EP1844240A4 - Method and device for cleaning hydraulic valves - Google Patents

Method and device for cleaning hydraulic valves

Info

Publication number
EP1844240A4
EP1844240A4 EP06701544A EP06701544A EP1844240A4 EP 1844240 A4 EP1844240 A4 EP 1844240A4 EP 06701544 A EP06701544 A EP 06701544A EP 06701544 A EP06701544 A EP 06701544A EP 1844240 A4 EP1844240 A4 EP 1844240A4
Authority
EP
European Patent Office
Prior art keywords
hydraulic valves
cleaning hydraulic
cleaning
valves
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.)
Withdrawn
Application number
EP06701544A
Other languages
German (de)
French (fr)
Other versions
EP1844240A1 (en
Inventor
Mecklenburg Johan Von
Henrik Winther
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.)
Filing date
Publication date
Application filed by VAEDERSTAD-VERKEN AB, VAEDERSTAD VERKEN AB filed Critical VAEDERSTAD-VERKEN AB
Publication of EP1844240A1 publication Critical patent/EP1844240A1/en
Publication of EP1844240A4 publication Critical patent/EP1844240A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0323—Arrangements specially designed for simultaneous and parallel cleaning of a plurality of conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0325—Control mechanisms therefor
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/008—Valve failure
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K29/00—Arrangements for movement of valve members other than for opening and closing the valve, e.g. for grinding-in, for preventing sticking
    • 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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/655—Methods of contamination control, i.e. methods of control of the cleanliness of circuit components or of the pressure 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/865—Prevention of failures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Soil Working Implements (AREA)
EP06701544A 2005-02-02 2006-01-31 Method and device for cleaning hydraulic valves Withdrawn EP1844240A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0500262A SE527096C2 (en) 2005-02-02 2005-02-02 Hydraulic valve cleaning method, especially for agricultural machinery, uses piston cylinder device to generate alternating flow of fluid through valve
PCT/SE2006/000137 WO2006083215A1 (en) 2005-02-02 2006-01-31 Method and device for cleaning hydraulic valves

Publications (2)

Publication Number Publication Date
EP1844240A1 EP1844240A1 (en) 2007-10-17
EP1844240A4 true EP1844240A4 (en) 2012-05-23

Family

ID=35510836

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06701544A Withdrawn EP1844240A4 (en) 2005-02-02 2006-01-31 Method and device for cleaning hydraulic valves

Country Status (3)

Country Link
EP (1) EP1844240A4 (en)
SE (1) SE527096C2 (en)
WO (1) WO2006083215A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112014005498T5 (en) * 2013-12-03 2016-11-24 Fluid Automation Systems S.A. Oscillating valve and method for operating the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040025941A1 (en) * 2000-07-12 2004-02-12 Gebhard Wuerth Method and device for controlling at least one valve
DE10300414A1 (en) * 2002-08-27 2004-03-11 Continental Teves Ag & Co. Ohg Solenoid valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2552836B2 (en) * 1986-10-06 1996-11-13 株式会社小松製作所 Hydraulic circuit flushing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040025941A1 (en) * 2000-07-12 2004-02-12 Gebhard Wuerth Method and device for controlling at least one valve
DE10300414A1 (en) * 2002-08-27 2004-03-11 Continental Teves Ag & Co. Ohg Solenoid valve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2006083215A1 *

Also Published As

Publication number Publication date
SE0500262L (en) 2005-12-20
EP1844240A1 (en) 2007-10-17
SE527096C2 (en) 2005-12-20
WO2006083215A1 (en) 2006-08-10

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20070625

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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

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20120424

RIC1 Information provided on ipc code assigned before grant

Ipc: F16K 29/00 20060101ALI20120418BHEP

Ipc: F15B 20/00 20060101ALI20120418BHEP

Ipc: B08B 9/032 20060101ALI20120418BHEP

Ipc: B08B 9/02 20060101ALI20120418BHEP

Ipc: F15B 21/04 20060101AFI20120418BHEP

17Q First examination report despatched

Effective date: 20130123

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20130803