DK3374639T3 - Styresystem til hydraulikpumpe - Google Patents

Styresystem til hydraulikpumpe Download PDF

Info

Publication number
DK3374639T3
DK3374639T3 DK16865219.6T DK16865219T DK3374639T3 DK 3374639 T3 DK3374639 T3 DK 3374639T3 DK 16865219 T DK16865219 T DK 16865219T DK 3374639 T3 DK3374639 T3 DK 3374639T3
Authority
DK
Denmark
Prior art keywords
control system
hydraulic pump
pump control
hydraulic
pump
Prior art date
Application number
DK16865219.6T
Other languages
English (en)
Inventor
Anil Balasaheb Kharpas
Robert Leslie Isaacs
Avinash Dadaso Patil
Amit Ranjit Panchal
Yogiraj Firake
Anil Ghegade
Original Assignee
Eaton Intelligent Power 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 Eaton Intelligent Power Ltd filed Critical Eaton Intelligent Power Ltd
Application granted granted Critical
Publication of DK3374639T3 publication Critical patent/DK3374639T3/da

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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/26—Control
    • F04B1/30—Control of machines or pumps with rotary cylinder blocks
    • F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
    • F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
    • 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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • F04B1/2085—Bearings for swash plates or driving axles
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2078—Swash plates
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
DK16865219.6T 2015-11-15 2016-11-14 Styresystem til hydraulikpumpe DK3374639T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN3721DE2015 2015-11-15
IN3720DE2015 2015-11-15
PCT/US2016/061873 WO2017083839A1 (en) 2015-11-15 2016-11-14 Hydraulic pump control system

Publications (1)

Publication Number Publication Date
DK3374639T3 true DK3374639T3 (da) 2021-03-08

Family

ID=58695506

Family Applications (1)

Application Number Title Priority Date Filing Date
DK16865219.6T DK3374639T3 (da) 2015-11-15 2016-11-14 Styresystem til hydraulikpumpe

Country Status (10)

Country Link
US (1) US10954927B2 (da)
EP (1) EP3374639B1 (da)
JP (1) JP6921071B2 (da)
KR (1) KR20180071372A (da)
CN (1) CN108431417B (da)
BR (1) BR112018009773B8 (da)
CA (1) CA3005333A1 (da)
DK (1) DK3374639T3 (da)
MX (1) MX2018006025A (da)
WO (1) WO2017083839A1 (da)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH714321A1 (de) * 2017-11-11 2019-05-15 Liebherr Machines Bulle Sa Verstellvorrichtung für eine Axialkolbenmaschine.
US10961998B2 (en) 2018-03-08 2021-03-30 Hartmann Controls, Inc. Electro-hydraulic swashplate control arrangement for an axial piston pump
USD964426S1 (en) * 2018-10-22 2022-09-20 Danfoss Power Solutions (Zhejiang) Co. Ltd. Hydraulic pump
JP2020084786A (ja) * 2018-11-16 2020-06-04 Ｋｙｂ株式会社 液圧回転装置
USD932519S1 (en) * 2018-12-20 2021-10-05 Leuco S.P.A. Hydraulic pump
FR3093138B1 (fr) 2019-02-25 2022-07-15 Univ Versailles Saint Quentin En Yvelines Actionneur hydraulique à compensation de surpression
DE102020206599A1 (de) * 2019-06-26 2020-12-31 Robert Bosch Gesellschaft mit beschränkter Haftung Stellzylinder für eine hydrostatische Axialkolbenmaschine und hydrostatische Axialkolbenmaschine mit einem Stellzylinder
CN112343806B (zh) * 2019-08-08 2023-08-29 丹佛斯动力***公司 用于开放回路可变排量泵的电动排量控制
US20210040944A1 (en) * 2019-08-08 2021-02-11 Danfoss Power Solutions Inc. Electric displacement control for an open circuit variable displacement pump
CN111005851B (zh) * 2019-12-25 2021-07-20 潍柴动力股份有限公司 液压柱塞泵排量反馈变量机构及液压柱塞泵
CN111005899B (zh) * 2019-12-30 2022-06-07 徐州重型机械有限公司 油泵极限排量可控的负载敏感液压***、控制方法及工程机械
WO2022177841A1 (en) * 2021-02-16 2022-08-25 Parker-Hannifin Corporation Displacement control for hydraulic pump
USD999253S1 (en) * 2021-04-16 2023-09-19 Annovi Reverberi S.P.A. Pump for liquids
USD1013734S1 (en) 2021-06-14 2024-02-06 Annovi Reverberi S.P.A. Pump for liquids
US20230130997A1 (en) * 2021-10-22 2023-04-27 Hamilton Sundstrand Corporation Variable displacement pumps
CN114810533A (zh) * 2022-03-30 2022-07-29 杭州力龙液压有限公司 控制阀组、工装、液压泵、控制阀组装配方法和工程机械

