WO2021043981A1 - Ensemble plancher de stockage d'énergie pour un véhicule à moteur - Google Patents

Ensemble plancher de stockage d'énergie pour un véhicule à moteur Download PDF

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Publication number
WO2021043981A1
WO2021043981A1 PCT/EP2020/074767 EP2020074767W WO2021043981A1 WO 2021043981 A1 WO2021043981 A1 WO 2021043981A1 EP 2020074767 W EP2020074767 W EP 2020074767W WO 2021043981 A1 WO2021043981 A1 WO 2021043981A1
Authority
WO
WIPO (PCT)
Prior art keywords
floor
vehicle
energy storage
housing
housing part
Prior art date
Application number
PCT/EP2020/074767
Other languages
German (de)
English (en)
Inventor
Nermin Kecalevic
Florian SCHOEWEL
Andreas Wolf
Juergen LESCHHORN
Marti PASCUAL
Roland Wanka
Jan Danneberg
Michael Kreitz
Marcel MEDER
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
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 Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Priority to CN202080061500.XA priority Critical patent/CN114302820A/zh
Publication of WO2021043981A1 publication Critical patent/WO2021043981A1/fr

Links

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
    • 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
    • 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to an energy storage floor assembly for a motor vehicle according to the preamble of claim 1.
  • Such an energy storage floor assembly is already known from EP 2 468609 A2, in which a vehicle floor of the floor assembly is laterally bounded by respective side sills and stiffened by longitudinal and / or cross members.
  • a plurality of battery modules of an electrical energy storage device which is used to supply an electrical drive of the motor vehicle with electrical energy, is accommodated in a multi-part storage housing.
  • the storage housing has a frame-like construction of circumferential profile elements and a plurality of cross members so that the storage housing is inherently rigid and is attached to the underside of the vehicle floor via a plurality of respective screw connections in the area of the side sills and the cross members.
  • the storage housing is designed as a separate unit from the vehicle shell, only requirements with regard to the static and dynamic properties and the crash properties need to be met with regard to the connection of the storage housing to the vehicle shell.
  • the object of the present invention is to create an energy storage floor assembly for a motor vehicle which is extremely simple and low in weight and which fulfills the properties required of a storage housing with regard to its tightness.
  • the energy storage base assembly according to the invention is characterized in that an energy storage device formed from a plurality of battery modules is in a multi-part storage housing is received and arranged on the underside of a vehicle floor, which is designed as a housing part of the storage housing and is connected to at least one further housing part of the storage housing via at least one gas-tight connection.
  • An essential aspect of the present invention is therefore that the storage housing according to the invention is formed on the one hand by a vehicle floor on the body or shell and on the other hand at least one further housing part not belonging to the body or shell, which are connected to one another in the area of the gas-tight connection.
  • the use of the vehicle floor on the one hand as part of the motor vehicle body or the shell and on the other hand as a housing part of the storage housing has the advantage of dual use, which leads to considerable savings in installation space, weight and manufacturing costs.
  • the energy storage device is thus accommodated in a storage housing integrated into the body or shell, so that it is integrated particularly favorably on the body or shell, for example with regard to the crash requirements.
  • the gas-tight connection In order to avoid a gas leakage from the storage housing, for example in the event of a correspondingly serious accident or other emergency, for example as a result of the accident or an emergency within the energy storage device, between the bodyshell-side or body-side vehicle floor and the corresponding, not to Shell or housing part belonging to the body, the gas-tight connection according to the invention is provided. This gas-tight connection between the vehicle floor and the further housing part ensures the required tightness of the storage housing even in an emergency.
  • An advantageous embodiment of the invention provides that the further housing part and the vehicle floor are connected to one another in a central area of the storage housing via a plurality of mechanical connecting elements which are each sealed against the further housing part and the vehicle floor.
  • the respective connecting elements thus preferably penetrate an interior of the storage housing in order to ensure the favorable fastening of the further housing part on the underside of the vehicle floor also in a central region of the storage housing.
