JPS57157806A - Cooling system of working fluid - Google Patents

Cooling system of working fluid

Info

Publication number
JPS57157806A
JPS57157806A JP56043620A JP4362081A JPS57157806A JP S57157806 A JPS57157806 A JP S57157806A JP 56043620 A JP56043620 A JP 56043620A JP 4362081 A JP4362081 A JP 4362081A JP S57157806 A JPS57157806 A JP S57157806A
Authority
JP
Japan
Prior art keywords
oil
fan
working fluid
oil hydraulic
hydraulic motor
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.)
Pending
Application number
JP56043620A
Other languages
English (en)
Inventor
Sotaro Tanaka
Takeshi Yamaguchi
Yasuo Sakaki
Takashi Yagyu
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 JP56043620A priority Critical patent/JPS57157806A/ja
Publication of JPS57157806A publication Critical patent/JPS57157806A/ja
Pending 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
    • F15B21/0423—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
    • 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
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6343—Electronic controllers using input signals representing a temperature
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7058—Rotary output members
JP56043620A 1981-03-25 1981-03-25 Cooling system of working fluid Pending JPS57157806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56043620A JPS57157806A (en) 1981-03-25 1981-03-25 Cooling system of working fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56043620A JPS57157806A (en) 1981-03-25 1981-03-25 Cooling system of working fluid

Publications (1)

Publication Number Publication Date
JPS57157806A true JPS57157806A (en) 1982-09-29

Family

ID=12668880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56043620A Pending JPS57157806A (en) 1981-03-25 1981-03-25 Cooling system of working fluid

Country Status (1)

Country Link
JP (1) JPS57157806A (ja)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6382027U (ja) * 1986-11-18 1988-05-30
KR20030050207A (ko) * 2001-12-18 2003-06-25 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 독립 오일쿨러식 중장비 냉각시스템
JP2007155092A (ja) * 2005-12-08 2007-06-21 Hitachi Constr Mach Co Ltd 油圧駆動ファンシステム
CN102011769A (zh) * 2010-12-10 2011-04-13 徐州重型机械有限公司 轮式起重机及其液压油散热系统、散热控制方法
CN102562248A (zh) * 2012-03-08 2012-07-11 中联重科股份有限公司 液压行走机械的冷却系统及其冷却方法、液压挖掘机
CN103277498A (zh) * 2013-04-24 2013-09-04 上海欧弈控制技术有限公司 拖拉机、拖拉机油冷却装置及拖拉机油循环冷却方法
CN104514776A (zh) * 2014-12-26 2015-04-15 无锡博利达换热器有限公司 液压油冷却器
CN105822610A (zh) * 2016-04-27 2016-08-03 安徽合力股份有限公司 一种液压油箱的油温控制系统
JP2016148378A (ja) * 2015-02-12 2016-08-18 コベルコ建機株式会社 建設機械の油圧回路
US20170037883A1 (en) * 2015-08-03 2017-02-09 The Boeing Company Aircraft Hydraulic Thermal Management System
CN106594006A (zh) * 2016-12-30 2017-04-26 浙江海洋大学 一种液压油检测净化系统
CN106640796A (zh) * 2016-10-12 2017-05-10 哈尔滨第机械集团有限公司 一种履带装甲车辆风扇液压传动系统
CN106884779A (zh) * 2017-03-07 2017-06-23 无锡鑫盛换热器科技股份有限公司 带有压力阀的散热器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115590B2 (ja) * 1972-06-12 1976-05-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115590B2 (ja) * 1972-06-12 1976-05-18

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6382027U (ja) * 1986-11-18 1988-05-30
KR20030050207A (ko) * 2001-12-18 2003-06-25 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 독립 오일쿨러식 중장비 냉각시스템
JP2007155092A (ja) * 2005-12-08 2007-06-21 Hitachi Constr Mach Co Ltd 油圧駆動ファンシステム
CN102011769A (zh) * 2010-12-10 2011-04-13 徐州重型机械有限公司 轮式起重机及其液压油散热系统、散热控制方法
WO2013131419A1 (zh) * 2012-03-08 2013-09-12 中联重科股份有限公司 液压行走机械的冷却系统及其冷却方法、液压挖掘机
CN102562248A (zh) * 2012-03-08 2012-07-11 中联重科股份有限公司 液压行走机械的冷却系统及其冷却方法、液压挖掘机
CN103277498A (zh) * 2013-04-24 2013-09-04 上海欧弈控制技术有限公司 拖拉机、拖拉机油冷却装置及拖拉机油循环冷却方法
CN104514776A (zh) * 2014-12-26 2015-04-15 无锡博利达换热器有限公司 液压油冷却器
JP2016148378A (ja) * 2015-02-12 2016-08-18 コベルコ建機株式会社 建設機械の油圧回路
US9920779B2 (en) * 2015-08-03 2018-03-20 The Boeing Company Aircraft hydraulic thermal management system
US20170037883A1 (en) * 2015-08-03 2017-02-09 The Boeing Company Aircraft Hydraulic Thermal Management System
CN106394913A (zh) * 2015-08-03 2017-02-15 波音公司 航空器液压热管理系统
CN106394913B (zh) * 2015-08-03 2021-06-01 波音公司 航空器液压热管理系统
CN105822610A (zh) * 2016-04-27 2016-08-03 安徽合力股份有限公司 一种液压油箱的油温控制系统
CN106640796A (zh) * 2016-10-12 2017-05-10 哈尔滨第机械集团有限公司 一种履带装甲车辆风扇液压传动系统
CN106594006B (zh) * 2016-12-30 2018-01-09 浙江海洋大学 一种液压油检测净化系统
CN106594006A (zh) * 2016-12-30 2017-04-26 浙江海洋大学 一种液压油检测净化系统
CN106884779A (zh) * 2017-03-07 2017-06-23 无锡鑫盛换热器科技股份有限公司 带有压力阀的散热器

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