EP3152445A4 - Hydraulic cylinder - Google Patents

Hydraulic cylinder Download PDF

Info

Publication number
EP3152445A4
EP3152445A4 EP15807025.0A EP15807025A EP3152445A4 EP 3152445 A4 EP3152445 A4 EP 3152445A4 EP 15807025 A EP15807025 A EP 15807025A EP 3152445 A4 EP3152445 A4 EP 3152445A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic cylinder
hydraulic
cylinder
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
EP15807025.0A
Other languages
German (de)
French (fr)
Other versions
EP3152445A1 (en
EP3152445B1 (en
Inventor
Roger Gustavsson
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.)
Thordab Industri Innovation AB
Original Assignee
Thordab Industri Innovation AB
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 Thordab Industri Innovation AB filed Critical Thordab Industri Innovation AB
Publication of EP3152445A1 publication Critical patent/EP3152445A1/en
Publication of EP3152445A4 publication Critical patent/EP3152445A4/en
Application granted granted Critical
Publication of EP3152445B1 publication Critical patent/EP3152445B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • E02F9/2217—Hydraulic or pneumatic drives with energy recovery arrangements, e.g. using accumulators, flywheels
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • F15B11/0365—Tandem constructions
    • 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
    • F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
    • 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
    • F15B15/1433—End caps
    • 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
    • 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/227—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having an auxiliary cushioning piston within the main piston or the cylinder end face
    • 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
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/2207—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing or compensating oscillations
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • 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
    • F15B15/1457—Piston rods
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8613—Control during or prevention of abnormal conditions the abnormal condition being oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
EP15807025.0A 2014-06-09 2015-06-08 Hydraulic cylinder Active EP3152445B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1400288A SE538615C2 (en) 2014-06-09 2014-06-09 Hydraulcylinder
PCT/SE2015/000035 WO2015190972A1 (en) 2014-06-09 2015-06-08 Hydraulic cylinder

Publications (3)

Publication Number Publication Date
EP3152445A1 EP3152445A1 (en) 2017-04-12
EP3152445A4 true EP3152445A4 (en) 2018-02-21
EP3152445B1 EP3152445B1 (en) 2021-02-17

Family

ID=54833939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15807025.0A Active EP3152445B1 (en) 2014-06-09 2015-06-08 Hydraulic cylinder

Country Status (3)

Country Link
EP (1) EP3152445B1 (en)
SE (1) SE538615C2 (en)
WO (1) WO2015190972A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676331B (en) * 2017-10-31 2019-07-30 重庆维庆液压机械有限公司 A kind of hydraulic cylinder for discharging
AU2018203763A1 (en) 2018-05-29 2019-12-19 Turnbull, Sam Dominic Seaton MR Intrascopic Cylinder
FR3086014B1 (en) * 2018-09-14 2020-12-11 Frederic Rivas PROCESS FOR MANUFACTURING A HYDRAULIC CYLINDER AND CYLINDER OBTAINED BY LEDIT PROCEDE
DE102019108451B3 (en) 2019-04-01 2020-07-02 Schwing Gmbh Piston rod unit, hydraulic cylinder and articulated mast
SE545282C2 (en) * 2019-09-02 2023-06-20 Thordab Ind Innovation Ab Energy efficient hydraulic cylinder
IT201900020685A1 (en) * 2019-11-12 2021-05-12 De Hieronymis Carlo Maria Rozzi HYDRAULIC EQUIPMENT, AND RELATIVE METHOD, FOR THE RECOVERY OF ENERGY IN AN OPERATING MACHINE

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624318A (en) * 1946-06-24 1953-01-06 Rheem Mfg Co Pneumatic servomotor
US3678805A (en) * 1969-11-25 1972-07-25 Henry Walter Weyman Pneumatic cylinder assemblies
US4526088A (en) * 1980-05-07 1985-07-02 Stabilus Gmbh Fluid-operated actuating device
US5219152A (en) * 1990-06-13 1993-06-15 Messier-Bugatti Adjustable-stroke spring and shock absorber device
EP1371857A1 (en) * 2002-06-14 2003-12-17 VEP Automation S.r.l. Double-acting pneumatic cylinder with hydraulic damper

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7441405B2 (en) * 2006-03-31 2008-10-28 Caterpillar Inc. Cylinder with internal pushrod
US7478489B2 (en) * 2006-06-01 2009-01-20 Deere & Company Control system for an electronic float feature for a loader
DE102007061294A1 (en) * 2007-12-10 2009-06-18 Thomas Sauer Hydraulic cylinder has three lifting chambers and piston-shaped lifting chamber, which has fluid opening to hydraulic pipe on working machine side lying in bore of piston rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624318A (en) * 1946-06-24 1953-01-06 Rheem Mfg Co Pneumatic servomotor
US3678805A (en) * 1969-11-25 1972-07-25 Henry Walter Weyman Pneumatic cylinder assemblies
US4526088A (en) * 1980-05-07 1985-07-02 Stabilus Gmbh Fluid-operated actuating device
US5219152A (en) * 1990-06-13 1993-06-15 Messier-Bugatti Adjustable-stroke spring and shock absorber device
EP1371857A1 (en) * 2002-06-14 2003-12-17 VEP Automation S.r.l. Double-acting pneumatic cylinder with hydraulic damper

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015190972A1 *

Also Published As

Publication number Publication date
SE538615C2 (en) 2016-10-04
SE1400288A1 (en) 2016-02-03
WO2015190972A1 (en) 2015-12-17
EP3152445A1 (en) 2017-04-12
EP3152445B1 (en) 2021-02-17

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