EP4707592A1 - Système et procédé de distribution de liquide hydraulique - Google Patents

Système et procédé de distribution de liquide hydraulique

Info

Publication number
EP4707592A1
EP4707592A1 EP24199489.6A EP24199489A EP4707592A1 EP 4707592 A1 EP4707592 A1 EP 4707592A1 EP 24199489 A EP24199489 A EP 24199489A EP 4707592 A1 EP4707592 A1 EP 4707592A1
Authority
EP
European Patent Office
Prior art keywords
pressure
hydraulic liquid
valve
controller
electric 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
EP24199489.6A
Other languages
German (de)
English (en)
Inventor
Jörgen EKSTRÖM
John Woollett
Tom Foley
Leif Nyfelt
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.)
Cejn AB
Original Assignee
Cejn AB
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 Cejn AB filed Critical Cejn AB
Priority to EP24199489.6A priority Critical patent/EP4707592A1/fr
Priority to PCT/EP2025/075538 priority patent/WO2026057525A1/fr
Publication of EP4707592A1 publication Critical patent/EP4707592A1/fr
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
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the cylinders
    • 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
    • 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
    • F04B49/22—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 means of valves
    • F04B49/24—Bypassing
    • F04B49/243—Bypassing by keeping open the inlet valve
    • 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
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0076—Piston machines or pumps characterised by having positively-driven valving the members being actuated by electro-magnetic means
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/042—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being cams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
EP24199489.6A 2024-09-10 2024-09-10 Système et procédé de distribution de liquide hydraulique Pending EP4707592A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP24199489.6A EP4707592A1 (fr) 2024-09-10 2024-09-10 Système et procédé de distribution de liquide hydraulique
PCT/EP2025/075538 WO2026057525A1 (fr) 2024-09-10 2025-09-09 Système et procédé de distribution de liquide hydraulique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP24199489.6A EP4707592A1 (fr) 2024-09-10 2024-09-10 Système et procédé de distribution de liquide hydraulique

Publications (1)

Publication Number Publication Date
EP4707592A1 true EP4707592A1 (fr) 2026-03-11

Family

ID=92746225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24199489.6A Pending EP4707592A1 (fr) 2024-09-10 2024-09-10 Système et procédé de distribution de liquide hydraulique

Country Status (2)

Country Link
EP (1) EP4707592A1 (fr)
WO (1) WO2026057525A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7299790B2 (en) * 2002-06-20 2007-11-27 Hitachi, Ltd. Control device of high-pressure fuel pump of internal combustion engine
US20190226959A1 (en) * 2018-01-19 2019-07-25 Artemis Intelligent Power Limited Displacement of an object with hydraulic actuators
US20240261953A1 (en) * 2018-09-07 2024-08-08 Milwaukee Electric Tool Corporation Hydraulic pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7299790B2 (en) * 2002-06-20 2007-11-27 Hitachi, Ltd. Control device of high-pressure fuel pump of internal combustion engine
US20190226959A1 (en) * 2018-01-19 2019-07-25 Artemis Intelligent Power Limited Displacement of an object with hydraulic actuators
US20240261953A1 (en) * 2018-09-07 2024-08-08 Milwaukee Electric Tool Corporation Hydraulic pump

Also Published As

Publication number Publication date
WO2026057525A1 (fr) 2026-03-19

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Legal Events

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