EP1593858A3 - Hydrauliksystem für Flurförderfahrzeuge - Google Patents

Hydrauliksystem für Flurförderfahrzeuge Download PDF

Info

Publication number
EP1593858A3
EP1593858A3 EP05008201A EP05008201A EP1593858A3 EP 1593858 A3 EP1593858 A3 EP 1593858A3 EP 05008201 A EP05008201 A EP 05008201A EP 05008201 A EP05008201 A EP 05008201A EP 1593858 A3 EP1593858 A3 EP 1593858A3
Authority
EP
European Patent Office
Prior art keywords
oil
hydraulic
hydraulic system
hydraulic oil
flow
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
EP05008201A
Other languages
English (en)
French (fr)
Other versions
EP1593858A2 (de
EP1593858B1 (de
Inventor
Wilhelm Kräutler
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.)
Liebherr Werk Nenzing GmbH
Original Assignee
Liebherr Werk Nenzing 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.)
Filing date
Publication date
Application filed by Liebherr Werk Nenzing GmbH filed Critical Liebherr Werk Nenzing GmbH
Publication of EP1593858A2 publication Critical patent/EP1593858A2/de
Publication of EP1593858A3 publication Critical patent/EP1593858A3/de
Application granted granted Critical
Publication of EP1593858B1 publication Critical patent/EP1593858B1/de
Not-in-force legal-status Critical Current
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
    • 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
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

Die Erfindung betrifft ein Hydrauliksystem (10) für Flurförderfahrzeuge mit einer Filteranlage zum Reinigen des Hydraulikölstroms durch Abfiltern von Partikeln, mit einer Einrichtung (18) zur Entnahme eines definierten Teilstroms des Hydrauliköls und mit mindestens einem Filterelement (20) zum Filtern des Hydraulikölteilstromes.
EP05008201A 2004-05-04 2005-04-14 Hydrauliksystem für Flurförderfahrzeuge Not-in-force EP1593858B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004007062U DE202004007062U1 (de) 2004-05-04 2004-05-04 Hydrauliksystem für Flurförderfahrzeuge
DE202004007062U 2004-05-04

Publications (3)

Publication Number Publication Date
EP1593858A2 EP1593858A2 (de) 2005-11-09
EP1593858A3 true EP1593858A3 (de) 2006-09-06
EP1593858B1 EP1593858B1 (de) 2010-07-21

Family

ID=34935189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05008201A Not-in-force EP1593858B1 (de) 2004-05-04 2005-04-14 Hydrauliksystem für Flurförderfahrzeuge

Country Status (5)

Country Link
US (1) US20050247641A1 (de)
EP (1) EP1593858B1 (de)
AT (1) ATE475018T1 (de)
DE (2) DE202004007062U1 (de)
ES (1) ES2348665T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007033293A1 (de) * 2007-07-17 2009-01-29 Technotrans Ag Filtration für Druckmaschinen
CN101403403B (zh) * 2007-09-28 2013-03-27 卡特彼勒公司 具有过滤器旁路的流体回路
SE535284C2 (sv) * 2010-01-25 2012-06-12 Bt Products Ab Metod för rengöring av hydraulvätska, datorprogramsprodukt, styrenhet samt industritruck

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027595A (en) * 1975-11-10 1977-06-07 Abex Corporation Hydraulic apparatus
DE4011913A1 (de) * 1990-04-12 1991-10-17 Beyer Rudi Dipl Ing Hydrauliksystem mit filter und filteranordnung
DE4203062C1 (en) * 1992-02-04 1993-07-01 Hemscheidt Maschinentechnik Schwerin Gmbh & Co, O-2781 Schwerin, De Hydraulic installation with main and sec. flow circuit and sec. flow filtration - comprises liq. tank with partition for limited screening of liq.flow into and out of tank.
DE19515962A1 (de) * 1995-03-29 1996-10-02 Argo Gmbh Fuer Fluidtechnik Hydraulische Schaltung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543934A (en) * 1968-09-18 1970-12-01 Int Basic Economy Corp Hydraulic reservoir and filter apparatus
US4685066A (en) * 1984-12-18 1987-08-04 Caterpillar Inc. Contamination monitor and method
US5975257A (en) * 1996-09-04 1999-11-02 Komatsu Mining Systems Inc. Method and apparatus for separating steering oil and brake cooling oil within a hydraulic tank
US6063269A (en) * 1998-08-06 2000-05-16 Caterpillar Inc. Filtration apparatus for a hydraulic system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027595A (en) * 1975-11-10 1977-06-07 Abex Corporation Hydraulic apparatus
DE4011913A1 (de) * 1990-04-12 1991-10-17 Beyer Rudi Dipl Ing Hydrauliksystem mit filter und filteranordnung
DE4203062C1 (en) * 1992-02-04 1993-07-01 Hemscheidt Maschinentechnik Schwerin Gmbh & Co, O-2781 Schwerin, De Hydraulic installation with main and sec. flow circuit and sec. flow filtration - comprises liq. tank with partition for limited screening of liq.flow into and out of tank.
DE19515962A1 (de) * 1995-03-29 1996-10-02 Argo Gmbh Fuer Fluidtechnik Hydraulische Schaltung

