EP1592586A1 - Zone terminale avant - Google Patents

Zone terminale avant

Info

Publication number
EP1592586A1
EP1592586A1 EP04702667A EP04702667A EP1592586A1 EP 1592586 A1 EP1592586 A1 EP 1592586A1 EP 04702667 A EP04702667 A EP 04702667A EP 04702667 A EP04702667 A EP 04702667A EP 1592586 A1 EP1592586 A1 EP 1592586A1
Authority
EP
European Patent Office
Prior art keywords
engine compartment
area according
end area
bumper arrangement
molded part
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Withdrawn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
EP04702667A
Other languages
German (de)
English (en)
Inventor
Jürgen KOPPENHÖHL
Frank Michalak
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1592586A1 publication Critical patent/EP1592586A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D35/00—Vehicle bodies characterised by streamlining
    • B62D35/005—Front spoilers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/04—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement
    • B60R19/12—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects formed from more than one section in a side-by-side arrangement vertically spaced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
    • B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1886—Bumper fascias and fastening means therefor
    • 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
    • Y02T10/82—Elements for improving aerodynamics

Definitions

  • the invention relates to a front end area of a motor vehicle, in particular a passenger car, according to the preamble of claim 1.
  • An aerodynamic and adjustable underbody front end for a motor vehicle is known from DE 42 08 999 C2.
  • This consists of a rigid bow pan, which can be lowered with the help of an adjustment mechanism into a bulkhead position from at least one lower position and forward in the direction of travel, vertical bulkhead walls of the bow pan reaching under vertical sections of the body in each pan position and a closed transition with the body form.
  • the bottom of the tub extends essentially over the entire underbody Opening of the engine compartment, with vertical bulkheads adapted to the wheel arches.
  • the front of the front hull is formed over a region between the front wheels as a front apron, which forms a Venturi cross-section in the lowered operative position with a roadway, the front hull and a pivot axis arranged in the floor or in the front trough below its basic position being designed to be pivotable.
  • a lowerable underbody paneling for the front end of motor vehicles is known. This is formed by an inherently rigid, elastically deformable plate and can be deflected against a roadway by means of an adjustment mechanism. Due to the possibility of elastic deformation of the underbody cladding while maintaining the flat transition to the front body parts, the position of the underbody cladding can be adapted to the given driving conditions without additional unwanted air flow influences that have to be compensated for by new control processes.
  • a cover of an underside of a passenger car is known.
  • This consists of a flat trough arranged under the chassis frame and the vehicle floor, which has cutouts for the wheels and raised edges.
  • the edges of the tub protrude beyond the edges of the car body.
  • These protruding trough edges replace the bumpers that are otherwise present on the front and rear end faces of the motor vehicle and form a bumper on the long sides of the vehicle, where they protrude beyond the lower edge of the doors.
  • the edge of the trough is wider at the front and rear than at the long sides.
  • the present invention is concerned with the problem of improving a front end area of a motor vehicle. Serte embodiment to specify, in particular the consequences of an accident for a pedestrian to be reduced.
  • a lower engine compartment trim is designed as a rigid molded part and is extended in its front area to under and behind a front end of the bumper arrangement.
  • the molded part extends essentially over the entire width of the vehicle and thereby offers the advantage of a rigidity which is basically the same over the entire width of the vehicle.
  • the molded part designed in this way provides effective support for the lower leg of the pedestrian, as a result of which penetration below the bumper and thus a large knee bending angle can be avoided.
  • the extended engine compartment trim means that the pedestrian hits the easily deformable bonnet in the event of a crash and is not overrun by the vehicle.
  • the solution according to the invention makes it easier to meet the high statutory requirements for pedestrian protection that will apply in the future, and on the other hand reduces the risk of accidents for pedestrians.
  • the molded part is much cheaper and easier to manufacture than an additional lower cross member.
  • provision can be made to form at least the front area of the engine compartment lining from plastic and / or to integrate structural elements stiffening at least in the front area of the engine compartment lining. Due to their material properties and their shaping possibilities, plastics are considered to be particularly suitable for the automotive industry. By forming the molded part from plastic and integrating stiffening structural elements, weight can be saved on the one hand and on the other hand it is possible to significantly reduce the costs for the production of the molded part compared to the costs of a known cross member. The stiffness of the molded part can also be individually influenced by the stiffening structural elements.
  • a particularly favorable embodiment of the solution according to the invention is characterized in that the front region of the engine compartment lining has a higher rigidity than the bumper arrangement and / or that at least the front region of the engine compartment lining has a uniform rigidity over the vehicle width.
