EP1308415A3 - Dispositif de levage hydraulique en particulier pour chariots industriels alimentés par batterie et son procédé de commande - Google Patents

Dispositif de levage hydraulique en particulier pour chariots industriels alimentés par batterie et son procédé de commande Download PDF

Info

Publication number
EP1308415A3
EP1308415A3 EP02024330A EP02024330A EP1308415A3 EP 1308415 A3 EP1308415 A3 EP 1308415A3 EP 02024330 A EP02024330 A EP 02024330A EP 02024330 A EP02024330 A EP 02024330A EP 1308415 A3 EP1308415 A3 EP 1308415A3
Authority
EP
European Patent Office
Prior art keywords
pump
hydraulic
lifting device
hydraulic lifting
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.)
Granted
Application number
EP02024330A
Other languages
German (de)
English (en)
Other versions
EP1308415B1 (fr
EP1308415A2 (fr
Inventor
Octavian Mare
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.)
Dambach Lagersysteme & Co KG GmbH
Original Assignee
Dambach Lagersysteme & Co KG 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 Dambach Lagersysteme & Co KG GmbH filed Critical Dambach Lagersysteme & Co KG GmbH
Publication of EP1308415A2 publication Critical patent/EP1308415A2/fr
Publication of EP1308415A3 publication Critical patent/EP1308415A3/fr
Application granted granted Critical
Publication of EP1308415B1 publication Critical patent/EP1308415B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F15B11/02Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • F15B11/044Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/22Hydraulic devices or systems
    • 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
    • F15B21/00Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14Energy-recuperation means
    • 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
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/30505Non-return valves, i.e. 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
    • F15B2211/30Directional control
    • F15B2211/305Directional control characterised by the type of valves
    • F15B2211/3056Assemblies of multiple valves
    • F15B2211/30565Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/3057Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having two valves, one for each port of a double-acting output member
    • 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
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40507Flow control characterised by the type of flow control means or valve with constant throttles or orifices
    • 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
    • F15B2211/40Flow control
    • F15B2211/405Flow control characterised by the type of flow control means or valve
    • F15B2211/40515Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • 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
    • F15B2211/40Flow control
    • F15B2211/41Flow control characterised by the positions of the valve element
    • F15B2211/411Flow control characterised by the positions of the valve element the positions being discrete
    • 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
    • F15B2211/40Flow control
    • F15B2211/42Flow control characterised by the type of actuation
    • F15B2211/426Flow control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/40Flow control
    • F15B2211/46Control of flow in the return line, i.e. meter-out 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
    • 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
    • F15B2211/50518Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
    • F15B2211/515Pressure control characterised by the connections of the pressure control means in the circuit
    • F15B2211/5151Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and a directional control 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
    • F15B2211/52Pressure control characterised by the type of actuation
    • F15B2211/526Pressure control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/70Output 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
    • F15B2211/7052Single-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
    • F15B2211/71Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7114Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators
    • F15B2211/7128Multiple output members, e.g. multiple hydraulic motors or cylinders with direct connection between the chambers of different actuators the chambers being connected in parallel
    • 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
    • F15B2211/75Control of speed of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
EP20020024330 2001-11-06 2002-11-02 Dispositif de levage hydraulique en particulier pour chariots industriels alimentés par batterie et son procédé de commande Expired - Lifetime EP1308415B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10154449 2001-11-06
DE2001154449 DE10154449A1 (de) 2001-11-06 2001-11-06 Hydraulische Hubvorrichtung insbesondere für batteriegetriebene Flurförderzeuge und Verfahren zu deren Steuerung

Publications (3)

Publication Number Publication Date
EP1308415A2 EP1308415A2 (fr) 2003-05-07
EP1308415A3 true EP1308415A3 (fr) 2005-05-25
EP1308415B1 EP1308415B1 (fr) 2007-02-07

Family

ID=7704772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020024330 Expired - Lifetime EP1308415B1 (fr) 2001-11-06 2002-11-02 Dispositif de levage hydraulique en particulier pour chariots industriels alimentés par batterie et son procédé de commande

Country Status (2)

