JPS642810B2 - - Google Patents

Info

Publication number
JPS642810B2
JPS642810B2 JP56119214A JP11921481A JPS642810B2 JP S642810 B2 JPS642810 B2 JP S642810B2 JP 56119214 A JP56119214 A JP 56119214A JP 11921481 A JP11921481 A JP 11921481A JP S642810 B2 JPS642810 B2 JP S642810B2
Authority
JP
Japan
Prior art keywords
pilot
hydraulic
valve
pipe
temperature
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.)
Expired
Application number
JP56119214A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5821006A (ja
Inventor
Kenzo Yanagibashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP56119214A priority Critical patent/JPS5821006A/ja
Publication of JPS5821006A publication Critical patent/JPS5821006A/ja
Publication of JPS642810B2 publication Critical patent/JPS642810B2/ja
Granted legal-status Critical Current

Links

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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/042—Controlling the temperature of the fluid
    • F15B21/0427—Heating
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/62—Cooling or heating means
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/635—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements
    • F15B2211/6355—Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements having valve means

Landscapes

  • Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Operation Control Of Excavators (AREA)
JP56119214A 1981-07-31 1981-07-31 油圧回路 Granted JPS5821006A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56119214A JPS5821006A (ja) 1981-07-31 1981-07-31 油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56119214A JPS5821006A (ja) 1981-07-31 1981-07-31 油圧回路

Publications (2)

Publication Number Publication Date
JPS5821006A JPS5821006A (ja) 1983-02-07
JPS642810B2 true JPS642810B2 (ko) 1989-01-18

Family

ID=14755761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56119214A Granted JPS5821006A (ja) 1981-07-31 1981-07-31 油圧回路

Country Status (1)

Country Link
JP (1) JPS5821006A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3272788B1 (en) 2016-07-22 2020-07-08 Ricoh Company, Ltd. Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object
WO2020213586A1 (ja) 2019-04-16 2020-10-22 コニカミノルタ株式会社 立体造形用樹脂粉末、立体造形物及び立体造形物の作製方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6119110U (ja) * 1984-07-09 1986-02-04 株式会社神戸製鋼所 油圧操作回路
JPS6122903U (ja) * 1984-07-13 1986-02-10 株式会社神戸製鋼所 油圧操作回路
JPS6176874A (ja) * 1984-09-21 1986-04-19 トリニテイ工業株式会社 熱風循環炉
JPS61126183U (ko) * 1985-01-25 1986-08-08
JPS62110006A (ja) * 1985-11-08 1987-05-21 Yutani Juko Kk 油圧パイロット回路のウォーミングアップ回路
JPH02145305U (ko) * 1989-05-11 1990-12-10
JPH02145306U (ko) * 1989-05-11 1990-12-10

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3272788B1 (en) 2016-07-22 2020-07-08 Ricoh Company, Ltd. Resin powder for solid freeform fabrication, device for solid freeform fabrication object, and method of manufacturing solid freeform fabrication object
WO2020213586A1 (ja) 2019-04-16 2020-10-22 コニカミノルタ株式会社 立体造形用樹脂粉末、立体造形物及び立体造形物の作製方法

Also Published As

Publication number Publication date
JPS5821006A (ja) 1983-02-07

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