ATE261068T1 - LIFT DEVICE - Google Patents

LIFT DEVICE

Info

Publication number
ATE261068T1
ATE261068T1 AT01951615T AT01951615T ATE261068T1 AT E261068 T1 ATE261068 T1 AT E261068T1 AT 01951615 T AT01951615 T AT 01951615T AT 01951615 T AT01951615 T AT 01951615T AT E261068 T1 ATE261068 T1 AT E261068T1
Authority
AT
Austria
Prior art keywords
piston
valve unit
space
cavity
cylinder
Prior art date
Application number
AT01951615T
Other languages
German (de)
Inventor
Klaus Brugger
Georg Maximilian Brugger
Christina Brugger
Original Assignee
Klaus Brugger
Georg Maximilian Brugger
Christina Brugger
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 Klaus Brugger, Georg Maximilian Brugger, Christina Brugger filed Critical Klaus Brugger
Application granted granted Critical
Publication of ATE261068T1 publication Critical patent/ATE261068T1/en

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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Advancing Webs (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Noodles (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Tumbler Switches (AREA)
  • Braking Arrangements (AREA)
  • Types And Forms Of Lifts (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention relates to a lifting device comprising a cylinder (102) with a cavity (104). A piston element (106) is arranged in the cavity (104) of the cylinder (102) and comprises a piston section (110) and a rod section (112). The piston section (110) subdivides the cavity of the cylinder into a piston-head space (114) and into a piston ring-space (116). A valve unit (118) is assigned to the piston element (106) and is closed until a predetermined pressure in the piston-head space (114) is reached in order to separate the piston-head space (114) from the piston-ring space (116). Otherwise, the valve unit (118) can be freely flown through. The valve unit (118) is arranged such that a pressure in the piston-ring space (116) does not act on the valve unit (118) in a direction along which the piston element (104) can be displaced.
AT01951615T 2000-06-21 2001-06-20 LIFT DEVICE ATE261068T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10030545A DE10030545A1 (en) 2000-06-21 2000-06-21 lifting device
PCT/EP2001/006985 WO2001098671A1 (en) 2000-06-21 2001-06-20 Lifting device

Publications (1)

Publication Number Publication Date
ATE261068T1 true ATE261068T1 (en) 2004-03-15

Family

ID=7646490

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01951615T ATE261068T1 (en) 2000-06-21 2001-06-20 LIFT DEVICE

Country Status (9)

Country Link
EP (1) EP1295042B8 (en)
AT (1) ATE261068T1 (en)
AU (1) AU2001272496A1 (en)
DE (2) DE10030545A1 (en)
DK (1) DK1295042T3 (en)
ES (1) ES2215917T3 (en)
PT (1) PT1295042E (en)
TR (1) TR200401212T4 (en)
WO (1) WO2001098671A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0513278D0 (en) * 2005-07-01 2005-08-03 Delphi Tech Inc Head restraint system
WO2007003267A2 (en) * 2005-07-01 2007-01-11 Delphi Technologies, Inc. Triggering device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812577A (en) * 1928-04-27 1931-06-30 Rogers Products Company Inc Lifting jack
FR1067966A (en) * 1951-09-11 1954-06-21 Sperry Gyroscope Co Ltd Hydraulic servomotor usable in particular with automatic pilot devices for airplanes
US3450006A (en) * 1968-01-29 1969-06-17 Timberjack Machines Ltd Cylinder and piston assembly with automatic power release
FR2547290B1 (en) * 1983-06-07 1987-04-30 Rassant Sa Ets F HYDRAULIC JACK WITH IMPROVED TRAVEL LIMITER
DE19627974C2 (en) * 1996-07-11 2003-02-06 Getrag Getriebe Zahnrad Hydraulic actuator and method for bleeding a hydraulic actuator
DE29900850U1 (en) * 1999-01-20 1999-04-29 Festo AG & Co, 73734 Esslingen Fluid operated linear actuator

Also Published As

Publication number Publication date
PT1295042E (en) 2004-07-30
EP1295042B8 (en) 2004-09-15
EP1295042A1 (en) 2003-03-26
WO2001098671A1 (en) 2001-12-27
TR200401212T4 (en) 2004-08-23
EP1295042B1 (en) 2004-03-03
DE50101629D1 (en) 2004-04-08
ES2215917T3 (en) 2004-10-16
DK1295042T3 (en) 2004-07-12
DE10030545A1 (en) 2002-01-10
AU2001272496A1 (en) 2002-01-02

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
EEWE Authorization for restitution