FR2803258A1 - Air distribution for a vehicle windscreen uses two distribution nozzles on both sides of the windscreen - Google Patents

Air distribution for a vehicle windscreen uses two distribution nozzles on both sides of the windscreen Download PDF

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Publication number
FR2803258A1
FR2803258A1 FR9916708A FR9916708A FR2803258A1 FR 2803258 A1 FR2803258 A1 FR 2803258A1 FR 9916708 A FR9916708 A FR 9916708A FR 9916708 A FR9916708 A FR 9916708A FR 2803258 A1 FR2803258 A1 FR 2803258A1
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France
Prior art keywords
air
windshield
distribution
nozzles
vehicle
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Granted
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FR9916708A
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French (fr)
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FR2803258B1 (en
Inventor
Marc Muller
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Renault SAS
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Renault SAS
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Priority to FR9916708A priority Critical patent/FR2803258B1/en
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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
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/241—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle
    • B60H1/242—Devices purely for ventilating or where the heating or cooling is irrelevant characterised by the location of ventilation devices in the vehicle located in the front area
    • 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
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant
    • B60H1/247—Disposition of several air-diffusers in a vehicle for ventilation-air circulation in a vehicle cabin
    • 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
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/3407—Nozzles; Air-diffusers providing an air stream in a fixed direction, e.g. using a grid or porous panel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/54—Cleaning windscreens, windows or optical devices using gas, e.g. hot air

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

Air system includes two distribution nozzles (10,11) on both sides of the windscreen creating turbulence on the front part (3) of the windscreen (2).

Description

<U>DISPOSITIF DE</U> DISTRIBUTION <U>D'AIR DESTINE A UN</U> PARE- BRISE <U>DE</U> VEHICULE <U>AUTOMOBILE</U> L'invention se rapporte à un dispositif de distribution d'air, et plus particulièrement un dispositif de distribution d'air destiné à diriger de l'air direction du pare-brise d'un véhicule automobile. <U> DEVICE FOR </ U> AIR DISTRIBUTION <U> FOR A </ U> WINDS <U> OF </ U> VEHICLE <U> AUTOMOBILE </ U> The invention relates to a air distribution device, and more particularly an air distribution device for directing air towards the windshield of a motor vehicle.

On connaît dans l'état de la technique des dispositifs de distribution air destinés à envoyer de l'air vers le pare-brise d'un véhicule automobile. De manière générale, ces dispositifs comportent des sorties de distribution orientant l'air vers différentes régions du pare-brise. Ces sorties dirigent l'air selon une manière connue d'une part sur la partie frontale du pare-brise et d'autre part sur les parties latérales du pare-brise. Air distribution devices are known in the state of the art for sending air to the windshield of a motor vehicle. In general, these devices comprise distribution outlets directing the air towards different regions of the windshield. These outlets direct the air in a manner known firstly on the front part of the windshield and secondly on the side portions of the windshield.

Ainsi, il y a dans les solutions connues dans l'état de la technique, une ou plusieurs buses de distribution dirigeant l'air vers la partie centrale du pare-brise et une ou plusieurs buses dirigeant l'air vers les extrémités ce dernier. Thus, there are in the known solutions in the state of the art, one or more distribution nozzles directing air towards the central part of the windshield and one or more nozzles directing the air towards the ends thereof.

Lorsque le véhicule dispose d'un pare-brise de dimensions classiques, ces solutions sont tout à fait satisfaisantes. Néanmoins utilisation, de plus en plus fréquente sur les véhicules actuels, de pare- brise de grandes dimensions, dits panoramiques, rend caduque solutions selon l'état de la technique. When the vehicle has a windshield of conventional dimensions, these solutions are quite satisfactory. However, more and more frequent use on current vehicles of large windshields, called panoramic, makes obsolete solutions according to the state of the art.

En effet, de tels pare-brise, monoblocs et comportant des retours vers les parties latérales du véhicules, c'est-à-dire dépourvus de montants de pare-brise, nécessitent un grand nombre de buses de distribution d'air afin d'obtenir un dégivrage correct. Indeed, such windshields, one-piece and having returns to the side parts of the vehicle, that is to say without windshield amounts, require a large number of air distribution nozzles to get a correct defrost.

