DE69707449D1 - Verfahren zur überwachung des zustands eines regelventils sowie ventilvorrichtung - Google Patents

Verfahren zur überwachung des zustands eines regelventils sowie ventilvorrichtung

Info

Publication number
DE69707449D1
DE69707449D1 DE69707449T DE69707449T DE69707449D1 DE 69707449 D1 DE69707449 D1 DE 69707449D1 DE 69707449 T DE69707449 T DE 69707449T DE 69707449 T DE69707449 T DE 69707449T DE 69707449 D1 DE69707449 D1 DE 69707449D1
Authority
DE
Germany
Prior art keywords
monitoring
state
valve
control valve
valve device
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.)
Expired - Fee Related
Application number
DE69707449T
Other languages
English (en)
Other versions
DE69707449T2 (de
Inventor
Mika Metso
Jouni Pyoetsiae
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.)
Valmet Automation Oy
Original Assignee
Neles Controls Oy
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 Neles Controls Oy filed Critical Neles Controls Oy
Application granted granted Critical
Publication of DE69707449D1 publication Critical patent/DE69707449D1/de
Publication of DE69707449T2 publication Critical patent/DE69707449T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • 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
    • F15B19/00Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
    • F15B19/005Fault detection or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/16Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
    • F16K31/163Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
    • F16K31/1635Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
    • 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
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6306Electronic controllers using input signals representing a pressure
    • F15B2211/6309Electronic controllers using input signals representing a pressure the pressure being a pressure source supply 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
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6306Electronic controllers using input signals representing a pressure
    • F15B2211/6313Electronic controllers using input signals representing a pressure the pressure being a load 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
    • F15B2211/60Circuit components or control therefor
    • F15B2211/63Electronic controllers
    • F15B2211/6303Electronic controllers using input signals
    • F15B2211/6336Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
    • 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
    • F15B2211/7053Double-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
    • F15B2211/80Other types of control related to particular problems or conditions
    • F15B2211/857Monitoring of fluid pressure systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/72Testing of electric windings
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8158With indicator, register, recorder, alarm or inspection means
    • Y10T137/8175Plural
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8158With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225Position or extent of motion indicator
    • Y10T137/8242Electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Control Of Fluid Pressure (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Safety Devices In Control Systems (AREA)
DE69707449T 1996-06-11 1997-06-09 Verfahren zur überwachung des zustands eines regelventils sowie ventilvorrichtung Expired - Fee Related DE69707449T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI962406A FI104129B (fi) 1996-06-11 1996-06-11 Menetelmä säätöventtiilin kunnon valvomiseksi
PCT/FI1997/000359 WO1997048026A2 (en) 1996-06-11 1997-06-09 A method for surveying the condition of a control valve, and a valve apparatus

Publications (2)

Publication Number Publication Date
DE69707449D1 true DE69707449D1 (de) 2001-11-22
DE69707449T2 DE69707449T2 (de) 2002-11-14

Family

ID=8546182

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69707449T Expired - Fee Related DE69707449T2 (de) 1996-06-11 1997-06-09 Verfahren zur überwachung des zustands eines regelventils sowie ventilvorrichtung

Country Status (7)

