Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
  • H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
  • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
  • H01F38/14—Inductive couplings
• • 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
  • B60L5/005—Current collectors for power supply lines of electrically-propelled vehicles without mechanical contact between the collector and the power supply line
• • 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
  • B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
  • B60L53/12—Inductive energy transfer
  • B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
  • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
  • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
  • H02J7/00308—Overvoltage protection
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
  • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
  • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
• • 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
  • B60L2200/26—Rail vehicles
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
  • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
  • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
  • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
• • 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 present invention relates to a Induktorlei ⁇ ter for contactless transmission of electrical energy from at least one first device to at least one second device.
• the inductor conductor has a plurality of individual conductors, which are each partially or completely enclosed by an electrical insulator and which are arranged along a longitudinal direction. Furthermore, the present invention relates to a method of using the inductor conductor.
• the non-contact transmission of electrical energy for traction and / or auxiliary power supply to vehicles is based on the basic principle of the electromagnetic interaction.
• the system works like a conventional transformer. While the primary and secondary circuits of the transformer are located on a common, closed ferromagnetic core, in today's non-contact power supply systems (eg Vahle CPS, or Inductive Power Supply Transrapid TR 09), the primary winding along the travel path is designed as a long conductor loop and the secondary winding mounted on an open ferromagnetic core surrounding the conductor loop ("pick up").
• the non-contact energy transfer requires a magnetic field, which is ensured by a current in the conductor loop of the primary part.
• the power is supplied by an inverter with the highest possible frequency in order to keep the volume of the inductance as small as possible.
• capacitors are connected in series to a series resonant circuit at regular intervals. This series resonant circuit is based on the operating frequency, z. B. 20 kHz tuned and represents at the ⁇ ser frequency is a purely resistive load for the feed.
• the discretely used capacitors lead to a mood of the resonant circuit due to the environmental conditions that are common outdoors, their temperature dependence and aging. In addition, a failure of the capacitors also leads to failure of Bordenergyübertra ⁇ supply system in the affected section.
• the object of the inductor conductor according to the invention for non-contact transmission of electrical energy from at least one first device to at least one second device is to be able to dispense with discrete capacitors for a purely resistive behavior of the inductor conductor and thus the robustness and thus the reliability of the inductor conductor or to increase a constructed using the inductor non-contact power supply system while reducing the maintenance costs. Furthermore, it is an object of the method according to the invention for the use of the inductor conductor to provide a simple, stable and cost-effective way of providing devices without contact with energy.
• the stated object is achieved with respect to the inductor conductor for contactless transmission of electrical energy from at least one first device to at least one second device by the features of claim 1 and with respect to the method for using the inductor conductor by the features of claim 12.
• Advantageous embodiments of the inventive inductor for the contactless transmission of electrical energy from at least one first device on foundeds ⁇ least a second device and the method for Verwen ⁇ tion of the inductor are apparent from the respective associated dependent claims.
• the features of the main claim with features of the subclaims and / or features of subclaims can be combined with each other.
• the inductor according to the invention for the contactless transmission of electric power from at least a first device to at least one second device has meh ⁇ eral individual conductors.
• the individual conductors are each partially or completely enclosed by an electrical insulator and arranged along a longitudinal direction.
• at least one individual conductor is divided into at least two parts which are spatially separated from one another.
• the at least two parts are each mecha nically ⁇ connected via an electrically non-conductive insulator bridge with ⁇ today.
• the split parts create capacities that can compensate for the inductances of the individual conductors.
• the result is a series resonant circuit, which, for example, by the choice of the length and by the choice of the distances of divided and unge ⁇ divided individual conductors in one area and by their cross-sectional areas and insulation materials to an operating frequency, eg 20kHz, can be adjusted.
• the inductor conductor can represent a purely ohmic load without additional discrete capacitors having to be installed in the inductor conductor .
• This can prevent that a detuning of resonant circuits occurs when aging of discrete capacitors, for example due to environmental influences or this effect can be delayed in time. It is so, the robustness and thus the reliability of the ⁇ be retzungsschen transmission of electrical energy from the at least one first device to the at least one second device, increases with a simultaneous reduction of the maintenance expense for the inductor.