L'augmentation du nombre buses de distribution entraîne multiplication des conduits destinés à alimenter lesdites buses. Ainsi, on augmente de manière non négligeable les coûts de fabrication des dispositifs de distribution d'air, ainsi que les problèmes liés à l'implantation de la fonction dans le véhicule. The increase in the number of distribution nozzles causes multiplication of the conduits intended to supply said nozzles. Thus, it increases significantly the manufacturing costs of the air distribution devices, as well as the problems associated with the implementation of the function in the vehicle.

De plus, la multiplication des buses de distribution entraîne également de nombreux problèmes de répartition du flux d'air mais aussi réglage de la température de ce dernier. In addition, the multiplication of the distribution nozzles also causes many problems of distribution of the air flow but also adjustment of the temperature of the latter.

Afin de remédier à ces inconvénients, l'invention a pour objet un dispositif de distribution d'air assurant une distribution correcte de l' ' en direction du pare-brise d'un véhicule automobile, tout en minimisant le nombre de buses de distribution. To overcome these drawbacks, the invention relates to an air distribution device ensuring a correct distribution of the 'towards the windshield of a motor vehicle, while minimizing the number of distribution nozzles.

L'invention a également pour objet un dispositif de distribution qui comporte au moins deux buses de distribution destinées à créer par l'intermédiaire dudit pare-brise une zone de turbulences, située sensiblement au niveau de la partie frontale de ce dernier. The invention also relates to a dispensing device which comprises at least two dispensing nozzles intended to create through said windshield a turbulence zone, located substantially at the front of the latter.

Selon une caractéristique de l'invention, les buses de distribution se situent de part et d'autre de l'axe médian vertical du pare-brise. According to a characteristic of the invention, the distribution nozzles are located on either side of the vertical vertical axis of the windshield.

Selon une autre caractéristique de l'invention, le pare brise comporte une partie frontale ainsi que deux retours latéraux situés de part et d'autre de ladite partie frontale et orientés selon l'axe longitudinal du véhicule, ladite partie frontale et lesdits retours latéraux formant un ensemble monobloc. According to another characteristic of the invention, the windshield comprises a front portion and two lateral returns located on either side of said front portion and oriented along the longitudinal axis of the vehicle, said front portion and said lateral returns forming a monobloc set.

Selon une autre caractéristique de l'invention, une première buse de distribution se situe, du côté gauche du véhicule, sensiblement au niveau du premier retour latéral du pare-brise. According to another characteristic of the invention, a first distribution nozzle is located on the left side of the vehicle, substantially at the first lateral return of the windshield.

Selon une autre caractéristique de l'invention, une seconde buse de distribution se situe, du côté droit du véhicule, sensiblement au niveau du second retour latéral du pare-brise. Selon une autre caractéristique de l'invention, les buses de distribution dirigent l'air sensiblement en direction des jonctions entre les retours latéraux et la partie frontale du pare-brise, l'air étant ensuite dévié vers le centre de ladite partie centrale. According to another characteristic of the invention, a second distribution nozzle is located on the right side of the vehicle, substantially at the second lateral return of the windshield. According to another characteristic of the invention, the distribution nozzles direct the air substantially towards the junctions between the lateral returns and the front part of the windshield, the air then being diverted towards the center of said central part.

Selon une autre caractéristique l'invention, les buses de distribution comportent des moyens de déviation destinés à orienter le flux d'air. According to another characteristic of the invention, the distribution nozzles comprise deflection means for directing the flow of air.

Selon une autre caractéristique l'invention, les buses de distribution d'air sont galbées de manière dévier directement le flux d'air. According to another characteristic of the invention, the air distribution nozzles are curved so as to directly deflect the flow of air.

D'autres avantages et caractéristiques de l'invention seront mis en évidence dans la description suivante, donnée à titre d'exemple, en référence aux dessins annexés parmi lesquels - la figure 1 représente une vue face depuis l'habitacle du véhicule d'un pare-brise de grandes dimensions pourvu du dispositif de distribution d'air selon un exemple de réalisation conforme à l'invention. Other advantages and characteristics of the invention will be demonstrated in the following description, given by way of example, with reference to the appended drawings in which: FIG. 1 represents a front view from the passenger compartment of the vehicle of a large windshield provided with the air distribution device according to an exemplary embodiment according to the invention.

