FI74336B - Excentrisk ventil med sjaelvcentrerande saete. - Google Patents

Excentrisk ventil med sjaelvcentrerande saete. Download PDF

Info

Publication number
FI74336B
FI74336B FI840558A FI840558A FI74336B FI 74336 B FI74336 B FI 74336B FI 840558 A FI840558 A FI 840558A FI 840558 A FI840558 A FI 840558A FI 74336 B FI74336 B FI 74336B
Authority
FI
Finland
Prior art keywords
valve
sealing
ring
seat ring
pressure
Prior art date
Application number
FI840558A
Other languages
English (en)
Finnish (fi)
Other versions
FI74336C (sv
FI840558A0 (fi
FI840558A (fi
Inventor
Ronald Ray Brestel
Dale Leroy Meyer
Original Assignee
Fisher Controls Int
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 Fisher Controls Int filed Critical Fisher Controls Int
Publication of FI840558A0 publication Critical patent/FI840558A0/fi
Publication of FI840558A publication Critical patent/FI840558A/fi
Application granted granted Critical
Publication of FI74336B publication Critical patent/FI74336B/fi
Publication of FI74336C publication Critical patent/FI74336C/sv

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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/204—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the plugs or parts of the plugs mechanically pressing the seals against the housing
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/228—Movable sealing bodies
    • F16K1/2285—Movable sealing bodies the movement being caused by the flowing medium
    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0673—Composite packings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)

Claims (11)

1. Vätskeventil omfattande: en stomme (11) med en ventilkammare, vilken definie-5 rar en huvudsakligen cirkelrund vätskeport (13), som etab-lerar en första axel i ventilkammaren, lager (56, 57) i stommen (11), vilka definierar en andra axel i ventilkammaren, vilken axel gär vinkelrätt mot och är förskjuten frän den första axeln, 10 ett ventilskaft (54), vilket roterbart monterats i lagren (56, 57) och sträcker sig ytterom stommen (11), en ventilplugg (51), vilken har en sfäriskt konvex tätningsyta och monterats pä ventilskaftet (54) för begrän-sad excentrisk rörelse kring en andra axel mot och bort frän 15 porten som gensvar pä rörelse hos ventilskaftet (54), en separat ringformig sätesring (20) , vilken lämpar sig för tätande samverkan med den sfäriskt konvexa tätnings-ytan av ventilpluggen (51) för blockering av vätskeström-ningen genom porten (13), 20 kännetecknad av en fördjupning (30) i stommen (11), vilken fördjupning uppbär den ringformiga sätesringen (20) för begränsad rörelse bäde axiellt utmed och pä tvären av den första axeln av porten (13) sä, att ventilpluggen (51) försöker centrera den 25 runda sätesringen under stängandet av ventilen, och en trycktätningsanordning (24) mellan den ringformiga sätesringen (20) och stommen (11) för blockering av vätske-läckage.
2. Ventil enligt patentkravet 1, känneteck-30 n a d därav, att trycktätningsanordningen (24) ökar sin verkan med tryck.
3. Ventil enligt patentkravet 1, kännetecknad därav, att ringformiga sätesringen (20) och stommen (11) inkluderar ett ringformigt spär (21) för kvarhällande 35 av tryckintätningsanordningen (24) .
4. Ventil enligt patentkravet 3, känneteck- 18 74336 n a d därav, att hällarmedlet omfattar ett parti av stommen under definierade av en första tätningsyta (31), vilken samverkar med trycktätningsanordningen (24), och att det ytterligare inkluderar en hällarring (40), vilken 5 är fäst vid stommen i kammaren och definierar en andra tätningsyta (43) , vilken samverkar med sätesringen (20).
5. Ventil enligt patentkravet 4, känneteck-n a d därav, att trycktätningsanordningen inkluderar tvä huvudsakligen "C'-formade tätningar (24), och att en ränna 10 anordnats invid den ena tätningsytan för kvarhällande av tätningarna.
6. Ventil enligt patentkravet 3, känneteck-n a d därav, att trycktätningarna (24) placerats för att inverka pä den yttre periferiska ytan av den ringformiga 15 sätesringen (520) och att de betstär av tvä motsatt var-andra vända, huvudsakligen f1-formade tätningar (24).
7. Ventil enligt patentkravet 5, känneteck-n a d därav, att den ringformiga sätesringen inkluderar en första ringformig ränna (21) för kvarhällande av den 20 första trycktätningen för samverkan med den första tätningsytan (31), och en andra ringformig ränna (23) för kvarhällande av den andra trycktätningen för samverkan med den andra tätningsytan (43).
8. Ventil enligt patentkravet 7, känneteck-25 n a d därav, att stommen (11) inkluderar en ansats (32), vilken erbjuder en stoppare för hällarringen (40) och definierar ett avständ mellan den första och den andra tätningsytan, varvid den ringformiga sätesringen (20) har en tjocklek som är nägot mindre än det nämnda avständet och 30 ^formade tätningarna ästadkommer tätningsverkan över ett avständ som är större än den nämnda skillnaden.
9. Ventil enligt patentkravet 4, känneteck-n a d därav, att trycktätningsanordningen omfattar ett par av huvudsakligen t^formade runda tätningsringar och 35 att en första ringformig ränna (33) utformats i stompartiet och en andra ringformig ränna (44) i hällarringen, varvid
FI840558A 1983-02-14 1984-02-13 Excentrisk ventil med självcentrerande säte. FI74336C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46618683 1983-02-14
US06/466,186 US4519579A (en) 1983-02-14 1983-02-14 Cam valve self-centering seat

Publications (4)

Publication Number Publication Date
FI840558A0 FI840558A0 (fi) 1984-02-13
FI840558A FI840558A (fi) 1984-08-15
FI74336B true FI74336B (fi) 1987-09-30
FI74336C FI74336C (sv) 1988-01-11

Family

ID=23850843

Family Applications (1)

Application Number Title Priority Date Filing Date
FI840558A FI74336C (sv) 1983-02-14 1984-02-13 Excentrisk ventil med självcentrerande säte.

Country Status (6)

Country Link
US (1) US4519579A (sv)
EP (1) EP0116530B1 (sv)
JP (1) JPS59205072A (sv)
CA (1) CA1225980A (sv)
DE (1) DE3463077D1 (sv)
FI (1) FI74336C (sv)

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Also Published As

Publication number Publication date
DE3463077D1 (en) 1987-05-14
FI74336C (sv) 1988-01-11
US4519579A (en) 1985-05-28
CA1225980A (en) 1987-08-25
JPS59205072A (ja) 1984-11-20
EP0116530A1 (en) 1984-08-22
EP0116530B1 (en) 1987-04-08
FI840558A0 (fi) 1984-02-13
JPH0326296B2 (sv) 1991-04-10
FI840558A (fi) 1984-08-15

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Owner name: FISHER CONTROLS INTERNATIONAL, INC.