EP1780420A3 - Unité hydraulique d'alimentation en pression et unité de traitement électro-hydraulique - Google Patents

Unité hydraulique d'alimentation en pression et unité de traitement électro-hydraulique Download PDF

Info

Publication number
EP1780420A3
EP1780420A3 EP06122576A EP06122576A EP1780420A3 EP 1780420 A3 EP1780420 A3 EP 1780420A3 EP 06122576 A EP06122576 A EP 06122576A EP 06122576 A EP06122576 A EP 06122576A EP 1780420 A3 EP1780420 A3 EP 1780420A3
Authority
EP
European Patent Office
Prior art keywords
pressure
pump
outputs
pressure pump
hydraulic
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
EP06122576A
Other languages
German (de)
English (en)
Other versions
EP1780420A2 (fr
EP1780420B1 (fr
Inventor
Manfred Kurz
Bertold Grimmer
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.)
Hoerbiger Automatisierungstechnik Holding GmbH
Original Assignee
Hoerbiger Automatisierungstechnik Holding 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 Hoerbiger Automatisierungstechnik Holding GmbH filed Critical Hoerbiger Automatisierungstechnik Holding GmbH
Publication of EP1780420A2 publication Critical patent/EP1780420A2/fr
Publication of EP1780420A3 publication Critical patent/EP1780420A3/fr
Application granted granted Critical
Publication of EP1780420B1 publication Critical patent/EP1780420B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/022Systems essentially incorporating special features for controlling the speed or actuating force of an output member in which a rapid approach stroke is followed by a slower, high-force working stroke
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/001With multiple inputs, e.g. for dual control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B7/00Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/005With rotary or crank input
    • F15B7/006Rotary pump input
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20507Type of prime mover
    • F15B2211/20515Electric motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20538Type of pump constant capacity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/2053Type of pump
    • F15B2211/20561Type of pump reversible
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205Systems with pumps
    • F15B2211/20576Systems with pumps with multiple pumps
    • F15B2211/20592Combinations of pumps for supplying high and low pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/20Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/265Control of multiple pressure sources
    • F15B2211/2654Control of multiple pressure sources one or more pressure sources having priority
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. check valves
    • F15B2211/3051Cross-check valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/505Pressure control characterised by the type of pressure control means
    • F15B2211/50509Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/52Pressure control characterised by the type of actuation
    • F15B2211/528Pressure control characterised by the type of actuation actuated by fluid pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/55Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/50Pressure control
    • F15B2211/575Pilot pressure control
    • F15B2211/5756Pilot pressure control for opening a valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051Linear output members
    • F15B2211/7053Double-acting output members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00Circuits for servomotor systems
    • F15B2211/70Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/775Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
EP06122576A 2005-10-28 2006-10-19 Unité hydraulique d'alimentation en pression et unité de traitement électro-hydraulique Ceased EP1780420B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0074205U AT8986U1 (de) 2005-10-28 2005-10-28 Hydraulische druckversorgungseinheit, sowie elektrohydraulische arbeitseinheit und spannsystem mit einer derartigen druckversorgungseinheit

Publications (3)

Publication Number Publication Date
EP1780420A2 EP1780420A2 (fr) 2007-05-02
EP1780420A3 true EP1780420A3 (fr) 2008-04-02
EP1780420B1 EP1780420B1 (fr) 2009-10-14

Family

ID=37592021

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06122576A Ceased EP1780420B1 (fr) 2005-10-28 2006-10-19 Unité hydraulique d'alimentation en pression et unité de traitement électro-hydraulique

Country Status (6)