  • vibrations due to the weight of the energy storage device can be reduced and a particularly favorable fixing of the further housing part and the energy storage device be realized on the underside of the vehicle floor or on the vehicle body.
  • a further advantageous embodiment of the invention provides that the further housing part is connected to the vehicle floor in the area of the vehicle outer sides via a connection, in particular a flange connection, which runs at a distance within a respective side sill of the floor assembly.
  • the vehicle floor preferably has respective flanges or similar connecting elements which themselves run at a lateral distance within the respective side sills of the floor assembly and via which the vehicle floor is connected to the further housing part.
  • the vehicle floor on each outside of the vehicle comprises a support element extending over a length range and at a lateral distance within the respective side sill, which is preferably designed as that component of the vehicle floor which the connection or the flange connection forms to the further housing part, and in the area of which the gas-tight connection between the vehicle floor and the further housing part is also arranged.
  • the provision of the respective carrier elements results in a particularly stiff vehicle floor in the area of the connection point of the further housing part, so that a particularly solid connection between the vehicle floor and the further housing part results, which moreover forms the necessary and required gas-tight connection by means of a corresponding seal.
  • the stiffness of the flange connection ensured by means of the carrier element moreover particularly advantageously achieves the desired tightness.
  • a further advantageous embodiment of the invention provides that the flange connection of the further housing part and the vehicle floor comprises a plurality of mechanical connecting elements which are arranged on the outside of a seal running in the region of the flange connection.
  • Such an arrangement of the mechanical connecting elements has the particular advantage that they lie outside the gas-tight connection or the seal between the vehicle floor and the further housing part and consequently do not themselves have to be gas-tight.
  • the further housing part is designed as a floor element external to the shell. Such a floor element external to the shell can be manufactured particularly inexpensively and, for example, assume a corresponding function with regard to protecting the energy storage device arranged above the floor element.
  • the floor element can be created from a corresponding material or in a corresponding construction method, so that, as a so-called bollard protection when the sub-floor or the floor element is seated on a stone, a bollard, a curb or the like, it has sufficient rigidity and stability against being impressed or the like has in order to avoid damage to the energy storage device.
  • Another advantageous embodiment of the invention provides that the vehicle floor is designed as part of the painted vehicle shell.
  • an energy storage floor assembly has been shown to be particularly advantageous in which the vehicle floor can be assembled in the usual way in the shell and then provided with corresponding layers of paint in the context of a cathodic dip painting and optionally in the context of a further painting, after which the assembly of the storage housing with training the gas-tight connection can be made.
  • a method that is particularly simple and fast in terms of production technology can be achieved.
  • respective line and connecting elements of the energy storage device are provided with components of the motor vehicle positioned outside the storage housing, which pass through the further housing part of the storage housing and are sealed gas-tight from the storage housing. Accordingly, it has been shown to be particularly favorable if the respective line and connecting elements are led out of the storage housing via the further housing part, which itself does not belong to the motor vehicle body. A solution that is particularly simple in terms of production technology can be achieved in this way.
  • At least one outlet device for a gaseous or liquid medium is provided in the storage housing, in particular in the further housing part.
  • Such an outlet device enables the gaseous or liquid medium to be discharged in a targeted manner, for example in the event of an accident or other emergency.
  • Fig. 1 shows an exploded view of an energy storage floor assembly for a motor vehicle according to an embodiment, in which a vehicle floor of a motor vehicle body forms a housing part of a storage housing, on which a floor element can be attached as a further housing part of the storage housing according to the arrow shown, whereby a gas-tight storage housing for receiving an electrical energy storage device comprising a plurality of battery modules is created,
  • FIG. 2 shows a perspective view from below of the energy storage base assembly with the storage housing according to the embodiment in FIG. 1,
  • FIG. 4 shows a perspective view of the floor element according to the first embodiment, on which a plurality of battery modules of the energy storage device can be seen on the top,