Country Link
EP (1) EP1308415B1 (fr)
DE (2) DE10154449A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107010571A (zh) * 2015-11-05 2017-08-04 株式会社丰田自动织机 工业车辆
CN107352473A (zh) * 2017-09-22 2017-11-17 太仓市高泰机械有限公司 一种自调型液压车的工作方法
CN107458999A (zh) * 2017-09-22 2017-12-12 太仓市高泰机械有限公司 一种带有阻尼减震装置的自调型液压车

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE525159C2 (sv) * 2002-06-05 2004-12-14 Bt Ind Ab Förfarande för att styra sänkningsrörelsen för en trucks luftcylinder
DE102009053618A1 (de) * 2009-11-17 2011-05-19 Robert Bosch Gmbh Hydraulikantrieb mit Energierückgewinnung
US8196464B2 (en) * 2010-01-05 2012-06-12 The Raymond Corporation Apparatus and method for monitoring a hydraulic pump on a material handling vehicle
KR20110127773A (ko) 2010-05-20 2011-11-28 두산산업차량 주식회사 전동지게차의 에너지 회수 시스템
CN102108948B (zh) 2010-12-28 2012-11-28 山河智能装备股份有限公司 一种适用于装卸搬运电动车的能量再生发电系统
DE102012005432A1 (de) * 2012-03-17 2013-09-19 Jungheinrich Aktiengesellschaft Flurförderzeug mit mindestens einem Hubzylinder
CN107601391A (zh) * 2017-09-22 2018-01-19 太仓市高泰机械有限公司 一种液压车的自动感应及自锁方法
CN107601390A (zh) * 2017-09-22 2018-01-19 太仓市高泰机械有限公司 一种带有自锁功能的液压车的工作方法
CN112209305A (zh) * 2020-10-30 2021-01-12 合力工业车辆(上海)有限公司 一种仓储叉车液压系统
CN215058526U (zh) * 2021-03-19 2021-12-07 湖南星邦智能装备股份有限公司 双作用浮动油缸控制回路

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416173A1 (de) * 1994-05-06 1995-11-09 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge oder dergleichen
EP0908413A2 (fr) * 1997-10-08 1999-04-14 Still Wagner GmbH & Co. KG Chariot élévateur avec un dispositif de prise de la charge et procédé pour descendre le dispositif de prise de la charge
DE19921629A1 (de) * 1999-05-10 2000-11-16 Dambach Lagersysteme Gmbh Hydraulische Hubvorrichtung
EP1193211A2 (fr) * 2000-09-28 2002-04-03 STILL WAGNER GmbH & Co KG Dispositif de levage hydraulique

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416173A1 (de) * 1994-05-06 1995-11-09 Jungheinrich Ag Hydraulische Hubvorrichtung für batteriebetriebene Flurförderzeuge oder dergleichen
EP0908413A2 (fr) * 1997-10-08 1999-04-14 Still Wagner GmbH & Co. KG Chariot élévateur avec un dispositif de prise de la charge et procédé pour descendre le dispositif de prise de la charge
DE19921629A1 (de) * 1999-05-10 2000-11-16 Dambach Lagersysteme Gmbh Hydraulische Hubvorrichtung
EP1193211A2 (fr) * 2000-09-28 2002-04-03 STILL WAGNER GmbH & Co KG Dispositif de levage hydraulique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107010571A (zh) * 2015-11-05 2017-08-04 株式会社丰田自动织机 工业车辆
CN107352473A (zh) * 2017-09-22 2017-11-17 太仓市高泰机械有限公司 一种自调型液压车的工作方法
CN107458999A (zh) * 2017-09-22 2017-12-12 太仓市高泰机械有限公司 一种带有阻尼减震装置的自调型液压车

Also Published As

Publication number Publication date
EP1308415B1 (fr) 2007-02-07
DE10154449A1 (de) 2003-05-15
EP1308415A2 (fr) 2003-05-07
DE50209428D1 (de) 2007-03-22

