FR2990402A1 - Car, has case supported by front and rear wheels, and front wheel housing comprising rear wall portion with anti-trail opening that is faced to rear portion of each front wheel, where front wheels comprise suction turbine configuration - Google Patents

Car, has case supported by front and rear wheels, and front wheel housing comprising rear wall portion with anti-trail opening that is faced to rear portion of each front wheel, where front wheels comprise suction turbine configuration Download PDF

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Publication number
FR2990402A1
FR2990402A1 FR1254364A FR1254364A FR2990402A1 FR 2990402 A1 FR2990402 A1 FR 2990402A1 FR 1254364 A FR1254364 A FR 1254364A FR 1254364 A FR1254364 A FR 1254364A FR 2990402 A1 FR2990402 A1 FR 2990402A1
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FR
France
Prior art keywords
wheels
opening
motor vehicle
front wheel
vehicle according
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.)
Withdrawn
Application number
FR1254364A
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French (fr)
Inventor
Jean Charles Boueilh
Pedro Volpiani
Fabien Harambat
Gregory Pujals
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1254364A priority Critical patent/FR2990402A1/en
Publication of FR2990402A1 publication Critical patent/FR2990402A1/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08Front or rear portions
    • B62D25/16Mud-guards or wings; Wheel cover panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D35/00Vehicle bodies characterised by streamlining
    • B62D35/02Streamlining the undersurfaces
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The car has a case (1) supported by front wheels (2) and rear wheels (4), where each front wheel and each rear wheel are mounted in a front wheel housing (3) and a rear wheel housing (5), respectively. The front wheel housing comprises a rear wall portion (7) with an anti-trail opening (6), where the anti-trail opening is faced to a rear portion of the front wheel. Height of the anti-trail opening ranges between 300 mm and 400 mm. The front wheels comprise a suction turbine configuration. A flap (13) is extended parallel to an axis of rotation of the front wheels.

Description

VÉHICULE AUTOMOBILE COMPRENANT DES PASSAGES DE ROUES AYANT UNE CONFIGURATION ANTI-TRAINÉE La présente invention concerne un véhicule automobile comprenant des passages de roues ayant une configuration anti- tramée. ARRIÈRE-PLAN DE L'INVENTION On sait que la tramée aérodynamique d'un véhicule automobile dépend non seulement de la forme de la caisse mais également de la configuration aérodynamique des roues et des passages de roues. En particulier, on sait que des roues avant ayant une configuration en turbine aspirante réduisent la tramée des roues avant, mais elles engendrent simultanément une surpression à l'arrière des passages de roues avant, ce qui génère de la tramée au niveau des passages de roue. The present invention relates to a motor vehicle comprising wheel arches having an anti-raster configuration. BACKGROUND OF THE INVENTION It is known that the aerodynamic mesh of a motor vehicle depends not only on the shape of the body but also on the aerodynamic configuration of the wheels and the wheel arches. In particular, it is known that front wheels having a suction turbine configuration reduce the screening of the front wheels, but they simultaneously generate an overpressure at the rear of the front wheel wells, which generates a screen at the wheel arches .

Par ailleurs, il est connu du document US 5,820,203 de réduire la tramée aérodynamique d'un véhicule automobile en équipant celui-ci de roues ayant une configuration en turbine aspirante, et de réaliser dans le passage de roue une ouverture qui est coaxiale à l'axe de rotation de la roue, et qui est associée à un conduit d'échappement décalé latéralement par rapport à la roue. Cette configuration augmente l'encombrement du passage de roue et est donc incompatible avec la réalisation de véhicules compacts. OBJET DE L'INVENTION Un but de l'invention est d'améliorer la configuration aérodynamique d'un véhicule automobile, en particulier un véhicule équipé de roues avant ayant une configuration en turbine aspirante, tout en minimisant l'encombrement du véhicule. Furthermore, it is known from US 5,820,203 to reduce the aerodynamic screen of a motor vehicle by equipping it with wheels having a suction turbine configuration, and to realize in the wheel well an opening which is coaxial with the axis of rotation of the wheel, and which is associated with an exhaust duct offset laterally relative to the wheel. This configuration increases the size of the wheel arch and is therefore incompatible with the production of compact vehicles. OBJECT OF THE INVENTION An object of the invention is to improve the aerodynamic configuration of a motor vehicle, in particular a vehicle equipped with front wheels having a suction turbine configuration, while minimizing the size of the vehicle.