  • FIG. 5 shows a partial and perspective sectional view of the gas-tight connection of the vehicle floor as the one housing part and the base element as the further housing part of the storage housing,
  • FIG. 6 shows a partial sectional view through the storage housing in the area of a mechanical connecting element between the vehicle floor and the floor element, the mechanical connecting element having a support element in the form of a pressure plate of a respective battery pack of the energy storage device,
  • FIG. 7 shows a perspective view of one of the battery packs of the energy storage device with respective pressure plates which have corresponding support elements for connecting the vehicle floor to the floor element
  • FIG. 8 shows a detail and perspective sectional view of two further mechanical connecting elements for connecting the vehicle floor to the floor element analogous to that according to FIG. 6,
  • FIGS. 9 shows a perspective sectional view through the motor vehicle body with the energy storage floor assembly described with reference to FIGS. 1 to 8,
  • FIG. 10 is a perspective exploded view of the motor vehicle body with the energy storage floor assembly according to FIG. 9, and FIG.
  • FIG. 11 shows a partial perspective view of a plurality of respective line and connecting elements of the energy storage device with components of the motor vehicle positioned outside the storage housing, which penetrate the storage housing in the area of the floor element.
  • a motor vehicle body 1 for an electrically operated motor vehicle is shown in a perspective exploded view and a perspective view from below.
  • This motor vehicle can, for example, be one with a fully electric drive (BEV) or a hybrid vehicle (PHEV), which has an internal combustion engine in addition to a purely electric drive.
  • the motor vehicle body 1 usually comprises a front end wall 2 of a passenger cell, which is adjoined at the front by a front structure 3 which, for example, comprises respective longitudinal members / engine supports 4 of a central longitudinal member level.
  • the end wall 2 merges into a transition area 5, which includes, for example, an inclined pedal floor or the like, into a vehicle floor 6, which delimits the passenger compartment at the bottom and extends to side sills 7 that extend horizontally on the outside in the longitudinal direction of the vehicle.
  • the vehicle floor 6 extends towards the rear as far as a transition area 8, in which the vehicle floor 6 merges into a rear vehicle structure 9.
  • the vehicle floor 6 is shown in FIG. 3 in a perspective illustration separately from the motor vehicle body 1.
  • the vehicle floor 6 comprises a one-piece main floor 10 which extends in the longitudinal direction of the vehicle forwards at least to the transition area 5 to the front end wall 2 and rearwards at least to a floor area 11 below and behind a front row of vehicle seats.
  • the position of this front row of vehicle seats can be recognized by respective seat cross members 12 in FIG. 1, on which the respective row of vehicle seats of the front row of vehicle seats rest.
  • the main floor 10 of the vehicle floor 6 is constructed in one piece and is connected via a gas-tight connection 13 running in the vehicle transverse direction to a rear floor element 14, which extends, for example, below a rear row of vehicle seats and comprises a so-called heel wall or a heel element 15, which is located below the rear row of vehicle seats is arranged.
  • the gas-tight connection 13 between the main floor 10 around the rear floor element 14 can be formed, for example, by a joint connection and / or a mechanical connection and additionally via at least one sealing element.
  • Both the main floor 10 and the rear floor element 14 extend over the at least substantially entire vehicle width, so that the vehicle floor 6 comprises only two components, namely the main floor 10 and the rear floor element 14.
  • the energy storage floor assembly comprises a further housing element in the form of a floor plate or a floor element 16, which - as can be seen in particular from FIGS. 1 to 4 - is in one piece and in the exemplary embodiment shown here is at least essentially flat except for an edge area is designed.
  • the floor element 16 and the vehicle floor 6 form respective housing parts of a storage housing 17, which is used to accommodate an electrical energy storage device 19 comprising a plurality of respective battery modules 18, which can be seen in FIGS is trained.
  • These battery modules 18 are combined to form a respective battery pack 20 shown in FIG. 7, with respective support elements being provided in the form of pressure plates 21 which are connected to one another via corresponding clamping elements 22 and brace the individual battery modules 18 with one another.
  • FIG. 4 two of these battery packs 20 are shown in a perspective view of the base element 16 in their arrangement provided on the top of the base element 16.
