WO2008149541A1 - 流体圧ユニット - Google Patents

流体圧ユニット Download PDF

Info

Publication number
WO2008149541A1
WO2008149541A1 PCT/JP2008/001392 JP2008001392W WO2008149541A1 WO 2008149541 A1 WO2008149541 A1 WO 2008149541A1 JP 2008001392 W JP2008001392 W JP 2008001392W WO 2008149541 A1 WO2008149541 A1 WO 2008149541A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
fluid pressure
hydraulic pump
pressure unit
pressure sensor
Prior art date
Application number
PCT/JP2008/001392
Other languages
English (en)
French (fr)
Inventor
Yoshiyuki Ochi
Original Assignee
Daikin Industries, 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 Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Priority to US12/377,099 priority Critical patent/US8302394B2/en
Priority to ES08763989T priority patent/ES2401474T3/es
Priority to EP08763989A priority patent/EP2055965B1/en
Priority to CN2008800005506A priority patent/CN101542137B/zh
Publication of WO2008149541A1 publication Critical patent/WO2008149541A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/002—Hydraulic systems to change the pump delivery
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/08—Regulating by delivery pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/10—Other safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/12—Parameters of driving or driven means
    • F04B2201/1201—Rotational speed of the axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/50—Presence of foreign matter in the fluid
    • F04B2205/503—Presence of foreign matter in the fluid of gas in a liquid flow, e.g. gas bubbles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Computer Hardware Design (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Gripping On Spindles (AREA)

Abstract

　　油圧ポンプ（11）の吐出圧力を検出する圧力センサ（17）が設けられている。コントローラ（21）の異常検知部（23）は、圧力センサ（17）の吐出圧力が、予め油圧ポンプ（11）の運転回転数に応じて定められた判定圧力以下になると、油圧ポンプ（11）のドライ運転を検知する。
PCT/JP2008/001392 2007-06-07 2008-06-02 流体圧ユニット WO2008149541A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/377,099 US8302394B2 (en) 2007-06-07 2008-06-02 Fluid pressure unit
ES08763989T ES2401474T3 (es) 2007-06-07 2008-06-02 Unidad de fluido a presión
EP08763989A EP2055965B1 (en) 2007-06-07 2008-06-02 Fluid pressure unit
CN2008800005506A CN101542137B (zh) 2007-06-07 2008-06-02 液压气动单元

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-151952 2007-06-07
JP2007151952A JP4245065B2 (ja) 2007-06-07 2007-06-07 流体圧ユニット

Publications (1)

Publication Number Publication Date
WO2008149541A1 true WO2008149541A1 (ja) 2008-12-11

Family

ID=40093373

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001392 WO2008149541A1 (ja) 2007-06-07 2008-06-02 流体圧ユニット

Country Status (7)

Country Link
US (1) US8302394B2 (ja)
EP (1) EP2055965B1 (ja)
JP (1) JP4245065B2 (ja)
KR (1) KR101076589B1 (ja)
CN (1) CN101542137B (ja)
ES (1) ES2401474T3 (ja)
WO (1) WO2008149541A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102562563A (zh) * 2012-01-11 2012-07-11 福州大学 一种节能无级调压型高压泵性能测试台的液压系统
US20130111882A1 (en) * 2010-06-21 2013-05-09 Lars Eriksson Method pertaining to air removal from a dosing system at an scr system and a scr system
US20130111884A1 (en) * 2010-06-21 2013-05-09 Scania Cv Ab Method pertaining to air removal from a hc dosing system and a hc dosing system
US9523299B2 (en) 2010-06-21 2016-12-20 Scania Cv Ab Method and device pertaining to cooling of dosing units of SCR systems

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5337662B2 (ja) * 2009-10-14 2013-11-06 川崎重工業株式会社 油圧システムにおける油圧ポンプの運転装置及び方法
FR2971563B1 (fr) * 2011-02-15 2013-03-22 Snecma Procede et dispositif pour determiner si l'une ou l'autre de deux pompes en serie est hors service ou non
JP6325442B2 (ja) * 2011-08-19 2018-05-16 インテグリス・インコーポレーテッド 流体中の空気を検出するシステムおよび方法
JP5141810B1 (ja) 2011-09-27 2013-02-13 ダイキン工業株式会社 液圧ユニット
CN102562564B (zh) * 2012-01-11 2014-10-01 福州大学 采用pxi总线技术的高压泵性能测试台的硬件系统
KR101451110B1 (ko) * 2013-01-30 2014-10-15 삼보건설기계 주식회사 건설기계용 유압장비 진단유닛
DE102014008716B4 (de) 2014-06-18 2022-01-13 Wilo Se Verfahren zur Erkennung eines Trockenlaufs
JP6342266B2 (ja) * 2014-09-02 2018-06-13 株式会社神戸製鋼所 液圧ポンプの故障診断装置
CN104785843A (zh) * 2015-05-05 2015-07-22 江西洪都航空工业集团有限责任公司 控制铣床换挡系统的独立液压站
JP2017025982A (ja) * 2015-07-21 2017-02-02 オークマ株式会社 サーボ駆動油圧ユニット
EP3344411B1 (en) * 2015-09-02 2023-06-07 Wielandts UPMT A chuck for a high precision machine tool
US10041489B2 (en) * 2015-10-22 2018-08-07 United Technologies Corporation Auxiliary pump and gas turbine engine oil circuit monitoring system
JP2017189820A (ja) * 2016-04-11 2017-10-19 Dmg森精機株式会社 油圧チャック装置
US11933317B2 (en) 2017-03-22 2024-03-19 Geyser Technologies, Llc Low-flow fluid delivery system and low-flow device therefor
US10656669B2 (en) 2017-04-28 2020-05-19 Graco Minnesota Inc. Trigger guard and pendant for a portable hydraulic power unit
CN108591139A (zh) * 2018-03-13 2018-09-28 西安理工大学 一种液压动力卡盘夹紧力控制系统及夹紧力控制方法
CN109655197B (zh) * 2019-01-24 2020-08-04 合肥工业大学 一种基于旋转机构和直线机构的气体冲击射流测压装置
JP7376781B2 (ja) * 2019-11-25 2023-11-09 ダイキン工業株式会社 油圧ユニット