- la figure 2 représente une vue de coté d'un pare-brise de grandes dimensions pourvu d'un dispositif de distribution d'air selon un exemple de réalisation conforme à l'invention. - Figure 2 shows a side view of a large windshield provided with an air distribution device according to an exemplary embodiment according to the invention.

La figure 1 représente un dispositif distribution d'air conforme à l'invention. Figure 1 shows an air distribution device according to the invention.

Des buses de distribution de l'air sont alimentées par un groupe de ventilation, non représenté et connu selon 1 état de la technique, capable de chauffer et/ou de refroidir l'air extérieur. Ces buses de distribution sont destinées à diriger de l'air vers pare-brise 2 de véhicule automobile. Air distribution nozzles are fed by a ventilation unit, not shown and known according to the state of the art, capable of heating and / or cooling the outside air. These distribution nozzles are intended to direct air to the windshield 2 of a motor vehicle.

Le pare-brise 2 selon l'exemple de réalisation représenté figure est un pare-brise dit panoramique. A ce titre, ce pare-brise comporte partie frontale 3 se prolongeant de part et d'autre de ses extrémités par des retours latéraux 4 et 5, orientés sensiblement selon l'axe longitudinal du véhicule. The windshield 2 according to the exemplary embodiment shown is a so-called panoramic windshield. As such, this windshield has front portion 3 extending on either side of its ends by lateral returns 4 and 5, oriented substantially along the longitudinal axis of the vehicle.

Comme représenté sur la figure 1, le pare-brise 2 est constitué d'un seul bloc et ne possède donc pas, comme de nombreux pare-brise selon l'état de la technique, de montants métalliques qui limitent la taille du pare-brise à celle de la partie frontale 3.  As shown in Figure 1, the windshield 2 consists of a single block and therefore does not have, like many windshields according to the state of the art, metal uprights that limit the size of the windshield to that of the front part 3.

Les buses de distribution sont au nombre de deux - une première buse 10 est située, du côté gauche de l'axe médian vertical du pare-brise 2, sensiblement au niveau du retour latéral 4 du pare-brise 2. The distribution nozzles are two in number - a first nozzle 10 is located, on the left side of the vertical vertical axis of the windshield 2, substantially at the lateral return 4 of the windshield 2.

- une seconde buse 11 est située, du côté droit de l'axe médian vertical du pare-brise 2, sensiblement au niveau du retour latéral 5 du pare-brise 2. - A second nozzle 11 is located on the right side of the vertical vertical axis of the windshield 2, substantially at the lateral return 5 of the windshield 2.

Il n'existe donc pas, dans l'exemple de réalisation d'un dispositif distribution d'air, conforme à l'invention, de buse de distribution située niveau de la partie frontale 3 du pare-brise 2. In the embodiment of an air distribution device according to the invention, there is therefore no distribution nozzle located at the level of the front part 3 of the windshield 2.

Les deux buses de distribution 10 et 11 sont, dans un exemple réalisation de l'invention, munies d'ailettes déviatrices destinées à envoyer l'air sensiblement au niveau de la jonction entre le retour 4 et la partie frontale 3 pour la première buse 10, et sensiblement au niveau de la jonction entre le retour 5 et la partie frontale 3 pour la seconde buse 11. Ensuite, la forme bombée du pare-brise, monobloc et non interrompu par des montants verticaux, dévie les flux d'air gauche F et droit F qui se rencontrent sensiblement vers le centre de partie frontale 3. Ceci crée une zone de turbulences tout à fait propice dégivrage du pare-brise 2. The two distribution nozzles 10 and 11 are, in one embodiment of the invention, provided with deviating fins intended to send the air substantially at the junction between the return 4 and the front part 3 for the first nozzle 10 , and substantially at the junction between the return 5 and the front portion 3 for the second nozzle 11. Then the curved shape of the windshield, monobloc and uninterrupted by vertical uprights, deflects the left air flow F and right F which meet substantially towards the center of the front portion 3. This creates a zone of turbulence quite conducive to defrosting the windshield 2.

