WO2016174030A1 - Système et procédé permettant l'alimentation électrique d'un véhicule - Google Patents

Système et procédé permettant l'alimentation électrique d'un véhicule Download PDF

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Publication number
WO2016174030A1
WO2016174030A1 PCT/EP2016/059278 EP2016059278W WO2016174030A1 WO 2016174030 A1 WO2016174030 A1 WO 2016174030A1 EP 2016059278 W EP2016059278 W EP 2016059278W WO 2016174030 A1 WO2016174030 A1 WO 2016174030A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail element
contact device
vehicle
rail
electric
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.)
Ceased
Application number
PCT/EP2016/059278
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English (en)
Inventor
Gunnar Asplund
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.)
Elways AB
Original Assignee
Elways AB
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 Elways AB filed Critical Elways AB
Publication of WO2016174030A1 publication Critical patent/WO2016174030A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/40—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from lines in slotted conduits
    • 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
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/04—Current collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire
    • B60L5/045—Current collectors for power supply lines of electrically-propelled vehicles using rollers or sliding shoes in contact with trolley wire with trolley wire finders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M1/00—Power supply lines for contact with collector on vehicle
    • B60M1/30—Power rails
    • B60M1/34—Power rails in slotted conduits
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/40—Working vehicles

Definitions

  • the invention relates to the field of electrical feeding of vehicles, and in particular electrical feeding of underground vehicles.
  • WO 2010/140964 proposes a solution to this problem by feeding electric vehicles while driving. It discloses a system for electric propulsion of a vehicle along a road comprising electric conductors in the shape of conducting rails that may be put under voltage and located in longitudinal tracks or channels in the road. The vehicle is equipped with a current collector which during contact with the conducting rail allows for transfer of electric current between the conducting rail and the vehicle.
  • An object of the present invention is to provide a system, a method and use for electrical feeding of a vehicle which is suitable for use in an underground
  • Another object is to provide such a system, method and use with high safety.
  • a system for electrical feeding of a vehicle comprising at least one suspended rail element and at least one contact device.
  • the rail element has at least one elongated groove or channel extending along a length of the rail element, wherein electric conductors to be put under voltage are arranged therein.
  • the at least one contact device is directly or indirectly connectable to the vehicle, wherein the contact device is displaceable relative said vehicle and is configured to mechanically and electrically connect with the rail element, for example from beneath, in order to transmit electric current from said electric conductor to the vehicle.
  • the system comprises at least one suspended rail element, e.g. rail element(s) which is/are suspended or is adapted to be suspended from for example a ceiling, wall or one or more stands, posts or the like.
  • the rail element has at least one elongated groove or channel extending along a length of the rail element.
  • the elongated groove or channel extends along the whole or essentially the whole length of the rail element. Electric conductors to be put under voltage are arranged in the at least one groove or channel.
  • a system comprising a plurality of grooves or channels may have one, two or a plurality of electric conductors in each groove or channel, and a system comprising one groove or channel may have two or a plurality of electrical conductors therein.
  • the electric conductors may be arranged at a bottom portion or surface, or on vertical or side wall(s) or portion(s), of the at least one groove or channel.
  • the at least one contact device is directly or indirectly connectable to the vehicle, e.g. it comprises or is attached to connecting means, such as a connecting arm, which is directly connected to the vehicle.
  • the at least one contact device is configured to mechanically and electrically connect with the rail element.
  • the contact device may be configured to allow at least a portion thereof to abut with at least the electric conductors to achieve a sliding electrical contact when to vehicle moves in order to transmit electric current from said electric conductor to the vehicle, either directly to at least one electric motor which is arranged to propel the vehicle or indirectly, i.e. to for example a battery or super capacitor arrangement.
  • the at least one contact device may be configured to connect with the rail element from beneath, i.e. connect with the rail element which is located above the contact device.
  • the invention is based on the insight that a suspended rail element, and the groove or channel therein, is less exposed to dirt when it is suspended.