• a plurality of individual conductors in the first region may be divided into at least two spatially separated parts, and separate parts of the plurality of individual conductors may be substantially parallel to at least one single conductor not divided in the first region Be arranged longitudinally. In essence, this includes in parallel that several individual conductors are stranded or intertwined with each other.
• Each individual conductor, which is divided into at least two spatially separate parts in each case in the first region may be arranged adjacently to a single conductor, which is not divided in the first region.
• Single conductors which are not divided in the at least one first region, can be divided into at least two, spatially separated parts in at least one second, periodically repeating region and single elements , which in the first region in each case at least two spatially Parts separated from each other may be undivided in the at least one second area.
• Separate parts of a single conductor in a region may form capacitors in conjunction with at least one single conductor undivided in the same region.
• a series connection of the inductors of the individual conductors and the capacitances over the separate parts is produced, and the arrangement permits the replacement or dispensation of the discrete capacitors in electrical connection with the inductor conductor at regular intervals.
• the ends of the separated parts may be rounded. You can have the shape of a hemisphere on ⁇ in particular. This avoids or reduces voltage overshoots at the ends. Voltage overshoots can lead to electrical breakdown and destruction of the insulation between ladder parts. Reducing or preventing the danger of excessively high voltages allows higher voltages with smaller insulation thicknesses of the individual conductors.
• the individual conductors can consist of copper and / or aluminum or contain copper and / or aluminum. These materials provide a low ohmic resistance in the operating state with current flow.
• the inductor conductor can along the Longitudinally be enclosed by an insulator, in particular a plastic. Plastic isolates the inductor conductor from the environment, protects against electric shocks and ensures long-term geometrical fixation. It is an inexpensive and easy to process material that holds good environmental in ⁇ rivers permanently stable.
• the separated parts may have a substantially equal length a, in particular a length a in the range of 10-100 m.
• the insulator bridges may also have an equal length in the We ⁇ sentlichen b, in particular a length b in the range of 1-10 cm.
• the area of the cross section of the individual conductors may be the same in each case and / or in the range of 0.75 mm 2 to 1.5 mm 2 .
• the inductances of the plurality of individual conductors and capacitances of the at least one capacitor can be connected in series. By partial isolation of the individual individual conductors with each other but other interconnections can be realized. External, discrete capacitors can also be introduced into the inductor conductor during the interconnection. This can e.g. for fine tuning or variable operating frequencies.
• the inductor conductor may be arranged in the form of an elongate conductor loop.
• the inductor conductor can act as a primary winding of a transformer.
• a transfer of energy according to the transformer principle between the at least one first and the at least one second device take place when the at least one second device has a secondary winding.
• a vehicle may be ver ⁇ turns.
• the inductor conductor can be arranged along the travel path of the vehicle. This makes it possible to transmit electrical energy without contact between the inductor conductor along the route and the vehicle.
• a stationary power supply device in particular a stationary power converter can be used.
• the method can be used for example in a magnetic levitation railway.
• the method is particularly robust and cost ⁇ favorable as external capacitors can be saved along the route and these therefore are not exposed to Hydreinflüs ⁇ sen.
• a detuning of the resonant circuit to produce a purely resistive load of the inductor is prevented by the saving of the external, discrete capacitors.
• a failure of capacitors, and thus, for example, a failure of the on-board energy supply system of a Transrapids is avoided.
• Fig. 1 shows an inductor conductor made of individual conductors or conductor strands, with series-connected capacitors according to the prior art
• Fig. 2 is an equivalent circuit diagram of the arrangement in Fig. 1, and
• Fig. 3 shows a divided into two parts single conductor in conjunction with an undivided single conductor of an inductor according to the invention
• Fig. 4 is an equivalent circuit diagram of the inventive arrangement in Fig. 3, and
• FIG. 5 shows an inductor conductor according to the invention with individual conductors divided alternately in a first region and in a second region.
