WO2022152844A1 - Energieversorgungsstation für die elektrifizierung von baustellen sowie verfahren zum versorgen einer baustelle mit elektrischer energie - Google Patents
Energieversorgungsstation für die elektrifizierung von baustellen sowie verfahren zum versorgen einer baustelle mit elektrischer energie Download PDFInfo
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- WO2022152844A1 WO2022152844A1 PCT/EP2022/050744 EP2022050744W WO2022152844A1 WO 2022152844 A1 WO2022152844 A1 WO 2022152844A1 EP 2022050744 W EP2022050744 W EP 2022050744W WO 2022152844 A1 WO2022152844 A1 WO 2022152844A1
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- WIPO (PCT)
- Prior art keywords
- energy
- supply station
- consumer
- station according
- energy supply
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims description 10
- 238000003860 storage Methods 0.000 claims abstract description 64
- 238000005516 engineering process Methods 0.000 claims abstract description 5
- 239000000446 fuel Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 14
- 230000015654 memory Effects 0.000 claims description 11
- 238000013439 planning Methods 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical class [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 230000007774 longterm Effects 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 230000000454 anti-cipatory effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000012384 transportation and delivery Methods 0.000 description 3
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000003936 working memory Effects 0.000 description 1
Classifications
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- 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
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/50—Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/30—The power source being a fuel cell
Definitions
- Energy supply station for the electrification of construction sites and method for supplying a construction site with electrical energy
- the present invention relates to an energy supply station for supplying consumers such as construction machines with electrical energy, with storage means for storing electrical energy, at least one consumer connection for charging and/or supplying a respective consumer such as a construction machine with electricity, at least one supply connection for connecting to an energy supply source and Feeding in electrical energy, and a power and/or energy control device for controlling the feeding in and/or storage and/or delivery of electrical energy through the named components, supply connection, storage means and consumer connection.
- the invention also relates to a method for supplying a construction site with electrical energy using such an energy supply station.
- Temporary supply structures are therefore often erected for large construction sites or other major infrastructure measures in order to cover the increased energy demand, for example by laying additional supply lines or building smaller power plants, which is not very economical and in turn represents a difficult measure in remote regions.
- a container unit is known from the company Bredenoord under the name "Big Battery Box", which is provided with lithium-ion batteries, power electronics and a battery management system in order to be able to store electricity from photovoltaic and wind power plants and make it available for supply.
- a mobile power plant based on fuel cells is known from the company eCap Mobility under the product name "H2PowerPack", the fuel cell being housed together with lithium ion batteries for temporarily storing energy in a container which is arranged on a trailerable chassis.
- the present invention is based on the object of creating an improved energy supply station of the type mentioned which avoids the disadvantages of the prior art and develops the latter in an advantageous manner.
- an energy supply station that can be used flexibly and adapted to consumers with different training and energy supply sources of different nature is to be created, which can work independently and help with the electrification of construction sites.
- the stated object is achieved by an energy supply station according to claim 1 and a method according to claim 24.
- Preferred developments of the invention are the subject matter of the dependent claims. It is therefore proposed to diversify the storage means of the energy supply station in order to do justice to different feeding and delivery conditions in equal measure.
- the storage means for storing electrical energy include differently configured storage devices with different storage technologies, which are controlled and/or operated by the power and/or energy control device depending on the connected loads and/or connected energy supply sources.
- the energy supply station can meet different charging and/or supply requirements of different construction machines or other consumers and can be adapted to the energy supply sources that are available in each case.
- the differently configured storage devices can include, in particular, a rapid charging and/or discharging storage device that can be charged and/or discharged particularly quickly, and a long-term storage device for long-term storage of electrical energy.
- a rapid charging and/or discharging storage device that can be charged and/or discharged particularly quickly
- a long-term storage device for long-term storage of electrical energy.
- Such storage systems with different charging/discharging times and/or storage times can be used to supply and/or charge consumers that require high amounts of energy for a very short time, while vice versa
- the long-term storage system can be used to supply suppliers with lower energy requirements over a longer period of time. Energy can be stored over longer time intervals.
- the storage devices can differ from one another, for example, in terms of their specific power density and/or their specific energy density and/or their charging/discharging times, in order to meet the different requirements.
- At least one capacitor can be provided as a storage device, for example in the form of a double-layer capacitor, in order to be able to handle high power peaks for a short time and/or to be able to store high currents for a short time.
- at least one accumulator and / or a battery for example in the form of a lithium-ion battery and / or a lithium-iron battery can be provided as a memory.
- a fuel cell or a hydrogen fuel cell can be provided as the energy supply source in a further development of the invention, with the aid of which, for example, a base load of the construction site or the infrastructure object can be covered.
- Said hydrogen fuel cell can be or can be connected to said supply connection.