  • the invention is furthermore based on the insight that suspended rail elements having elongated groove(s) or channel(s) in which electrical conductors are arranged offers substantial safety improvements over known technologies, such as suspended lines used with trolley buses.
  • suspended rail element refers to a rail element which is hung from, or attached to, for example a ceiling, wall, or one or more stands or posts or the like such that the rail element is at a distance or separated from the road. It is further understood that the directions given throughout this text refer to an application where the vehicle is located with its wheels on a road, and the rail element is suspended above the vehicle and/or above the road. It is also understood that rail element refers to an elongated element having a substantially greater length than width.
  • the at least one elongated groove or channel may be downwardly facing when the at least one rail element is suspended, i.e. the at least one elongated groove or channel is arranged facing in a direction having its greatest direction component along the plump line.
  • the contact device is displaceable upwards, downwards and laterally. This is advantageous since it allows the contact device to connect to the rail element regardless of their initial relative position.
  • the contact device further comprises guiding means arranged to guide the contact device in a direction towards the rail element.
  • the guiding means may comprise a guiding element provided with a recess, or with a U-shaped portion, having a width corresponding to that of said rail element.
  • the guiding element may be described as being elongated or laterally extending or as having a laterally extending body.
  • the recess or U-shaped portion may be provided at any suitable position of the guiding element as seen in the lateral direction, but preferably at, or essentially at the middle of the guiding element or its body.
  • Such a guiding element is operated by forcing it towards said rail element, for example upwards, until it contacts the rail element, and thereafter the guiding element is displaced in a lateral direction thereof, e.g. in a perpendicular or substantially perpendicular direction relative the rail element(s), until the rail element and the recess or U-shaped portion having a width corresponding to that of said rail element slide into, or engage with, each other.
  • the at least one rail element is provided with one or more additional electric conductors at opposite sides of said at least one groove or channel, through which conductors a current is adapted to pass for generating a magnetic field.
  • the magnetic field may be generated by at least one permanent magnet arranged at opposite sides of the at least one groove or channel.
  • the guiding means may be provided with at least one coil adapted to sense the magnetic field and a variation thereof, and the guiding means may further be provided with, or be configured to co-operate with, control means, such as an electronic control unit (ECU), which is configured to control actuating means, such as electric motors, arranged to displace said contact device in response to said sensed magnetic field.
  • ECU electronice control unit
  • the rail element is provided with at least one electrically conducting ground conductor provided on, or forming at least a portion of, an outer surface of the rail element, the ground conductor being connected or connectable to ground potential.
  • the ground conductor may be arranged to envelope said rail element (apart from said at least one elongated groove) to provide a ground shield around said rail element.
  • the contact device may comprise at least one ground collector, for example a sliding current collector, configured to be brought in electrical and mechanical contact with said ground conductor.
  • the rail element is provided with three electric conductors, each being connected to a phase of a three phase AC supply. In other embodiments, the rail element is provided with two electric conductors being connected to a DC supply.
  • the rail element may be provided with at least one additional electric conductor being a ground conductor arranged in at least one of the elongated groove(s) or channel(s), which ground conductor is connected or connectable to ground potential.
  • the rail element comprises of a plurality of consecutively arranged rail element sections, wherein end portions of adjacent rail element sections are electrically and mechanically releasably connected together. This is advantageous since the rail element may be conveniently mounted or suspended by suspending or mounting one rail element section at a time, and may also be conveniently
  • the rail element and rail element sections may be attached to the ceiling using for example expander bolts in drilled holes in the ceiling.
  • a method for electrical feeding of a vehicle having at least one electric motor arranged to propel the vehicle comprises:
  • the rail element stands, posts or the like, the rail element having at least one elongated groove or channel extending along a length of said rail element, wherein at least one electric conductor is arranged therein;
  • said contact device connects mechanically and electrically with said rail element; and - supplying electric current to the at least one electric conductor whereby the electric current is transmitted to the vehicle via said contact device.