  • the easily deformable bumper arrangement dampens the first impact and thus the consequences of an accident for the pedestrian, whereas the higher rigidity in the front area of the engine compartment trim ensures that the pedestrian's lower leg is supported and thus an excessive knee bending angle and / or the penetration of the lower leg into one Space below the bumper is avoided.
  • the pedestrian is thrown onto the relatively soft and easily deformable bonnet and is not overrun by the vehicle, which has the consequence that a possible risk of injury to the pedestrian is significantly reduced.
  • An advantageous development of the invention is characterized by a cladding element arranged at the front end of the molded part.
  • the cladding element can serve purely design purposes and / or, according to a further embodiment, be designed to absorb energy. This makes it possible, on the one hand, to individually dress the front lower end region of the vehicle and thus influence the overall visual impression of the front region of the vehicle, and on the other hand, the energy-absorbing design ensures an impact-absorbing effect. Further important features and advantages of the invention emerge from the subclaims, from the drawings and from the associated description of the figures with reference to the drawings.
  • FIG. 1 is a plan view of an engine compartment trim according to the invention
  • Fig. 2 shows a cross section through the engine compartment trim with adjacent body parts.
  • an engine compartment trim 1 according to the invention has an essentially plate-like shape.
  • the stability and / or rigidity of the engine compartment trim 1 is increased by beads 9 and / or sheet-like depressions 10 or bulges 15 that run essentially parallel to the greatest longitudinal extent.
  • recesses 5 can also be provided (cf. FIG. 2), through which cooling air can be introduced into an engine compartment 16 to improve engine cooling.
  • the engine compartment trim 1 can advantageously be partially or completely or at least in a front area 14, which runs along a front edge 19, be made of plastic.
  • the front edge 19 extends according to FIG. 1 in a curved shape essentially in the transverse direction of the vehicle and is oriented on the course of a front end region 12 of a motor vehicle, not otherwise shown.
  • the engine compartment trim 1 On the side opposite the front edge 19, the engine compartment trim 1 has a strongly wavy rear area 17, at which a plurality of connection points 10 are arranged, two of which are identified by way of example in FIG. 1 and which are used to fasten the engine compartment trim 1 to a body of the body, not shown Serve vehicle.
  • the engine compartment trim 1 can be designed as a deep-drawn part or in some other way as a molded part and is therefore also referred to below as molded part 1.
  • the depressions 10, the beads 9 and the bulges 15 are arranged in such a way that, at least in the front region 14 of the engine compartment trim 1 along the edge 19, a uniform stiffness is achieved across the vehicle width. Regardless of the direction of an applied force 2, 1 "or 2", the engine compartment trim 1 accordingly has an at least similarly large deformation resistance.
  • the engine compartment trim 1 is extended in its front region 14 to below and behind a front end of a bumper arrangement 3 or a trim element 8.
  • the bumper arrangement 3 or the cladding element 8 have a lower rigidity than at least the front area 14 of the molded part 1.
  • the cladding element 8 can be designed as part of the bumper arrangement 3 and absorbs energy Have properties.
  • the engine compartment trim 1 is attached to its rear region 17, viewed in the direction of travel, via a mounting element 11 on an integral support 6, which is part of a body, not shown.
  • structural elements 7 stiffening can be arranged on the engine compartment lining 1.
  • the trim element 8 In the front area 14 of the molded part 1, that is to say along the front edge 19, the latter is designed as a detent 4 and engages in a corresponding receptacle 18 which is arranged on the trim element 8. As a result, a streamlined and closed transition can be produced between the covering element 8 and the molded part 1. As mentioned above, it is also conceivable in principle to design the trim element 8 as an integral part of the bumper arrangement 3.
  • the engine compartment trim 1 is arranged behind and under the bumper arrangement 3 such that a vertical distance V between the bumper arrangement 3 and the engine compartment trim 1 is greater than a horizontal distance H between the respective front end regions of the bumper arrangement 3 and the molded part 1 (cf. Fig. 2).
  • a tangent T applied to the front of the front end of the bumper arrangement 3 and the molded part 1, which runs in a vertical plane parallel to the longitudinal direction of the vehicle, has an inclination angle ⁇ of less than 15 degrees with respect to that Vertical on. In this way, the desired support of the lower leg of the pedestrian is achieved in the event of an impact and penetration below the bumper arrangement 3 is avoided.
  • a lower engine compartment trim 1 is designed as a rigid molded part and is extended in its front region 14 to below and behind a front end of the bumper arrangement 3, thereby providing effective support for the lower leg of a pedestrian who collides with the vehicle and thereby penetration below the bumper assembly 3 and an excessive knee bending angle are avoided.
  • the molded part 1 is much cheaper and easier to manufacture than, for example, an additional cross member.

