Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K11/00—Arrangement in connection with cooling of propulsion units
  • B60K11/08—Air inlets for cooling; Shutters or blinds therefor
  • B60K11/085—Air inlets for cooling; Shutters or blinds therefor with adjustable shutters or blinds
• • Y—GENERAL 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
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
  • Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses

Definitions

• the present invention relates to the field of vehicles, in particular motor vehicles, and more specifically motor vehicles comprising a front-end module comprising a support and a shield.
• a front-end module is a structural element intended to contain a plurality of devices necessary for the operation of the motor vehicle, such as projectors, heat exchangers . At the end of the production of a front-end module, it can be directly assembled on the motor vehicle, especially with elements of the chassis of the motor vehicle, such as longitudinal members.
• the front-end module comprises a support intended to receive the aforesaid devices necessary for the operation of the motor vehicle.
• the front panel module rack consists of different parts attached together.
• this support generally comprises a lower crossbar, lateral uprights for said lower cross member, an upper cross member adapted to be fixed to the top of said side uprights and reinforcement arms attached to the ends of the upper cross member and / or on the lateral uprights.
• the front-face module comprises a shield provided with at least one air inlet in order to allow the flow of an air flow towards heat exchangers arranged within the front panel module.
• the shield may comprise two separate air inlets separated by a bumper beam.
• the air inlet (s) generally comprise movable shutters making it possible to open or obstruct said air intakes.
• a control device allows, as a rule, to control the operation of the moving shutters to optimize the aerodynamics of the motor vehicle when it is in operation.
• the predetermined dimensions of the air inlets within the shield represent a constraint for the flow rate of the air flow entering from the outside of the motor vehicle and intended to cool, in particular, the heat exchangers arranged within the module. front face.
• the current dimensions of the air inlets within a shield do not allow to obtain a sufficient flow of the incoming air flow to ensure optimum cooling of the heat exchangers, for example, under specific operating conditions of the vehicle automobile. Therefore, it is necessary to improve the structure and operation of a shield according to the state of the art to optimize the operating conditions of a motor vehicle provided with such a shield.
• a first subject of the invention concerns a device for closing off an air intake, in particular positioned on the front face of a vehicle such as a motor vehicle, said device comprising: a set of shutters able to close off a determined opening surface of said air inlet and,
• An air deflector adapted to open so as to increase said opening surface of said air inlet.
• the air deflector can be moved in various positions so as to vary the opening surface of the air inlet and thus to vary the flow of air passing through the air inlet.
• the air inlet comprises a determined opening surface, or first opening surface, which can be closed by a set of flaps pivoting between a closed position of the air inlet, thus preventing air to pass through the first aperture surface, and an optimum aperture position allowing air to pass through the first aperture surface with maximum airflow.
• An opening surface corresponds to a plane made in one piece and delimited by the walls of the shield, or in other words, to a single hole made within the shield.
• the closure device further comprises an air deflector adapted to move so as to release a second opening surface so that the air can pass thereby increasing the overall opening area of said inlet. 'air.
• the front-face module comprises a shutter device with two elements, a set of shutters capable of closing off the determined opening surface, or first opening surface, of said air inlet and a an air baffle, separate from the set of flaps, which moves to vary the opening area of the air inlet by releasing a second surface where air can flow therethrough.
• the set of flaps is inscribed in the first opening surface while the deflector is inscribed in the second opening surface.
• the air deflector moves, in particular away from the set of flaps, the dimensions of the air inlet and in particular the air passage section, increase thereby increasing the air flow entering the engine compartment to the heat exchangers.
• the air deflector is able to move in the opposite direction so as to come to subject to the set of flaps and thus completely obstruct the air inlet, of course in the case where the flaps are in the closed position.
• said air deflector is able to be moved independently of said set of flaps.
• the device also comprises drive means for moving the air deflector from a first closed position (closed air inlet) to a second position of opening (open air inlet) and thus allow a variation of the opening surface of said air inlet.
