JP2024154588A - 油圧システム、及び、油圧システムの制御方法 - Google Patents

油圧システム、及び、油圧システムの制御方法 Download PDF

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Publication number
JP2024154588A
JP2024154588A JP2023068491A JP2023068491A JP2024154588A JP 2024154588 A JP2024154588 A JP 2024154588A JP 2023068491 A JP2023068491 A JP 2023068491A JP 2023068491 A JP2023068491 A JP 2023068491A JP 2024154588 A JP2024154588 A JP 2024154588A
Authority
JP
Japan
Prior art keywords
flow rate
hydraulic
variable displacement
electric motor
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.)
Pending
Application number
JP2023068491A
Other languages
English (en)
Japanese (ja)
Other versions
JP2024154588A5 (enExample
Inventor
和臣 長谷川
Kazuomi Hasegawa
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.)
Sumitomo Precision Products Co Ltd
Original Assignee
Sumitomo Precision Products 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 Sumitomo Precision Products Co Ltd filed Critical Sumitomo Precision Products Co Ltd
Priority to JP2023068491A priority Critical patent/JP2024154588A/ja
Priority to PCT/JP2024/015411 priority patent/WO2024219461A1/ja
Priority to EP24792733.8A priority patent/EP4685351A4/en
Publication of JP2024154588A publication Critical patent/JP2024154588A/ja
Publication of JP2024154588A5 publication Critical patent/JP2024154588A5/ja
Pending legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C13/00—Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers
    • B64C13/24—Transmitting means
    • B64C13/38—Transmitting means with power amplification
    • B64C13/40—Transmitting means with power amplification using fluid 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
    • 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
    • F04B1/28—Control of machines or pumps with stationary cylinders
    • F04B1/29—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B1/295—Control of machines or pumps with stationary cylinders 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
    • F04B1/26—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
    • 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
    • F04B49/12—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 by varying the length of stroke of the working members
    • 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
    • F04B49/20—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 by changing the driving speed
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0209—Rotational speed
    • 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
    • F04B2205/09—Flow through the pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Automation & Control Theory (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
JP2023068491A 2023-04-19 2023-04-19 油圧システム、及び、油圧システムの制御方法 Pending JP2024154588A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023068491A JP2024154588A (ja) 2023-04-19 2023-04-19 油圧システム、及び、油圧システムの制御方法
PCT/JP2024/015411 WO2024219461A1 (ja) 2023-04-19 2024-04-18 油圧システム、及び、油圧システムの制御方法
EP24792733.8A EP4685351A4 (en) 2023-04-19 2024-04-18 HYDRAULIC SYSTEM AND METHOD FOR CONTROLLING HYDRAULIC SYSTEMS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023068491A JP2024154588A (ja) 2023-04-19 2023-04-19 油圧システム、及び、油圧システムの制御方法

Publications (2)

Publication Number Publication Date
JP2024154588A true JP2024154588A (ja) 2024-10-31
JP2024154588A5 JP2024154588A5 (enExample) 2026-04-27

Family

ID=93152560

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023068491A Pending JP2024154588A (ja) 2023-04-19 2023-04-19 油圧システム、及び、油圧システムの制御方法

Country Status (3)

Country Link
EP (1) EP4685351A4 (enExample)
JP (1) JP2024154588A (enExample)
WO (1) WO2024219461A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026094903A1 (ja) * 2024-10-29 2026-05-07 住友精密工業株式会社 閉鎖された液体システム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5143619B2 (ja) 2008-04-21 2013-02-13 油研工業株式会社 可変容量型ポンプ
CN104214082B (zh) * 2014-08-20 2016-06-01 北京航空航天大学 一种基于dsp的机载智能泵源系统的控制器
US11306713B2 (en) * 2017-11-14 2022-04-19 Eaton Intelligent Power Limited Hydraulic pump with speed and pressure compensation
JP2019183944A (ja) * 2018-04-09 2019-10-24 Nachi Fujikoshi Corp インバータ駆動液圧装置
CN114687975A (zh) * 2020-12-31 2022-07-01 钟彪 一种变量紧凑型电液一体机
CN115111210A (zh) * 2021-03-19 2022-09-27 博世力士乐(北京)液压有限公司 电机泵、液压系统、机械设备

Also Published As

Publication number Publication date
EP4685351A4 (en) 2026-04-29
WO2024219461A1 (ja) 2024-10-24
EP4685351A1 (en) 2026-01-28

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