- a supply network for example the public electricity network, can also be connected via the mentioned supply connection.
- the energy supply station has a number of supply connections in order to be able to connect differently designed energy supply sources, in particular a fuel cell and the supply network mentioned.
- a fuel cell and the supply network mentioned Alternatively or additionally, multiple fuel cells or hydrogen fuel cells can also be connected simultaneously via multiple supply connections.
- Said storage means and preferably also said supply and consumer connections can advantageously be connected to power electronics or power electronic components, via which the feeding and/or outputting of current into the respective components can be controlled.
- power electronic components can include, for example, converters such as frequency converters, current regulators such as DC/DC converters or DC/AC converters or AC/DC converters, but other power electronic components such as transistors, power MOSFETs, thyristors or IGBTs can also be provided, to load and/or unload the storage means and/or to control the feeding in and/or feeding out of electricity via said loads and/or supply connections.
- bidirectional DC/DC controllers and/or bidirectional DC/AC controllers can be provided in order to be able to control the feeding in and out equally or the current flow in opposite directions via the respective current controller component.
- a bidirectional DC/DC controller can be assigned to each of the storages mentioned, by means of which both the storage and the delivery of current into or from the respective storage can be controlled.
- such a bidirectional DC/DC converter and/or a DC/AC converter can also be assigned to one of the consumer and/or supply connections mentioned in order to control the current flows from and to a consumer or from and to an energy supply source to be able to
- the current controllers or converters mentioned can be networked with one another and/or form a power electronic network between the storage means and the consumer or supply connections.
- the mentioned power and/or energy control device can advantageously comprise energy demand determination means which determine the energy demand of the consumers connected to the energy supply station.
- the named energy demand determination means are designed to determine the individual energy demand of a respectively connected consumer in order to be able to optimally control the amount of energy and/or power provided at the respective consumer connection individually for the respectively connected consumer.
- the mentioned energy requirements Determination means also be designed to determine the total energy requirement of all consumers connected to the energy supply station.
- a communication device for communicating with the consumers to be supplied is provided, preferably configured wirelessly, with the energy requirement determination means being connected to said communication device and configured to determine the energy requirement of the connected consumers based on the information provided by the consumers via the communication device determine received data.
- the communication device is designed to query operating data, in particular performance and/or consumption data, of the consumer and to provide it to the energy requirement determination means, which uses the received operating data, in particular performance and/or consumption data, to determine the energy requirement of the consumer determine connected consumers.
- the power and/or energy control device can control the operation of the various storage devices as a function of the specific individual and/or total energy requirement of the connected consumers, for example by controlling the associated electronic power components. For example, it can be variably determined from which storage device what amount of energy or what power is taken and what amount of energy or power is given to which consumer connection. In this case, a respective consumer connection can receive energy from just one store or can also be charged with electrical energy from stores of different designs.
- the memories and/or the electronic power components are networked with one another and/or with the aforementioned power and/or energy control device, in particular in such a way that information or data is divided between can be exchanged with each other and/or with the said power and/or energy control device.
- the named power and/or energy control device can include consumer identification means in order to be able to identify a consumer that is connected in each case.
- the consumer identification means mentioned can be connected to a sensor system on a respective consumer connection, with the aid of which the consumer connected to the consumer connection can be identified.
- a communication interface can also be provided, for example in the form of an RFID reader, in order to be able to identify a respective consumer by reading in an RFID tag.
- Other variants of identification for example by reading in a marking, can also be provided.
- the load identification means can also identify a connected load based on charging characteristics such as charging current or charging resistance.
- the power and/or energy control device can then control the charging of the respective consumer connection with current from the storage means and/or from the at least one supply connection.
- the power and/or energy control device can also take into account the energy supply source connected to the at least one supply connection and/or an operating parameter of the energy supply source connected in each case when controlling the other components of the supply station.
- the planning module is connected via a communication device to a construction site control computer and/or the consumers to be supplied and is designed to query the deployment plan and/or task list from the construction site control computer and/or the consumers to be supplied .
- the power and/or energy control device can include energy source identification means in order to identify the respectively connected energy source and/or to determine characteristic parameters thereof in order to control further components of the supply station as a function thereof.
- the power and/or energy control device can be designed to use the current from a supply network that is connected to a supply connection directly to charge and/or supply a consumer connection and, if there is power left, also to charge the to use storage media.
- the energy supply station 1, cf. Fig. 1, can advantageously form a mobile unit that can be taken from one construction site to the next and that can be designed, for example, in the form of a container or a vehicle trailer.
- the power supply station 1 can include a housing 3 that can be mounted on the chassis of a trailer or can be transported as a piece of freight.
- the energy supply station 1 can have a number of consumer connections 4 to which different consumers, for example in the form of construction machinery and/or industrial trucks, can be connected in order to be able to be charged and/or supplied with electrical energy.