BRÈVE DESCRIPTION DE L'INVENTION En vue de la réalisation de ce but, on propose selon l'invention un véhicule automobile comportant une caisse supportée par des roues avant chacune montée dans un passage de roue avant, et des roues arrière chacune montée dans un passage de roue arrière, dans lequel le passage de roue avant a une partie de paroi arrière comportant une ouverture anti- tramée en regard d'une partie arrière de la roue avant. Ainsi, l'air sous pression s'échappe par l'ouverture antitrainée, ce qui diminue la tramée due au passage de roue. Selon une version avantageuse de l'invention, l'ouverture anti-tramée est associée à un conduit anti-tramée débouchant sous la caisse et ayant une extrémité en coïncidence avec l'ouverture anti-tramée. Le flux d'air est ainsi guidé vers le dessous de la caisse. En outre, il a été constaté que l'air provenant du passage de roue avant augmente la tramée sur les roues arrière. Selon un mode de réalisation préféré de l'invention, le véhicule est équipé pour chaque roue arrière, d'une bavette qui s'étend vers le bas à partir de la caisse, en regard d'une partie avant de la roue arrière. Le flux d'air provenant des roues avant est ainsi dévié vers le sol, ce qui minimise la tramée due aux roues arrière. BRÈVE DESCRIPTION DES DESSINS D'autres caractéristiques et avantages de l'invention apparaîtront encore à la lecture de la description qui suit 20 d'un mode de réalisation préféré non limitatif de l'invention en référence aux figures ci-jointes parmi lesquelles: - La figure 1 est une vue en perspective schématique d'un véhicule configure selon l'invention, les détails de cette configuration apparaissant dans deux parties écorchées 25 de la carrosserie, - la figure 2 est un agrandissement de l'encadré II de la figure 1. DESCRIPTION DETAILLÉE DE L'INVENTION En référence aux figures, le véhicule automobile selon 30 l'invention comporte de façon connue en soi une caisse 1 portée par des roues avant 2 disposées dans des passages de roue avant 3, et des roues arrière 4 (dont une seule est visible sur la figure)disposées dans des passages de roue arrière 5. Également de façon connue en soi, les roues avant 2 ont une configuration en turbine aspirante tandis que les roues arrière 4 sont des roues à voile plein. BRIEF DESCRIPTION OF THE INVENTION In view of achieving this object, the invention proposes a motor vehicle comprising a body supported by front wheels each mounted in a front wheel arch, and rear wheels each mounted in a passage. rear wheel, wherein the front wheel well has a rear wall portion having an anti-raster aperture facing a rear portion of the front wheel. Thus, the pressurized air escapes through the antitrained opening, which reduces the screen due to the wheel well. According to an advantageous version of the invention, the anti-raster aperture is associated with an anti-raster conduit opening under the body and having an end coinciding with the anti-raster opening. The flow of air is thus guided towards the underside of the body. In addition, it has been found that the air from the front wheel arch increases the screen on the rear wheels. According to a preferred embodiment of the invention, the vehicle is equipped for each rear wheel, a flap that extends downwardly from the body, facing a front portion of the rear wheel. The flow of air from the front wheels is thus diverted towards the ground, which minimizes the screen due to the rear wheels. BRIEF DESCRIPTION OF THE DRAWINGS Other features and advantages of the invention will become apparent upon reading the following description of a preferred non-limiting embodiment of the invention with reference to the attached figures among which: FIG. 1 is a schematic perspective view of a vehicle configured according to the invention, the details of this configuration appearing in two cutaway portions of the body, FIG. 2 is an enlargement of the box II of FIG. DETAILED DESCRIPTION OF THE INVENTION With reference to the figures, the motor vehicle according to the invention comprises, in a manner known per se, a box 1 carried by front wheels 2 arranged in front wheel arches 3, and rear wheels 4 (of which only one is visible in the figure) arranged in rear wheel wells 5. Also in a manner known per se, the front wheels 2 have a suction turbine configuration while the 4 rear wheels are full sail wheels.