  • the step of suspending comprises suspending the at least one rail element in a direction such that the elongated groove is downwardly facing.
  • the step of displacing comprises displacing the contact device in a direction towards the rail element and at least partially into the at least one groove, for example from beneath, such that the contact device connects electrically with the at least one electric conductor.
  • the contact device is displaced towards the rail element, and at least a portion thereof is displaced into the at least one groove.
  • the at least a portion of the contact device preferably comprises at least one current collector which thereby connects electrically with the at least one electric conductor.
  • the step of displacing further comprises displacing the contact device in a direction towards the rail element such that the ground collector connects electrically with the at least one ground conductor.
  • the step of displacing comprises displacing the contact device towards the rail element until the guiding element contacts the rail element, and thereafter displacing the guiding element in a lateral direction thereof until the rail element slides into the recess or U- shaped portion.
  • the contact device is displaced towards the rail element, typically upwards, until the guiding element contacts the rail element.
  • the guiding element is displaced sideways or laterally, while the contact device including the guiding element is still being forced towards the rail element, until the rail element slides into the recess or U-shaped portion, i.e. the recess or U- shaped portion engages with the rail element.
  • the step of suspending comprises suspending a plurality of rail element sections consecutively in a row, such that the rail element sections forms the rail element, wherein an end portion of one of the rail element sections is electrically and mechanically attached to an end portion of an adjacent rail element section.
  • a suspended rail element for electrical feeding of a vehicle, wherein the rail element is suspended from a ceiling, wall or one or more stands or posts, the rail element having at least one elongated groove or channel extending along a length of the rail element, wherein at least one electric conductor is arranged therein.
  • At least one contact device is used to transmit electric current from the electric conductor to the vehicle, wherein the contact device is directly or indirectly connected to the vehicle, and wherein said contact device is displaceable and is configured to mechanically and electrically connect with said rail element, for example from beneath.
  • the at least one contact device may also be used to connect the vehicle to ground potential, where the contact device comprises at least one ground collector, for example a sliding current collector, which is brought in electrical and mechanical contact with at least one ground conductor of the rail element, the at least ground conductor being provided on, or forming at least a portion of, an outer surface of the rail element.
  • the at least one ground conductor may be arranged in at least one of the elongated groove(s) or channel(s).
  • fig. 1 shows a schematic illustration of an embodiment of a system according to the first aspect of the invention, where the system arranged in a mine tunnel;
  • fig. 2 shows a schematic illustration of another embodiment of a system according to the first aspect of the invention
  • fig. 3 shows a schematic illustration of yet another embodiment of a system according to the first aspect of the invention, which system comprises a ground conductor;
  • fig. 4 shows a schematic illustration of a further embodiment of a system according to the first aspect of the invention, wherein the contact device of the system comprises a guiding element.
  • Figure 1 shows a schematic illustration of an embodiment of a system 1 according to the first aspect of the invention, where the system is arranged in a mine tunnel.
  • a vehicle 2 is arranged in the mine tunnel.
  • a rail element 3 is suspended from the ceiling of the mine tunnel.
  • the rail element extends along the mine tunnel, i.e. in the depth direction thereof, i.e. along the travel path or direction of the vehicle.
  • the rail element has two elongated grooves or channels 4a-b extending along the length of the rail element (in the depth direction in the figure).
  • One electric conductor put under voltage is arranged in each groove or channel.
  • the elongated grooves or channels 4a-b are downwardly facing, i.e. facing towards the vehicle 2 and towards the road on which the vehicle is standing on.
  • the system also comprises a contact device 6 which is connected to a roof portion the vehicle 2 using a connecting arm 12.
  • the contact device is displaceable upwards, downwards and laterally to mechanically and electrically connect with the rail element from beneath, in order to transmit electric current from said electric conductor to the vehicle, either directly to at least one electric motor which is arranged to propel the vehicle or indirectly, i.e. to for example a battery or super capacitor arrangement.
  • the contact device is displaced using the connecting arm 12 which is pivotably attached to the vehicle (backwards, forwards and sideways as seen in the figure). This is advantageous since it allows the contact device to connect, or maintain a connection, to the rail element even if the vehicle moves in the lateral direction and if the height of the tunnel varies.
