DE102011102412A1 - Arrangement for traction battery in vehicle, has deformation crossbeam connected with supporting frame, where crossbeam is arranged behind supporting frame for absorbing impact forces at rear-end collision for free deformation path - Google Patents
Arrangement for traction battery in vehicle, has deformation crossbeam connected with supporting frame, where crossbeam is arranged behind supporting frame for absorbing impact forces at rear-end collision for free deformation path Download PDFInfo
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- DE102011102412A1 DE102011102412A1 DE102011102412A DE102011102412A DE102011102412A1 DE 102011102412 A1 DE102011102412 A1 DE 102011102412A1 DE 102011102412 A DE102011102412 A DE 102011102412A DE 102011102412 A DE102011102412 A DE 102011102412A DE 102011102412 A1 DE102011102412 A1 DE 102011102412A1
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- Germany
- Prior art keywords
- cross member
- support frame
- deformation
- traction battery
- vehicle
- Prior art date
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Links
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/087—Luggage compartments
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0416—Arrangement in the rear part of the vehicle
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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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
Description
Die Erfindung betrifft eine Anordnung einer Traktionsbatterie in einem Fahrzeug nach dem Oberbegriff des Patentanspruches 1.The invention relates to an arrangement of a traction battery in a vehicle according to the preamble of
Die Traktionsbatterie eines Fahrzeugs kann beispielhaft mittig im Fahrzeug am Unterboden der Karosserie positioniert sein. Eine solche Positionierung ist hinsichtlich der Crashsicherheit, insbesondere bei Frontal- und Heckkollisionen des Fahrzeuges aufgrund der gegebenen Deformationswege relativ unkritisch. Dagegen besteht bei einer Anordnung der Traktionsbatterie im Fahrzeugheck jedoch aufgrund des geringen, zur Verfügung stehenden Deformationsraumes zwischen dem Fahrzeugheck und der Traktionsbatterie die Gefahr, dass bei einer Heckkollision die Traktionsbatterie beschädigt wird.The traction battery of a vehicle may be positioned, for example, centrally in the vehicle on the underbody of the body. Such positioning is relatively uncritical in terms of crash safety, especially in frontal and rear collisions of the vehicle due to the given deformation paths. In contrast, with an arrangement of the traction battery in the rear of the vehicle, however, due to the small, available deformation space between the rear of the vehicle and the traction battery, the risk that the traction battery is damaged in a rear-end collision.
Die Traktionsbatterie kann in einem Tragrahmen gehaltert sein, der die Traktionsbatterie umgibt und auf dem die Traktionsbatterie abgestützt ist. Bei einer Heckkollision muss gewährleistet sein, dass insbesondere die Befestigungsstellen zwischen der Batterie und dem Tragrahmen örtlich nicht verändert werden, um eine übermäßig große Krafteinleitung in die Traktionsbatterie zu vermeiden.The traction battery may be mounted in a support frame that surrounds the traction battery and on which the traction battery is supported. In the event of a rear-end collision, it must be ensured that, in particular, the attachment points between the battery and the supporting frame are not locally changed in order to avoid an excessively large introduction of force into the traction battery.
Aus der
Die Rückwand des Schutzgehäuses wirkt somit bei einer Heckkollision als ein, die Aufprallkräfte aufnehmender Querträger. Andererseits begrenzt die Rückwand des Schutzgehäuses zugleich auch den Batterieaufnahmeraum. Da somit die Rückwand des Schutzgehäuses unmittelbar an die Traktionsbatterie grenzt, ist die Batteriebefestigung innerhalb des Schutzgehäuses nicht von einer unfallbedingten Krafteinleitung entkoppelt.The rear wall of the protective housing thus acts in a rear-end collision as a, the impact forces absorbing cross member. On the other hand, the rear wall of the protective housing also limits the battery receiving space at the same time. Thus, since the rear wall of the protective housing directly adjoins the traction battery, the battery attachment within the protective housing is not decoupled from an accidental introduction of force.
Aus der
Die Aufgabe der Erfindung besteht darin, mit im Vergleich zum Stand der Technik reduziertem Materialeinsatz die Crashsicherheit einer im Fahrzeugheck angeordneten Traktionsbatterie hinsichtlich einer Heckkollision des Fahrzeuges zu erhöhen.The object of the invention is to increase the crash safety of a rear-mounted traction battery with respect to a rear-end collision of the vehicle with reduced compared to the prior art material use.