Dans un autre exemple de réalisation d'un dispositif distribution d'air conforme à l'invention, c'est la forme, convenablement galbée, des buses de distribution 10 et 11, elles-mêmes, qui permet de dévier le flux d'air en direction des jonctions entre les retours latéraux 4 et 5 et la partie centrale 3, sans qu'il soit nécessaire de munir ces buses d'ailettes. In another embodiment of an air distribution device according to the invention, it is the shape, suitably curved, of the distribution nozzles 10 and 11, themselves, which makes it possible to deflect the flow of air towards the junctions between the lateral returns 4 and 5 and the central portion 3, without the need to provide these nozzles fins.

De cette manière, l'orientation des flux d'air par les buses 10 et 11, puis la déviation desdits flux par la forme bombée du pare-brise 2, assurent une diffusion homogène. In this way, the orientation of the air flows through the nozzles 10 and 11, then the deflection of said flows by the curved shape of the windshield 2, ensure a homogeneous diffusion.

Le dispositif de distribution d'air selon l'invention est donc particulièrement intéressant puisque très simple de réalisation et très facile à implanter dans un véhicule automobile. De plus, ce dispositif entraîne une diminution des coûts de réalisation de la fonction dégivrage puisqu'il permet de supprimer non seulement la buse de distribution en partie frontale du pare-brise mais aussi les conduits d'alimentation correspondants. The air distribution device according to the invention is therefore particularly interesting since it is very simple to manufacture and very easy to install in a motor vehicle. In addition, this device causes a reduction in the costs of performing the defrosting function since it allows to remove not only the dispensing nozzle at the front of the windshield but also the corresponding supply ducts.

Enfin, la' planche de bord du véhicule étant libre, on pallie aux problèmes liés au traitement esthétique des buses de distribution. On peut également envisager le remplacement de ces buses par tous types d'éléments fonctionnels ou esthétiques tels que des zones de rangement. Finally, the dashboard of the vehicle being free, it overcomes the problems associated with the aesthetic treatment of the dispensing nozzles. We can also consider the replacement of these nozzles by all types of functional or aesthetic elements such as storage areas.

L'invention ne se limite pas à l'exemple de réalisation décrit précédemment mais englobe tout dispositif de distribution d'air qui comporte au moins deux buses de distribution destinées à créer une zone de turbulences, située sensiblement niveau de la partie centrale du pare- brise. The invention is not limited to the embodiment described above but encompasses any air distribution device which comprises at least two distribution nozzles intended to create a turbulence zone, situated substantially at the level of the central part of the windshield. breeze.

Claims (1)

