NL7302537A - - Google Patents

Info

Publication number
NL7302537A
NL7302537A NL7302537A NL7302537A NL7302537A NL 7302537 A NL7302537 A NL 7302537A NL 7302537 A NL7302537 A NL 7302537A NL 7302537 A NL7302537 A NL 7302537A NL 7302537 A NL7302537 A NL 7302537A
Authority
NL
Netherlands
Application number
NL7302537A
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 filed Critical
Publication of NL7302537A publication Critical patent/NL7302537A/xx

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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/08—Check valves with guided rigid valve members shaped as rings
    • F16K15/12—Springs for ring valves
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • 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]
    • Y10T137/7854—In couplings for coaxial conduits, e.g., drill pipe check valves
    • Y10T137/7856—Valve seat formed on or carried by a coupling element
    • 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]
    • Y10T137/7859—Single head, plural ports in parallel
    • Y10T137/786—Concentric ports
    • 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]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve
    • Y10T137/7938—Guide means integral and coplanar with valve disk

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
NL7302537A 1972-02-28 1973-02-23 NL7302537A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00229736A US3804114A (en) 1972-02-28 1972-02-28 Check valve

Publications (1)

Publication Number Publication Date
NL7302537A true NL7302537A (ja) 1973-08-30

Family

ID=22862494

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7302537A NL7302537A (ja) 1972-02-28 1973-02-23

Country Status (16)

Country Link
US (1) US3804114A (ja)
JP (1) JPS5127486B2 (ja)
AR (1) AR195416A1 (ja)
AT (1) AT325364B (ja)
AU (1) AU469547B2 (ja)
BE (1) BE795173A (ja)
BR (1) BR7301483D0 (ja)
CA (1) CA976835A (ja)
CH (1) CH553358A (ja)
DE (1) DE2306231A1 (ja)
ES (1) ES412099A1 (ja)
FR (1) FR2173970B1 (ja)
GB (1) GB1397654A (ja)
IT (1) IT977508B (ja)
NL (1) NL7302537A (ja)
SE (1) SE386715B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0645108Y2 (ja) * 1987-05-29 1994-11-16 エスエムシー株式会社 逆止め弁
US5234027A (en) * 1992-08-31 1993-08-10 Ugi Corporation Fluid flow inhibitor for use in a static flow system device
US20130340861A1 (en) * 2012-06-20 2013-12-26 Caterpillar Inc Check valve of fuel system
JP6298702B2 (ja) * 2014-04-28 2018-03-20 日立アプライアンス株式会社 一方向弁およびそれを備える流体システム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE386966C (de) * 1923-12-19 Heinrich Christiansen Freifliegendes Steuerventil fuer Zweitaktmotoren
US1525861A (en) * 1922-12-27 1925-02-10 John B Franklin Check valve for liquid-fuel tanks
US2103427A (en) * 1935-09-18 1937-12-28 Fred R Long Combined pipe union and ball check valve
US2129963A (en) * 1937-02-20 1938-09-13 Ray Engineering Company Valve
US2223994A (en) * 1938-03-12 1940-12-03 Pump Engineering Service Corp Check valve
US2430427A (en) * 1943-11-10 1947-11-04 Katcher Morris Check valve
US2585773A (en) * 1949-05-05 1952-02-12 Campbell Hausfeld Company Valve
US2935082A (en) * 1954-08-18 1960-05-03 Andrew J Richardson Anti-syphon valve for commode tanks
US3203455A (en) * 1961-02-20 1965-08-31 Marryat & Place Ltd Syringe for injecting small measured volumes of liquid
US3417904A (en) * 1966-01-11 1968-12-24 Fischer & Porter Co Syringe and method of making same
CH470616A (de) * 1968-09-18 1969-03-31 Wahli Marcel Rückschlagventil

Also Published As

Publication number Publication date
CA976835A (en) 1975-10-28
ES412099A1 (es) 1976-05-16
JPS4899725A (ja) 1973-12-17
FR2173970B1 (ja) 1977-12-30
AR195416A1 (es) 1973-10-08
FR2173970A1 (ja) 1973-10-12
AT325364B (de) 1975-10-27
GB1397654A (en) 1975-06-18
AU5149573A (en) 1974-08-01
JPS5127486B2 (ja) 1976-08-13
IT977508B (it) 1974-09-20
BR7301483D0 (pt) 1974-05-16
CH553358A (de) 1974-08-30
AU469547B2 (en) 1976-02-19
BE795173A (fr) 1973-05-29
DE2306231A1 (de) 1973-09-13
US3804114A (en) 1974-04-16
SE386715B (sv) 1976-08-16

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