FR2559232A1 - Valve with a spherical butterfly - Google Patents
Valve with a spherical butterfly Download PDFInfo
- Publication number
- FR2559232A1 FR2559232A1 FR8401670A FR8401670A FR2559232A1 FR 2559232 A1 FR2559232 A1 FR 2559232A1 FR 8401670 A FR8401670 A FR 8401670A FR 8401670 A FR8401670 A FR 8401670A FR 2559232 A1 FR2559232 A1 FR 2559232A1
- Authority
- FR
- France
- Prior art keywords
- valve
- seal
- ring
- butterfly
- spring
- 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.)
- Granted
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
- 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
- F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
Abstract
Description
La présente invention est relative à une vanne à papillon sphérique. The present invention relates to a spherical butterfly valve.
L'état de la technique en la matière peut être illustré par le brevet Français N" 2 474 131 déposé à l'institut
National de la Propriété Industrielle le I8 Janvier I980 sous le N" 80 01 048
Dans ce brevet, on a décrit une vanne comportant un obturateur pivotant, ou papillon, dont la périphérie normalement en contact avec le siège de la vanne, était constituée par une surface sphérique, délimitée par deux plans parallèles entre eux et à celui dudit siège, le centre de la sphère étant situé sur l'axe de ce dernier.The state of the art in this area can be illustrated by French patent N "2 474 131 filed with the institute
National of Industrial Property on January I8, I980 under No. 80 01 048
In this patent, a valve has been described comprising a pivoting shutter, or butterfly, whose periphery normally in contact with the seat of the valve, was constituted by a spherical surface, delimited by two planes parallel to each other and to that of said seat, the center of the sphere being located on the axis of the latter.
Le siège de cette vanne était constitué par un joint torique du genre de ceux dont la section pouvait être déformée sous l'action d'un fluide sous pression
L'utilisation d'un tel joint demande l'emploi de deux fluides auxiliaires, par exemple de l'air comprimé et un fluide hydraulique intermédiaire.The seat of this valve consisted of an O-ring of the kind of which the section could be deformed under the action of a pressurized fluid
The use of such a seal requires the use of two auxiliary fluids, for example compressed air and an intermediate hydraulic fluid.
La présente invention élimine ces accessoires et est remarquable en ce que le joint, formant siège, est constitué principalement par un anneau métallique,présentant en section la forme d'un U à branches inégales dirigées vers l'extérieur, dans lequel est disposé un ressort à enroulement hélicoïdal. The present invention eliminates these accessories and is remarkable in that the seal, forming a seat, consists mainly of a metal ring, having in section the shape of a U with uneven branches directed towards the outside, in which a spring is arranged. with helical winding.
D'autres caractéristiques ressortiront mieux de la description qui va suivre, faite en se référant aux dessins annexés sur lesquels
La figure 1 est une vue en coupe d'une vanne conforme à l'invention;
La figure 2 est une vue partielle, à plus grande échelle, montrant l'ouverture de la vanne
Les figures 3 et 4 sont des vues partielles ,en coupe, montrant deux autres modes de réalisation.Other characteristics will emerge more clearly from the description which follows, made with reference to the appended drawings in which
Figure 1 is a sectional view of a valve according to the invention;
Figure 2 is a partial view, on a larger scale, showing the opening of the valve
Figures 3 and 4 are partial views, in section, showing two other embodiments.
En se reportant aux dessins, on voit que 1 est le corps de la vanne présentant un orifice central 2 de passage du fluide, susceptible d'être obturé par un papillon 3. Referring to the drawings, it can be seen that 1 is the valve body having a central orifice 2 for passage of the fluid, capable of being closed by a butterfly 3.
De la façon connue, la périphérie 3a du papillon est constituée par une surface sphérique dont le centre de la sphère génératrice est situé sur l'axe X-X1 de l'orifice 2. As is known, the periphery 3a of the butterfly is constituted by a spherical surface whose center of the generating sphere is located on the axis X-X1 of the orifice 2.