Country Link
US (1) US6131609A (de)
EP (1) EP0904573B1 (de)
JP (1) JP3885118B2 (de)
DE (1) DE69707449T2 (de)
ES (1) ES2168638T3 (de)
FI (1) FI104129B (de)
WO (1) WO1997048026A2 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116587B (fi) 1997-10-17 2005-12-30 Metso Automation Oy Menetelmä ja laitteisto turvalaitteen toimintakunnon todentamiseksi
JP3511458B2 (ja) * 1997-12-08 2004-03-29 株式会社山武 電空ポジショナ
JP3530775B2 (ja) * 1999-07-16 2004-05-24 Smc株式会社 電磁弁の動作管理装置
DE20005744U1 (de) * 2000-03-28 2000-10-05 Icops Ind & Cyber Operation Se Vorrichtung zur Ventilüberwachung
US6640688B1 (en) 2000-08-25 2003-11-04 Tyco Flow Control, Inc. Actuator assembly
US6435022B1 (en) * 2001-02-09 2002-08-20 Tareq Nasser Albuaijan Partial stroke testing system
US6382226B1 (en) * 2001-04-17 2002-05-07 Fisher Controls International, Inc. Method for detecting broken valve stem
JP4344884B2 (ja) * 2001-11-01 2009-10-14 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ 超過圧力防止システム
US6678584B2 (en) 2002-05-03 2004-01-13 Fisher Controls International Llc Method and apparatus for performing diagnostics in a control loop of a control valve
US6999853B2 (en) * 2002-05-03 2006-02-14 Fisher Controls International Llc. Methods and apparatus for operating and performing diagnostics in a control loop of a control valve
US7044011B2 (en) * 2003-04-30 2006-05-16 Honeywell International, Inc. Test fixture assembly for directional pilot valve and related method
US7124057B2 (en) * 2003-08-19 2006-10-17 Festo Corporation Method and apparatus for diagnosing a cyclic system
WO2005078544A1 (en) * 2004-02-05 2005-08-25 Rosemount Inc. Emergency shutdown valve diagnostics using a pressure transmitter
US8072343B2 (en) * 2005-03-31 2011-12-06 Saudi Arabian Oil Company Local emergency isolation valve controller with diagnostic testing and trouble indicator
US7504961B2 (en) * 2005-03-31 2009-03-17 Saudi Arabian Oil Company Emergency isolation valve controller with integral fault indicator
DE102005028810A1 (de) 2005-06-22 2007-01-04 Robert Bosch Gmbh Verfahren zur automatisierten Prüfung eines Stellers
US20070034264A1 (en) * 2005-08-12 2007-02-15 Stonel Corporation Apparatus for valve communication and control
US8366402B2 (en) * 2005-12-20 2013-02-05 Schlumberger Technology Corporation System and method for determining onset of failure modes in a positive displacement pump
US7405917B2 (en) * 2006-06-16 2008-07-29 Festo Ag & Co. Method and apparatus for monitoring and determining the functional status of an electromagnetic valve
US7539560B2 (en) * 2007-01-05 2009-05-26 Dresser, Inc. Control valve and positioner diagnostics
US7975718B2 (en) * 2007-04-16 2011-07-12 Applied Materials, Inc. In-situ monitor of injection valve
US7752914B2 (en) * 2007-11-15 2010-07-13 Venturedyne, Ltd. Monitoring of independent vibrators
US8955365B2 (en) * 2008-12-23 2015-02-17 Embraer S.A. Performance monitoring and prognostics for aircraft pneumatic control valves
FI125797B (fi) * 2009-01-09 2016-02-29 Metso Flow Control Oy Menetelmä ja laitteisto venttiilin kunnonvalvontaan
US20100264868A1 (en) * 2009-04-15 2010-10-21 Stephen George Seberger Methods and apparatus to couple an electro-pneumatic controller to a position transmitter in a process control system
WO2010140930A1 (en) * 2009-06-02 2010-12-09 Linde Ag Diagnostic system for a flow valve in an industrial furnace
US8453674B2 (en) * 2010-03-12 2013-06-04 Target Rock Division Of Curtiss-Wright Flow Control Corporation Valve fault indication and control
GB2480423A (en) * 2010-03-15 2011-11-23 Jena Rotary Technolgy Ltd Valve system
WO2011135155A1 (en) * 2010-04-30 2011-11-03 Metso Automation Oy Control valve diagnostics
CN102384303B (zh) * 2010-08-31 2014-11-26 金子产业株式会社 截止阀控制系统
US8421643B2 (en) * 2010-12-01 2013-04-16 Fisher Controls International Llc Automatic valve seating integrity test
US8973595B2 (en) * 2011-08-01 2015-03-10 Control Microsystems, Inc. Battery-powered control valve and operation thereof
EP2739888A4 (de) * 2011-08-01 2015-07-15 Control Microsystems Inc Batteriebetriebenes steuerventil und seine bedienung
US8924028B2 (en) 2011-08-01 2014-12-30 Control Microsystems, Inc. Battery-powered control valve and operation thereof
DE102011052901B4 (de) * 2011-08-22 2020-07-09 Samson Ag Partial Stoke Test für ein Stellgerät
US9250632B2 (en) * 2011-12-30 2016-02-02 Sti Srl Valve positioning system with bleed prevention
US9170238B2 (en) * 2013-01-04 2015-10-27 Fisher Controls International Llc Acoustic fluid valve calibration
US9309992B2 (en) * 2013-03-15 2016-04-12 Sdb Ip Holdings, Llc System for detecting that a valve should be replaced and a method of use thereof
JP6088457B2 (ja) * 2014-03-11 2017-03-01 アズビル株式会社 ポジショナ
GB2528891A (en) * 2014-08-01 2016-02-10 Chargepoint Technology Ltd Operator feedback of valves
US9933088B2 (en) * 2015-06-10 2018-04-03 Woodward, Inc. Rotary actuated valve with position indicator
US10557564B2 (en) * 2017-01-07 2020-02-11 Saudi Arabian Oil Company Locally-actuated partial stroke testing system
FI128783B (en) * 2018-09-03 2020-12-15 Metso Flow Control Oy Valve positioner and diagnostic method
JP6783486B1 (ja) * 2020-03-17 2020-11-11 金子産業株式会社 機械学習装置、データ処理システム、推論装置及び機械学習方法
CN111350870A (zh) * 2020-03-18 2020-06-30 中石化第十建设有限公司 一种控制阀气源失效检测设备校验方法
US11788934B2 (en) 2020-07-01 2023-10-17 Saudi Arabian Oil Company In-line fluid and solid sampling within flowlines
US11692903B2 (en) 2020-10-01 2023-07-04 Saudi Arabian Oil Company Valve diagnostic and performance system
US11441697B2 (en) 2020-10-01 2022-09-13 Saudi Arabian Oil Company Valve diagnostic and performance system
US11976771B2 (en) 2021-10-05 2024-05-07 Saudi Arabian Oil Company Sealing pig launcher doors
US11865928B2 (en) 2021-11-24 2024-01-09 Saudi Arabian Oil Company Generating power with a conduit inspection tool