• an inductor conductor 1 according to the prior art with discrete capacitors 3 is shown.
• the capacitors 3 are arranged periodically at equal distances 1 from one another and connected to one another via an electrical line.
• the electrical line is constructed from a plurality of conductor strands 2 as individual conductors, which are arranged along a longitudinal direction 6.
• the conductor strands 2 may be arranged parallel to each other or stranded together, i. be arranged substantially parallel to each other.
• the outer circumference of the bundle of conductor strands 2, which forms the electrical line, is usually surrounded by an insulator.
• materials such as e.g. Plastic used.
• the conductor strands 2 in the prior art are between the
• Capacitors 3 formed continuously and can be isolated from each other.
• the material used for the conductor strands 2 usually copper or aluminum.
• a strand 2 has a circular cross section with an area in the range of 1 mm 2 or less.
• FIG. 2 an equivalent circuit diagram of the inductor conductor 1 of FIG. 1 is shown.
• the conductor strands 2 between the discrete Capacitors 3 have an inductance 4 and an ohmic resistance 5.
• the capacitors 3 depending on the frequency f can be selected so that compensate for inductive 4 and capacitive resistors 3.
• the capacitively compensated inductor conductor 1 has purely resistive behavior.
• the electrical ⁇ rule losses of the inductor 1 are minimized to the ohmic losses of the ladder resistors. 5
• external influences lead over time to an aging of the discrete capacitors 3 and thus to a detuning of the resonant circuits. ⁇ to additional electrical losses may occur that way.
• FIG. 3 shows a detail of an inductor conductor 1 according to the invention.
• a single conductor 7 is divided into two parts 8, with an insulator between the two parts 8.
• the two parts 8 are mechanically connected via the insulator, wherein the insulator forms a mechanical insulator bridge 9 between the two parts 8.
• the individual conductors 7 and separate parts 8 of a single conductor 7 are each surrounded by an insulator at its periphery, which is usually made of plastic and is formed with a thickness or wall thickness in the range of 1mm and less.
• the plastic is formed, for example, in the form of a tube which tightly surrounds a copper or aluminum cable.
• the cable usually has a circular cross-section with a cross-sectional area in the range of 0.75 mm 2 to 1.5 mm 2 .
• the ends of the parts 8 are rounded, for example they have the shape of a hemisphere. This avoids voltage overshoots at the ends.
• the ends of the parts 8 are electrically insulated by the insulator bridge 9 or may also be completely covered by a plastic layer and / or the plastic tube.
• the insulator (plastic) forms the dielectric of the capacitors 10.
• each bridge acts one end of a portion 8 of a Einzellei ⁇ ters 7 in conjunction with the adjacent continuous single conductor 7 in the area shown as a capacitor.
• Fig. 4 is an equivalent circuit diagram of the section shown in Fig. 3 of the inductor according to the invention 1 Darge ⁇ represents.
• the two ends of the single-conductor parts 8 shown in FIG. 3 are capacitively coupled via the adjacent, continuous individual conductors 7.
• the capacitance of the spatially separated parts 8, which are mechanically interconnected via the isolator bridge 9 and fixed in terms of spacing, is determined inter alia by the insulator material and by the distance between the individual conductors 7 in the area and in each case a part 8 of the separate single conductor 7.
• FIG. 5 shows an exemplary embodiment of the arrangement of the individual conductors 7 shown in FIG. 3 in an inductor conductor 1.
• the length a of a part 8 of an A ⁇ cell conductor 7 may be in the range of a few 10m.
• the length b of the insulator bridge or the distance between two parts 8 voneinan ⁇ can be in the range of a few centimeters, especially learning.
• the inductor conductor 1 is composed of two periodically alternating regions 11 and 12. In a region 11 or 12, a number of individual conductors 7 and parts 8 of individual conductors 7 are arranged in the region, analogous to the pair of continuous individual conductors 7 and individual conductor parts 8 shown by way of example in FIG. 3.