Selon l'invention, le siège du papillon est constitué par un joint 4 annulaire à section en forme d'U dont les branches inégales 5 et 6 sont dirigées vers l'extérieur, ledit joint faisant saillie dans l'orifice 2. According to the invention, the seat of the butterfly valve is constituted by an annular seal 4 with a U-shaped section, the unequal branches 5 and 6 of which are directed outwards, said seal protruding into the orifice 2.
Dans le joint 4, réalisé en un métal élastiquement déformable, est logé un ressort 7 à enroulement hélicoïdal dont les deux extrémités sont reliées l'une à l'autre de façon à former un anneau. In the seal 4, made of an elastically deformable metal, is housed a spring 7 with helical winding, the two ends of which are connected to each other so as to form a ring.
Le ressort 7 est maintenu partiellement par un anneau ouvert 8 logé dans une bague 9 rigide permettant de limiter l'ouverture de l'anneau 8 et de fixer le joint sur le corps de la vanne. The spring 7 is partially held by an open ring 8 housed in a rigid ring 9 making it possible to limit the opening of the ring 8 and to fix the seal on the valve body.
A cet effet, la bague 9, qui recouvre partiellement la branche 6 du joint, est plaquée contre l'extrémité du corps 1 par une contre-plaque 10 avec interposition de joints 11 et 12. To this end, the ring 9, which partially covers the branch 6 of the seal, is pressed against the end of the body 1 by a counter plate 10 with interposition of seals 11 and 12.
Si la pression qui s'éxerce sur la face 3b du papillon est supérieure à celle qui s'exerce sur celle 3c,l'obturateur tend à se déplacer vers le joint et à pénétrer dans ce dernier. If the pressure which is exerted on the face 3b of the butterfly is greater than that which is exerted on that 3c, the shutter tends to move towards the joint and to penetrate into the latter.
Cette pénétration est limitée par l'anneau 8 et par la bague 9 et la branche 5 du joint est plaquée contre la face interne lOa de la contre-plaque, le ressort 7 assurant dans les deux cas l'élasticité du joint. Par réaction, le joint 4 est plaqué contre la périphérie 3a du papillon. This penetration is limited by the ring 8 and by the ring 9 and the branch 5 of the seal is pressed against the internal face 10a of the counter-plate, the spring 7 ensuring in both cases the elasticity of the seal. By reaction, the seal 4 is pressed against the periphery 3a of the butterfly.
Si la pression qui s'exerce sur la face 3c est supérieure à celle qui s'exerce sur la face 3b, la branche 6 fléchit et le joint est appliqué contre le papillon 3. A cet effet, il faut noter que seule la partie la plus externe de la branche 6 est plaquée contre l'extrémité du corps l,celui-ci présentant une feuillure 13 permettant la flexion du joint. If the pressure exerted on the face 3c is greater than that exerted on the face 3b, the branch 6 flexes and the seal is applied against the butterfly 3. For this purpose, it should be noted that only the part more external of the branch 6 is pressed against the end of the body l, the latter having a rebate 13 allowing the joint to bend.
I1 ressort des explications ci-dessus que cette vanne peut assurer une étanchéité parfaite selon deux directions oppo sées. I1 emerges from the above explanations that this valve can provide a perfect seal in two opposite directions.
A cela s'ajoute le fait qu'elle peut être utilisée avec des fluides à très haute ou à très basse température, pratiquement de -150 C à +300"C puisque l'étanchéité est réa lisée exclusivement à l'aide d'organes métalliques. Added to this is the fact that it can be used with fluids at very high or very low temperatures, practically from -150 C to +300 "C since the sealing is carried out exclusively using organs metallic.
Selon une autre caractéristique de l'invention, le papillon est entraîné par un arbre 14 dont l'axe est décalé à la fois par rapport au plan médian du joint et par rapport à l'axe
X-X1 de la vanne.According to another characteristic of the invention, the butterfly is driven by a shaft 14 whose axis is offset both relative to the median plane of the joint and relative to the axis
X-X1 of the valve.