Selon un premier aspect de l'invention, une ouverture anti-tramée 6 est réalisée dans une partie arrière 7 de chaque passage de roue 3. Chaque ouverture anti-tramée 6 est réalisée en regard de la partie arrière 8 de la roue avant 2 qui coïncide avec l'écorché et a donc été symbolisée sur la figure 2 par des tirets longs. Dans le mode de réalisation préféré illustré, l'ouverture anti-tramée 6 à une largeur lo égale à la largeur lrde la roue, et une hauteur ho comprise entre 300 mm et 400 mm, ce qui correspond à sensiblement la mi-hauteur de la roue 2. According to a first aspect of the invention, an anti-raster aperture 6 is made in a rear portion 7 of each wheel well 3. Each anti-raster opening 6 is made opposite the rear portion 8 of the front wheel 2 which coincides with the skinned and was therefore symbolized in Figure 2 by long dashes. In the preferred embodiment illustrated, the anti-raster aperture 6 has a width lo equal to the width lr of the wheel, and a height ho of between 300 mm and 400 mm, which corresponds to substantially the mid-height of the wheel. wheel 2.

L'ouverture anti-tramée 6 est associée à un conduit anti- trainée 9 ayant une extrémité avant qui coïncide avec l'ouverture anti-tramée 6 et qui s'étend vers l'arrière de façon oblique pour déboucher sous la caisse. Dans le mode de réalisation illustré, le conduit anti-tramée 9 est formé par un élément de paroi en U inversé dont le bord inférieur 10 coïncide avec le bord d'une ouverture 11 réalisée dans un panneau 12 du plancher de la caisse 1. Selon une direction longitudinale du véhicule, le conduit anti-tramée 9 a une longueur Lc comprise entre le 200 mm et 300 mm. The anti-raster opening 6 is associated with an anti-drag duct 9 having a front end which coincides with the anti-raster opening 6 and which extends backwards obliquely to open under the body. In the illustrated embodiment, the anti-raster conduit 9 is formed by an inverted U-shaped wall element whose lower edge 10 coincides with the edge of an opening 11 made in a panel 12 of the floor of the body 1. a longitudinal direction of the vehicle, the anti-raster conduit 9 has a length Lc between 200 mm and 300 mm.

Selon un second aspect de l'invention, une bavette 13 est fixée sous le plancher 12 de la caisse 1, parallèlement à une direction axiale des roues, en avant du passage de roue arrière, en regard de la roue arrière 4, et s'étend vers le bas à partir de la caisse en regard de la roue arrière. According to a second aspect of the invention, a flap 13 is fixed under the floor 12 of the body 1, parallel to an axial direction of the wheels, in front of the rear wheel well, opposite the rear wheel 4, and extends down from the crate facing the rear wheel.

Dans le mode de réalisation illustré, la bavette 13 est un profilé en matière plastique en L dont une aile est fixée sous la caisse 1 pour s'étendre parallèlement à l'axe de rotation des roues arrières, et dont l'autre aile s'étend vers le bas. Afin de pouvoir assurer sa fonction de déviation du flux d'air venant de la roue avant, comme illustré par des flèches en trait épais sur la figure 2, tout en minimisant une réduction de la garde au sol, la bavette 13 a de préférence une hauteur hb comprise entre 35mm et 70mm, et elle est de préférence fixée immédiatement en avant de l'extrémité avant 15 du passage de roue arrière, comme illustré sur la figure 2, ou à une distance db de celle-ci inférieure à 100 mm . Bien entendu l'invention n'est pas limitée au mode de réalisation décrit et on peut y apporter des variantes de réalisation sans sortir du cadre de l'invention telle que définie par les revendications. In the illustrated embodiment, the flap 13 is an L-shaped plastic section of which one flange is fixed under the body 1 to extend parallel to the axis of rotation of the rear wheels, and whose other flange is extends down. In order to be able to perform its function of deflecting the flow of air coming from the front wheel, as illustrated by arrows in thick lines in FIG. 2, while minimizing a reduction of the ground clearance, the flap 13 preferably has a height hb between 35mm and 70mm, and it is preferably fixed immediately in front of the front end 15 of the rear wheel well, as illustrated in Figure 2, or at a distance db thereof of less than 100 mm. Naturally, the invention is not limited to the embodiment described and variations can be made without departing from the scope of the invention as defined by the claims.

En particulier, bien que l'invention ait été décrite en relation avec un conduit anti-tramée 9 associé à l'ouverture anti-tramée 6, l'invention peut être réalisée en prévoyant simplement une ouverture anti-tramée dans la partie de paroi arrière du passage de roue. In particular, although the invention has been described in connection with an anti-raster conduit 9 associated with the anti-raster aperture 6, the invention can be realized by simply providing an anti-raster aperture in the rear wall portion. wheel arch.