  • the two-part vehicle floor 6 and the floor element 16 represent the housing parts which form the storage housing 17 for the energy storage device 19. It is therefore necessary, among other things, for these two housing parts - the vehicle floor 6 on the shell side and the floor element 16 outside the shell - to be connected to one another via a gas-tight connection 26 running around the outer circumference, which can be seen in FIG. 5 in a partial and perspective sectional view of the energy storage floor assembly Need to become.
  • the vehicle floor 6 has, in a predominantly front length region of the main floor 10, a bead 23 which is clearly visible in FIG. 5, which is essentially U-shaped in cross section and through which a respective carrier element is formed which stiffens the vehicle floor 6 in particular in the longitudinal direction of the vehicle moreover provides a connection area or flange 24 of the vehicle floor 6 which, with a flange 25 on the side of the floor element 16, establishes the gas-tight connection 26.
  • the carrier element or the bead 23 is closed on the top by a closing element, for example a locking plate 27, for stiffening purposes.
  • the vehicle floor 5 extends in the area of the main floor 10 as far as a flange 28, with which the vehicle floor 6 and the laterally associated one Side sill 7 is connected.
  • the respective carrier element 23, which also forms the flange 24 for the gas-tight connection 26 to the floor element 16 is arranged at a lateral distance or at a distance from the respective side sill 7 in the transverse direction of the vehicle.
  • the storage housing 17 consequently ends at a lateral distance on the inside of the respective side sill 7. This has particularly advantageous advantages in the event of a side impact, for example.
  • the vehicle floor 6 is furthermore not only stiffened on the upper side by the seat cross members 12, but additional, special cross members are provided in order to increase the rigidity of the energy storage floor assembly. This makes it possible for the storage housing 17 to manage without essential stiffening elements or for the entire energy storage device with the storage housing 17 and the energy storage device 19 to be designed as an integral part of the motor vehicle body 1 or the shell.
  • the floor element 16 and thus the entire storage housing 17 ends at a lateral distance from the respective side sill 7.
  • the floor element extends to the transition area 5 between the vehicle floor 6 and the front wall 2.
  • the gas-tight connection 26 between the floor element 16 and the vehicle floor 6 also runs circumferentially.
  • the floor element 16 or the rear one extends to the rear Floor element 14 of the vehicle floor 6 as far as the transition area 8 to the rear vehicle structure 9.
  • the gas-tight connection 26 is provided, which consequently is essentially rectangular around the two housing parts - around the vehicle floor 6 and the floor element 16.
  • the gas-tight connection 6 or the flange connection comprises a plurality of mechanical connection elements, in the present case in the form of respective screw connection elements 29, which - based on the sealing direction - have one on the outside in the area of the flange connection between the flanges 24 and 25 extending seal 30 are arranged.
  • the storage housing 17 is sealed by means of the seal 30, preferably on the inside of the respective mechanical connecting elements 29, so that these themselves do not have to be sealed, but only the two flanges 24, 25 against one another.
  • the Screw connection elements 29 ensure that not only the respective flanges 24, 25 are pressed, but possibly also the seal 30.
  • This seal 30 can be, for example, an insert seal (in particular a flat seal or a profile seal), a dispersion seal (adhesive on one side or on both sides adhesive) or a glued-on seal. Common solutions here are known to the person skilled in the art.
  • the vehicle floor 6 is designed as part of the painted vehicle shell and is consequently manufactured together with the vehicle body 1 in a shell assembly. Subsequently, the motor vehicle body 1 and thus also the vehicle floor 6 are provided with corresponding layers of paint, for example in the context of a cathodic dip painting and possibly also a further painting step.
  • a plurality of respective mechanical connecting elements 31 are provided, by means of which the further housing part in the form of the floor element 16 and the vehicle floor 6 are connected to one another in a central area of the storage housing 17.
  • the mechanical connecting elements 31 essentially have two functions and advantages: on the one hand, the respective battery modules 18 or battery packs 20 are arranged directly with the vehicle floor 6 in a quasi-hanging arrangement or between the vehicle floor 6 and the floor element 16, and on the other hand, via the mechanical connecting elements 31, the floor element 16 itself is rigidly and stably connected to the vehicle floor 6 even in a central area.
  • the extremely stable energy store which is not only directly connected to the vehicle floor 6 at the edge in the area of the gas-tight connection 26, but also in the middle area.