Country Link
US (1) US7493757B2 (fr)
EP (1) EP1780420B1 (fr)
KR (1) KR101311009B1 (fr)
CN (1) CN1971068B (fr)
AT (1) AT8986U1 (fr)
DE (1) DE502006005089D1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100866612B1 (ko) * 2007-05-03 2008-11-03 동양기전 주식회사 유압실린더 조립기
DE102007040345A1 (de) * 2007-07-18 2009-01-22 Robert Bosch Gmbh Verfahren zum Ansteuern eines Hubwerks und Hubwerk
DE102007040344A1 (de) * 2007-07-19 2009-01-22 Robert Bosch Gmbh Hubwerk und Verfahren zum Ansteuern eines derartigen Hubwerks
GB2454908B (en) * 2007-11-23 2012-04-11 Schlumberger Holdings Hydraulic manifold pump
DE202008003500U1 (de) 2008-03-12 2009-07-30 Wagner Vermögensverwaltungs-GmbH & Co. KG Hydraulische Druckliefereinheit für einen Kraftschrauber
DE102009040347A1 (de) * 2009-09-05 2011-03-10 Alpha Fluid Hydrauliksysteme Müller GmbH Schaltungs-,Ansteuerungs- und Regelkonzeption für autarke, weggeregelte elektrohydraulische Aktoren
WO2012113368A2 (fr) 2011-02-23 2012-08-30 Schaeffler Technologies AG & Co. KG Dispositif hydraulique pour actionner un embrayage
US9174632B2 (en) 2013-11-12 2015-11-03 American Axle & Manufacturing, Inc. Hydraulically operated clutch
CN104675991B (zh) * 2013-11-29 2017-06-06 天津萨克赛斯机械技术开发有限公司 一种液压同步换挡系统
CN105443462A (zh) * 2014-08-12 2016-03-30 安钛医疗设备股份有限公司 双向输出的混合液压动力系统
DE102014218885A1 (de) * 2014-09-19 2016-03-24 Voith Patent Gmbh Hydraulischer Antrieb mit Eilhub und Lasthub
DE102014218884B4 (de) * 2014-09-19 2020-12-10 Voith Patent Gmbh Hydraulischer Antrieb mit Eilhub und Lasthub
JP6449641B2 (ja) * 2014-12-16 2019-01-09 株式会社ショーワ ポンプ装置、船外機のチルト・トリム装置
JP6497925B2 (ja) * 2014-12-16 2019-04-10 株式会社ショーワ ポンプ装置、船外機のチルト・トリム装置
CN105003481B (zh) * 2015-07-01 2017-02-01 天津大学 集成式变阻尼液压支撑系统
CN107313999B (zh) * 2016-09-27 2023-05-05 湖南汽车工程职业学院 自动竹席编织机进篾、顶压篾液压驱动系统及其驱动方法
CN106763722A (zh) * 2017-03-06 2017-05-31 同济大学 双离合自动变速器液压系统
DE102017106693B3 (de) * 2017-03-29 2018-05-30 Voith Patent Gmbh Vorrichtung zum Regeln einer hydraulischen Maschine
JP7182441B2 (ja) * 2018-12-05 2022-12-02 日本電産トーソク株式会社 油圧制御装置
CN114294303A (zh) * 2022-01-05 2022-04-08 三一汽车起重机械有限公司 可调节功率的液压系统、调节方法及作业机械

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864911A (en) * 1974-02-14 1975-02-11 Gen Cable Corp Hydraulic System with Bi-Rotational Pump
US4008571A (en) * 1976-03-31 1977-02-22 Towmotor Corporation Hydraulic system for electric lift trucks
US20030145588A1 (en) * 2002-02-05 2003-08-07 Kubinski Paul T. Bi-rotational, two-stage hydraulic system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3903698A (en) * 1974-02-14 1975-09-09 Gen Cable Corp Hydraulic system with bi-rotational pump with filter title
GB1596282A (en) * 1977-04-06 1981-08-26 Willett Thomas & Co Ltd Pumping system
SE461391B (sv) * 1987-10-28 1990-02-12 Bt Ind Ab Hydraulisk lyftanordning
DE4008792A1 (de) * 1990-03-19 1991-09-26 Rexroth Mannesmann Gmbh Antrieb fuer einen hydraulischen zylinder, insbesondere differentialzylinder
CN2116114U (zh) * 1992-03-21 1992-09-16 建设部长沙建筑机械研究所 闭式油路液控装置
JP3528981B2 (ja) * 1994-08-30 2004-05-24 株式会社小松製作所 油圧ショベルのブームシリンダ用油圧回路
JP2001208004A (ja) 2000-01-25 2001-08-03 Nireco Corp 油圧駆動装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864911A (en) * 1974-02-14 1975-02-11 Gen Cable Corp Hydraulic System with Bi-Rotational Pump
US4008571A (en) * 1976-03-31 1977-02-22 Towmotor Corporation Hydraulic system for electric lift trucks
US20030145588A1 (en) * 2002-02-05 2003-08-07 Kubinski Paul T. Bi-rotational, two-stage hydraulic system