Landscapes

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

Abstract

L'invention concerne une zone terminale avant (12) d'automobile, notamment de voiture particulière, comportant un système de pare-chocs (3) à absorption d'énergie et un habillage inférieur de compartiment moteur (1), qui prolonge une extrémité avant du système de pare-chocs (3), dans une zone avant (14), jusqu'en bas et à l'arrière et se présente sous forme de pièce moulée rigide.
EP04702667A 2003-02-12 2004-01-16 Zone terminale avant Withdrawn EP1592586A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10305652A DE10305652A1 (de) 2003-02-12 2003-02-12 Frontendbereich
DE10305652 2003-02-12
PCT/EP2004/000285 WO2004071822A1 (fr) 2003-02-12 2004-01-16 Zone terminale avant

Publications (1)

Publication Number Publication Date
EP1592586A1 true EP1592586A1 (fr) 2005-11-09

Family

ID=32797345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04702667A Withdrawn EP1592586A1 (fr) 2003-02-12 2004-01-16 Zone terminale avant

Country Status (5)

Country Link
EP (1) EP1592586A1 (fr)
JP (1) JP2006515247A (fr)
BR (1) BRPI0407369A (fr)
DE (1) DE10305652A1 (fr)
WO (1) WO2004071822A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004057214A1 (de) * 2004-11-26 2006-06-01 Audi Ag Frontbereich einer Verkleidung eines Kraftfahrzeuges, mit einem Stoßabsorberelement für den Frontbereich
DE102005009768A1 (de) * 2005-03-03 2006-09-07 Hbpo Gmbh Karosseriefrontstruktur mit Fußgängerschutzeinrichtung
DE102005037149B4 (de) * 2005-08-06 2016-01-21 Daimler Ag Frontstruktur eines Kraftfahrzeugs
DE102005039469A1 (de) 2005-08-20 2007-02-22 Hbpo Gmbh Frontendmodul mit einem Montageträger mit unterem Querträger
FR2936755B1 (fr) * 2008-10-02 2010-10-22 Peugeot Citroen Automobiles Sa Poutre d'absorption de choc et vehicule automobile equipe d'une telle poutre.
DE202009017309U1 (de) 2009-12-18 2010-03-25 Peguform Gmbh Unterbodenverkleidung
EP2666674B1 (fr) * 2011-01-19 2015-08-19 Honda Motor Co., Ltd. Structure avant de carrosserie d'automobile
CN104129350B (zh) * 2014-07-10 2017-05-10 奇瑞汽车股份有限公司 一种前保险杠与翼子板配合翻边防缩痕结构
FR3084874B1 (fr) * 2018-08-07 2020-09-18 Psa Automobiles Sa Jupe de pare-chocs avec patte a bords releves pour mise en place d’un deflecteur sous-plancher
FR3102120B1 (fr) * 2019-10-16 2022-06-24 Psa Automobiles Sa Pare-chocs pour véhicule automobile
CN114291027A (zh) * 2021-12-06 2022-04-08 智马达汽车有限公司 一种车辆前端的行人腿部防护装置及车辆

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8505038U1 (de) * 1985-02-22 1985-05-15 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart Aerodynamische verkleidung an der unterseite von personenwagen
FR2791311B1 (fr) * 1999-03-25 2001-05-18 Plastic Omnium Cie Pare-chocs muni d'un appui bas
FR2791628B1 (fr) * 1999-03-29 2001-06-22 Peguform France Combinaison d'une peau de pare-chocs et d'un carenage sous moteur pour vehicule
FR2796030B1 (fr) * 1999-07-06 2001-09-14 Plastic Omnium Cie Structure avant de vehicule automobile
GB0124108D0 (en) * 2001-10-06 2001-11-28 Ford Global Tech Inc A bumper assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004071822A1 *

Also Published As

Publication number Publication date
DE10305652A1 (de) 2004-09-02
BRPI0407369A (pt) 2006-02-14
WO2004071822A1 (fr) 2004-08-26
JP2006515247A (ja) 2006-05-25

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