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841303A (ja) * 1971-09-29 1973-06-16
JPS51109391U (ja) * 1975-02-28 1976-09-03
JPS61204986U (ja) * 1985-06-13 1986-12-24
US5748077A (en) 1994-05-13 1998-05-05 Mcneilus Truck And Manufacturing, Inc. Hydraulic leak detection system
JP2000274378A (ja) * 1999-03-24 2000-10-03 Hitachi Constr Mach Co Ltd 液圧回転機の作動状態診断装置
JP2003172115A (ja) 2001-09-28 2003-06-20 Suzuki Motor Corp 車両に搭載した４サイクルエンジンの制御装置
DE202005007955U1 (de) 2005-05-17 2005-11-10 Power Electronics Deutschland Gmbh Vorrichtung zur Druckregelung mittels FU mit integrierter elektronischer Strömungserkennung und Trockenlaufschutz
JP2006214510A (ja) 2005-02-03 2006-08-17 Daikin Ind Ltd 流体圧ユニット
JP2006299939A (ja) * 2005-04-21 2006-11-02 Ebara Corp 給水装置

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GB895485A (en) 1957-10-05 1962-05-02 G & J Weir Ltd Improvements in or relating to control systems for centrifugal pumps
JPS51109391A (ja) 1975-03-20 1976-09-28 Santo Tekkosho Kk Henshingaidoroorunyoru fuhakunoshorisochi
US4326558A (en) * 1980-11-24 1982-04-27 Deere & Company Steering system including accumulator for supplying emergency reserve of fluid
JPS57159981A (en) 1981-03-30 1982-10-02 Hitachi Constr Mach Co Ltd Abnormal pressure indicator in suction side circuit of hydraulic pump
JPH079996B2 (ja) 1985-03-08 1995-02-01 日本電信電話株式会社 半導体受光装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841303A (ja) * 1971-09-29 1973-06-16
JPS51109391U (ja) * 1975-02-28 1976-09-03
JPS61204986U (ja) * 1985-06-13 1986-12-24
US5748077A (en) 1994-05-13 1998-05-05 Mcneilus Truck And Manufacturing, Inc. Hydraulic leak detection system
JP2000274378A (ja) * 1999-03-24 2000-10-03 Hitachi Constr Mach Co Ltd 液圧回転機の作動状態診断装置
JP2003172115A (ja) 2001-09-28 2003-06-20 Suzuki Motor Corp 車両に搭載した４サイクルエンジンの制御装置
JP2006214510A (ja) 2005-02-03 2006-08-17 Daikin Ind Ltd 流体圧ユニット
JP2006299939A (ja) * 2005-04-21 2006-11-02 Ebara Corp 給水装置
DE202005007955U1 (de) 2005-05-17 2005-11-10 Power Electronics Deutschland Gmbh Vorrichtung zur Druckregelung mittels FU mit integrierter elektronischer Strömungserkennung und Trockenlaufschutz

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Title
See also references of EP2055965A4

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130111882A1 (en) * 2010-06-21 2013-05-09 Lars Eriksson Method pertaining to air removal from a dosing system at an scr system and a scr system
US20130111884A1 (en) * 2010-06-21 2013-05-09 Scania Cv Ab Method pertaining to air removal from a hc dosing system and a hc dosing system
US20130125532A1 (en) * 2010-06-21 2013-05-23 Lars Eriksson Method pertaining to air removal from a hc dosing system and a hc dosing system
US20130126000A1 (en) * 2010-06-21 2013-05-23 Lars Eriksson Method pertaining to air removal from a liquid supply system and a liquid supply system
US9200557B2 (en) * 2010-06-21 2015-12-01 Scania Cv Ab Method pertaining to air removal from a dosing system at an SCR system and a SCR system
US9523299B2 (en) 2010-06-21 2016-12-20 Scania Cv Ab Method and device pertaining to cooling of dosing units of SCR systems
US9624807B2 (en) * 2010-06-21 2017-04-18 Scania Cv Ab Method pertaining to air removal from a liquid supply system and a liquid supply system
CN102562563A (zh) * 2012-01-11 2012-07-11 福州大学 一种节能无级调压型高压泵性能测试台的液压系统

Also Published As

Publication number Publication date
KR101076589B1 (ko) 2011-10-24
CN101542137B (zh) 2011-12-21
KR20090080031A (ko) 2009-07-23
CN101542137A (zh) 2009-09-23
US8302394B2 (en) 2012-11-06
US20100154398A1 (en) 2010-06-24
EP2055965B1 (en) 2013-02-27
EP2055965A1 (en) 2009-05-06
EP2055965A4 (en) 2010-05-26
JP2008303985A (ja) 2008-12-18
JP4245065B2 (ja) 2009-03-25
ES2401474T3 (es) 2013-04-19

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