EP4568851A1 - Steckverbinderteil - Google Patents
SteckverbinderteilInfo
- Publication number
- EP4568851A1 EP4568851A1 EP23754701.3A EP23754701A EP4568851A1 EP 4568851 A1 EP4568851 A1 EP 4568851A1 EP 23754701 A EP23754701 A EP 23754701A EP 4568851 A1 EP4568851 A1 EP 4568851A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connector part
- heat transport
- housing
- part according
- contact element
- 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.)
- Pending
Links
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
- 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
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
-
- 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
- B60L53/30—Constructional details of charging stations
- B60L53/302—Cooling of charging equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20463—Filling compound, e.g. potted resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- 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
- Y02T90/14—Plug-in electric vehicles
Definitions
- the invention relates to a connector part for mechanical and electrical connection to a mating connector part, in particular a motor vehicle charging socket for coupling to a charging plug as part of an electrical charging infrastructure for electric or hybrid motor vehicles, or vice versa, with a housing made of plastic and at least one arranged in the housing electrical contact element, and with a cooling element which is in thermal contact with the electrical contact element.
- the connector part is generally a charging socket in a motor vehicle, which can be coupled to an associated charging plug that is present, for example, on an electric charging station.
- the charging plug like the charging socket, is part of an electrical charging infrastructure that can be used to charge the rechargeable energy storage devices or accumulators of electric or hybrid motor vehicles.
- the connector part on the motor vehicle can also be a charging plug instead of a charging socket.
- the charging station is equipped with an associated charging socket.
- the electric or hybrid motor vehicle has a charging socket with several electrical contact elements arranged in the housing, into which the charging plug connected to the charging station is inserted for charging the motor vehicle in question.
- a connector part including a temperature monitoring device is described in the prior art according to EP 3 616 270 B1. If the contact element overheats, the temperature monitoring device ensures that the power is switched off or at least the current is reduced.
- the invention is based on the technical problem of further developing such a connector part in such a way that both perfect heat dissipation and cooling as well as reliable electrical insulation are observed even when high voltage is applied.
- the invention proposes that the contact element and the cooling element be electrically insulated from one another in a generic connector part for mechanical and electrical connection to a mating connector part.
- the procedure according to the invention is initially such that the cooling element and the contact element cannot form an electrical connection with one another, but rather are electrically insulated from one another.
- the known and generic teaching works in such a way that at this point the cooling elements are each connected to the shaft section of the contact element in a non-positive or positive manner with an attachment piece. This means that at this point an electrical connection is deliberately being promoted - contrary to the theory of invention.
- the electrical insulation between, on the one hand, the contact element and, on the other hand, the cooling element, while at the same time realizing a thermally conductive connection can be implemented in detail in different ways.
- the cooling element it is in principle possible for the cooling element to be designed to be electrically insulating and at the same time thermally conductive.
- a variant has proven to be particularly favorable here, in which the cooling element consists or has been manufactured, for example, of a thermally conductive plastic or polymer. At the same time, the cooling element can be designed to be electrically insulating.
- the thermally conductive polymer can be one in which individual fillers are embedded for heat conduction.
- the invention is based on the knowledge that thermoplastics typically used for the production of the plastic housing for the connector part generally have thermal conductivities of a maximum of 0.5 W/m ⁇ K. This means that the plastics typically used in this context, such as polypropylene (PP), PA (polyamide), Polyethylene terephthalate (PET), polyethylene (PE), etc. have the typical thermal conductivity values mentioned above.
- a suitable filler can be embedded in the plastic in question.
- electrically insulating and at the same time thermally conductive fillers have proven to be particularly advantageous. These include, for example, aluminum compounds or boron compounds, particularly preferably aluminum oxide or boron nitride. This makes it possible to increase the thermal conductivity of the plastic in question by at least a factor of 3, so that an appropriately constructed cooling element in this context has thermal conductivities of at least 1.5 W/m ⁇ K.