La trace de l'axe de l'arbre 14 apparaît en 15 sur les dessins. The trace of the axis of the tree 14 appears at 15 in the drawings.
De cette façon et comme cela ressort tout particulèrement de la figure 2, dès -que le papillon pivote sa périphérie 3a n'est plus en contact avec le joint. I1 en résulte qu'on supprime les frottements, entre le joint et la vanne, sources de détérioration de ces organe. In this way and as can be seen very particularly from FIG. 2, as soon as the butterfly pivots its periphery 3a is no longer in contact with the seal. I1 as a result that eliminates the friction between the seal and the valve, sources of deterioration of these body.
Bien entendu, la présente invention ne se limite pas au mode de réalisation décrit et représente mis s'étend, au contraire, à toutes variantes de formes et dimensions. Of course, the present invention is not limited to the embodiment described and represents mis extends, on the contrary, to all variants of shapes and dimensions.
C'est ainsi, entre autres, que comme montré sur la figure 3, l'étanchéité entre la vanne et l'extérieur peut être assurée par un joint torique 16 métallique. Thus, among other things, as shown in Figure 3, the seal between the valve and the outside can be ensured by a metal O-ring 16.
C'est ainsi, encore, que l'ensemble peut être complété par un joint d'étanchéité I7 en élastomère. Thus, again, the assembly can be completed with an elastomeric seal I7.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8401670A FR2559232B1 (en) | 1984-02-03 | 1984-02-03 | SPHERICAL BUTTERFLY VALVE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8401670A FR2559232B1 (en) | 1984-02-03 | 1984-02-03 | SPHERICAL BUTTERFLY VALVE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2559232A1 true FR2559232A1 (en) | 1985-08-09 |
FR2559232B1 FR2559232B1 (en) | 1986-08-22 |
Family
ID=9300738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8401670A Expired FR2559232B1 (en) | 1984-02-03 | 1984-02-03 | SPHERICAL BUTTERFLY VALVE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2559232B1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0292346A1 (en) * | 1987-05-20 | 1988-11-23 | APPLICATIONS MECANIQUES ET ROBINETTERIE INDUSTRIELLE A.M.R.I. Société anonyme dite: | Sealing element incorporating a reaction ring, especially for a stop valve |
FR2686136A1 (en) * | 1992-01-15 | 1993-07-16 | Alsthom Velan | Valve with metal seal, particularly butterfly valve |
WO1996030639A1 (en) * | 1995-03-31 | 1996-10-03 | Siemens Electric Limited | Butterfly valve for egr |
WO1997002446A1 (en) * | 1995-06-30 | 1997-01-23 | Fisher Controls International, Inc. | Torsionally loaded fluid seals for rotary valves |
EP0780608A1 (en) * | 1995-12-19 | 1997-06-25 | Miyairi, Kazuhiro | Butterfly valve |
US20110024661A1 (en) * | 2009-07-29 | 2011-02-03 | Claudio Dotta | Butterfly valve, preferably for a blow off circuit of a gas turbine plant |
WO2014123423A1 (en) * | 2013-02-06 | 2014-08-14 | Sitek As | Butterfly valve comprising removable coupling part |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB843845A (en) * | 1957-10-24 | 1960-08-10 | David F Wiseman & Sons Ltd | Improvements relating to butterfly valves |
FR2253959A1 (en) * | 1973-12-05 | 1975-07-04 | Valve Syst Int Inc | |
