FR2742515A1 - DEVICE WITH A VALVE FOR CONTROLLING THE FLOW OF A FLUID, PARTICULARLY FOR AN AIR CONDITIONING SYSTEM FOR A VEHICLE - Google Patents
DEVICE WITH A VALVE FOR CONTROLLING THE FLOW OF A FLUID, PARTICULARLY FOR AN AIR CONDITIONING SYSTEM FOR A VEHICLE Download PDFInfo
- Publication number
- FR2742515A1 FR2742515A1 FR9515590A FR9515590A FR2742515A1 FR 2742515 A1 FR2742515 A1 FR 2742515A1 FR 9515590 A FR9515590 A FR 9515590A FR 9515590 A FR9515590 A FR 9515590A FR 2742515 A1 FR2742515 A1 FR 2742515A1
- Authority
- FR
- France
- Prior art keywords
- valve
- duct
- conduit
- fluid
- air conditioning
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 17
- 238000004378 air conditioning Methods 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 239000002991 molded plastic Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000011343 solid material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000006261 foam material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000012858 resilient material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00664—Construction or arrangement of damper doors
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
La présente invention concerne un dispositif de régulation de la circulation d'un fluide, notamment destiné à une installation de conditionnement d'air pour véhicule. The present invention relates to a device for regulating the circulation of a fluid, in particular intended for an air conditioning installation for a vehicle.
Bien que plus particulièrement développée pour de telles applications, la présente invention n'est toutefois pas limitée à un tel domaine et elle pourra être utilisée dans tous les secteurs de l'activité économique dans lesquels on est amené à contrôler le débit d'un fluide. Although more particularly developed for such applications, the present invention is not however limited to such a field and it can be used in all sectors of economic activity in which it is necessary to control the flow of a fluid. .
Actuellement, on connaît de nombreux dispositifs de conditionnement permettant de régler la quantité d'air délivré. Ils comprennent généralement un volet pivotant autour d'un axe de manière à obturer progressivement un conduit tubulaire, intégré dans un réseau de distribution du fluide. Currently, many conditioning devices are known for adjusting the amount of air delivered. They generally comprise a flap pivoting around an axis so as to gradually close off a tubular conduit, integrated in a fluid distribution network.
En outre, ledit volet et ledit conduit sont généralement formés d'un matériau rigide. Afin d'assurer une bonne étanchéité entre ces deux éléments lorsqu'ils sont en contact, il est ainsi nécessaire d'adjoindre au volet une lèvre en matière souple qui est supposée épouser les parois intérieures du conduit. In addition, said flap and said conduit are generally formed of a rigid material. In order to ensure a good seal between these two elements when they are in contact, it is thus necessary to add to the shutter a lip made of flexible material which is supposed to marry the interior walls of the duct.
Les dispositifs actuellement connus présentent donc l'inconvénient d'être de fabrication coûteuse. En effet, ils entraînent une augmentation du nombre de pièces et d'opérations de montage à mettre en oeuvre. Currently known devices therefore have the disadvantage of being expensive to manufacture. Indeed, they lead to an increase in the number of parts and mounting operations to be implemented.
De plus, la fixation de la lèvre sur le volet amenant des risques de décollement, de tels dispositifs sont généralement fragiles. In addition, the fixing of the lip on the flap bringing risks of detachment, such devices are generally fragile.
II est également à noter que les surfaces en vis-à-vis dudit volet et dudit conduit présentent souvent des défauts géométriques trop importants et empêchent donc la lèvre d'étanchéité de remplir sa fonction de manière parfaitement efficace. It should also be noted that the surfaces facing said flap and said conduit often have excessively large geometric defects and therefore prevent the sealing lip from fulfilling its function perfectly effectively.