  • Each of the mechanical connecting elements 31 comprises a support element 32, which in the present case - as can be seen in particular from FIGS. 4 and 7 - is designed as a respective pressure plate 21 of the respective battery pack 20.
  • This respective support element or the respective pressure plate 32 is provided with a through opening 33 for a screw element 34, as shown, for example, on the basis of FIG 6 in a partial sectional view through the energy storage base group or on the basis of FIG. 8, which also shows a partial and perspective sectional view through the energy storage base group, penetrated, the screw element 34 not only the respective pressure plate 21 of the corresponding Battery module 18 or battery pack 20, but also the respective housing parts of the storage housing 17, namely the floor element 16 and the vehicle floor 6, penetrated.
  • the respective screws 35 are inserted via respective openings 36 in the floor element 16 and via the through opening 33 in the respective pressure plate 21 and guided out of the vehicle floor 6 again through a respective opening 37 on the top and with a Screw nut 38 countered.
  • the respective screw elements 34 By tightening the respective screw elements 34, on the one hand, the floor element 16 is braced against the vehicle floor 6 - with the mediation of the respective pressure plate 21 - and, on the other hand, the respective battery pack 20 with the plurality of battery modules 18 is attached to the underside of the vehicle floor 6.
  • a gas-tight seal which is not further recognizable here, is provided so that overall each of the mechanical connecting elements 31 is also gas-tight, so that, for example, with In an emergency or an accident, the gas generated by the energy storage device cannot pass through this to the outside or into the vehicle interior.
  • the base element 16 has respective beads 40 on which the respective support elements in the form of the pressure plates 21 are supported on the inside. This ensures that the base element 16 - with the exception of the area of the beads 40 - is arranged at a distance a from the energy storage device 19 with the battery packs 20 of the battery modules 18. This has the advantage that small or medium-sized deformations of the base element 16 do not lead to contact with the energy storage device 19 or the battery packs 20 with the battery modules 18.
  • the respective pressure plate 21 or some other type of support element can also protrude below the respective battery pack 20 or the respective battery module 18, so that the distance a becomes even greater as a result. As a result, the areas near the beads 40 can also be better protected.
  • the battery packs 20 with the battery modules 18 are arranged in a front partial area of the storage housing 17.
  • the main floor 10 has a cuboid-like elevation 41 in its front partial area, which extends over approximately three quarters of its length in the longitudinal direction of the vehicle.
  • the rear floor element 14 of the vehicle floor 6 also has a corresponding elevation 42, starting from the heel wall 15 towards the rear. In this area, for example, connections or power electronics as well as additional components such as circuit breakers or the like can be provided.
  • lines 43 that can only be seen in FIG. 4 run, so that the storage housing 17 has a smaller cross section in this area.
  • An outlet device for a gaseous or liquid medium can also be provided in the storage housing 17, in particular in the base element 16. In this way, a targeted release of gas, for example, is possible, which is caused by the, for example, in an emergency or in the event of a collision
  • Energy storage device 19 is generated. Via such an outlet device, for example, water can also be discharged from the storage housing 17, which water has entered as a result of damage or has entered the storage housing 17 in some other way.
  • FIG. 11 shows, in a partial perspective view from below, the floor element 16, in the area of which several line and connection elements of the energy storage device 19 are led to the outside in the present case.
  • line and connection elements 44 for example, components positioned inside the storage housing 17 can be connected to components of the motor vehicle, in particular its electric drive, which are arranged outside of the storage housing 17.
  • the line and connection elements 44 are also sealed in a gas-tight manner in the passage area by the corresponding wall of the base element 16.
  • the storage housing 17 thus ensures the gas-tight accommodation and arrangement of the energy storage device 19 on the one hand and, on the other hand, the storage housing 17 itself is designed as an integral part of the motor vehicle body or the bodyshell, since it consists of a body-side housing part, namely the vehicle floor 6, and on the other is formed from a housing part external to the shell, namely the base element 16.
  • This configuration makes it possible for the motor vehicle body to take over essential stiffness and stability functions of the storage housing 17, so that this at least essentially manages without a carrier.