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029122A (en) * 1976-03-11 1977-06-14 Westinghouse Electric Corporation Apparatus and method for determining friction forces in position modulated valves
US4274438A (en) * 1979-02-21 1981-06-23 Westinghouse Electric Corp. Method of diagnostic valve testing
US4523286A (en) * 1981-08-07 1985-06-11 Hitachi, Ltd. Apparatus for making diagnosis of valve device in turbine system
US4694390A (en) * 1985-06-28 1987-09-15 Electric Power Research Institute, Inc. Microprocessor-based control and diagnostic system for motor operated valves
FI72584C (fi) * 1985-09-04 1987-06-08 Neles Oy Ventil.
GB8620357D0 (en) * 1986-08-21 1986-10-01 Apv Int Ltd Flow control valve
KR890007306A (ko) * 1987-10-30 1989-06-19 제트.엘.더머 온라인 밸브 진단 감시 시스템
US5197328A (en) * 1988-08-25 1993-03-30 Fisher Controls International, Inc. Diagnostic apparatus and method for fluid control valves
US4926903A (en) * 1989-05-05 1990-05-22 Tomoe Technical Research Company Butterfly valve having a function for measuring a flow rate and method of measuring a flow rate with a butterfly valve
US5253185A (en) * 1991-01-30 1993-10-12 Combustion Engineering, Inc. Valve diagnostic system including auxiliary transducer box
US5492009A (en) * 1991-03-11 1996-02-20 Siemens Aktiengesellschaft Method and apparatus for testing a valve actuated by an electromagnet having an armature
US5329956A (en) * 1993-05-28 1994-07-19 Combustion Engineering, Inc. Pneumatic operated valve stroke timing
DE4326343A1 (de) * 1993-08-05 1995-02-09 Honeywell Ag Diganose-System für Regel- und Absperrarmaturen
US5549137A (en) * 1993-08-25 1996-08-27 Rosemount Inc. Valve positioner with pressure feedback, dynamic correction and diagnostics
AU7634494A (en) * 1993-09-15 1995-04-03 Combustion Engineering Inc. Diagnostic data acquisitioner for a valve
US5469737A (en) * 1993-12-20 1995-11-28 Westinghouse Electric Corporation Method and apparatus for measuring the axial load and position of a valve stem
IT1265319B1 (it) * 1993-12-22 1996-10-31 Nuovo Pignone Spa Sistema perfezionato di comando dell'attuatore di una valvola pneumatica
DE69515096T2 (de) * 1994-10-18 2000-07-20 Neles Controls Oy Helsinki Verfahren und Vorrichtung zur Ermittlung eines Fehlers einer Steuerventilanordnung in einem Regelkreis
US5992229A (en) * 1996-02-05 1999-11-30 Neles-Jamesbury Oy Method and equipment for determining the performance of control valve