Par ailleurs, les dispositifs actuellement connus sont généralement bruyants, notamment en raison de sifflements d'air, ou lorsque les installations dans lesquelles ils sont intégrés sont soumises à des vibrations. Furthermore, the devices currently known are generally noisy, in particular due to the whistling of air, or when the installations in which they are integrated are subjected to vibrations.
Le but de la présente invention est de proposer un dispositif de régulation de la circulation d'un fluide qui pallie les inconvénients précités et dont la conception soit facilitée sans toutefois nuire à sa fiabilité. The object of the present invention is to provide a device for regulating the circulation of a fluid which overcomes the aforementioned drawbacks and the design of which is facilitated without however affecting its reliability.
Un autre but de la présente invention est de proposer un dispositif de régulation de la circulation d'un fluide dont le temps de vie soit augmenté. Another object of the present invention is to provide a device for regulating the circulation of a fluid whose life time is increased.
Un autre but de la présente invention est de proposer un dispositif de régulation de la circulation d'un fluide dont l'étanchéité soit améliorée. Another object of the present invention is to provide a device for regulating the circulation of a fluid whose sealing is improved.
Un autre but de la présente invention est de proposer un dispositif de régulation de la circulation d'un fluide permettant d'abaisser le niveau de bruit dans l'installation ou ledit dispositif fonctionne. Another object of the present invention is to provide a device for regulating the circulation of a fluid making it possible to lower the noise level in the installation where said device operates.
Un autre but de la présente invention est de proposer un dispositif de régulation de la circulation d'un fluide qui, en cas d'application au domaine des véhicules automobiles, permet de participer à la simplification des procédés de fabrication des tableaux de bord. Another object of the present invention is to provide a device for regulating the circulation of a fluid which, when applied to the field of motor vehicles, makes it possible to participate in the simplification of the methods of manufacturing dashboards.
D'autres buts et . avantages de la présente invention apparaîtront au cours de la description qui va suivre qui n'est donnée qu'à titre indificatif et qui n'a pas pour but de la limiter. Other goals and. Advantages of the present invention will appear during the description which follows which is given only for information and which is not intended to limit it.
La présente invention concerne un dispositif de régulation de la circulation d'un fluide, notamment destiné à une installation de conditionnement d'air pour véhicule, comprenant au moins un conduit et un clapet, apte à permettre l'obturation dudit conduit, caractérisé par le fait que ledit conduit est constitué d'une matière dont l'élasticité permet sa déformation au contact dudit clapet de manière à assurer l'étanchéité de l'obturation. The present invention relates to a device for regulating the circulation of a fluid, in particular intended for an air conditioning installation for a vehicle, comprising at least one duct and a valve, capable of allowing the closing of said duct, characterized by fact that said duct is made of a material whose elasticity allows its deformation in contact with said valve so as to seal the closure.
La présente invention sera mieux comprise si l'on se réfère à la description suivante accompagnée des dessins en annexe qui en font partie intégrante. The present invention will be better understood if reference is made to the following description accompanied by the accompanying drawings which form an integral part thereof.
La figure 1 illustre, de manière schématique, en vue de coupe axiale, un exemple de dispositif de régulation de la circulation d'un fluide conforme à l'invention. Figure 1 schematically illustrates, in axial section view, an example of a device for regulating the circulation of a fluid according to the invention.
La figure 2 détaille, de manière schématique, en vue de coupe, la zone repérée Il à la figure 1. FIG. 2 schematically details, in section view, the zone marked II in FIG. 1.
La présente invention concerne un dispositif de régulation de la circulation d'un fluide, notamment destiné à une installation de conditionnement d'air, par exemple pour habitacle intérieur de véhicule automobile. The present invention relates to a device for regulating the circulation of a fluid, in particular intended for an air conditioning installation, for example for an interior passenger compartment of a motor vehicle.
Par conditionnement d'air, il faut entendre, de manière générale, aération, chauffage etlou climatisation du volume dans lequel le dispositif est employé. By air conditioning is meant, in general, ventilation, heating and / or air conditioning of the volume in which the device is used.