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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)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

L'invention concerne un ensemble plancher de stockage d'énergie pour un véhicule à moteur, comprenant un dispositif de stockage d'énergie électrique (19) qui comprend une pluralité de modules de batterie (18) et qui est logé dans un boîtier de stockage en plusieurs parties (17) et disposé sur le côté inférieur d'un plancher de véhicule (6) du véhicule à moteur. L'invention vise à réaliser un ensemble plancher de stockage d'énergie pour un véhicule à moteur, ledit ensemble plancher de stockage d'énergie étant extrêmement simple et léger et répondant aux caractéristiques exigées d'un boîtier de stockage (17) en ce qui concerne l'étanchéité dudit boîtier de stockage, le plancher du véhicule (6) forme une partie du boîtier de stockage (17) et est relié à au moins une partie de boîtier supplémentaire (16) du boîtier de stockage (17) au moyen d'au moins une liaison étanche aux gaz (26).
PCT/EP2020/074767 2019-09-05 2020-09-04 Ensemble plancher de stockage d'énergie pour un véhicule à moteur WO2021043981A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080061500.XA CN114302820A (zh) 2019-09-05 2020-09-04 用于机动车的蓄能器底板组件

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019123842.0A DE102019123842A1 (de) 2019-09-05 2019-09-05 Energiespeicher-Bodengruppe für einen Kraftwagen
DE102019123842.0 2019-09-05

Publications (1)

Publication Number Publication Date
WO2021043981A1 true WO2021043981A1 (fr) 2021-03-11

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PCT/EP2020/074767 WO2021043981A1 (fr) 2019-09-05 2020-09-04 Ensemble plancher de stockage d'énergie pour un véhicule à moteur

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CN (1) CN114302820A (fr)
DE (1) DE102019123842A1 (fr)
WO (1) WO2021043981A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021119112A1 (de) 2021-07-23 2023-01-26 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug mit einer sicher befestigten Batterie

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EP2468609A2 (fr) 2010-12-22 2012-06-27 Tesla Motors, Inc. Système d'absorption et de répartition d'un impact latéral utilisant un bloc-batterie intégré
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CN203787484U (zh) * 2014-02-11 2014-08-20 上海汽车集团股份有限公司 一种车辆动力电池壳体
JP6520808B2 (ja) * 2016-04-21 2019-05-29 トヨタ自動車株式会社 車両のバッテリ搭載構造
DE102016005264B4 (de) * 2016-04-29 2021-03-18 Audi Ag Rohbau eines Kraftfahrzeugs
CN106494208A (zh) * 2016-11-17 2017-03-15 上海蓥石汽车技术有限公司 一种电动汽车电池包固定结构
JP7359527B2 (ja) * 2017-05-31 2023-10-11 トヨタ自動車株式会社 電池搭載構造

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2468609A2 (fr) 2010-12-22 2012-06-27 Tesla Motors, Inc. Système d'absorption et de répartition d'un impact latéral utilisant un bloc-batterie intégré
DE102011113238A1 (de) * 2011-09-13 2012-04-26 Daimler Ag Karosseriestruktur für einen Kraftwagen, sowie Kraftwagen
WO2016012663A1 (fr) * 2014-07-24 2016-01-28 Courb Vehicule terrestre a cloche etanche pour unite d'alimentation electrique et procede de fabrication afferent

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CN114302820A (zh) 2022-04-08
DE102019123842A1 (de) 2021-03-11

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