Similar Documents

Publication Publication Date Title
EP1308415A3 (fr) Dispositif de levage hydraulique en particulier pour chariots industriels alimentés par batterie et son procédé de commande
DE69920452T2 (de) Mobile arbeitsmaschine
EP1577257A3 (fr) Appareil de levage hydraulique pour chariot élévateur électrique
CN206889376U (zh) 一种具有液压储能的高空作业平台液压控制系统
CN102695884A (zh) 具有能量回收的液压驱动系统
EP2123593A1 (fr) Compensation de fuite électro-hydraulique
DE19549150A1 (de) Hydrauliksteuerungssystem für Gabelstapler
CN108383039A (zh) 一种节能型步进式升降机构液压控制系统
CN104006278A (zh) 一种液压助力式自动黄油加注系统及推土机
EP1298306A3 (fr) Procédé pour faire fonctionner un moteur à combustion
DE50002755D1 (de) Hydraulischer aufzug mit einem als gegengewicht wirkenden druckspeicher und verfahren zum steuern und regeln eines solchen aufzugs
CN205001099U (zh) 高压喷油器测试设备
DE112007001165B4 (de) Verfahren zum Steuern einer Pumpe für eine Arbeitsmaschine
EP0990802A3 (fr) Dispositif de réglage de vitesse électrohydraulique pour un vérin hydraulique
CN2858923Y (zh) 一种旋挖钻机电液比例加压装置
CN108005968A (zh) 应急制动释放系统、控制方法及其起升系统
DE19727623C1 (de) Verfahren zur Förderung von Flüssigkeiten mit Hilfe einer aus zwei einzelnen oszillierenden Verdrängerpumpen bestehenden Pumpenkombination und Vorrichtung zur Durchführung des Verfahrens
DE19631804B4 (de) Hydraulische Hubeinrichtung
EP1052215A3 (fr) Dispositif de levage hydraulique
DE102013022136A1 (de) Verfahren zur Verhinderung einer Überdrehzahl eines Antriebsaggregates einer Arbeitsmaschine
DE60104096T2 (de) Rückführeinrichtung für lecköl eines hydraulikmotors
ATE550289T1 (de) Verfahren zur steuerung eines hubwagens
CN2851229Y (zh) 空载快升液压千斤顶
EP1855060A3 (fr) Procédé de dégazage et/ou de maintien de la pression dans un circuit d'eau fermé
CN114370437A (zh) 一种剪叉式高空作业平台升降液压控制系统

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

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

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

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 IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RIC1 Information provided on ipc code assigned before grant

Ipc: 7F 15B 21/14 B

Ipc: 7B 66F 9/22 A

17P Request for examination filed

Effective date: 20050727

AKX Designation fees paid

Designated state(s): DE IT NL SE

RBV Designated contracting states (corrected)

Designated state(s): DE GB IT NL SE

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 GB IT NL SE

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50209428

Country of ref document: DE

Date of ref document: 20070322

Kind code of ref document: P

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

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: 20071108

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

Ref country code: NL

Payment date: 20131128

Year of fee payment: 12

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 50209428

Country of ref document: DE

Owner name: BT PRODUCTS AB, SE

Free format text: FORMER OWNER: DAMBACH LAGERSYSTEME GMBH & CO. KG, 76571 GAGGENAU, DE

Effective date: 20140227

Ref country code: DE

Ref legal event code: R082

Ref document number: 50209428

Country of ref document: DE

Representative=s name: LICHTI PATENTANWAELTE, DE

Effective date: 20140227

Ref country code: DE

Ref legal event code: R082

Ref document number: 50209428

Country of ref document: DE

Representative=s name: LICHTI - PATENTANWAELTE PARTNERSCHAFT MBB, DE

Effective date: 20140227

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

Free format text: REGISTERED BETWEEN 20141113 AND 20141119

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20150601

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

Ref country code: NL

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

Effective date: 20150601

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

Ref country code: GB

Payment date: 20161102

Year of fee payment: 15

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

Ref country code: IT

Payment date: 20161122

Year of fee payment: 15

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

Effective date: 20171102

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: 20171102

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

Ref country code: GB

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

Effective date: 20171102

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

Ref country code: SE

Payment date: 20181122

Year of fee payment: 17

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

Ref country code: DE

Payment date: 20200130

Year of fee payment: 18

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: SE

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

Effective date: 20191103

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 50209428

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: 20210601