Cela étant, bien que plus particulièrement développé pour des applications dans le domaine des véhicules automobiles, il est à noter que la présente invention pourra également être utilisée dans tous les secteurs de l'activité économique dans lesquels on est amené à contrôler le débit d'un fluide. However, although more particularly developed for applications in the field of motor vehicles, it should be noted that the present invention may also be used in all sectors of economic activity in which it is necessary to control the flow of a fluid.
A la figure 1, on constate que le dispositif 1 de régulation de la circulation d'un fluide, conforme à l'invention, comprend au moins un conduit 2 et un clapet 3, apte à permettre l'obturation dudit conduit 2, par exemple par rotation d'un axe 4 dudit clapet 3, notamment selon la flèche repérée 5. In FIG. 1, it can be seen that the device 1 for regulating the circulation of a fluid, in accordance with the invention, comprises at least one conduit 2 and a valve 3, capable of allowing the obturation of said conduit 2, for example by rotation of an axis 4 of said valve 3, in particular along the arrow marked 5.
Pour cela, ledit axe 4 coopère, par exemple, avec un palier 6, assujetti au conduit 2. Des moyens de commande, non représentés, permettent d'actionner le clapet 3 à l'intérieur dudit palier 6 et d'obturer ainsi le conduit 2, notamment de manière totale et/ou partielle en fonction du débit désiré de fluide. For this, said axis 4 cooperates, for example, with a bearing 6, subject to the conduit 2. Control means, not shown, allow to actuate the valve 3 inside said bearing 6 and thus close the conduit 2, in particular totally and / or partially depending on the desired fluid flow rate.
A ce sujet, le palier 6 est constitué, notamment, par une pièce assujettie au conduit 2, soit par montage mécanique, soit par surmoulage. In this regard, the bearing 6 is constituted, in particular, by a part subject to the duct 2, either by mechanical mounting, or by overmolding.
Selon l'invention, le conduit 2 est constitué d'une matière dont l'élasticité permet sa déformation au contact du clapet 3 de manière à assurer l'étanchéité de l'oburation. According to the invention, the conduit 2 is made of a material whose elasticity allows its deformation in contact with the valve 3 so as to seal the closure.
Ainsi, comme détaillé à la figure 2, grâce à ses propriétés d'élasticité, le matériau constituant le conduit 2 est, par exemple, localement comprimé dans les zones où il est en contact avec le clapet 3 en position fermée. Cette légère compression permet à la surface dudit conduit 2 d'épouser parfaitement celle du clapet 3 en vis-à-vis et d'assurer une étanchéïté fiable du dispositif. Thus, as detailed in FIG. 2, thanks to its elasticity properties, the material constituting the conduit 2 is, for example, locally compressed in the areas where it is in contact with the valve 3 in the closed position. This slight compression allows the surface of said conduit 2 to perfectly match that of the valve 3 opposite and to ensure reliable sealing of the device.
Le blocage du clapet 3 en position d'obturation est obtenu, notamment, par un cran de verrouillage prévu au niveau des moyens de commande. The locking of the valve 3 in the closed position is obtained, in particular, by a locking notch provided at the level of the control means.
A ce sujet, il faudra veiller à ce que, notamment grâce audit cran de verrouillage, le clapet 3 ne puisse déformer la matière du conduit 2 audelà de sa limite d'élasticité. In this regard, it will be necessary to ensure that, in particular by virtue of said locking notch, the valve 3 cannot deform the material of the duct 2 beyond its elastic limit.
Selon l'exemple illustré de mise en oeuvre de l'invention, le conduit 2 présente, au niveau de ses parois internes 7, une zone d'appui 8, notamment réalisée dans sa masse, constituant un siège 9 pour le clapet 3. According to the illustrated example of implementation of the invention, the duct 2 has, at its internal walls 7, a support zone 8, in particular made in its mass, constituting a seat 9 for the valve 3.
