CA2447001A1 - Method for detecting broken valve stem - Google Patents

Method for detecting broken valve stem Download PDF

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Publication number
CA2447001A1
CA2447001A1 CA002447001A CA2447001A CA2447001A1 CA 2447001 A1 CA2447001 A1 CA 2447001A1 CA 002447001 A CA002447001 A CA 002447001A CA 2447001 A CA2447001 A CA 2447001A CA 2447001 A1 CA2447001 A1 CA 2447001A1
Authority
CA
Canada
Prior art keywords
valve stem
set point
change
process value
plug
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
CA002447001A
Other languages
French (fr)
Other versions
CA2447001C (en
Inventor
Brent H. Larson
Harry A. Burns
Larry Keith Brown
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.)
Fisher Controls International LLC
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2447001A1 publication Critical patent/CA2447001A1/en
Application granted granted Critical
Publication of CA2447001C publication Critical patent/CA2447001C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16K37/0025Electrical or magnetic means
    • F16K37/0041Electrical or magnetic means for measuring valve parameters
    • 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
    • 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
    • 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
    • Y10T137/0318Processes
    • 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
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7758Pilot or servo controlled
    • Y10T137/7759Responsive to change in rate of fluid flow
    • 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
    • Y10T137/7722Line condition change responsive valves
    • Y10T137/7758Pilot or servo controlled
    • Y10T137/7761Electrically actuated valve
    • 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

Abstract

A method of providing an indication and alarm of a possible failure in a fluid control valve stem, plug or seat in a process control system having a microprocessor based valve positioner. The drive pressure, drive signal and valve position feedback are monitored. If greater than a predetermined change in the drive pressure or the valve position feedback is detected, then a second series of detection steps is initiated. In the second detection steps the present set point to process value relationship, such as flow rate or other process variable is compared to a stored test cycle derived set point to process value relationship for the same set point. If there is a process value change, then the operator is alerted as this change may indicate there is a damaged valve stem, plug, or seat problem which needs to be inspected.
CA 2447001 2001-04-17 2002-03-21 Method for detecting broken valve stem Expired - Lifetime CA2447001C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/836,307 US6382226B1 (en) 2001-04-17 2001-04-17 Method for detecting broken valve stem
US09/836,307 2001-04-17
PCT/US2002/008791 WO2002084157A1 (en) 2001-04-17 2002-03-21 Method for detecting broken valve stem

Publications (2)

Publication Number Publication Date
CA2447001A1 true CA2447001A1 (en) 2002-10-24
CA2447001C CA2447001C (en) 2008-01-22

Family

ID=25271680

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2447001 Expired - Lifetime CA2447001C (en) 2001-04-17 2002-03-21 Method for detecting broken valve stem

Country Status (9)

Country Link
US (1) US6382226B1 (en)
EP (1) EP1379803B1 (en)
JP (1) JP4088160B2 (en)
CN (1) CN1288376C (en)
BR (1) BRPI0208604B1 (en)
CA (1) CA2447001C (en)
DE (1) DE60211325T2 (en)
MX (1) MXPA03009287A (en)
WO (1) WO2002084157A1 (en)

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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
US6909281B2 (en) 2002-07-03 2005-06-21 Fisher Controls International Llc Position sensor using a compound magnetic flux source
BRPI0407499B1 (en) * 2003-02-21 2017-12-19 Fisher Controls International Llc POSITION SENSOR ASSEMBLY, AND, METHOD FOR DETECTING RELATIVE POSITION
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US20050205824A1 (en) * 2004-03-18 2005-09-22 Osborne Charles A Segmented ball control valve with universal end connections
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US20100051110A1 (en) * 2008-09-04 2010-03-04 Ch2M Hill, Inc. Gas actuated valve
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US8127060B2 (en) 2009-05-29 2012-02-28 Invensys Systems, Inc Methods and apparatus for control configuration with control objects that are fieldbus protocol-aware
US8463964B2 (en) 2009-05-29 2013-06-11 Invensys Systems, Inc. Methods and apparatus for control configuration with enhanced change-tracking
TWI435196B (en) 2009-10-15 2014-04-21 Pivotal Systems Corp Method and apparatus for gas flow control
CN103038559B (en) * 2010-04-30 2015-08-19 美卓自动化有限公司 The diagnosis of control valve
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US9400004B2 (en) 2010-11-29 2016-07-26 Pivotal Systems Corporation Transient measurements of mass flow controllers
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JP6415457B2 (en) * 2013-02-25 2018-10-31 レイヴ エヌ.ピー. インコーポレイテッド Smart valve
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US9465391B2 (en) * 2014-01-09 2016-10-11 Fisher Controls International Llc Valve positioner with overpressure protection capabilities
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Also Published As

Publication number Publication date
BR0208604A (en) 2004-03-02
DE60211325D1 (en) 2006-06-14
BRPI0208604B1 (en) 2016-10-25
DE60211325T2 (en) 2007-04-26
EP1379803A1 (en) 2004-01-14
CN1503884A (en) 2004-06-09
WO2002084157A1 (en) 2002-10-24
JP2005502824A (en) 2005-01-27
CN1288376C (en) 2006-12-06
EP1379803B1 (en) 2006-05-10
CA2447001C (en) 2008-01-22
MXPA03009287A (en) 2004-01-29
JP4088160B2 (en) 2008-05-21
US6382226B1 (en) 2002-05-07

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EEER Examination request
MKEX Expiry

Effective date: 20220321