DE2644518A1 (en) * | 1975-10-02 | 1977-04-14 | Fisher Controls Co | HIGH TEMPERATURE RESISTANT BIDIRETIONAL METAL SEAL |
FR2331725A1 (en) * | 1975-11-14 | 1977-06-10 | Realmeca | Annular seat for butterfly and ball valves - has stainless steel envelope and asbestos filling to resist high temperatures and pressures |
GB1536837A (en) * | 1977-04-05 | 1978-12-20 | Kamyr Valves | Butterfly valve |
FR2398940A1 (en) * | 1977-07-26 | 1979-02-23 | Amri | DOUBLE FLEXIBLE O-RING |
FR2488363A1 (en) * | 1980-08-08 | 1982-02-12 | Somed | Mounting for unidirectional butterfly valve - includes pivoting flap which can move slightly on its shaft ensuring central seating |
EP0054473A1 (en) * | 1980-12-12 | 1982-06-23 | Gachot S.A. | Valve seal |
-
1984
- 1984-02-03 FR FR8401670A patent/FR2559232B1/en not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB843845A (en) * | 1957-10-24 | 1960-08-10 | David F Wiseman & Sons Ltd | Improvements relating to butterfly valves |
FR2253959A1 (en) * | 1973-12-05 | 1975-07-04 | Valve Syst Int Inc | |
DE2644518A1 (en) * | 1975-10-02 | 1977-04-14 | Fisher Controls Co | HIGH TEMPERATURE RESISTANT BIDIRETIONAL METAL SEAL |
FR2331725A1 (en) * | 1975-11-14 | 1977-06-10 | Realmeca | Annular seat for butterfly and ball valves - has stainless steel envelope and asbestos filling to resist high temperatures and pressures |
GB1536837A (en) * | 1977-04-05 | 1978-12-20 | Kamyr Valves | Butterfly valve |
FR2398940A1 (en) * | 1977-07-26 | 1979-02-23 | Amri | DOUBLE FLEXIBLE O-RING |
FR2488363A1 (en) * | 1980-08-08 | 1982-02-12 | Somed | Mounting for unidirectional butterfly valve - includes pivoting flap which can move slightly on its shaft ensuring central seating |
EP0054473A1 (en) * | 1980-12-12 | 1982-06-23 | Gachot S.A. | Valve seal |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0292346A1 (en) * | 1987-05-20 | 1988-11-23 | APPLICATIONS MECANIQUES ET ROBINETTERIE INDUSTRIELLE A.M.R.I. Société anonyme dite: | Sealing element incorporating a reaction ring, especially for a stop valve |
FR2615580A1 (en) * | 1987-05-20 | 1988-11-25 | Amri | REACTION RING SEAL TRIM INCORPORATES, IN PARTICULAR FOR SHUTTER |
FR2686136A1 (en) * | 1992-01-15 | 1993-07-16 | Alsthom Velan | Valve with metal seal, particularly butterfly valve |
US5249774A (en) * | 1992-01-15 | 1993-10-05 | Alsthom Velan | Valve having a metal seal, in particular a butterfly valve |
EP0566430A1 (en) * | 1992-01-15 | 1993-10-20 | Gec Alsthom-Velan | Metallic sealing for a butterfly valve |
WO1996030639A1 (en) * | 1995-03-31 | 1996-10-03 | Siemens Electric Limited | Butterfly valve for egr |
WO1997002446A1 (en) * | 1995-06-30 | 1997-01-23 | Fisher Controls International, Inc. | Torsionally loaded fluid seals for rotary valves |
EP0780608A1 (en) * | 1995-12-19 | 1997-06-25 | Miyairi, Kazuhiro | Butterfly valve |
US20110024661A1 (en) * | 2009-07-29 | 2011-02-03 | Claudio Dotta | Butterfly valve, preferably for a blow off circuit of a gas turbine plant |
WO2014123423A1 (en) * | 2013-02-06 | 2014-08-14 | Sitek As | Butterfly valve comprising removable coupling part |
Also Published As
Publication number | Publication date |
---|---|
FR2559232B1 (en) | 1986-08-22 |
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Legal Events
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TP | Transmission of property | ||
CA | Change of address | ||
ST | Notification of lapse |