Ladite zone d'appui 8 est, par exemple, orientée perpendiculairement auxdites parois 7 du conduit 2.Said support zone 8 is, for example, oriented perpendicular to said walls 7 of the duct 2.
Selon d'autres modes de mise en oeuvre de l'invention, la zone d'appui 8 présente une inclinaison différente par rapport aux parois 7. According to other embodiments of the invention, the support area 8 has a different inclination relative to the walls 7.
Le conduit 2 est constitué, par exemple, d'un matériau, notamment souple, en mousse etlou en polymère expansé. II pourra s'agir de polypropyléne, de polystyrène etlou autre. The duct 2 is made, for example, of a material, in particular flexible, of foam and / or of expanded polymer. It may be polypropylene, polystyrene and / or other.
Le clapet 3 est constitué, par exemple, d'un matériau, notamment rigide, en plastique moulé etlou en métal ou alliage métallique. II pourra s'agir, entre autres, de polypropylène etlou de polyamide dans le premier cas ou d'acier dans le deuxième cas. The valve 3 is made, for example, of a material, in particular rigid, of molded plastic and / or metal or metal alloy. It may be, inter alia, polypropylene and / or polyamide in the first case or steel in the second case.
Selon un mode particulier de mise en oeuvre de l'invention, le conduit est constitué, notamment au niveau de la zone d'appui 8, d'une matière localement plus maléable. Cette dernière sera obtenue, par exemple, par moussage. Elle permettra d'améliorer encore la coopération entre les surfaces en vis-à-vis du conduit 2 et du clapet 3 et ainsi de favoriser l'étanchéité de manière supplémentaire. According to a particular embodiment of the invention, the conduit consists, in particular at the level of the support zone 8, of a locally more malleable material. The latter will be obtained, for example, by foaming. It will further improve the cooperation between the surfaces facing the pipe 2 and the valve 3 and thus further promote sealing.
Dans le même but, on pourra aussi, éventuellement, prévoir des stries etlou des surépaisseurs en biseau, notamment réalisées dans la masse du clapet 3, sur sa périphérie, au niveau de sa surface de contact avec le siège 9. For the same purpose, it is also possible, optionally, to provide streaks and / or bevelled extra thicknesses, in particular produced in the mass of the valve 3, on its periphery, at its contact surface with the seat 9.
II est à noter que la présente invention illustrée ci-dessus par un dispositif comprenant un clapet du type drapeau peut également être mis en oeuvre dans un dispositif comprenant un clapet du type papillon. It should be noted that the present invention illustrated above by a device comprising a valve of the flag type can also be implemented in a device comprising a valve of the butterfly type.
Par ailleurs, selon un mode particulier de réalisation de l'invention, le conduit 2 est réalisé, notamment, dans un tableau de bord constitué par un matériau massif, c'est-à-dire dans un tableau de bord présentant une structure pleine, par exemple alvéolaire, dans laquelle des réservations etlou conduits sont aménagés de manière à pouvoir accueillir les éléments d'appareillage etlou d'équipement de l'installation comprenant ledit tableau de bord. Furthermore, according to a particular embodiment of the invention, the duct 2 is produced, in particular, in a dashboard made up of a solid material, that is to say in a dashboard having a solid structure, for example cellular, in which reservations and / or conduits are arranged so as to be able to accommodate the equipment elements and / or equipment of the installation comprising said dashboard.
