CA2917479C - Internal relief valve apparatus for use with loading regulators - Google Patents

Internal relief valve apparatus for use with loading regulators Download PDF

Info

Publication number
CA2917479C
CA2917479C CA2917479A CA2917479A CA2917479C CA 2917479 C CA2917479 C CA 2917479C CA 2917479 A CA2917479 A CA 2917479A CA 2917479 A CA2917479 A CA 2917479A CA 2917479 C CA2917479 C CA 2917479C
Authority
CA
Canada
Prior art keywords
relief valve
loading
pressure
regulator
chamber
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.)
Active
Application number
CA2917479A
Other languages
English (en)
French (fr)
Other versions
CA2917479A1 (en
Inventor
James Chester Hawkins
David E. Woollums
Tung Kim Nguyen
Gregory Lawrence Foust
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.)
Emerson Process Management Regulator Technologies Inc
Original Assignee
Emerson Process Management Regulator Technologies Inc
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 Emerson Process Management Regulator Technologies Inc filed Critical Emerson Process Management Regulator Technologies Inc
Publication of CA2917479A1 publication Critical patent/CA2917479A1/en
Application granted granted Critical
Publication of CA2917479C publication Critical patent/CA2917479C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
    • F16K17/105—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main valve
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/04—Control of fluid pressure without auxiliary power
    • G05D16/06—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
    • G05D16/063—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane
    • G05D16/0644—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator
    • G05D16/0663—Control of fluid pressure without auxiliary power the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule the sensing element being a membrane the membrane acting directly on the obturator using a spring-loaded membrane with a spring-loaded slideable obturator
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2607—With pressure reducing inlet valve
    • Y10T137/261—Relief port through common sensing means
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7754—Line flow effect assisted
    • Y10T137/7755—Reactor surface normal to flow
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7758—Pilot or servo controlled
    • Y10T137/7762—Fluid pressure type
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7809—Reactor surface separated by apertured partition
    • Y10T137/782—Reactor surface is diaphragm
    • Y10T137/7821—With valve closing bias
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7822—Reactor surface closes chamber
    • Y10T137/7823—Valve head in inlet chamber
    • Y10T137/7826—With valve closing bias
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7834—Valve seat or external sleeve moves to open valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Fluid Pressure (AREA)
  • Safety Valves (AREA)
CA2917479A 2008-12-17 2009-11-19 Internal relief valve apparatus for use with loading regulators Active CA2917479C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/337,252 US8485213B2 (en) 2008-12-17 2008-12-17 Internal relief valve apparatus for use with loading regulators
US12/337,252 2008-12-17
CA2745242A CA2745242C (en) 2008-12-17 2009-11-19 Internal relief valve apparatus for use with loading regulators

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2745242A Division CA2745242C (en) 2008-12-17 2009-11-19 Internal relief valve apparatus for use with loading regulators

Publications (2)

Publication Number Publication Date
CA2917479A1 CA2917479A1 (en) 2010-07-08
CA2917479C true CA2917479C (en) 2017-09-26

Family

ID=41649967

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2917479A Active CA2917479C (en) 2008-12-17 2009-11-19 Internal relief valve apparatus for use with loading regulators
CA2745242A Active CA2745242C (en) 2008-12-17 2009-11-19 Internal relief valve apparatus for use with loading regulators

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2745242A Active CA2745242C (en) 2008-12-17 2009-11-19 Internal relief valve apparatus for use with loading regulators

Country Status (9)

Country Link
US (1) US8485213B2 (cg-RX-API-DMAC10.html)
EP (1) EP2376991B1 (cg-RX-API-DMAC10.html)
JP (3) JP5615841B2 (cg-RX-API-DMAC10.html)
CN (2) CN102257449B (cg-RX-API-DMAC10.html)
AR (1) AR074740A1 (cg-RX-API-DMAC10.html)
BR (1) BRPI0922594B1 (cg-RX-API-DMAC10.html)
CA (2) CA2917479C (cg-RX-API-DMAC10.html)
RU (1) RU2521739C2 (cg-RX-API-DMAC10.html)
WO (1) WO2010077472A2 (cg-RX-API-DMAC10.html)

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Also Published As

Publication number Publication date
CN105135014A (zh) 2015-12-09
JP2012512488A (ja) 2012-05-31
WO2010077472A3 (en) 2010-08-19
CA2745242C (en) 2016-03-15
JP5615841B2 (ja) 2014-10-29
EP2376991B1 (en) 2017-01-04
JP5922734B2 (ja) 2016-05-24
US8485213B2 (en) 2013-07-16
CN102257449A (zh) 2011-11-23
CA2745242A1 (en) 2010-07-08
US20100147400A1 (en) 2010-06-17
CA2917479A1 (en) 2010-07-08
BRPI0922594A2 (pt) 2015-12-22
BRPI0922594B1 (pt) 2019-09-17
JP2015008013A (ja) 2015-01-15
WO2010077472A2 (en) 2010-07-08
RU2521739C2 (ru) 2014-07-10
EP2376991A2 (en) 2011-10-19
JP2016157469A (ja) 2016-09-01
AR074740A1 (es) 2011-02-09
RU2011127084A (ru) 2013-01-27
CN102257449B (zh) 2015-08-19

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