Also Published As

Publication number Publication date
WO1997048026A2 (en) 1997-12-18
EP0904573B1 (de) 2001-10-17
DE69707449T2 (de) 2002-11-14
FI104129B1 (fi) 1999-11-15
JP3885118B2 (ja) 2007-02-21
EP0904573A2 (de) 1999-03-31
US6131609A (en) 2000-10-17
ES2168638T3 (es) 2002-06-16
JP2001522482A (ja) 2001-11-13
FI104129B (fi) 1999-11-15
FI962406A0 (fi) 1996-06-11
FI962406A (fi) 1998-01-05
WO1997048026A3 (en) 1998-02-05

Similar Documents

Publication Publication Date Title
DE69707449D1 (de) Verfahren zur überwachung des zustands eines regelventils sowie ventilvorrichtung
DE69627297D1 (de) Verfahren und Einrichtung zur Bestimmung der Leistung eines Steuerventils
DE69739563D1 (de) Verfahren und einrichtung zur steuerung eines kommionen
DE69525179T2 (de) Verfahren und vorrichtung zur einspritzventilregelung
DE59503972D1 (de) Vorrichtung und Verfahren zur Beeinflussung eines Ventils
DE69801106T2 (de) Verfahren und vorrichtung zur niederdruckzerstäubung
DE69509898D1 (de) Durchflussregelventilsteuervorrichtung und Verfahren zur Herstellung eines Durchflussregelventils
DE69823088D1 (de) Überwachung der Dichtungsintegrität sowie Verfahren und Vorrichtung zur adaptiven Kontrolle
DE69421901T2 (de) Verfahren und vorrichtung zum steuern eines entspannungsventils
DE59505419D1 (de) Verfahren und Einrichtung zur Druckregelung
DE69700728D1 (de) Verfahren und Vorrichtung zur Lageerhaltung eines Satelliten
DE69719699D1 (de) Frachtforderungsvorrichtung und Verfahren zur Wegeinstellung eines Krans
DE69833917D1 (de) Druckapparat und Verfahren zur Drucksteuerung
DE69523717T2 (de) Verfahren und vorrichtung zur richtungssteuerung eines objektes
DE59702716D1 (de) Verfahren und vorrichtung zur ansteuerung eines magnetventils
DE59801395D1 (de) Verfahren zur manipulationssicheren konfigurierung eines kfz-steuergerätes sowie steuergerät
DE59405116D1 (de) Verfahren und vorrichtung zur fernbedienung
DE69729107D1 (de) Vorrichtung und verfahren zur kalibrierung eines schwimmerventils
DE69220422D1 (de) Verfahren und Gerät zur Drucksteuerung
DE59609974D1 (de) Verfahren und vorrichtung zur überwachung der funktionsweise eines katalysators
DE69521959T2 (de) Gerät und Verfahren zur Drucksteuerung
DE69523829T2 (de) Gerät und Verfahren zur Rekonstruktion eines beschnittenen A-Niveau-Signals
DE59710530D1 (de) Verfahren und Vorrichtung zur Überwachung der Stellung einer variablen Ventilsteuerung
DE69610031D1 (de) Gerät und Verfahren zur Drucksteuerung
DE69523802D1 (de) Verfahren und Vorrichtung zur Flüssigkeitssteuerung

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: METSO FIELD SYSTEMS OY, HELSINKI, FI

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee