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
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L50/00—Electric propulsion with power supplied within the vehicle
  • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
  • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
  • B60L50/66—Arrangements of batteries
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/80—Exchanging energy storage elements, e.g. removable batteries
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
  • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
• • 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
• • 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
  • B60K2001/0455—Removal or replacement of the energy storages
• • 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
  • B60K2001/0455—Removal or replacement of the energy storages
  • B60K2001/0472—Removal or replacement of the energy storages from below
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
  • B60Y2200/00—Type of vehicle
  • B60Y2200/90—Vehicles comprising electric prime movers
  • B60Y2200/91—Electric vehicles
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
  • H01M2220/00—Batteries for particular applications
  • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
• • 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
• • 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
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
• • 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
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• • 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
  • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02T90/10—Technologies relating to charging of electric vehicles
  • Y02T90/12—Electric charging stations
• • 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
  • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02T90/10—Technologies relating to charging of electric vehicles
  • Y02T90/14—Plug-in electric vehicles

Definitions

• the invention relates to an arrangement of a storage battery in a motor vehicle.
• the invention more particularly relates to an arrangement of a battery in a motor vehicle which comprises:
• Vehicles powered by an electric motor require a large electrical power, for example between 15 and 20 kWh to drive a distance of 100 to 150 km.
• the source of electrical energy is generally formed by at least one electric storage battery. Subsequently, the term "battery” will be understood as an electric storage battery.
• a common source of electrical energy such as a domestic wall outlet, can provide 3 to 4 kW, which can be used to charge such a battery pack in about 5 hours. During this charging period, the vehicle is immobilized.
• This service may for example be provided by a station similar to existing service stations for cars with a combustion engine.
• a battery of this type is very heavy, for example between 200 and 300 kg, and very cumbersome, for example a block 800 mm in height and width per 1000 mm of length. These characteristics are problematic for designing a simple and effective system for fixing the battery in the vehicle. The complexity of the existing fixing devices makes the battery change operation long and tedious.
• the battery when the automobile vehicle is brutally braked, for example during a high-speed frontal impact, the battery is likely to undergo a horizontal acceleration, generally longitudinal, which can reach fifty times the acceleration of gravity. In such a situation, the battery may escape from its home and disassociate itself from the vehicle.
• the lock mechanism of the battery supports at least a portion of the horizontal blockages of the battery.
• Such a locking mechanism is complex and expensive to manufacture, in particular because of the horizontal forces that the battery is likely to exert on the mechanism of locking in an accident.
• the invention proposes an arrangement of the battery in the vehicle as described above, characterized in that the housing comprises at least one fixed fixing face relative to the housing which i is in contact with the periphery of the vehicle. Battery in mounted position to immobilize the battery horizontally in all directions.
• the wedging face is formed by an annular inner surface forming a rigid belt which surrounds the battery horizontally and which is in contact along its entire length with the periphery of the battery in the mounted position in order to block the horizontal movements of the battery in all directions;
• At least one buffer of elastically deformable material is interposed horizontally with prestressing between the annular inner face and the battery in the mounted position so as to absorb the existing mounting clearances between the battery and the annular inner face to ensure the immobilization of the battery with respect to the vehicle frame horizontally in all directions;
• each wedging face is formed by the inner face of a rigid frame which is fixed to the frame of the motor vehicle;
• the arrangement comprises vertical stop means of the battery in its mounted position;
• the annular wedging face has a frustoconical shape which cooperates with a counterpart which horizontally surrounds the battery in order to block the vertical displacement according to the mounting direction of the battery when it is in the mounted position;
• the counterpart is made from material with the battery;
• the counterpart is formed by the frustoconical outer face of a bead which extends horizontally outwardly from the vertical faces of the battery; the arrangement comprises means for latching the battery in the mounted position which block the vertical displacement of the battery in the direction opposite to the mounting direction;
• the locking means comprise at least one hook-shaped catch which is pivotally mounted between a release position in which the battery is vertically slidable and a locked position in which the battery is trapped in the housing; mounted position; in its locked position, the latch in the form of a hook is intended to be hooked under a flange libre of the bead; in its locked position, the latch hook is designed to hang a ring carried by the battery;
• the pivot axis of the latch is arranged, according to the direction of gravity, the right point of contact between the battery and the latch in the locking position.
• FIG. 1 is a view from above that represents a motor vehicle; comprising a battery housing realisé according to the teachings of the invention;
• FIG. 2 is a side view which represents the vehicle of FIG. 1 and a battery which is arranged below the vehicle before it is mounted;
• FIG. 3 is a detail view on a larger scale of FIG. 2 which represents the battery and its housing in the vehicle;
• FIG. 4 is a detail view similar to that of FIG. 3, which shows the battery mounted in its housing and fixed by a fixing means made according to a first embodiment of the invention
• FIG. 5 is a detailed view similar to that of FIG. 4 which shows the battery mounted in its housing and fixed by a fastening means made according to a second embodiment of the invention
• FIG. 6 is a view similar to that of FIG. 4 which represents the battery before it is mounted;
• FIG. 7 is a side view of Figure 6;
• FIG. 8 is a view similar to that of FIG. 6 which represents the battery in the mounted position;
• FIG. 9 is a side view of FIG.
• the longitudinal, vertical and transverse orientations given by the "L 1 V 1 T" trihedron of the figures will be adopted in a non-imitative manner.
• the vertical direction is reversed here to the direction of gravity.
• elements having similar, identical or similar functions will be designated by the same reference numerals.
• FIG. 1 shows a motor vehicle 1 0 propelled by an electric motor (not shown) or by a hybrid propulsion device operating in part with an electric motor.
• the motor vehicle 1 0 comprises a housing 1 2 that i is intended to receive a battery of electric accumulators 14.
• the housing 1 2 is arranged under the motor vehicle 1 0, substantially to the right of the center of gravity of the vehicle 10, and it is open down.
• the battery 14 is thus intended to be introduced vertically upwards into the housing 12 according to a mounting direction to a mounted position.
• the storage battery 14 is formed by a housing which contains electrical energy storage elements (not shown, such as accumulators, ultra-capacitors or equivalent). In the rest of the description, the battery 14 will be similar to the battery case 14.
• the battery 14 has a rectangular parallelepipedal shape and is delimited vertically by an upper horizontal face 16 and a lower horizontal face 18, and it is delimited horizontally by a pair of transverse vertical faces 20 and a pair of long vertical faces 22.
• the housing 1 2 comprises at least one fixing face 32 fixed relative to the housing 1 2 i i is in contact with the periphery of the battery 14 in the mounted position to immobilize the battery 14 horizontally in all directions.
• the housing 1 2 here comprises a rigid horizontal frame 24 which is fixed to the frame 26 of the motor vehicle 1 0.
• the frame 24 has a rectangular shape substantially complementary to the horizontal profile of the battery 14.
• the frame 24 is for example made by four metal beams, two long longitudinal rails 28 and two transverse crosspieces 30, which are abutted and fixed to each other at right angles and each of which forms a side of the frame 24.
• the frame 24 is here fixed solidly by its upper face to the frame 26 of the vehicle 1 0.
• the frame 24 and the frame 26 thus form an ideal ground assembly which is capable of withstanding very violent shocks , as is the case during a high-speed frontal percussion of veh icule 10.
• the wedging face is here formed by an annular inner face 32 of the frame 24 forming a rigid belt which is intended to horizontally surround the battery 14 in the mounted position.
• the wedging face 32 is more particularly intended to be in contact, directly or indirectly, along its entire length with the vertical peripheral faces 20, 22 of the battery 14 in the mounted position in order to firmly block the horizontal displacements of the battery 14. in all directions.
• the housing comprises four disjoint wedging faces that are intended to be in contact with each of the four vertical faces of the battery.
• the arrangement also comprises vertical abutment means for blocking the vertical upward movement of the battery 14 in its mounted position.
• the vertical abutment means are formed by a fixed face of the housing 12.
• the annular wedging face 32 of the frame 24 has a frustoconical shape, here pyramidal, flared downwards that i cooperates with a counterpart 34 which horizontally surrounds the battery 14 in order to block the vertical displacement in the direction of assembly of the battery 14 when in the mounted position while providing the horizontal locking function.
• the counterpart is formed by the outer face 34 troncon ique a bead 36 which surrounds the battery horizontally 14.
• the bead 36 is here arranged substantially mid-height of the battery 14 and it extends horizontally horizontally from the faces vertical lines 20, 22 of the battery 14.
• the bead 36 is here realisé come matter with the battery 14.
• the bead is formed by a second frame which is fitted around the battery and is then rigidly fixed to the battery by any suitable fixing means.
• the bead 36 has an outer face 34 of complementary frustoconical shape of the wedging face 32 of the frame 24 of the housing 12.
• At least one buffer 38 of elastically deformable material is interposed horizontally with prestressing between the annular wedging face 32 of the frame 24 and the battery 14 in the mounted position so as to absorb the mounting gaps existing between the battery 14 and the clamping face. annular 32 to ensure the immobilization of the battery 14 relative to the frame 26 of the vehicle 10 horizontally in all directions.
• this buffer 38 is able to quickly dampen the possible oscillation of the battery 14 caused for example the rolling of the veh icule 10 on an uneven road.
• the arrangement comprises, for example, four buffers 38, each of which is fixed over the entire length of an associated side of the outer face 34 of the bead 36.
• the buffer or buffers 38 are fixed on the wedging face 32 of the frame 24.
• vertical ribs 40 are provided here to connect the lower face of an associated side of the bead 36 to the associated vertical face 20. of the battery 14.
• electrical connection means (not shown) with terminals (not shown) of the battery 14 are provided inside the housing 12.