Bien que l'invention ait été décrite en relation avec un véhicule équipé de roues avant ayant une configuration en turbine aspirante, qui constitue une application pour laquelle l'invention est essentielle, l'invention peut également être mise en oeuvre sur un véhicule équipé de roues standard afin d'en réduire la tramée aérodynamique globale. Bien que la solution complète comprenne une bavette en avant du passage de roue arrière, sans sortir du cadre de l'invention on peut ne réaliser que la partie relative aux roues avant.25 Although the invention has been described in connection with a vehicle equipped with front wheels having a suction turbine configuration, which constitutes an application for which the invention is essential, the invention can also be implemented on a vehicle equipped with standard wheels to reduce the overall aerodynamic raster. Although the complete solution includes a flap in front of the rear wheel arch, without departing from the scope of the invention it is possible to realize only the part relating to the front wheels.

Claims (10)

REVENDICATIONS1. Véhicule automobile comportant une caisse (1) supportée par des roues avant (2) chacune montée dans un passage de roue avant (3) , et des roues arrière (4) chacune montée dans un passage de roue arrière (5) , caractérisé en ce que le passage de roue avant (3) a une partie de paroi arrière (7) comportant une ouverture anti-tramée (6) en regard d'une partie arrière (8) de la roue avant. REVENDICATIONS1. Motor vehicle comprising a body (1) supported by front wheels (2) each mounted in a front wheel arch (3), and rear wheels (4) each mounted in a rear wheel arch (5), characterized in that the front wheel arch (3) has a rear wall portion (7) having an anti-raster aperture (6) facing a rear portion (8) of the front wheel. 2. Véhicule automobile selon la revendication 1, caractérisé en ce que les roues avant (2) ont une configuration en turbine aspirante. 2. Motor vehicle according to claim 1, characterized in that the front wheels (2) have a suction turbine configuration. 3. Véhicule automobile selon la revendication 1, caractérisé en ce que l'ouverture anti-tramée (6) a une largeur (1o) égale à celle (1r) de la roue. 3. Motor vehicle according to claim 1, characterized in that the anti-raster opening (6) has a width (1o) equal to that (1r) of the wheel. 4. Véhicule automobile selon la revendication 1, caractérisé en ce que l'ouverture anti-tramée (6) a une hauteur (ho) comprise entre 300 mm et 400 mm. 4. Motor vehicle according to claim 1, characterized in that the anti-raster opening (6) has a height (ho) of between 300 mm and 400 mm. 5. Véhicule automobile selon la revendication 1, caractérisé en ce que l'ouverture anti-tramée (6) est associée à un conduit anti-tramée (9) débouchant sous la caisse, et ayant une extrémité en coïncidence avec l'ouverture anti-tramée. 5. Motor vehicle according to claim 1, characterized in that the anti-raster opening (6) is associated with an anti-raster conduit (9) opening under the body, and having an end coinciding with the anti-tamper opening screened. 6. Véhicule automobile selon la revendication 3, caractérisé en ce que le conduit anti-tramée (6) a, selon une direction longitudinale du véhicule, une longueur (LC) comprise entre 200 mm et 300 mm. 6. Motor vehicle according to claim 3, characterized in that the anti-halftone conduit (6) has, in a longitudinal direction of the vehicle, a length (LC) of between 200 mm and 300 mm. 7. Véhicule automobile selon la revendication 1, caractérisé en ce qu'en amont des passages de roue arrière (5) il comporte une bavette (13) s'étendant vers le bas à partir de la caisse, en regard d'une partie avant (14) de la roue arrière. 7. Motor vehicle according to claim 1, characterized in that upstream of the rear wheel wells (5) it comprises a flap (13) extending downwardly from the body, facing a front portion (14) of the rear wheel. 8. Véhicule automobile selon la revendication 7, caractérisé en ce que la bavette est montée à une distance (db) d'une extrémité avant (15) du passage de roue arrière inférieure à 100 mm. 8. Motor vehicle according to claim 7, characterized in that the flap is mounted at a distance (db) from a front end (15) of the rear wheel passage less than 100 mm. 9. Véhicule automobile selon la revendication 7, caractérisé en ce que la bavette (13) s'étend parallèlement à un axe de rotation des roues arrière. 9. Motor vehicle according to claim 7, characterized in that the flap (13) extends parallel to an axis of rotation of the rear wheels. 10. Véhicule automobile selon la revendication 9, caractérisé en ce que la bavette (13) a une hauteur (hb) comprise entre 35 mm et 70 mm. 10. Motor vehicle according to claim 9, characterized in that the flap (13) has a height (hb) of between 35 mm and 70 mm.
FR1254364A 2012-05-14 2012-05-14 Car, has case supported by front and rear wheels, and front wheel housing comprising rear wall portion with anti-trail opening that is faced to rear portion of each front wheel, where front wheels comprise suction turbine configuration Withdrawn FR2990402A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1254364A FR2990402A1 (en) 2012-05-14 2012-05-14 Car, has case supported by front and rear wheels, and front wheel housing comprising rear wall portion with anti-trail opening that is faced to rear portion of each front wheel, where front wheels comprise suction turbine configuration

