EP3625457C0 - Dispositif de contrôle de l'approvisionnement d'au moins un consommateur hydraulique avec fluide - Google Patents

Dispositif de contrôle de l'approvisionnement d'au moins un consommateur hydraulique avec fluide

Info

Publication number: EP3625457C0
Authority: EP; European Patent Office
Prior art keywords: supplying; fluid; control device; hydraulic consumer; consumer
Prior art date: 2017-05-15
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.): Active

Application number

EP18722442.3A

Other languages

German (de)

English (en)

Other versions

EP3625457B1 (fr

EP3625457A1 (fr

Inventor

Heinz-Peter Huth

Marc Anton

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.)

Hydac Systems and Services GmbH

Original Assignee

Hydac Systems and Services GmbH

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.)

2017-05-15

Filing date

2018-04-27

Publication date

2023-12-06

2018-04-27 Application filed by Hydac Systems and Services GmbH filed Critical Hydac Systems and Services GmbH

2020-03-25 Publication of EP3625457A1 publication Critical patent/EP3625457A1/fr

2023-12-06 Application granted granted Critical

2023-12-06 Publication of EP3625457C0 publication Critical patent/EP3625457C0/fr

2023-12-06 Publication of EP3625457B1 publication Critical patent/EP3625457B1/fr

Status Active legal-status Critical Current

2038-04-27 Anticipated expiration legal-status Critical

Links

Classifications

- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
- F15B11/165—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for adjusting the pump output or bypass in response to demand
- 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
- 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
- F04B49/106—Responsive to pumped volume
- 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
- F15B2211/20538—Type of pump constant 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
- 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
- F15B2211/20576—Systems with pumps with multiple pumps
- 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
- F15B2211/265—Control of multiple pressure sources
- F15B2211/2654—Control of multiple pressure sources one or more pressure sources having priority
- 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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
- 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
- F15B2211/40—Flow control
- F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the return line

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Fluid-Pressure Circuits (AREA)

EP18722442.3A 2017-05-15 2018-04-27 Dispositif de contrôle de l'approvisionnement d'au moins un consommateur hydraulique avec fluide Active EP3625457B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE102017004634.4A DE102017004634A1 (de)	2017-05-15	2017-05-15	Steuervorrichtung zum Versorgen mindestens eines hydraulischen Verbrauchers
PCT/EP2018/060866 WO2018210550A1 (fr)	2017-05-15	2018-04-27	Dispositif de commande servant à alimenter au moins un consommateur hydraulique en fluide

Publications (3)

Publication Number	Publication Date
EP3625457A1 EP3625457A1 (fr)	2020-03-25
EP3625457C0 true EP3625457C0 (fr)	2023-12-06
EP3625457B1 EP3625457B1 (fr)	2023-12-06

Family

ID=62116405

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18722442.3A Active EP3625457B1 (fr)	2017-05-15	2018-04-27	Dispositif de contrôle de l'approvisionnement d'au moins un consommateur hydraulique avec fluide

Country Status (6)

Country	Link
US (1)	US11168710B2 (fr)
EP (1)	EP3625457B1 (fr)
JP (1)	JP7130662B2 (fr)
CN (1)	CN211448991U (fr)
DE (1)	DE102017004634A1 (fr)
WO (1)	WO2018210550A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3633188B1 (fr) *	2018-10-02	2021-07-14	Siemens Gamesa Renewable Energy A/S	Circuit hydraulique à débit variable pour une éolienne
CN113266615B (zh) *	2021-06-23	2024-12-03	安百拓（南京）建筑矿山设备有限公司	集成控制阀及牙轮钻机钢丝绳张紧液压系统
DE102021130272A1 (de) *	2021-11-19	2023-05-25	Still Gesellschaft Mit Beschränkter Haftung	Hydrauliksystem für ein Flurförderzeug
CN116104824A (zh) *	2023-01-29	2023-05-12	佛山市恒力泰机械有限公司	一种用于挤压设备的供油系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4559965A (en) *	1984-01-09	1985-12-24	J. I. Case Company	Multiple compensating unloading valve circuit
DE4129508C2 (de)	1991-09-05	1994-12-15	Rexroth Mannesmann Gmbh	Ventilanordnung zur Versorgung eines Verbrauchers aus zwei Druckmittelquellen
JPH10266274A (ja) *	1997-03-27	1998-10-06	Hitachi Constr Mach Co Ltd	建設機械の油圧回路装置
JPH11115780A (ja) *	1997-10-15	1999-04-27	Komatsu Ltd	作業車両用ステアリングポンプの容量制御方法および装置
DE19906689A1 (de) *	1999-02-18	2000-08-24	Krupp Foerdertechnik Gmbh	Hydraulikantrieb für Schwimmbagger
US6901754B2 (en) *	2003-10-01	2005-06-07	Husco International, Inc.	Power conserving hydraulic pump bypass compensator circuit
JP2013044398A (ja)	2011-08-24	2013-03-04	Komatsu Ltd	油圧駆動システム
GB201209109D0 (en) *	2012-05-24	2012-07-04	Agco Int Gmbh	Pilot pressure supply system
DE102012209142A1 (de)	2012-05-31	2013-12-05	Putzmeister Engineering Gmbh	Hydrauliksystem
DE102012011400A1 (de) *	2012-06-08	2013-12-12	Hydac System Gmbh	Hydrauliksystem zur sicheren Druckversorgung mindestens eines Verbrauchers
DE102014004932B3 (de)	2014-04-05	2015-05-13	Hydac Fluidtechnik Gmbh	Schaltungsanordnung

2017
- 2017-05-15 DE DE102017004634.4A patent/DE102017004634A1/de not_active Withdrawn
2018
- 2018-04-27 CN CN201890000650.8U patent/CN211448991U/zh active Active
- 2018-04-27 US US16/497,013 patent/US11168710B2/en active Active
- 2018-04-27 JP JP2019555460A patent/JP7130662B2/ja active Active
- 2018-04-27 EP EP18722442.3A patent/EP3625457B1/fr active Active
- 2018-04-27 WO PCT/EP2018/060866 patent/WO2018210550A1/fr not_active Ceased

Also Published As

Publication number	Publication date
DE102017004634A1 (de)	2018-11-15
CN211448991U (zh)	2020-09-08
WO2018210550A1 (fr)	2018-11-22
JP7130662B2 (ja)	2022-09-05
US11168710B2 (en)	2021-11-09
EP3625457B1 (fr)	2023-12-06
EP3625457A1 (fr)	2020-03-25
US20200095987A1 (en)	2020-03-26
JP2020519815A (ja)	2020-07-02

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