• the drive means are adapted to move the air deflector from the first shutter position to the second open position in a direction substantially (preferably substantially) perpendicular to the longitudinal axis of the vehicle and the vehicle. front panel module.
• the drive means are adapted to move the air deflector by rotation (ie around an axis of rotation).
• the drive means are adapted to move the air deflector by translation, preferably along a guide element.
• the drive means are adapted to move the air baffle by rotation and by translation, said translation preferably being effected along an element of guide.
• the drive means preferably comprise an actuator by rotation and / or by translation.
• a second object of the invention relates to a shield adapted to be assembled on a support of a front-end module of a vehicle such as a motor vehicle, said shield comprising an air inlet defining an opening surface, said air inlet being equipped with the shutter device of an air inlet according to the present invention.
• said air inlet is a lower air inlet, located on the lower part of said shield, said shield further comprising an upper air inlet located in the upper part of the shield.
• the lower air inlet and the upper air inlet can be separated for example by a bumper.
• the air deflector forms at least part of the shield mentioned above.
• a third object of the invention relates to a front-end module support of a vehicle such as a motor vehicle, comprising a device for closing an air intake according to the present invention.
• the air deflector of the closure device forms at least a portion of said front face module support.
• a front-panel module holder has essentially the form of a frame.
• Such a support comprises first and second legs positioned in a substantially direction (preferably substantially) vertical.
• the said first and second legs are connected to an upper rail via their respective upper ends.
• Said first and second legs are also connected to a lower crossbar via their respective lower ends.
• the module support by its frame shape, also defines an air inlet.
• a bumper beam may be arranged on the support so as to define a lower air inlet, located on the lower part of said support and an upper air inlet located in the upper part of the front panel module support.
• the module support may comprise a shutter device according to the invention without the air deflector forming an integral part of the support structure.
• a fourth object of the invention relates to a front-end module of a motor vehicle comprising:
• FIG. 1 shows, schematically, a motor vehicle comprising a shield provided with an air deflector in a first position, according to a first embodiment of the invention
• FIG. 2 schematically shows a motor vehicle comprising a shield provided with an air deflector in a second position, according to a first embodiment of the invention
• FIG. 3 shows a partial view in section of the front part of the motor vehicle comprising a shield according to FIG. 1,
• FIG. 4 shows a partial view in section of the front part of the motor vehicle comprising a shield according to FIG. 2,
• FIG. 5 shows a partial view in section of the front part of the motor vehicle near an obstacle, according to one embodiment of the invention.
• FIG. 1 schematically shows a motor vehicle 10 comprising a front-end module (not shown) located in the front part of the motor vehicle 10, said front-face module comprising a support (not shown).
• the motor vehicle 10 comprises a shield 12 adapted to be assembled on the front module module support of the motor vehicle 10.
• the shield 12 comprises an upper air inlet 14 located in the upper part of the shield 12 and defining an opening surface for an incoming airflow.
• the shield 12 also includes a lower air inlet 16 located in the lower part of the shield 12 and defining another aperture surface for an incoming airflow.
• the upper air inlet 14 comprises a first set of flaps, such as fixed flaps 22.
• the lower air inlet 16 comprises a second set of flaps 24, such as fixed or movable flaps. In the situation where the second set of flaps 24 includes movable flaps, said movable flaps are capable of pivoting about a horizontal axis (not shown).
• the motor vehicle 10 then comprises, in this embodiment, control means (not shown) for controlling the pivoting of the movable flaps.
• the flap assemblies 22,24 pivot between a closed position of the air inlets 14,16, thereby preventing air from passing through the predetermined opening surface of the air inlet, and a position of optimal opening allowing air to pass through the opening surface with the greatest flow possible.
• the upper air inlet 14 and the lower air inlet 16 are separated by a bumper structure 18 including, for example, the license plate 19.
• the shutter device also comprises an air deflector 20 here located in the lower part of the lower air inlet 16 at the shield 12.
• the air deflector 20 comprises means 3, 4 and 5.
• the air deflector 20 is in a first position called closed position, for which the air deflector 20 partially closes the inlet. lower air 16.