Applications Claiming Priority (1)

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FR1254364A FR2990402A1 (en) 2012-05-14 2012-05-14 Car, has case supported by front and rear wheels, and front wheel housing comprising rear wall portion with anti-trail opening that is faced to rear portion of each front wheel, where front wheels comprise suction turbine configuration

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FR1254364A Withdrawn FR2990402A1 (en) 2012-05-14 2012-05-14 Car, has case supported by front and rear wheels, and front wheel housing comprising rear wall portion with anti-trail opening that is faced to rear portion of each front wheel, where front wheels comprise suction turbine configuration

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160039479A1 (en) * 2013-03-27 2016-02-11 Toyota Jidosha Kabushiki Kaisha Wheel well rear portion structure
WO2016024054A1 (en) * 2014-08-14 2016-02-18 Peugeot Citroen Automobiles Sa Structure of a motor vehicle wing having a mudguard provided with a water discharge scoop
FR3062368A1 (en) * 2017-02-02 2018-08-03 Peugeot Citroen Automobiles Sa VEHICLE COMPRISING A WHEEL PASSING AIR DUCT

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772060A (en) * 1986-05-24 1988-09-20 Porsche Aktiengesellschaft Air guide arrangement for the underside of a vehicle
JP2003034271A (en) * 2001-07-23 2003-02-04 Tsutomu Miwa Aerodynamic fender member
FR2909966A3 (en) * 2006-12-13 2008-06-20 Renault Sas Air drag reducing device for motor vehicle, has ventilation unit associated with wheel rim, and blades sectioned and oriented to serve as axial ventilator, during rotation drive of rims in advancement direction of motor vehicle
US20120061993A1 (en) * 2010-09-10 2012-03-15 Fuji Jukogyo Kabushiki Kaisha Airflow deflector apparatus for vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772060A (en) * 1986-05-24 1988-09-20 Porsche Aktiengesellschaft Air guide arrangement for the underside of a vehicle
JP2003034271A (en) * 2001-07-23 2003-02-04 Tsutomu Miwa Aerodynamic fender member
FR2909966A3 (en) * 2006-12-13 2008-06-20 Renault Sas Air drag reducing device for motor vehicle, has ventilation unit associated with wheel rim, and blades sectioned and oriented to serve as axial ventilator, during rotation drive of rims in advancement direction of motor vehicle
US20120061993A1 (en) * 2010-09-10 2012-03-15 Fuji Jukogyo Kabushiki Kaisha Airflow deflector apparatus for vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160039479A1 (en) * 2013-03-27 2016-02-11 Toyota Jidosha Kabushiki Kaisha Wheel well rear portion structure
US9637185B2 (en) * 2013-03-27 2017-05-02 Toyota Jidosha Kabushiki Kaisha Wheel well rear portion structure
WO2016024054A1 (en) * 2014-08-14 2016-02-18 Peugeot Citroen Automobiles Sa Structure of a motor vehicle wing having a mudguard provided with a water discharge scoop
FR3024861A1 (en) * 2014-08-14 2016-02-19 Peugeot Citroen Automobiles Sa WING STRUCTURE OF A MOTOR VEHICLE WITH MUDGUARD PROVIDED WITH A WATER EXHAUST ECOPE
CN107107966A (en) * 2014-08-14 2017-08-29 标致雪铁龙集团 The Wing structure of motor vehicles with the mud guard equipped with drain notch
CN107107966B (en) * 2014-08-14 2020-08-25 标致雪铁龙集团 Fender structure of motor vehicle having fender equipped with drain recess
FR3062368A1 (en) * 2017-02-02 2018-08-03 Peugeot Citroen Automobiles Sa VEHICLE COMPRISING A WHEEL PASSING AIR DUCT

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