- the energy supply station 1 can be designed to supply various construction machines such as a tower crane 5, a concrete mixer 6, a mobile crane 7, a dump truck 8 or a crawler excavator 9 with electrical energy or to charge batteries for these construction machines, which give the construction machines a self-sufficient electric enable operation.
- other construction machines can of course also be connected to one of the consumer connections 4 in order to be able to be supplied with energy or charged.
- the consumer connections 4 can form charging connections in order to charge batteries or accumulators of the respectively connected construction machine. Alternatively or additionally, the consumer connections 4 can also form working supply connections in order to supply a working construction machine with energy directly during operation, for example via a sufficiently long supply cable. As FIG. 1 also shows, the energy supply station 1 can also include a plurality of supply connections 10 in order to be able to connect one or more energy supply sources 11, for example a hydrogen/fuel cell 12 and/or a supply network 13, which can be part of the public electricity network, for example .
- the mentioned supply connections 10 can accordingly form a mains connection and/or an energy cell connection.
- the aforementioned consumer connections 4 and/or the aforementioned supply connections 13 can advantageously be arranged such that they are accessible from the outside of the energy supply station 1 and/or can be designed as detachable connection connections, for example in the form of plug-in connections, in order to connect a respective consumer 5, 6, 7, 8, 9 or to be able to detachably connect a respective energy source 11 in a simple manner.
- the energy supply station 1 comprises storage means 14, which can be received or accommodated in the aforementioned housing 3.
- Said storage means 14 advantageously include differently configured memories 15, which have different storage properties and can use different storage technologies.
- the storage means 14 can comprise a power store 15 on the one hand and an energy store 16 on the other.
- Said power store 15 can temporarily store and release very high levels of power, while the energy store can preferably store high amounts of energy over longer periods of time.
- a capacitor that can be quickly charged and discharged can be provided as the power store 15, for example in the form of a double-layer capacitor, in order to cover short-term power peaks and possibly also short-term to be able to store large amounts of energy.
- Such large amounts of energy flowing back briefly can occur, for example, when one of the connected construction machines is being supplied with energy from the energy supply station 1, for example via a supply cable, and is being supplied from the energy supply station in mains operation, so to speak.
- Said energy store 16 can be designed in the form of a battery or an accumulator, for example in the form of a lithium-ion accumulator or another type of battery that can store high amounts of energy over a longer period of time.
- a battery as an energy store 16 can cover a greater energy requirement over a longer period of time.
- the power storage device 15 can be characterized by a very high specific power density, which can be one or more powers of ten higher than that of a battery, for example, the energy storage device 11 can be characterized by a very high specific energy density, which can be one or more powers of ten higher than that of the Power memory 15 may be.
- the energy supply station 11 includes power electronics 17, which can include several power electronic components such as current converters, current controllers, switching elements or other components such as IG-PTs, thyristors or transistors .
- the power electronics 17 can include DC/DC converters or DC/DC controllers, with the aid of which the flow of current into or out of the storage means can be controlled.
- DC/DC converters or DC/DC controllers describe an electrical circuit that can convert a DC voltage supplied at the input into a DC voltage with a higher, lower or inverted voltage level and is able To transfer energy from the high voltage level to the low voltage level, for example to load the respective memory, and also to transfer it in the other direction, ie to store it or to transfer it from the memory to the DC voltage circuit of the consumer system.
- Said DCDC controllers 18 are advantageously designed to work bidirectionally in order to be able to control both the storage and the drawing of current into or from the respective storage element.
- each of the memories 15, 16 can be assigned such a DCDC converter 18 or connected upstream.
- Such a DC/DC converter 18 can also be assigned to or connected upstream of the supply connection 10 to which the hydrogen fuel cell 12 is connected, cf. Fig. 1.
- the system can also have a DC/AC converter 19 which can be connected upstream of the load connections 4 and/or can be connected upstream of the supply connection 10 to which the supply network 13 is connected.
- a DC/AC converter describes an electrical circuit that can convert a DC voltage supplied at the input into an AC voltage with a higher, lower, same or inverted voltage level and is able to transfer energy from the high voltage level to the low voltage level.
- this DC/AC converter can also be designed to work bidirectionally in order to be able to convert an AC voltage into a DC voltage in the manner mentioned.
- the components of the energy supply station 1 are controlled and/or regulated by a higher-level power and/or energy control device 20, with the aforementioned power and energy control device 20 being designed in particular to feed electricity into and out of the or to control from the memories 15 and 16 and / or the application of the load terminals 4 with electricity from the storage means 14 ago and / or a of the supply connections 10 and/or to control the feeding in of current from the supply connections 10.