• Figure 2 shows the motor vehicle 0 and the shield 12 comprising the air deflector 20 in a second position, said open position, for which the opening surface of the second air inlet 16 is increased with respect to the opening surface of the second air inlet 16 in the closed position of the air deflector 20.
• all of said opening surface can be in contact with the air ambient, located outside of the motor vehicle 10.
• the flow rate of the air flow entering from the outside of the motor vehicle 10 to said second air inlet 16 is then maximal.
• the displacement of the air deflector makes it possible to disengage a second opening surface, distinct from the first opening surface where is registered the set of flaps 24 and as illustrated in Figure 1, so as to increase the dimensions and the overall opening area of said entrance 16 as shown in FIG.
• FIGS. 3 and 4 show a partial view in section of the front part of the motor vehicle 10 comprising the front-end module provided in particular with a heat exchanger 30.
• FIG. 3 shows the first air inlet 14, the second air inlet 16 with the flap assemblies 22, 24 in a retracted position, the bumper structure 18 and the air deflector 20 in a closed position, or closed, according to Figure 1.
• FIG. 4 shows the first air inlet 14, the second air inlet 16 with the shutter assemblies 22, 24 in a retracted position, the bumper structure 18 and the air deflector 20 in a position d 3 and 4 also show a first embodiment of the drive means of the air deflector 20.
• the drive means 26, 28 can comprise means for pivoting allowing the air deflector 20 to pivot between a closed position, shown in Figures 1 and 3, to an open position shown in Figures 2 and 4.
• the drive means 26, 28 are capable of moving the air deflector 20 about an axis of rotation (not shown).
• the drive means 26, 28 may then comprise a rotary actuator.
• the drive means 26, 28 are capable of moving the air deflector 20 along a guide member (not shown) to allow the air deflector 20 to slide, for example, to inside the front module module of the motor vehicle 10.
• the drive means may then comprise a translational actuator.
• the drive means 26, 28 may comprise a combination of a rotational actuator and a translational actuator for moving the air deflector 20 about an axis of rotation and along the axis of rotation. a guide element.
• FIG. 5 shows a partial view in section of the front part of the motor vehicle 10.
• the lower part of the shield 12 of the motor vehicle 10 is close to an obstacle 50.
• the front-end module of the motor vehicle 10 comprises a circuit air conditioning 60 including heat exchangers and fans.
• a detection device (not shown) comprising one or more sensors such as ultrasonic sensors, radars or a camera as disclosed in the state of the art, may be arranged on the bumper structure 18 of the motor vehicle 10, near the second air inlet 16.
• the detection device can detect the position of the air deflector 20 relative to the obstacle 50.
• the motor vehicle 10 may also comprise means additional control means associated with the sensing device for controlling the movement of the air deflector 20 to allow movement of the air deflector 20 from the closed position to the open position, or from the open position to the closed position.
• the air deflector 20 allows the lower part of the shield 12 to be movable and independent with respect to the upper part of said shield 12.
• the opening surface of the second air inlet 16 can vary according to the position of said air deflector 20.
• the open position of the air deflector 20 makes it possible to improve the cooling conditions of the devices located within the front-end module of the motor vehicle 10, without requiring any modifications of the dimensions of said devices and without increasing the overall height of the motor vehicle 0.
• the incoming air flow is then directed outside the motor vehicle, that is to say below the motor vehicle 10, close to the ground.
• the incoming air flow therefore does not generate resistance forces with respect to the movement of the motor vehicle 10. Consequently, the fuel consumption and the carbon dioxide emissions are also reduced optimally.
• the invention is not limited to the fact that the air deflector 20 forms at least a portion of the shield 12.
• the air deflector 20 can form at least a portion the front panel module support or the shutter device, in particular the air deflector 20, may be a separate element of the shield 12 and the support.
• a closure device where the air deflector 20 is arranged on the upper air inlet 14 of the vehicle.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=54937204

Family Applications (1)

Country Status (4)

Families Citing this family (5)

Family Cites Families (8)

• 2015
  • 2015-07-22 FR FR1556937A patent/FR3039102B1/fr active Active
• 2016
  • 2016-07-18 EP EP16742228.6A patent/EP3325302A1/de not_active Withdrawn
  • 2016-07-18 CN CN201680048858.2A patent/CN108136892A/zh active Pending
  • 2016-07-18 WO PCT/EP2016/067005 patent/WO2017013047A1/fr active Application Filing

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