Die Aufgabe ist durch die Merkmale des Patentanspruches 1 gelöst. Bevorzugte Weiterbildungen der Erfindung sind in den Unteransprüchen offenbart.The object is solved by the features of
Die Erfindung beruht auf den Sachverhalt, dass im Stand der Technik gemäß der
Die Traktionsbatterie ist bekanntermaßen aus einem äußeren Batteriegehäuse beziehungsweise einen Batteriekasten aufgebaut, in dem Batteriezellen zusammengefügt sind. Der Batteriekasten kann über Befestigungsstellen, etwa Schraubstellen, am Tragrahmen montiert sein. Hinsichtlich einer Heckkollision kritisch sind insbesondere die Befestigungsstellen zwischen der Traktionsbatterie und dem hinteren Tragrahmen-Querträger. Dem hinteren Tragrahmen-Querträger ist daher erfindungsgemäß der bereits oben erwähnte Deformations-Querträger nachgelagert, dessen Länge in der Fahrzeugquerrichtung im Wesentlichen der Breite des Tragrahmens entspricht. Der Deformations-Querträger und der hintere Tragrahmen-Querträger können im Wesentlichen mit gleicher Länge ausgebildet sein. Zudem ist zu gewährleisten, dass speziell die oben erwähnten hinteren Befestigungsstellen zwischen der Traktionsbatterie und dem hinteren Tragrahmen-Querträger bei einer Heckkollision örtlich unverändert bleiben. Hinsichtlich der Crashsicherheit ist es daher bevorzugt, wenn sowohl der Tragrahmen-Querträger als auch dessen Befestigungsstellen mit der Traktionsbatterie in einer Projektionsfläche quer zur Fahrzeuglängsrichtung von dem Deformations-Querträger überdeckt sind. Die im Heckkollisions-Fall nach vorne gerichteten Aufprallkräfte werden daher allesamt zunächst in den Deformations-Querträger eingeleitet, wohingegen der Tragrahmen-Querträger und dessen Befestigungsstellen von den Aufprallkräften abgeschirmt bzw. entkoppelt sind.The traction battery is known to be composed of an outer battery case or a battery box, are assembled in the battery cells. The battery box can be mounted on the support frame via fastening points, such as screw points. With regard to a rear-end collision, in particular the attachment points between the traction battery and the rear support frame cross member are critical. The rear support frame cross member is therefore according to the invention the above-mentioned deformation Downsized cross member whose length in the vehicle transverse direction substantially corresponds to the width of the support frame. The deformation cross member and the rear support frame cross member may be formed with substantially the same length. In addition, it must be ensured that, in particular, the abovementioned rear attachment points between the traction battery and the rear support frame cross member remain locally unchanged in a rear-end collision. With regard to crash safety, it is therefore preferable if both the support frame cross member and its attachment points with the traction battery are covered in a projection surface transverse to the vehicle longitudinal direction of the deformation cross member. The impact forces directed forward in the rear-end collision case are therefore all initially introduced into the deformation cross member, whereas the support frame cross member and its attachment points are shielded or decoupled from the impact forces.
Jede der oben genannten Befestigungsstellen kann zumindest eine Befestigungskonsole aufweisen, die um eine vorgegebene Bauhöhe vom hinteren Tragrahmen-Querträger nach oben ragt. Der Batteriekasten kann seitlich abragende Tragflansche aufweisen, über der Batteriekasten hängend auf einer Oberseite der Befestigungskonsole abstützbar ist. Zur Sicherung dieser Verbindung kann bevorzugt der Tragflansch des Batteriekastens über eine Schraubverbindung mit der Oberseite der Befestigungskonsole verschraubt werden. In diesem Fall wird daher die Befestigungsstelle durch die Befestigungskonsole und den darauf abgestützten Batterie-Tragflansch realisiert. Bevorzugt kann der, in der Fahrzeuglängsrichtung nachgelagerte Deformations-Querträger die vorgenannte Befestigungsstelle um einen Höhenversatz überragen oder zumindest auf gleicher Weise wie die Befestigungsstelle abschließen, um die Befestigungsstelle vor einer unmittelbaren Krafteinleitung abzuschirmen.Each of the above attachment points may have at least one attachment bracket, which projects upwards by a predetermined height from the rear support frame cross member. The battery box may have laterally projecting support flanges, over which the battery box can be supported in a suspended manner on an upper side of the mounting bracket. To secure this connection, the flange of the battery box can preferably be screwed to the top of the mounting bracket via a screw connection. In this case, therefore, the attachment point is realized by the attachment bracket and the battery support flange supported thereon. Preferably, the downstream in the vehicle longitudinal direction deformation cross member project beyond the aforementioned attachment point by a vertical offset or at least complete in the same way as the attachment point to shield the attachment point from an immediate application of force.