Also Published As

Publication number Publication date
EP1593858A2 (de) 2005-11-09
ES2348665T3 (es) 2010-12-10
US20050247641A1 (en) 2005-11-10
ATE475018T1 (de) 2010-08-15
EP1593858B1 (de) 2010-07-21
DE502005009930D1 (de) 2010-09-02
DE202004007062U1 (de) 2005-09-15

Similar Documents

Publication Publication Date Title
WO2012056448A3 (en) Agricultural emitter including a filter and method of using same
EP1994974A3 (de) Ölfiltervorrichtung
WO2009081059A3 (fr) Appareil nettoyeur de surface immergée à filtration inclinée
EP1118368A3 (de) Verfahren und Vorrichtung zum Filtern von Fluiden
CA2642316A1 (en) Filter device and filtering method
WO2006011921A3 (en) Method and system for filtering sediment-bearing fluids
WO2005074508A3 (en) Molecular separator
CA2642228A1 (en) Device and method for processing backflushed fluid
AU4791000A (en) Method and apparatus for filtering particles out of a liquid
WO2009055737A3 (en) Filter assembly for fryer and method and use
WO2008152700A1 (ja) 超微細粒焼砂生物濾過装置
EP1839980A3 (de) Hydraulische Drucksteuervorrichtung für Fahrzeugbremsen
EP1593858A3 (de) Hydrauliksystem für Flurförderfahrzeuge
EP2336505A3 (de) Filtersystem zur Lieferung von Schmiermittel
WO2006096525A3 (en) Method and system for solvent purification
WO2002076590A3 (en) Filtering system
EP1624113A3 (de) Mobile Vorrichtung zur Oberflächenbehandlung
WO2009007962A3 (en) Method and system for backwashing a filter
EP1424119A3 (de) Filter mit Reinigungsvorrichtung
IL210837A (en) A device and method for purifying drinking water
WO2005094964A3 (de) Verfahren und vorrichtung zum pflegen, filtrieren und reinigen eines arbeitsmediums
WO2003024560A3 (de) Filtervorrichtung für gartenteiche oder dergleichen
AU4538400A (en) Cleaning device
CN209997310U (zh) 地下水过滤器反冲洗装置
WO2010032018A3 (en) Apparatus for use in top filling of tubulars and associated methods

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR LV MK YU

17P Request for examination filed

Effective date: 20061115

AKX Designation fees paid

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20070709

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: CH

Ref legal event code: NV

Representative=s name: BOVARD AG PATENTANWAELTE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: LIEBHERR-WERK NENZING GMBH

REF Corresponds to:

Ref document number: 502005009930

Country of ref document: DE

Date of ref document: 20100902

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: T3

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Effective date: 20101126

LTIE Lt: invalidation of european patent or patent extension

Effective date: 20100721

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101121

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101122

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101021

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20101022

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: LIEBHERR-WERK NENZING GMBH

Free format text: LIEBHERR-WERK NENZING GMBH#DR.-HANS-LIEBHERR-STRASSE 1#6710 NENZING (AT) -TRANSFER TO- LIEBHERR-WERK NENZING GMBH#DR.-HANS-LIEBHERR-STRASSE 1#6710 NENZING (AT)

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

26N No opposition filed

Effective date: 20110426

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502005009930

Country of ref document: DE

Effective date: 20110426

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110430

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20120514

Year of fee payment: 8

Ref country code: CH

Payment date: 20120426

Year of fee payment: 8

Ref country code: BE

Payment date: 20120430

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20120510

Year of fee payment: 8

Ref country code: GB

Payment date: 20120425

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20120420

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 20120425

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

BERE Be: lapsed

Owner name: LIEBHERR-WERK NENZING GMBH

Effective date: 20130430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20100721

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20131101

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 475018

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130430

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130414

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130414

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20131231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130430

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20131101

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20140610

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20130415

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20150506

Year of fee payment: 11

Ref country code: SE

Payment date: 20150423

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20150424

Year of fee payment: 11

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502005009930

Country of ref document: DE

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20161101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160414

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160415