• a seal 44 is interposed between the bead 36 and the frame 24.
• the frame 24 has a lower horizontal face 46 which is arranged vis-à-vis a horizontal annular flange libre 48 which surrounds the outer face 34 of the bead 36.
• the seal 44 is for example fixed on the upper face of the horizontal rim 48.
• the rim The flange 48 of the bead 36 extends horizontally outwardly from the lower base of the outer surface 34 of the bead 36 to a thin annular edge.
• the rigid frame 24 carries the electrical connection means to the battery 14.
• the electrical connection means are for example formed by a bracket which comprises an upright extending vertically upwards from one of the sides 28, 30 of the frame 24, and which has an arm which carries electrical connectors.
• the electrical connection means are fixed relative to the frame 24 so that the battery 14 is electrically connected during its vertical insertion into the housing 12.
• the electrical connectors are arranged vertically opposite the corresponding terminals. of the battery 14.
• the arrangement comprises locking means of the battery 14 in the mounted position which block the vertical displacement of the battery 14 in the direction opposite to the mounting direction, that is to say say in the opposite direction to that of gravity in the embodiment shown in the figures.
• the locking means only block the vertical movements of the battery 14 downwards.
• the horizontal displacements of the battery 14 are indeed already blocked by the fixed frame 24.
• the locking means comprise at least one latch 50 in the form of a hook which is pivotally mounted about a horizontal axis "A", here longitudinal, between an angular position of release in which the latch 50 is spread outwardly so as to that the battery 14 is free to slide vertically, and an angular locking position in which the battery 14 is trapped in the housing 12 in the mounted position.
• the latch 50 is here resiliently returned to its locking position by an elastic return means 52, for example formed by a spring.
• the lower free end of the latch 50 is bent hooked towards the inside of the frame 24 in the pivot plane of the latch 50.
• the pivot axis "A” is carried by an outer vertical face of a spar 28 of the frame 24.
• the pivot axis "A” is arranged to be vertically above the free flange 48 screwed to -vis the battery 14 in mounted position.
• the latch 50 is intended to be hooked under the free flange 48 facing the battery 14 in the mounted position to hold the battery 14 against its weight.
• the vehicle 10 comprises a plurality of locking means, for example four, so that the battery 14 rests stably on several latches 50, and so as to distribute the weight of the battery 14 on several latches 50.
• the curved end of latch 50 has a bottom face 54 in the form of ramp so that, when mounting battery 14, latch 50 is automatically pushed to its release position by contact with the rim 48 of the battery 14 when its insertion to allow the hanging.
• the pivot axis "A" of the latch 50 is offset horizontally, here transversely, outwardly with respect to the flange 48 facing the battery 14. This The arrangement of the pivot axis "A” makes it possible to obtain compact locking means in a horizontal plane.
• the weight of the battery 14 is then likely to create in the latch 50 a torque against the elastic restoring force of the spring 52.
• the spring 52 must be dimensioned accordingly.
• FIG. Figure 5 A second embodiment of the locking means of the battery 14 in the mounted position is shown in FIG. Figure 5. This mode of real isation is similar to the previous one. Only differences will be exposed later.
• the pivot axis "A" of the latch 50 is arranged vertically above and to the right of the edge 48 of the battery 14 associated with the latch 50. More particularly, the pivot axis " A “is arranged vertically to the right of the point of support of the battery 14 on the latch 50. Thus, the force created by the weight of the battery 14 passes through the pivot axis" A ", avoiding the creation of a torque in the latch when the battery 14 is locked in the mounted position.
• the latch 50 is intended to hook a ring 56 which extends vertically upwards from the upper face of the flange 48 of FIG. the battery 14 in the mounted position.
• This third embodiment allows the designer to orient the latch 50 and its pivot axis "A" peripherally around a vertical axis.
• the pivot axis "A" of the latch 50 is here oriented perpendicular to the associated side of the battery 14.
• the battery 14 is arranged below the housing 12. In this case, the battery 14 is mounted vertically upwardly in the direction of assembly so as to be arranged in the housing 1 2.
• the latches 50 are pushed back to their position of iberation by contact with the rim 48 of the battery 14. Then continuing the mounting of the battery 14 to its mounted position, the latches 50 are resiliently returned to their locking position by hanging the rim 48 of the battery 1 4.
• the buffer 38 and the seal 44 are then compressed between the outer face 34 of the bead 36 of the battery 14 and the wedging face 32 of the frame 24 of the housing 1 2.
• the battery 14 is thus held firmly and without play by the rigid frame 24 horizontally in all directions.
• the frame 24 is made of a sufficiently strong material not to be deformed by the inertia of the battery 14 during a sudden shock of the vehicle 10.
• the frame 24 thus keeps the battery 14 in its housing 12, even in the most extreme conditions and despite the very heavy weight of the battery.
• the frame 24 thus prevents the battery 14 from being ejected horizontally during an emergency stop or accident situation.
• the latches 50 are strong enough not to break when the vehicle 10 is driving on a rough road.
• the latches 50 only support vertical forces directed downwards, that is to say the weight of the battery, the other forces directed horizontally or vertically upwards are supported by the frame 24.
• the locking means 50 are simple to design.
• the locking means can only be exposed to forces ranging for example up to ten times the weight of the battery while the frame is likely to be exposed to efforts of up to fifty times the weight of the battery.
• the locking means are inexpensive to manufacture.