Der Deformations-Querträger und der hintere Tragrahmen-Querträger können zu einer Baueinheit zusammengefügt sein und zusammen einen hinteren Doppelquerträger des Tragrahmens bilden. Der Deformations-Querträger kann dabei beispielhaft in einem Bereich von 2 bis 5 cm vom hinteren Tragrahmen-Querträger beabstandet sein. Der nachgelagerte Deformations-Querträger kann an seinen, in die Fahrzeugquerrichtung weisenden Stirnseiten jeweils über Anbindungsstellen am Tragrahmen, insbesondere an dessen hinteren Eckbereichen, angebunden sein. Demgegenüber kann die hintere Befestigungsstelle des Tragrahmens zwischen den beiden Eckbereichen an einem mittleren Bereich des hinteren Tragrahmen-Querträgers vorgesehen werden. Die Anbindungsstreben können dabei gemäß einer Ausführungsform mit sehr hoher Verbindungssteifigkeit am Tragrahmen angebunden sein. Bei einer Heckkollision würde in diesem Fall lediglich der Mittelbereich zwischen den beiden seitlichen Stirnseiten des Deformations-Querträgers durchgebogen werden, während dessen seitliche Stirnseiten aufgrund der hohen Verbindungssteifigkeit nahezu örtlich unverändert bleiben. Alternativ dazu kann auf eine derart hohe Verbindungssteifigkeit an den Anbindungsstellen zum Tragrahmen verzichtet und anstelle dessen eine weiche Anbindung gewählt werden. Beispielhaft können an den Verbindungsstellen Deformationsglieder vorgesehen werden, wodurch es bei einer Heckkollision zu einer linearen Verlagerung des Deformations-Querträgers kommt.The deformation cross member and the rear support frame cross member may be assembled into a unit and together form a rear double cross member of the support frame. The deformation cross member may be spaced by way of example in a range of 2 to 5 cm from the rear support frame cross member. The downstream deformation cross member may be connected at its, in the vehicle transverse direction facing end sides in each case via attachment points on the support frame, in particular at the rear corner regions. In contrast, the rear attachment point of the support frame between the two corner regions may be provided at a central portion of the rear support frame cross member. The connection struts can be connected to the support frame according to an embodiment with very high connection stiffness. In a rear-end collision in this case, only the central region between the two lateral end faces of the deformation cross member would be bent, while the lateral end faces remain virtually locally unchanged due to the high connection stiffness. Alternatively, it is possible to dispense with such a high connection rigidity at the connection points to the support frame and instead choose a soft connection. By way of example, deformation members can be provided at the connection points, as a result of which, in the event of a rear-end collision, a linear displacement of the deformation cross member occurs.
Wie bereits oben erwähnt, kann der Tragrahmen die Traktionsbatterie umfangsseitig einrahmen. Der Tragrahmen kann neben den hinteren Tragrahmen-Querträger zusätzlich einen vorderen Tragrahmen-Querträger sowie zwei seitliche Längsträger aufweisen. Zudem kann der Batteriekasten umfangsseitig angeordnete Tragflansche aufweisen, mit deren Hilfe der Batteriekasten hängend auf den Tragrahmen abstützbar ist.As already mentioned above, the support frame can frame the traction battery on the circumference. The support frame, in addition to the rear support frame cross member additionally have a front support frame cross member and two lateral side members. In addition, the battery box may have circumferentially arranged support flanges, by means of which the battery box can be supported in a suspended manner on the support frame.
Wie bereits oben angedeutet, ist die Anordnung der Traktionsbatterie im Fahrzeugheck aufgrund der gegebenen, vergleichsweise geringen Deformationswege kritisch. Zur Steigerung der verfügbaren Deformationswege ist es daher besonders vorteilhaft, wenn der hintere Tragrahmen-Querträger und/oder die Befestigungskonsole zur Halterung des Batteriekastens im Seitenprofil zumindest eine Hinterschneidung aufweisen, in die sich der Deformations-Querträger bei einer Heckkollision im Wesentlichen berührungsfrei hinein verlagern kann. Die Hinterschneidung ist daher im Wesentlichen konturangepasst an die Außenkontur des Deformations-Querträgers.As already indicated above, the arrangement of the traction battery in the rear of the vehicle due to the given, relatively small deformation paths is critical. To increase the available deformation paths, it is therefore particularly advantageous if the rear support frame cross member and / or the mounting bracket for holding the battery box in the side profile have at least one undercut, in which the deformation cross member can move in a rear-end collision substantially without contact. The undercut is therefore essentially contour-adapted to the outer contour of the deformation cross member.
Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen. Bevorzugte Ausführungsbeispiele der Erfindung sind in den nachfolgenden Figuren ausführlich erläutert.It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention. Preferred embodiments of the invention are explained in detail in the following figures.
