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 (cg-RX-API-DMAC7.html)

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 (cg-RX-API-DMAC7.html) 1973-08-30

Family

ID=22862494

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7302537A NL7302537A (cg-RX-API-DMAC7.html) 1972-02-28 1973-02-23

Country Status (16)

Country Link
US (1) US3804114A (cg-RX-API-DMAC7.html)
JP (1) JPS5127486B2 (cg-RX-API-DMAC7.html)
AR (1) AR195416A1 (cg-RX-API-DMAC7.html)
AT (1) AT325364B (cg-RX-API-DMAC7.html)
AU (1) AU469547B2 (cg-RX-API-DMAC7.html)
BE (1) BE795173A (cg-RX-API-DMAC7.html)
BR (1) BR7301483D0 (cg-RX-API-DMAC7.html)
CA (1) CA976835A (cg-RX-API-DMAC7.html)
CH (1) CH553358A (cg-RX-API-DMAC7.html)
DE (1) DE2306231A1 (cg-RX-API-DMAC7.html)
ES (1) ES412099A1 (cg-RX-API-DMAC7.html)
FR (1) FR2173970B1 (cg-RX-API-DMAC7.html)
GB (1) GB1397654A (cg-RX-API-DMAC7.html)
IT (1) IT977508B (cg-RX-API-DMAC7.html)
NL (1) NL7302537A (cg-RX-API-DMAC7.html)
SE (1) SE386715B (cg-RX-API-DMAC7.html)

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
JPS4899725A (cg-RX-API-DMAC7.html) 1973-12-17
BE795173A (fr) 1973-05-29
BR7301483D0 (pt) 1974-05-16
AU469547B2 (en) 1976-02-19
AU5149573A (en) 1974-08-01
CA976835A (en) 1975-10-28
US3804114A (en) 1974-04-16
GB1397654A (en) 1975-06-18
AT325364B (de) 1975-10-27
SE386715B (sv) 1976-08-16
JPS5127486B2 (cg-RX-API-DMAC7.html) 1976-08-13
CH553358A (de) 1974-08-30
IT977508B (it) 1974-09-20
FR2173970B1 (cg-RX-API-DMAC7.html) 1977-12-30
AR195416A1 (es) 1973-10-08
DE2306231A1 (de) 1973-09-13
FR2173970A1 (cg-RX-API-DMAC7.html) 1973-10-12
ES412099A1 (es) 1976-05-16

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