  • the contact device connects with the rail element by being displaced upwards such that each of two vertically upwards extending portions of the contact device 6 enters a corresponding groove or channel 4a-b.
  • Each vertically upwards extending portion of the contact device comprises a current collector portion configured to connect electrically with the electric conductor in the groove or channel.
  • Figure 2 shows a schematic illustration of another embodiment of a system according to the first aspect of the invention.
  • a rail element 13 is suspended from a ceiling or stand (illustrated by the horizontal line in the figure).
  • the rail element has three elongated grooves or channels 14a-c extending along the length of the rail element (in the depth direction in the figure).
  • Electric conductors 15a-c are arranged said grooves or channels, one at a bottom portion of each groove or channel 14a-c. In other embodiments, the electric conductors may be arranged on for example side walls or portions of the at least one groove or channel.
  • the elongated grooves or channels 14a-c are downwardly facing.
  • the system also comprises a contact device 16 which is connectable to a roof portion a vehicle 2 using for example a connecting arm corresponding to that shown in figure 1 .
  • the contact device is displaceable upwards, downwards and laterally to
  • the contact device connects with the rail element by being displaced upwards such that each of three vertically upwards extending portions of the contact device 6 enters a corresponding groove or channel 14a-c.
  • Each vertically upwards extending portion of the contact device comprises a current collector 1 1 a-c configured to connect electrically with the electric conductor in the grooves or channels.
  • the current collectors are in direct contact with corresponding electric conductors 15a-c. As the vehicle moves, the current collectors slides along the electric conductors in the grooves or channels, remaining in contact with the electric conductors.
  • Figure 2 also illustrates how the grooves or channels 14a-c are limited and separated by four parallel side walls 13a-d and a top wall 13e and have essentially U-shaped cross-sections.
  • the grooves or channels are thus adapted to support current- feedable and energizable electric conductors 15a-c arranged in the innermost portions of the grooves or channels and being in abutment with the top wall 13e.
  • the rail element also comprises an outer cover 13f that surrounds the side walls 13a, 13f and the top wall 13e.
  • the outer cover is adapted to form a strong shell that prevents, among other things, the rail element from being deformed.
  • FIG. 3 shows a schematic illustration of yet another embodiment of a system according to the first aspect of the invention, which system comprises a ground conductor.
  • the embodiment in figure 3 corresponds to the embodiment shown in figure 2, but differs in that the rail element 23 is provided with an electrically conducting ground conductor 29 provided around an outer surface of the rail element to envelope said rail element (apart from the elongated grooves or channels 24a-c), the ground conductor being connected to ground potential. The ground conductor thereby provides a ground shield around said rail element.
  • the contact device 26 comprises two ground collectors 210a-b, being sliding current collectors, configured to be brought in electrical and mechanical contact with corresponding and downwardly directed portions of the ground conductor 29. The contact device connects with the ground conductor by being displaced upwards such that the two vertically upwards extending ground collectors 210a-b abut with the ground conductor, e.g. downwardly facing portions thereof, to achieve electrical and mechanical contact therewith.
  • Figure 4 shows a schematic illustration of a further embodiment of a system according to the first aspect of the invention, which system comprises a guiding element.
  • the embodiment in figure 3 corresponds to the embodiment shown in figure 2, but differs in that the contact device 36 is provided with a guiding element 37 which is connected to a connecting arm 312.
  • the guiding element has a laterally extending bar-shaped body having a U-shaped portion 38 in the middle thereof.
  • the U-shaped portion has a width corresponding to that of the rail element 33.
  • the guiding element is provided to guide the contact device by displacing or moving the contact device towards the rail element 33 until the guiding element contacts the rail element, and thereafter displacing the guiding element in a lateral or sideways direction thereof until the rail element slides into the U-shaped portion 38.
  • the contact device is located below the rail element 33, but is not centred there below.
  • the rail element 33 will not fit into the U- shaped portion. Consequently, the contact device is moved laterally or sideways relative the rail element, while simultaneously being forced upwards, until the contact device and rail element slide into each other, thereby causing the current collectors 31 1 a-c to enter corresponding grooves or channels 34a-c of the rail element, to make contact with the electric conductors therein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