Es zeigen:Show it:
In der
In der Fahrzeuglängsrichtung x hinter dem Tragrahmen-Querträger
Wie aus den
Wie aus der
In der
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Traktionsbatterietraction battery
- 33
- Radhäuserwheel arches
- 55
- Tragrahmensupporting frame
- 77
- Tragrahmen-LängsträgerSupport frame longitudinal member
- 99
- vorderer Tragrahmen-Querträgerfront support frame cross member
- 1111
- hinterer Tragrahmen-Querträgerrear support frame cross member
- 1313
- Karosseriebodenbody floor
- 1515
- Karosserie-LängsträgerBody-side member
- 1717
- Deformations-QuerträgerDeformation crossmember
- 1919
- Doppel-QuerträgerDouble crossmember
- 2121
- U-ProfilU-profile
- 2323
- U-SchenkelU-leg
- 2424
- U-BasisU-base
- 2525
- Befestigungskonsolemounting bracket
- 2626
- Basisplattebaseplate
- 2727
- Tragflanschflange
- 2929
- Schraubverbindungscrew
- 3131
- Batteriekastenbattery box
- 3333
- Eckbereichecorner areas
- 3434
- Anbindungsstrebenconnection struts
- 35, 3635, 36
- HohlprofilabschnitteHollow profile sections
- 3737
- Verbindungsstegconnecting web
- 3939
- Freiraumfree space
- 4141
- Hinterschnittundercut
- 4343
- Versteifungselementstiffener
- dd
- Deformationswegdeformation
- hH
- Bauhöheheight
- Δh.delta.h
- Höhenversatzheight offset
- FF
- HeckaufprallkräfteRear impact forces
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102007023392 A1 [0004, 0009] DE 102007023392 A1 [0004, 0009]
- WO 2010/136689 A1 [0006] WO 2010/136689 A1 [0006]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011102412.7A DE102011102412B4 (en) | 2011-05-25 | 2011-05-25 | Arrangement of a traction battery in a vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011102412.7A DE102011102412B4 (en) | 2011-05-25 | 2011-05-25 | Arrangement of a traction battery in a vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102011102412A1 true DE102011102412A1 (en) | 2012-11-29 |
DE102011102412B4 DE102011102412B4 (en) | 2023-06-29 |
Family
ID=47140309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102011102412.7A Active DE102011102412B4 (en) | 2011-05-25 | 2011-05-25 | Arrangement of a traction battery in a vehicle |
Country Status (1)
Country | Link |
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DE (1) | DE102011102412B4 (en) |
Cited By (16)
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DE102013102501A1 (en) * | 2013-03-13 | 2014-09-18 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | motor vehicle |
DE102013102502A1 (en) | 2013-03-13 | 2014-09-18 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle with a protective profile |
WO2014170064A1 (en) * | 2013-04-18 | 2014-10-23 | Volkswagen Aktiengesellschaft | Battery arrangement in a two-track vehicle |
FR3009707A1 (en) * | 2013-08-14 | 2015-02-20 | Peugeot Citroen Automobiles Sa | REINFORCED VEHICLE REAR AND SEAT FLOORS |
EP2839524B1 (en) * | 2012-04-17 | 2016-04-06 | Renault S.A.S. | Elements for reinforcement against external stresses for a power supply battery |
DE102015112088A1 (en) * | 2015-07-24 | 2017-01-26 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Fastening element for a battery receptacle of a body |
CN106414132A (en) * | 2014-04-16 | 2017-02-15 | 通用汽车环球科技运作公司 | Protecting device of battery for electrical automobile |
EP3293076A3 (en) * | 2016-09-07 | 2018-03-28 | Thunder Power New Energy Vehicle Development Company Limited | Offset vehicle crash elements |
CN109263455A (en) * | 2017-07-18 | 2019-01-25 | 丰田自动车株式会社 | Vehicle body front structure |
DE102017007406A1 (en) * | 2017-08-04 | 2019-02-07 | Audi Ag | Deformation device for a motor vehicle and motor vehicle with a deformation device |
DE102017118551A1 (en) * | 2017-08-15 | 2019-02-21 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle with a drive means, an energy storage means, a proppant and a protective means |
DE102018212099A1 (en) * | 2018-07-19 | 2020-01-23 | Mahle International Gmbh | accumulator |
DE102019202753B3 (en) | 2019-02-28 | 2020-07-23 | Volkswagen Aktiengesellschaft | Body structure for an electrically powered vehicle |
EP3831631A1 (en) * | 2019-06-19 | 2021-06-09 | HYMER Business Development GmbH | Leisure vehicle, in particular caravan |
CN114261269A (en) * | 2021-11-30 | 2022-04-01 | 东风汽车集团股份有限公司 | Automobile rear collision protection structure and hybrid electric vehicle |
US11539104B2 (en) | 2020-04-20 | 2022-12-27 | Toyota Motor Engineering & Manufacturing North America, Inc. | Battery pillar protector |
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