- said power and/or energy control device 19 can be connected to the electronic power components, in particular said DC/DC controllers 18 and DC/AC controllers 19, in order to transmit control commands and/or receive feedback be able.
- said power and/or energy control device 20 is also communicatively connected to said storage means 14 and/or communicatively connected to energy source 11 connected to the respective supply connection 10 in order to be able to transmit control commands and/or receive feedback.
- Said power and/or energy control device 20 can comprise a data processing device, for example comprising a microprocessor, a program memory and a working memory, in order to be able to process corresponding signals and process control routines.
- a data processing device for example comprising a microprocessor, a program memory and a working memory, in order to be able to process corresponding signals and process control routines.
- said power and/or energy control device 20 can include energy requirement determination means 21 in order to be able to determine the individual energy requirement of the consumer connected to a consumer connection 4 in each case, in order to then, depending on the individually determined energy requirement, charge the respective consumer connection 4 with energy to control in terms of performance and / or amount of energy.
- said control device 20 can determine which of the storage devices 15 and 16 provides how much power and/or energy or is provided at the respective consumer connection 10 .
- the control device 20 can control the previously explained components of the energy supply station 1 in a corresponding manner.
- the energy supply station 1 is advantageously distinguished by intelligent control strategies and efficient energy management.
- the energy and power controller 20 handles the communication, to receive data from different (several/individual) construction machines 5-9, to process it and to provide appropriate energy for charging the construction machines 5-9 as needed.
- Communication can be wireless or via a direct connection.
- the energy and power control 20 assumes the task of anticipatory planning of energy supply for the different construction machines 5 - 9 and coordinates the efficient flow of energy between the storage medium and construction machine 5 - 9 for the optimized charging process with regard to different parameters (e.g. service life and costs). storage media.
- the energy and power control 20 has the intelligence to automatically recognize which construction machine 5 - 9 needs how much energy at what time and takes over the planning and coordination of the different storage media for providing the energy and charging the construction machines 5 - 9.
- the energy and power controller 20 optimizes the current flows on the basis of predicted work processes of the construction machines 5 - 9 with regard to the purchase of electricity via the supply connection and the storage states of the different storage devices.
- the energy and power control 20 has permanent (wireless) communication with the different construction machines 5 - 9 for recognizing the corresponding charge states.
- the energy and power control has an external interface for retrieving different data for the planned work processes. Based on this data, the energy and power control coordinates the energy flows and the provision of energy for charging the different different construction machines 5-9 and ensures energy-optimized operation.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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AU2022207654A AU2022207654B2 (en) | 2021-01-15 | 2022-01-14 | Energy supply station for the electrification of construction sites and method for supplying a construction site with electrical energy |
EP22702879.2A EP4248542A1 (de) | 2021-01-15 | 2022-01-14 | Energieversorgungsstation für die elektrifizierung von baustellen sowie verfahren zum versorgen einer baustelle mit elektrischer energie |
US18/272,555 US20240322592A1 (en) | 2021-01-15 | 2022-01-14 | Energy supply station for the electrification of construction sites and method for supplying a construction site with electrical energy |
CA3205290A CA3205290A1 (en) | 2021-01-15 | 2022-01-14 | Energy supply station for the electrification of construction sites and method for supplying a construction site with electrical energy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102021100790.9 | 2021-01-15 | ||
DE102021100790.9A DE102021100790A1 (de) | 2021-01-15 | 2021-01-15 | Energieversorgungsstation für die Elektrifizierung von Baustellen sowie Verfahren zum Versorgen einer Baustelle mit elektrischer Energie |
Publications (1)
Publication Number | Publication Date |
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WO2022152844A1 true WO2022152844A1 (de) | 2022-07-21 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/EP2022/050744 WO2022152844A1 (de) | 2021-01-15 | 2022-01-14 | Energieversorgungsstation für die elektrifizierung von baustellen sowie verfahren zum versorgen einer baustelle mit elektrischer energie |
Country Status (6)
Country | Link |
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US (1) | US20240322592A1 (de) |
EP (1) | EP4248542A1 (de) |
AU (1) | AU2022207654B2 (de) |
CA (1) | CA3205290A1 (de) |
DE (1) | DE102021100790A1 (de) |
WO (1) | WO2022152844A1 (de) |
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2021
- 2021-01-15 DE DE102021100790.9A patent/DE102021100790A1/de active Pending
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2022
- 2022-01-14 AU AU2022207654A patent/AU2022207654B2/en active Active
- 2022-01-14 WO PCT/EP2022/050744 patent/WO2022152844A1/de active Application Filing
- 2022-01-14 EP EP22702879.2A patent/EP4248542A1/de active Pending
- 2022-01-14 CA CA3205290A patent/CA3205290A1/en active Pending
- 2022-01-14 US US18/272,555 patent/US20240322592A1/en active Pending
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