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EP2801724A4 - Système de prévention du dépassement de pression pour pompe hydraulique électronique incluse dans un système hydraulique - Google Patents

Système de prévention du dépassement de pression pour pompe hydraulique électronique incluse dans un système hydraulique

Info

Publication number
EP2801724A4
EP2801724A4 EP12862265.1A EP12862265A EP2801724A4 EP 2801724 A4 EP2801724 A4 EP 2801724A4 EP 12862265 A EP12862265 A EP 12862265A EP 2801724 A4 EP2801724 A4 EP 2801724A4
Authority
EP
European Patent Office
Prior art keywords
prevent pressure
pressure prevention
hydraulic
pump included
hydraulic pump
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.)
Granted
Application number
EP12862265.1A
Other languages
German (de)
English (en)
Other versions
EP2801724A1 (fr
EP2801724B1 (fr
Inventor
Wooyong Jung
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.)
HD Hyundai Infracore Co Ltd
Original Assignee
Doosan Infracore 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 Doosan Infracore Co Ltd filed Critical Doosan Infracore Co Ltd
Publication of EP2801724A1 publication Critical patent/EP2801724A1/fr
Publication of EP2801724A4 publication Critical patent/EP2801724A4/fr
Application granted granted Critical
Publication of EP2801724B1 publication Critical patent/EP2801724B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/03—Stopping, starting, unloading or idling control by means of valves
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • 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
    • 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
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/042—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in"
    • F15B11/0423—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the feed line, i.e. "meter in" by controlling pump output or bypass, other than to maintain constant speed
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • 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
    • F15B2211/6333—Electronic controllers using input signals representing a state of the pressure source, e.g. swash plate angle
    • 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
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6652—Control of the pressure source, e.g. control of the swash plate angle
    • 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
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6654—Flow rate control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Reciprocating Pumps (AREA)
EP12862265.1A 2011-12-27 2012-12-24 Système de prévention du dépassement de pression pour pompe hydraulique électronique incluse dans un système hydraulique Active EP2801724B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20110142928 2011-12-27
KR1020120147434A KR101958489B1 (ko) 2011-12-27 2012-12-17 유압시스템의 전자유압펌프의 압력 오버슈팅 방지 시스템
PCT/KR2012/011352 WO2013100509A1 (fr) 2011-12-27 2012-12-24 Système de prévention du dépassement de pression pour pompe hydraulique électronique incluse dans un système hydraulique

Publications (3)

Publication Number Publication Date
EP2801724A1 EP2801724A1 (fr) 2014-11-12
EP2801724A4 true EP2801724A4 (fr) 2015-12-02
EP2801724B1 EP2801724B1 (fr) 2017-03-01

Family

ID=48989491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12862265.1A Active EP2801724B1 (fr) 2011-12-27 2012-12-24 Système de prévention du dépassement de pression pour pompe hydraulique électronique incluse dans un système hydraulique

Country Status (7)

Country Link
US (1) US20150017029A1 (fr)
EP (1) EP2801724B1 (fr)
JP (1) JP5890040B2 (fr)
KR (1) KR101958489B1 (fr)
CN (1) CN104011391B (fr)
BR (1) BR112014016103B1 (fr)
WO (1) WO2013100509A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11644027B2 (en) * 2014-03-20 2023-05-09 Danfoss Power Solutions Inc. Electronic torque and pressure control for load sensing pumps
US10008880B2 (en) 2014-06-06 2018-06-26 Bj Services, Llc Modular hybrid low emissions power for hydrocarbon extraction
CN114909280B (zh) * 2022-04-07 2024-05-17 潍柴动力股份有限公司 基于多源信息反馈优化的液压泵控制方法及系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886422A (en) * 1987-07-09 1989-12-12 Tokyo Keiki Company Ltd. Control apparatus of variable delivery pump
WO2011078543A2 (fr) * 2009-12-23 2011-06-30 두산인프라코어 주식회사 Appareil et procédé de régulation d'une pompe hydraulique d'un engin de construction

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01110884A (ja) * 1987-07-09 1989-04-27 Tokyo Keiki Co Ltd 可変吐出量ポンプの流量圧力制御装置
JPH0599121A (ja) * 1991-10-09 1993-04-20 Tokimec Inc 可変容量形油圧ポンプによる流量・圧力制御装置
MX9300781A (es) * 1992-02-13 1993-09-30 Johnson Service Co Posicionador piloto electronico.
US5758499A (en) * 1995-03-03 1998-06-02 Hitachi Construction Machinery Co., Ltd. Hydraulic control system
JP3926892B2 (ja) * 1997-07-29 2007-06-06 日立建機株式会社 油圧ポンプのカットオフ装置
JP2002195164A (ja) * 2000-12-27 2002-07-10 Tokimec Inc 吐出流量制御装置
JP4096900B2 (ja) * 2004-03-17 2008-06-04 コベルコ建機株式会社 作業機械の油圧制御回路
JP4434159B2 (ja) * 2006-03-02 2010-03-17 コベルコ建機株式会社 作業機械の油圧制御装置
JP2008222353A (ja) * 2007-03-12 2008-09-25 Mitsubishi Electric Corp エレベータドアの安全装置
KR100974275B1 (ko) * 2007-12-17 2010-08-06 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 소 선회식 굴삭기의 붐 충격 완화장치 및 그 제어방법
KR101576674B1 (ko) * 2008-12-22 2015-12-11 두산인프라코어 주식회사 중장비에 이용되는 유압 펌프의 유량 제어 장치

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886422A (en) * 1987-07-09 1989-12-12 Tokyo Keiki Company Ltd. Control apparatus of variable delivery pump
WO2011078543A2 (fr) * 2009-12-23 2011-06-30 두산인프라코어 주식회사 Appareil et procédé de régulation d'une pompe hydraulique d'un engin de construction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013100509A1 *

Also Published As

Publication number Publication date
WO2013100509A1 (fr) 2013-07-04
CN104011391A (zh) 2014-08-27
EP2801724A1 (fr) 2014-11-12
BR112014016103A8 (pt) 2017-07-04
KR101958489B1 (ko) 2019-03-14
KR20130075659A (ko) 2013-07-05
BR112014016103B1 (pt) 2021-04-27
JP2015507717A (ja) 2015-03-12
EP2801724B1 (fr) 2017-03-01
JP5890040B2 (ja) 2016-03-22
US20150017029A1 (en) 2015-01-15
CN104011391B (zh) 2016-02-03
BR112014016103A2 (pt) 2017-06-13

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