NO793644L - Innstillbar avlastningsventil. - Google Patents

Innstillbar avlastningsventil.

Info

Publication number
NO793644L
NO793644L NO793644A NO793644A NO793644L NO 793644 L NO793644 L NO 793644L NO 793644 A NO793644 A NO 793644A NO 793644 A NO793644 A NO 793644A NO 793644 L NO793644 L NO 793644L
Authority
NO
Norway
Prior art keywords
valve
piston
inlet
piston member
pressure
Prior art date
Application number
NO793644A
Other languages
English (en)
Norwegian (no)
Inventor
Norman Lavaughn Freeman Jr
Original Assignee
Halliburton Co
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 Halliburton Co filed Critical Halliburton Co
Publication of NO793644L publication Critical patent/NO793644L/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
    • E21B33/14—Methods or devices for cementing, for plugging holes, crevices or the like for cementing casings into boreholes
    • 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
    • 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
    • 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
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y10T137/7839—Dividing and recombining in a single flow path
    • 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
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y10T137/7841—One valve carries head and seat for second valve
    • 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
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7838—Plural
    • Y10T137/7846—Mechanically interconnected
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/87981—Common actuator
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures
    • Y10T137/88022—One valve head provides seat for other head
    • Y10T137/8803—Also carries head of other valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
NO793644A 1978-11-13 1979-11-12 Innstillbar avlastningsventil. NO793644L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/959,985 US4248265A (en) 1978-11-13 1978-11-13 Adjustable relief valve

Publications (1)

Publication Number Publication Date
NO793644L true NO793644L (no) 1980-05-14

Family

ID=25502649

Family Applications (1)

Application Number Title Priority Date Filing Date
NO793644A NO793644L (no) 1978-11-13 1979-11-12 Innstillbar avlastningsventil.

Country Status (9)

Country Link
US (1) US4248265A (it)
AU (1) AU5268379A (it)
BR (1) BR7904936A (it)
CA (1) CA1114265A (it)
DE (1) DE2940111A1 (it)
GB (1) GB2035514B (it)
IT (1) IT1122112B (it)
NL (1) NL7904513A (it)
NO (1) NO793644L (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982762A (en) * 1989-03-15 1991-01-08 Deere & Company Hydraulic lift with weight transfer
US4920732A (en) * 1989-03-15 1990-05-01 Deere & Company Hydraulic lift with weight transfer
GB9213371D0 (en) * 1992-06-24 1992-08-05 Exploration & Prod Serv Improved pressure relief valve
US7017605B2 (en) * 2003-06-06 2006-03-28 Trw Automotive U.S. Llc Valve assembly
JP2009504994A (ja) * 2005-08-09 2009-02-05 スタックポール リミテッド 圧力リリーフバルブ
US8210156B2 (en) * 2009-07-01 2012-07-03 Ford Global Technologies, Llc Fuel system with electrically-controllable mechanical pressure regulator
US8689828B2 (en) * 2011-07-25 2014-04-08 National Coupling Company, Inc. Hydraulic coupling member with pressure-relieving poppet valve
WO2013059777A1 (en) 2011-10-21 2013-04-25 Sun Hydraulics Corporation Dynamically adjusting counterbalance valve
US9850919B2 (en) * 2014-09-16 2017-12-26 Sun Hydraulics Corporation Counterbalance valve with dual or triple pilot ratio

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US382643A (en) * 1888-05-08 Safety-valve
US2292294A (en) * 1940-10-07 1942-08-04 Lincoln Eng Co Relief valve
US2520893A (en) * 1944-03-16 1950-08-29 Merit Engineering Inc Relief valve
US2674260A (en) * 1950-02-13 1954-04-06 H A Thrush & Company Water relief valve
US2821996A (en) * 1953-09-10 1958-02-04 Merit Engineering Inc Relief valve
US2860662A (en) * 1955-09-21 1958-11-18 Marcel E Gres Quick acting, accurate sensing, variable setting poppet valve
US3073585A (en) * 1959-04-11 1963-01-15 Hanle Eugen Annular spring
US3277920A (en) * 1963-11-05 1966-10-11 Gen Metals Corp Engine relief and testing valve

Also Published As

Publication number Publication date
US4248265A (en) 1981-02-03
CA1114265A (en) 1981-12-15
DE2940111A1 (de) 1980-05-29
NL7904513A (nl) 1980-05-16
BR7904936A (pt) 1980-10-14
IT7924247A0 (it) 1979-07-10
GB2035514B (en) 1982-11-24
IT1122112B (it) 1986-04-23
GB2035514A (en) 1980-06-18
AU5268379A (en) 1980-05-22

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