Landscapes

• Engineering & Computer Science (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Power Engineering (AREA)
• Combustion & Propulsion (AREA)
• General Chemical & Material Sciences (AREA)
• Electrochemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Life Sciences & Earth Sciences (AREA)
• Sustainable Development (AREA)
• Sustainable Energy (AREA)
• Battery Mounting, Suspending (AREA)
• Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=41566088

Family Applications (1)

Country Status (8)

Families Citing this family (39)

Family Cites Families (6)

• 2009
  • 2009-06-16 FR FR0954005A patent/FR2946593B1/fr not_active Expired - Fee Related
• 2010
  • 2010-05-31 EP EP10728849A patent/EP2442994A2/de not_active Withdrawn
  • 2010-05-31 US US13/378,539 patent/US20120111654A1/en not_active Abandoned
  • 2010-05-31 CN CN2010800318461A patent/CN102802982A/zh active Pending
  • 2010-05-31 JP JP2012515539A patent/JP2012530018A/ja not_active Withdrawn
  • 2010-05-31 KR KR1020127000918A patent/KR20120028975A/ko not_active Application Discontinuation
  • 2010-05-31 WO PCT/FR2010/051044 patent/WO2010146269A2/fr active Application Filing
• 2011
  • 2011-12-13 IL IL216934A patent/IL216934A0/en unknown

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events