084784A1 true JPWO2021084784A1 (ja) 2021-05-06
JP7396365B2 JP7396365B2 (ja) 2023-12-12

Family

ID=75715015

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021554057A Active JP7396365B2 (ja) 2019-10-28 2020-05-13 故障診断システムおよび故障診断方法

Country Status (2)

Country Link
JP (1) JP7396365B2 (ja)
WO (1) WO2021084784A1 (ja)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334070A (en) * 1976-09-09 1978-03-30 Nippon Steel Corp Oilhydraulic system failure diagnosis
JPS5450767A (en) * 1977-09-29 1979-04-20 Ishikawajima Harima Heavy Ind Co Ltd Abnormality detecting process for hydraulic system
JP2000046015A (ja) * 1998-07-28 2000-02-15 Yutani Heavy Ind Ltd 油圧回路の自己診断装置
JP2002323013A (ja) * 2001-04-24 2002-11-08 Komatsu Ltd 作業機械の異常診断装置
JP2012241426A (ja) * 2011-05-19 2012-12-10 Hitachi Constr Mach Co Ltd 建設機械の情報管理装置
JP2016070488A (ja) * 2015-06-25 2016-05-09 キャタピラー エス エー アール エル 油圧回路における制御バルブの故障診断システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155405A (ja) * 1984-08-28 1986-03-19 Hitachi Constr Mach Co Ltd 油圧シリンダの内部洩れ検出装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5334070A (en) * 1976-09-09 1978-03-30 Nippon Steel Corp Oilhydraulic system failure diagnosis
JPS5450767A (en) * 1977-09-29 1979-04-20 Ishikawajima Harima Heavy Ind Co Ltd Abnormality detecting process for hydraulic system
JP2000046015A (ja) * 1998-07-28 2000-02-15 Yutani Heavy Ind Ltd 油圧回路の自己診断装置
JP2002323013A (ja) * 2001-04-24 2002-11-08 Komatsu Ltd 作業機械の異常診断装置
JP2012241426A (ja) * 2011-05-19 2012-12-10 Hitachi Constr Mach Co Ltd 建設機械の情報管理装置
JP2016070488A (ja) * 2015-06-25 2016-05-09 キャタピラー エス エー アール エル 油圧回路における制御バルブの故障診断システム

Also Published As

Publication number Publication date
JP7396365B2 (ja) 2023-12-12
WO2021084784A1 (ja) 2021-05-06

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