Naturellement, d'autres mises en oeuvre de la présente invention, à la portée de l'homme de l'art, auraient pu être envisagées sans pour autant sortir du cadre de la présente demande. Naturally, other implementations of the present invention, within the reach of those skilled in the art, could have been envisaged without departing from the scope of the present application.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9515590A FR2742515B1 (en) | 1995-12-19 | 1995-12-19 | DEVICE WITH A VALVE FOR CONTROLLING THE FLOW OF A FLUID, PARTICULARLY FOR AN AIR CONDITIONING SYSTEM FOR A VEHICLE |
| PCT/FR1996/001949 WO1997022487A1 (en) | 1995-12-19 | 1996-12-05 | Device with a fluid flow control valve, in particular for a vehicle air conditioning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9515590A FR2742515B1 (en) | 1995-12-19 | 1995-12-19 | DEVICE WITH A VALVE FOR CONTROLLING THE FLOW OF A FLUID, PARTICULARLY FOR AN AIR CONDITIONING SYSTEM FOR A VEHICLE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2742515A1 true FR2742515A1 (en) | 1997-06-20 |
| FR2742515B1 FR2742515B1 (en) | 1998-02-20 |
Family
ID=9486035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9515590A Expired - Fee Related FR2742515B1 (en) | 1995-12-19 | 1995-12-19 | DEVICE WITH A VALVE FOR CONTROLLING THE FLOW OF A FLUID, PARTICULARLY FOR AN AIR CONDITIONING SYSTEM FOR A VEHICLE |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2742515B1 (en) |
| WO (1) | WO1997022487A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2855789A1 (en) * | 2003-06-06 | 2004-12-10 | Renault Sa | Ventilation system aerator for motor vehicle, has two opposite deflectors cooperating to deviate part of air flow from neighborhood of conduit wall towards center of conduit on closure range |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2867238A (en) * | 1952-07-18 | 1959-01-06 | Daimler Benz Ag | Rotary distributing valve for a motor vehicle heating and ventilating system |
| GB2117694A (en) * | 1980-10-22 | 1983-10-19 | Nihon Plast Co Ltd | Method of moulding ventilator grills |
| US4463931A (en) * | 1981-09-08 | 1984-08-07 | Plastomer Corporation | Damper device and method of forming |
| DE3832988A1 (en) * | 1988-09-29 | 1990-04-05 | Audi Ag | Housing for a heating or air-conditioning system of a motor vehicle |
| US5194038A (en) * | 1992-06-29 | 1993-03-16 | Huron Plastics Group, Inc. | One-way air valve |
| US5354114A (en) * | 1993-06-21 | 1994-10-11 | Davidson Textron Inc. | Integrated cross car structural duct cluster |
-
1995
- 1995-12-19 FR FR9515590A patent/FR2742515B1/en not_active Expired - Fee Related
-
1996
- 1996-12-05 WO PCT/FR1996/001949 patent/WO1997022487A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2867238A (en) * | 1952-07-18 | 1959-01-06 | Daimler Benz Ag | Rotary distributing valve for a motor vehicle heating and ventilating system |
| GB2117694A (en) * | 1980-10-22 | 1983-10-19 | Nihon Plast Co Ltd | Method of moulding ventilator grills |
| US4463931A (en) * | 1981-09-08 | 1984-08-07 | Plastomer Corporation | Damper device and method of forming |
| DE3832988A1 (en) * | 1988-09-29 | 1990-04-05 | Audi Ag | Housing for a heating or air-conditioning system of a motor vehicle |
| US5194038A (en) * | 1992-06-29 | 1993-03-16 | Huron Plastics Group, Inc. | One-way air valve |
| US5354114A (en) * | 1993-06-21 | 1994-10-11 | Davidson Textron Inc. | Integrated cross car structural duct cluster |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2855789A1 (en) * | 2003-06-06 | 2004-12-10 | Renault Sa | Ventilation system aerator for motor vehicle, has two opposite deflectors cooperating to deviate part of air flow from neighborhood of conduit wall towards center of conduit on closure range |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997022487A1 (en) | 1997-06-26 |
| FR2742515B1 (en) | 1998-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| CA | Change of address | ||
| CD | Change of name or company name | ||
| CJ | Change in legal form | ||
| ST | Notification of lapse |
Effective date: 20081020 |