Family Cites Families (17)

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JPS53140103A (en) 1977-05-13 1978-12-06 Ricoh Kk Treating solution for lithographic printing
US4375942A (en) * 1981-04-21 1983-03-08 Dynes/Rivett Inc. Tilting cam, rotating barrel pump
JPH06288339A (ja) 1993-04-08 1994-10-11 Toyota Autom Loom Works Ltd 可変容量ピストンポンプ
DE19653165C2 (de) 1996-12-19 2002-04-25 Brueninghaus Hydromatik Gmbh Verstelleinrichtung zur Verstellung des Fördervolumens einer Axialkolbenpumpe
DE19949169C2 (de) 1999-10-12 2001-10-11 Brueninghaus Hydromatik Gmbh Verstellvorrichtung
JP2003293944A (ja) * 2002-04-02 2003-10-15 Nachi Fujikoshi Corp 可変容量形ピストンポンプの制御装置
DE10341331B3 (de) * 2003-09-08 2005-05-25 Brueninghaus Hydromatik Gmbh Leistungsregelvorrichtung
DE102006061145A1 (de) 2006-12-22 2008-06-26 Robert Bosch Gmbh Hydrostatische Axialkolbenmaschine
DE102008038435A1 (de) * 2007-08-20 2009-02-26 Robert Bosch Gmbh Hydraulisches System mit einer verstellbaren hydrostatischen Maschine
DE102011006102A1 (de) * 2011-03-25 2012-09-27 Zf Friedrichshafen Ag Stellvorrichtung eines Hydrostatmoduls
WO2012161514A2 (ko) * 2011-05-23 2012-11-29 학교법인 두원학원 가변 용량형 압축기용 제어밸브 및 그 제조방법
CN102425541B (zh) * 2011-12-20 2013-12-04 无锡威孚精密机械制造有限责任公司 恒功率阀
DE102012214372A1 (de) 2012-03-01 2013-09-05 Robert Bosch Gmbh Hydraulische Axialkolbenmaschine in Schrägachsenbauweise
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DE102012022201A1 (de) 2012-11-13 2014-05-15 Robert Bosch Gmbh Verstellvorrichtung für eine Axialkolbenmaschine und Hydromaschine mit einer derartigen Verstellvorrichtung
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Also Published As

Publication number Publication date
EP3374639B1 (en) 2020-12-30
US10954927B2 (en) 2021-03-23
BR112018009773A8 (pt) 2019-02-26
BR112018009773A2 (pt) 2018-11-06
KR20180071372A (ko) 2018-06-27
MX2018006025A (es) 2018-08-01
CN108431417B (zh) 2019-12-06
WO2017083839A1 (en) 2017-05-18
CA3005333A1 (en) 2017-05-18
CN108431417A (zh) 2018-08-21
EP3374639A4 (en) 2019-05-01
JP6921071B2 (ja) 2021-08-18
EP3374639A1 (en) 2018-09-19
BR112018009773B8 (pt) 2022-11-22
BR112018009773B1 (pt) 2022-07-26
US20200256326A1 (en) 2020-08-13
JP2018533692A (ja) 2018-11-15

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