La présente invention concerne un système permettant l'alimentation électrique d'un véhicule, ledit système comprenant au moins un élément de rail suspendu et au moins un dispositif de contact. L'élément de rail comprend au moins une rainure ou un canal allongé(e) s'étendant le long d'une longueur de l'élément de rail, des conducteurs électriques devant être mis sous tension étant agencés à l'intérieur de ce dernier. Le(s) dispositif(s) de contact est/sont directement ou indirectement raccordable(s) au véhicule, le dispositif de contact étant déplaçable par rapport audit véhicule et étant configuré pour se raccorder mécaniquement et électriquement à l'élément de rail à partir du dessous afin de transmettre un courant électrique au véhicule à partir dudit conducteur électrique. La présente invention concerne également un procédé d'alimentation électrique d'un véhicule et l'utilisation d'au moins un élément de rail suspendu pour l'alimentation électrique d'un véhicule.
PCT/EP2016/059278 2015-04-27 2016-04-26 Système et procédé permettant l'alimentation électrique d'un véhicule Ceased WO2016174030A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1550505A SE538900C2 (sv) 2015-04-27 2015-04-27 System and method for electrical feeding of a vehicle
SE1550505-0 2015-04-27

Publications (1)

Publication Number Publication Date
WO2016174030A1 true WO2016174030A1 (fr) 2016-11-03

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PCT/EP2016/059278 Ceased WO2016174030A1 (fr) 2015-04-27 2016-04-26 Système et procédé permettant l'alimentation électrique d'un véhicule

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SE (1) SE538900C2 (fr)
WO (1) WO2016174030A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106476648A (zh) * 2016-11-25 2017-03-08 南京金城轨道交通设备有限公司 上下式移动供电系统
WO2021052947A1 (fr) * 2019-09-16 2021-03-25 Elways Ab Système d'alimentation électrique de véhicules routiers
WO2022096665A1 (fr) 2020-11-05 2022-05-12 Bluvein Innovation Ab Système d'alimentation électrique d'au moins un véhicule électrique
WO2022096112A1 (fr) 2020-11-05 2022-05-12 Bluvein Innovation Ab Système d'alimentation électrique d'au moins un véhicule électrique
WO2022188993A1 (fr) 2021-03-12 2022-09-15 Bluvein Innovation Ab Système d'alimentation électrique de véhicules électriques
EP4714719A1 (fr) 2024-09-23 2026-03-25 Bluvein Innovation Pty. Ltd. Système et procédé d'alimentation électrique de véhicules électriques

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245601A1 (de) * 1982-12-09 1984-06-14 Wampfler Gmbh, 7858 Weil Vorrichtung zum abgriff von strom fuer ein fahrzeug
EP0157192A2 (fr) * 1984-03-08 1985-10-09 Asea Ab Méthode et dispositif pour relier une prise de courant d'un véhicule à trolley à un système à rails conducteurs
GB2410730A (en) * 2004-01-16 2005-08-10 Insul 8 Ltd Track system for use with at least one conductor bar for supplying power to a vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245601A1 (de) * 1982-12-09 1984-06-14 Wampfler Gmbh, 7858 Weil Vorrichtung zum abgriff von strom fuer ein fahrzeug
EP0157192A2 (fr) * 1984-03-08 1985-10-09 Asea Ab Méthode et dispositif pour relier une prise de courant d'un véhicule à trolley à un système à rails conducteurs
GB2410730A (en) * 2004-01-16 2005-08-10 Insul 8 Ltd Track system for use with at least one conductor bar for supplying power to a vehicle

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106476648A (zh) * 2016-11-25 2017-03-08 南京金城轨道交通设备有限公司 上下式移动供电系统
CN106476648B (zh) * 2016-11-25 2018-11-27 南京金城轨道交通设备有限公司 上下式移动供电系统
WO2021052947A1 (fr) * 2019-09-16 2021-03-25 Elways Ab Système d'alimentation électrique de véhicules routiers
WO2022096665A1 (fr) 2020-11-05 2022-05-12 Bluvein Innovation Ab Système d'alimentation électrique d'au moins un véhicule électrique
WO2022096115A1 (fr) 2020-11-05 2022-05-12 Bluvein Innovation Ab Système d'alimentation électrique d'au moins un véhicule à énergie électrique
WO2022096112A1 (fr) 2020-11-05 2022-05-12 Bluvein Innovation Ab Système d'alimentation électrique d'au moins un véhicule électrique
CN116685496A (zh) * 2020-11-05 2023-09-01 布鲁文创新有限公司 用于为至少一辆电动车辆供电的系统
EP4545343A2 (fr) 2020-11-05 2025-04-30 Bluvein Innovation Pty. Ltd. Système d'alimentation électrique d'au moins un véhicule électrique
EP4545343A3 (fr) * 2020-11-05 2025-07-30 Bluvein Innovation Pty. Ltd. Système d'alimentation électrique d'au moins un véhicule électrique
EP4596297A2 (fr) 2020-11-05 2025-08-06 BluVein Innovation Pty. Ltd. Système d'alimentation électrique d'au moins un véhicule électrique
WO2022188993A1 (fr) 2021-03-12 2022-09-15 Bluvein Innovation Ab Système d'alimentation électrique de véhicules électriques
EP4714719A1 (fr) 2024-09-23 2026-03-25 Bluvein Innovation Pty. Ltd. Système et procédé d'alimentation électrique de véhicules électriques

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SE1550505A1 (sv) 2016-10-28
SE538900C2 (sv) 2017-01-31

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