EP3808977A3 - Hydraulische anordnung - Google Patents

Hydraulische anordnung Download PDF

Info

Publication number
EP3808977A3
EP3808977A3 EP20197627.1A EP20197627A EP3808977A3 EP 3808977 A3 EP3808977 A3 EP 3808977A3 EP 20197627 A EP20197627 A EP 20197627A EP 3808977 A3 EP3808977 A3 EP 3808977A3
Authority
EP
European Patent Office
Prior art keywords
hydraulic
tank
pump
hydraulic assembly
working
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
EP20197627.1A
Other languages
English (en)
French (fr)
Other versions
EP3808977B1 (de
EP3808977A2 (de
Inventor
Michael Meid
Manuel Billich
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Publication of EP3808977A2 publication Critical patent/EP3808977A2/de
Publication of EP3808977A3 publication Critical patent/EP3808977A3/de
Application granted granted Critical
Publication of EP3808977B1 publication Critical patent/EP3808977B1/de
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
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F04B23/021—Pumping installations or systems having reservoirs the pump being immersed in the reservoir
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • 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
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • 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
    • F04B53/20—Filtering
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/047—Preventing foaming, churning or cavitation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

Die Erfindung betrifft eine hydraulische Anordnung (10) mit einer Arbeitspumpe (12) zum Fördern eines Hydraulikmediums in Richtung einer hydraulischen Arbeitslast (14). Weiterhin enthält die hydraulische Anordnung (10) einen Hydrauliktank (20) und eine Hilfspumpe (22). Der Hydrauliktank (20) weist einen Tankausgang (18) für einen hydraulischen Anschluss der Eingangsseite des Arbeitspumpe (12) auf. Die Hilfspumpe (22) ist im Hydrauliktank (20) gelagert und bewirkt abhängig von einer Steuerung (28) einen Hydraulikfluss (26) in Richtung des Tankausganges (18).
EP20197627.1A 2019-10-17 2020-09-23 Hydraulische anordnung Active EP3808977B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019215975.3A DE102019215975A1 (de) 2019-10-17 2019-10-17 Hydraulische Anordnung

Publications (3)

Publication Number Publication Date
EP3808977A2 EP3808977A2 (de) 2021-04-21
EP3808977A3 true EP3808977A3 (de) 2021-05-05
EP3808977B1 EP3808977B1 (de) 2023-08-30

Family

ID=72615681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20197627.1A Active EP3808977B1 (de) 2019-10-17 2020-09-23 Hydraulische anordnung

Country Status (3)

Country Link
US (1) US11105324B2 (de)
EP (1) EP3808977B1 (de)
DE (1) DE102019215975A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4239195B1 (de) * 2022-03-01 2025-11-19 Mathieu Wasserkraftwerk
CN115681219B (zh) * 2022-11-14 2025-07-22 鞍山冶金集团车辆制造有限公司 一种机械液压动力蓄能应急处理器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839689A1 (de) * 1988-11-24 1990-05-31 Rudolf Pickel Hydraulisches pumpenaggregat
DE3931699A1 (de) * 1989-07-27 1991-02-07 Liebherr Werk Bischofshofen Verfahren und vorrichtung zum kaltstarten von mobilen arbeitsmaschinen, vorzugsweise baumaschinen
DE10215068A1 (de) * 2002-04-05 2003-10-23 Zf Lenksysteme Gmbh Verdrängerpumpe
WO2018162187A1 (de) * 2017-03-10 2018-09-13 Robert Bosch Gmbh Kraftstoffzuführeinrichtung, insbesondere für ein kraftfahrzeug, mit mindestens einem kraftstofftank
WO2019081159A1 (de) * 2017-10-26 2019-05-02 Robert Bosch Gmbh Kraftstofffördereinrichtung für kryogene kraftstoffe, verfahren zum betreiben einer kraftstofffördereinrichtung für kryogene kraftstoffe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004263806A (ja) * 2003-03-03 2004-09-24 Opton Co Ltd 液圧装置
US7444809B2 (en) * 2006-01-30 2008-11-04 Caterpillar Inc. Hydraulic regeneration system
US7845914B2 (en) 2007-02-15 2010-12-07 Deere & Company Self-priming fast fill sprayer pump system
US9982669B2 (en) * 2014-11-06 2018-05-29 Caterpillar Inc. Variable retraction rate pump and method for operating same
US10631531B2 (en) 2015-07-06 2020-04-28 Deere & Company Sprayer fluid operation system
ITUB20153995A1 (it) * 2015-09-29 2017-03-29 Cnh Ind Italia Spa Circuito idraulico per uso su un veicolo CVT.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839689A1 (de) * 1988-11-24 1990-05-31 Rudolf Pickel Hydraulisches pumpenaggregat
DE3931699A1 (de) * 1989-07-27 1991-02-07 Liebherr Werk Bischofshofen Verfahren und vorrichtung zum kaltstarten von mobilen arbeitsmaschinen, vorzugsweise baumaschinen
DE10215068A1 (de) * 2002-04-05 2003-10-23 Zf Lenksysteme Gmbh Verdrängerpumpe
WO2018162187A1 (de) * 2017-03-10 2018-09-13 Robert Bosch Gmbh Kraftstoffzuführeinrichtung, insbesondere für ein kraftfahrzeug, mit mindestens einem kraftstofftank
WO2019081159A1 (de) * 2017-10-26 2019-05-02 Robert Bosch Gmbh Kraftstofffördereinrichtung für kryogene kraftstoffe, verfahren zum betreiben einer kraftstofffördereinrichtung für kryogene kraftstoffe

Also Published As

Publication number Publication date
DE102019215975A1 (de) 2021-04-22
US20210115649A1 (en) 2021-04-22
EP3808977B1 (de) 2023-08-30
US11105324B2 (en) 2021-08-31
EP3808977A2 (de) 2021-04-21

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