• the divided individual conductors 7 are formed continuously, and in the region 11 and 12 continuously formed individual conductors 7 are formed divided. Areas 11 and 12 alternate with each other and have the same length. Since ⁇ through all the individual conductors 7 are formed divided in the region 11 or 12, and respectively in the other region 12 or 11 unge ⁇ divides formed. The entire system of individual conductors 7 can be stranded with each other, wherein through the insulator bridges 9 a stranding is made possible and an equal distance between each two parts 8 is ensured during stranding. Since all the individual conductors 7 in the inductor conductor 1 are divided in a region 11 or 12 or have an electrically insulating bridge 9, the inductor conductor 1 acts like an inductor conductor 1 with capacitors connected in series.
• the insulator ⁇ bridge 9 in an area 11, 12, respectively, are all arranged at a location along the longitudinal direction 6.
• the ef- fective distance between "capacitors" in the Induktorlei ⁇ ter 1 then corresponds to the distance between the point in the region 11 and the point in the region 12, actually, the capacitors are formed by the parallel conductor groups along the entire length. As shown in 5, in the case of a periodic structure, this distance may correspond to half the sum a + b or, due to the much larger value of a, substantially to the length a / 2.
• the result is a series circuit of oscillating circuits formed by capacitances 10 of the spatially separated parts 8 in connection with the individual conductors 7 continuous in a region 11, 12, and by inductors and ohmic resistors of the individual conductors 7 or parts 8.
• the resonant circuits can be adjusted so that cancel capacitive and inductive components and the inductor conductor 1 as a whole has purely resistive losses. It is possible to save 3 and thus upset the Schwingkrei ⁇ se by the aging of the discrete capacitors 3 can be prevented through environmental influences discrete capacitors.
• the inductor conductor 1 or two inductor conductors 1 (outward and forward
• Return conductor can be arranged along a travel path of a vehicle in the form of a conductor loop with longitudinal extension along a direction of travel.
• the inductor conductor 1 forms a primary coil, which is arranged in the plane of the Fahrwe- ges.
• the inductor conductor 1 may be electrically connected to a first device which provides electrical energy.
• a first device which provides electrical energy.
• one or more power plants, rechargeable batteries, solar cells, wind turbines or other energy-generating or energy-storing devices can be electrically connected to the resonant frequency of the inductor conductor 1 with the inductor conductor 1 via a converter for frequency conversion and supply it with energy.
• this energy can be transferred without contact to a second device, such as a vehicle.
• a magnetic levitation train may, for example on the inductor 1 with energy, in particular for driving and controlling ver ⁇ ensures, when the inductor 1 is accommodated in the guideway of the maglev train and the magnetic levitation train moves along the movement path.
• several inductor 1 can be used, wherein the conductor loops may be arranged "interlocking.”
• On discrete Kom ⁇ pensationskondensatoren 3 can be dispensed with, since the capacitance 10 of the separated in an area parts 8 of the individual wire 7 in combination with adjacent, in the 4 can compensate for inductive loads 4 of the individual conductors 7.

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• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Coils Of Transformers For General Uses (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)
• Current-Collector Devices For Electrically Propelled Vehicles (AREA)
• Coils Or Transformers For Communication (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2009
  • 2009-09-18 DE DE102009042127A patent/DE102009042127A1/de not_active Ceased
• 2010
  • 2010-07-21 WO PCT/EP2010/060541 patent/WO2011032752A2/de active Application Filing
  • 2010-07-21 BR BR112012005956A patent/BR112012005956A2/pt not_active IP Right Cessation
  • 2010-07-21 RU RU2012115479/07A patent/RU2012115479A/ru not_active Application Discontinuation
  • 2010-07-21 CN CN2010800420760A patent/CN102576601A/zh active Pending
  • 2010-07-21 EP EP10739882A patent/EP2478532A2/de not_active Withdrawn
  • 2010-07-21 JP JP2012529170A patent/JP2013505692A/ja active Pending
  • 2010-07-21 KR KR1020127009857A patent/KR20120052423A/ko not_active Application Discontinuation
  • 2010-07-21 US US13/496,963 patent/US20120181858A1/en not_active Abandoned

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