Also Published As

Publication number Publication date
AT8986U1 (de) 2007-03-15
CN1971068A (zh) 2007-05-30
DE502006005089D1 (de) 2009-11-26
CN1971068B (zh) 2010-07-21
EP1780420A2 (fr) 2007-05-02
EP1780420B1 (fr) 2009-10-14
KR20070046015A (ko) 2007-05-02
US7493757B2 (en) 2009-02-24
KR101311009B1 (ko) 2013-09-24
US20070095060A1 (en) 2007-05-03

Similar Documents

Publication Publication Date Title
EP1780420A3 (fr) Unité hydraulique d'alimentation en pression et unité de traitement électro-hydraulique
EP1607305A3 (fr) Dispositif de positionnement actionné par fluide sous pression, notamment pour appareil de direction de véhicule
WO2013178373A1 (fr) Système hydraulique
DE102014207669A1 (de) Steuerungssystem für eine hydraulische Arbeitsmaschine
EP1996827A1 (fr) Alimentation en fluide de pression destinée à un embrayage et à une transmission automatique
DE102012102978A1 (de) Geschlossener hydraulischer Kreislauf
EP0136457A3 (fr) Soupape à 4/3-voies
DE19538339B4 (de) Vorrichtung zum Erzeugen von Druckluft
DE202008003500U1 (de) Hydraulische Druckliefereinheit für einen Kraftschrauber
DE3620752A1 (de) Verfahren zum erzeugen elektrischer energie mittels eines druckmediums
DE102012016631A1 (de) Einrichtung zur Bereitstellung von unter einem vorgebbaren Druck stehenden Fluiden
WO2012041497A2 (fr) Entraînement hydrostatique
EP1141549A1 (fr) Dispositif pour convertir de l'energie stockee dans de l'air comprime en travail mecanique
DE102022209608B4 (de) Hydraulischer Antrieb für einen im Betrieb zyklisch wechselweise in entgegengesetzte Rich-tungen druckbeaufschlagten hydraulischen Verbraucher, Verdichtungseinrichtung für Fluide und hydraulisch angetriebene Vorrichtung
DE19716081C1 (de) Antrieb für einen hydraulischen Differentialzylinder
DE2741496A1 (de) Flurfoerderfahrzeug mit einer hydraulischen hubzylinderkolbeneinrichtung fuer ein hubgeruest
AT525554A4 (de) Verfahren zur Druckregelung eines Aktuators für die Prüfung von Prüfkörpern
DE102016007267A1 (de) Vorrichtung zur Rekuperation von hydraulischer Energie mittels einer Verschaltung von zwei Differentialzylindern
DE2710161C2 (de) Vorrichtung an einer Heißgasmaschine zur Entnahme und Förderung von Arbeitsgas aus deren Arbeitsraum in einen Speicherraum
DE635883C (de) Druckluftakkumulatoranlage fuer hydraulische Pressen, bei der dem das Betriebswasserliefernden Akkumulator eine sowohl luft- als auch wasserseitig mit dem Akkumulator in Verbindung stehende und jeweils gegen Presswasserzu- oder -abfluss absperrbare Luftflasche zugeordnet ist
AT407731B (de) Hydraulische fahrzeugdeckel-betätigungsanordnung
DE2626971A1 (de) Kolbenpumpe zur verwendung mit einer druckoel fuehrenden hydraulikanlage
EP1700816A3 (fr) Groupe hydraulique
DE229073C (fr)
SU1381358A1 (ru) Стенд дл испытаний лесозаготовительных машин

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 LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR 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 LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

RIC1 Information provided on ipc code assigned before grant

Ipc: F15B 11/02 20060101AFI20070206BHEP

Ipc: F15B 11/17 20060101ALI20080226BHEP

Ipc: F16H 61/44 20060101ALI20080226BHEP

Ipc: F15B 7/00 20060101ALI20080226BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HOERBIGER AUTOMATISIERUNGSTECHNIK HOLDING GMBH

17P Request for examination filed

Effective date: 20080924

AKX Designation fees paid

Designated state(s): DE FR IT

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): DE FR IT

REF Corresponds to:

Ref document number: 502006005089

Country of ref document: DE

Date of ref document: 20091126

Kind code of ref document: P

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

26N No opposition filed

Effective date: 20100715

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

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

Ref country code: DE

Payment date: 20161227

Year of fee payment: 11

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 12

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

Ref country code: FR

Payment date: 20171023

Year of fee payment: 12

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

Ref country code: IT

Payment date: 20171020

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502006005089

Country of ref document: DE

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: 20180501

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: 20181031

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: 20181019