EP2359013A4 - Device at a hydraulic cylinder - Google Patents

Device at a hydraulic cylinder

Info

Publication number: EP2359013A4
Authority: EP; European Patent Office
Prior art keywords: hydraulic cylinder; hydraulic; cylinder
Prior art date: 2008-12-19
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP09833721.5A

Other languages

German (de)

French (fr)

Other versions

EP2359013A1 (en

Inventor

Gert Gilstring

Marcus Ingemarsson

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.)

VAEDERSTAD-VERKEN AB

VAEDERSTAD VERKEN AB

Original Assignee

VAEDERSTAD-VERKEN AB

VAEDERSTAD VERKEN 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.)

2008-12-19

Filing date

2009-12-11

Publication date

2013-07-10

2009-12-11 Application filed by VAEDERSTAD-VERKEN AB, VAEDERSTAD VERKEN AB filed Critical VAEDERSTAD-VERKEN AB

2011-08-24 Publication of EP2359013A1 publication Critical patent/EP2359013A1/en

2013-07-10 Publication of EP2359013A4 publication Critical patent/EP2359013A4/en

Status Withdrawn legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/002—Sealings comprising at least two sealings in succession
- F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the leaking fluid
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
- F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
- 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
- F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/182—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with lubricating, cooling or draining means
- 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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/06—Details
- F15B7/10—Compensation of the liquid content in a system

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Actuator (AREA)

EP09833721.5A 2008-12-19 2009-12-11 Device at a hydraulic cylinder Withdrawn EP2359013A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE0850168A SE533598C2 (en)	2008-12-19	2008-12-19	Device on a hydraulic cylinder
PCT/SE2009/051402 WO2010071557A1 (en)	2008-12-19	2009-12-11	Device at a hydraulic cylinder

Publications (2)

Publication Number	Publication Date
EP2359013A1 EP2359013A1 (en)	2011-08-24
EP2359013A4 true EP2359013A4 (en)	2013-07-10

Family

ID=42269018

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09833721.5A Withdrawn EP2359013A4 (en)	2008-12-19	2009-12-11	Device at a hydraulic cylinder

Country Status (3)

Country	Link
EP (1)	EP2359013A4 (en)
SE (1)	SE533598C2 (en)
WO (1)	WO2010071557A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102022122724A1 (en) *	2022-09-07	2024-03-07	Nussbaum Automotive Lifts Gmbh	Hydraulic unit with overflow channel and lifting device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR993199A (en) *	1949-06-10	1951-10-29		Improvement in hydraulic or pneumatic servo-motors and application of these improved servo-motors to the connection of mounted tools with a tractor unit
US3229589A (en) *	1964-12-07	1966-01-18	Signode Corp	Impact tool and pneumatic piston return system therefor
US6186043B1 (en) *	1999-04-05	2001-02-13	Deere & Company	Cushion hydraulic cylinder
DE102005015420A1 (en) *	2004-04-05	2005-10-20	Hoerbiger Automatisierungstech	Working cylinder comprises a bushing penetrated by a piston rod and connected to one end piece of the cylinder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE441117C (en) *	1982-08-20	1987-12-21	Stark Crister	DEVICE FOR SYNCHRONIZATION OF CYLINDER PISTON
SE530030C2 (en) *	2006-06-29	2008-02-12	Vaederstad Verken Ab	Device on a hydraulic cylinder

2008
- 2008-12-19 SE SE0850168A patent/SE533598C2/en not_active IP Right Cessation
2009
- 2009-12-11 EP EP09833721.5A patent/EP2359013A4/en not_active Withdrawn
- 2009-12-11 WO PCT/SE2009/051402 patent/WO2010071557A1/en active Application Filing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR993199A (en) *	1949-06-10	1951-10-29		Improvement in hydraulic or pneumatic servo-motors and application of these improved servo-motors to the connection of mounted tools with a tractor unit
US3229589A (en) *	1964-12-07	1966-01-18	Signode Corp	Impact tool and pneumatic piston return system therefor
US6186043B1 (en) *	1999-04-05	2001-02-13	Deere & Company	Cushion hydraulic cylinder
DE102005015420A1 (en) *	2004-04-05	2005-10-20	Hoerbiger Automatisierungstech	Working cylinder comprises a bushing penetrated by a piston rod and connected to one end piece of the cylinder

Also Published As

Publication number	Publication date
EP2359013A1 (en)	2011-08-24
SE533598C2 (en)	2010-11-02
SE0850168A1 (en)	2010-06-20
WO2010071557A1 (en)	2010-06-24

Publication	Publication Date	Title
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GB2457352B (en)	2012-04-04	Hydraulic tensioner
EP2368663A4 (en)	2013-05-15	Working device
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EP2032860A4 (en)	2012-09-26	Device at a hydraulic cylinder
ZA200900871B (en)	2009-12-30	Pressure cylinder
PL2286649T3 (en)	2019-09-30	Hydraulic operation device
EP2359013A4 (en)	2013-07-10	Device at a hydraulic cylinder
GB2471737B (en)	2011-06-08	Hydraulic cylinder device
HK1182359A1 (en)	2013-11-29	Device for a hydraulic hammer
PL389098A1 (en)	2011-03-28	Hydraulic cylinder

Legal Events

Date	Code	Title	Description
2011-07-22	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
2011-08-24	17P	Request for examination filed	Effective date: 20110503
2011-08-24	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
2012-03-28	DAX	Request for extension of the european patent (deleted)
2013-07-10	A4	Supplementary search report drawn up and despatched	Effective date: 20130612
2013-07-10	RIC1	Information provided on ipc code assigned before grant	Ipc: F15B 15/14 20060101AFI20130606BHEP Ipc: F16J 15/18 20060101ALI20130606BHEP Ipc: F16J 15/00 20060101ALI20130606BHEP Ipc: F15B 7/10 20060101ALI20130606BHEP Ipc: F15B 15/20 20060101ALI20130606BHEP
2014-07-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2014-08-20	18D	Application deemed to be withdrawn	Effective date: 20140109