REVENDICATIONS [1] Dispositif de distribution d'air destiné notamment à diriger de l'air en direction du pare-brise (2) d'un véhicule automobile caractérisé en ce que ledit dispositif comporte au moins deux buses de distribution (10, 11) destinées à créer par l'intermédiaire dudit pare- brise une zone de turbulences, située sensiblement niveau de la partie frontale (3) de ce dernier. [2] Dispositif de distribution d'air selon la revendication caractérisé en ce les buses de distribution (10, 11) se situent de part et d'autre de l'axe médian vertical du pare-brise (2). [3] Dispositif de distribution d'air selon la revendication 1 ou 2, caractérisé en ce que le pare-brise (2) comporte une partie frontale (3) ainsi que deux retours latéraux (4, 5) situés de part d'autre de ladite partie frontale (3) et orientés selon l'axe longitudinal du véhicule, ladite partie frontale (3) et lesdits retours latéraux (4, 5) formant un ensemble monobloc. [4] Dispositif de distribution d'air selon la revendication 3, caractérisé en ce qu'une première buse de distribution (10) se situe, du côté gauche du véhicule, sensiblement au niveau du premier retour latéral (4) du -brise (2). [5] Dispositif de distribution d'air selon la revendication 3 ou 4, caracterisé en ce qu'une seconde buse de distribution (11) se situe, du côté droit du véhicule, sensiblement au niveau du second retour latéral (5) du pare-brise (2). [6] Dispositif de distribution d'air selon l'une quelconque des revendications 3 à 5, caractérisé en ce que les buses de distribution (10, 11) dirigent l'air sensiblement en direction des jonctions entre les retours latéraux (4, 5) et la partie frontale (3) du pare-brise (2), l'air étant ensuite dévié vers le centre de ladite partie frontale (3). [7] Dispositif de distribution d'air selon l'une quelconque des revendications précédentes, caractérisé en ce que les buses de distribution (10, 1) comportent des moyens de déviation destinés à orienter le flux d' [8] Dispositif de distribution d'air selon l'une quelconque des revendication 1 à caractérisé en ce que les buses de distribution (10, 11) sont galbées de manière à dévier directement le flux d'air. CLAIMS [1] Air distribution device intended in particular for directing air towards the windshield (2) of a motor vehicle characterized in that said device comprises at least two dispensing nozzles (10, 11) intended to create through said windshield a turbulence zone, located substantially level of the front portion (3) of the latter. [2] Air distribution device according to claim characterized in that the distribution nozzles (10, 11) are located on either side of the vertical vertical axis of the windshield (2). [3] Air distribution device according to claim 1 or 2, characterized in that the windshield (2) has a front portion (3) and two lateral returns (4, 5) located on the other side of said front portion (3) and oriented along the longitudinal axis of the vehicle, said front portion (3) and said lateral returns (4, 5) forming a one-piece assembly. [4] Air distribution device according to claim 3, characterized in that a first distribution nozzle (10) is located on the left side of the vehicle, substantially at the first lateral return (4) of the -brise ( 2). [5] Air distribution device according to claim 3 or 4, characterized in that a second distribution nozzle (11) is located on the right side of the vehicle, substantially at the second lateral return (5) of the pare -brise (2). [6] Air distribution device according to any one of claims 3 to 5, characterized in that the distribution nozzles (10, 11) direct the air substantially towards the junctions between the lateral returns (4, 5 ) and the front part (3) of the windshield (2), the air then being deflected towards the center of said front part (3). [7] Air distribution device according to any one of the preceding claims, characterized in that the distribution nozzles (10, 1) comprise deflection means for directing the flow of [8] air according to any one of claims 1 to characterized in that the distribution nozzles (10, 11) are curved so as to directly deflect the flow of air.
FR9916708A 1999-12-30 1999-12-30 AIR DISTRIBUTION DEVICE FOR A MOTOR VEHICLE WINDSHIELD Expired - Fee Related FR2803258B1 (en)

Priority Applications (1)

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FR9916708A FR2803258B1 (en) 1999-12-30 1999-12-30 AIR DISTRIBUTION DEVICE FOR A MOTOR VEHICLE WINDSHIELD

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Application Number Priority Date Filing Date Title
FR9916708A FR2803258B1 (en) 1999-12-30 1999-12-30 AIR DISTRIBUTION DEVICE FOR A MOTOR VEHICLE WINDSHIELD

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FR2803258A1 true FR2803258A1 (en) 2001-07-06
FR2803258B1 FR2803258B1 (en) 2002-03-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008069740A1 (en) * 2006-12-06 2008-06-12 Scania Cv Ab (Publ) Air nozzle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1886811U (en) * 1963-10-16 1964-01-30 Werner Seidel WARM AIR DEFLECTORS FOR VEHICLES.
DE2058609A1 (en) * 1970-11-28 1972-06-08 Daimler Benz Ag Arrangement of ventilation nozzles for defrosting or defogging the windshield of vehicles, in particular of motor vehicles
AT347798B (en) * 1974-07-05 1979-01-10 Jenbacher Werke Ag AIR CONDITIONING SYSTEM FOR INTRINSIC ROOMS
US4864919A (en) * 1986-12-18 1989-09-12 Aurora Konrad G. Schulz Gmbh & Co. Vent for aerating windows

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1886811U (en) * 1963-10-16 1964-01-30 Werner Seidel WARM AIR DEFLECTORS FOR VEHICLES.
DE2058609A1 (en) * 1970-11-28 1972-06-08 Daimler Benz Ag Arrangement of ventilation nozzles for defrosting or defogging the windshield of vehicles, in particular of motor vehicles
AT347798B (en) * 1974-07-05 1979-01-10 Jenbacher Werke Ag AIR CONDITIONING SYSTEM FOR INTRINSIC ROOMS
US4864919A (en) * 1986-12-18 1989-09-12 Aurora Konrad G. Schulz Gmbh & Co. Vent for aerating windows

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008069740A1 (en) * 2006-12-06 2008-06-12 Scania Cv Ab (Publ) Air nozzle

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Effective date: 20160831