- the relevant thermally conductive fillers in the plastic for producing the cooling element can be provided in a grammage of up to 50% by weight or more. Further details on the fillers and the associated plastics can be found at this point in the relevant DE 10 2007 037 316 A1, which represents the relevant state of the art. Said publication deals with thermally conductive and electrically insulating thermoplastic compounds, i.e. plastics with the aforementioned and embedded specific fillers. In addition, reference should be made to DE 10 2013 208 605 A1.
- the invention opens up as a further option the possibility that the contact element and the cooling element are coupled to one another in a thermally conductive manner via an electrically insulating heat transport element.
- the cooling element itself can be designed to be electrically conductive and at the same time thermally conductive, for example it can be made from a metal.
- metals such as steel, aluminum or zinc have proven to be particularly favorable.
- it is not the cooling element itself that provides the necessary electrical insulation, but rather the electrically insulating heat transport element, which is interposed between the electrically conductive contact element and the cooling element, which in this case is also electrically conductive.
- the electrically insulating heat transport element in question can also be used if necessary. This ultimately depends on how high the electrical conductivity of the cooling element is or is set. That is, depending on the fillers embedded in the plastic in question to realize the cooling element, the electrically insulating heat transport element can, if necessary and additionally, be interposed between the contact element and the cooling element or not.
- the heat transport element In connection with the electrically insulating heat transport element, it has proven to be particularly advantageous if it is made of plastic as part of the housing. This means that additional manufacturing measures and special production methods are not required. In this context, it is particularly favorable if the heat transport element encloses the contact element in a ring-shaped or overall cylindrical cross-section with a wall thickness of, in particular, a few millimeters. Here you can even work with wall thicknesses of less than 1 mm.
- the heat transport element designed as part of the housing can again be defined by fillers introduced into the plastic. These fillers are only used in the area of the heat transport element the plastic inserted.
- electrically insulating fillers with increased thermal conductivity can be used, as already described in the introduction.
- Particularly suitable for this are aluminum and drilled connections and in particular aluminum oxide or boron nitride, which are introduced into the plastic of the housing provided there in the area of the heat transport element and in this way define the electrically insulating and at the same time thermally conductive heat transport element.
- the heat transport element can also be designed as a component that is independent of the housing.
- the heat transport element is a filling made of, for example, a ceramic or mineral material.
- the heat transport element, which is independent of the housing can also be designed as a hose clamp that at least largely encloses the electrical contact element. It is also possible for the heat transport element to have such a hose clamp.
- the heat transport element is typically designed in two parts and is usually composed of an actual transport element that surrounds the contact element in question in a ring and additionally a clamping sleeve.
- the heat transport element including the electrical contact element can be placed in a hole in the housing. This involves compressing the clamping sleeve or hose clamp.
- the adapter sleeve or hose clamp has a high level of thermal conductivity because at this point the internal heat transport element primarily provides electrical insulation and at the same time heat conduction.
- a connector part is provided which is characterized by particularly favorable thermal management. This can be attributed to the fact that a cooling element is used which is electrically insulated from the contact element.
- the cooling element itself is designed to be electrically insulating and at the same time thermally conductive or, if the cooling element is electrically conductive, the intermediate heat transport element ensures electrical insulation towards the contact element. This is where the main advantages can be seen.
- FIG. 1 shows the connector part according to the invention in the form of a motor vehicle charging socket in a front view
- Fig. 2 shows the corresponding rear view of Fig. 1,
- Fig. 3 shows the object according to Figures 1 and 2 in one
- Fig. 4 shows the object according to Fig. 3 in a side view.
- 5A, B, C show a modified embodiment
- 6A, B, C show a further embodiment variant of the invention.
- FIGS. 1 and 2 show a connector part for mechanical and electrical connection to a mating connector part.
- the connector part according to the exemplary embodiment in FIGS. 1 and 2 is a charging socket 1 on the motor vehicle side.
- the charging socket 1 is set up for coupling with a charging plug, which is not shown in detail and represents part of an electrical charging infrastructure for electric or hybrid motor vehicles.
- the charging socket 1 is equipped with a housing 2 made of plastic and at least one electrical contact element 3 arranged in the housing 2.
- a housing 2 made of plastic
- at least one electrical contact element 3 arranged in the housing 2.
- the additional electrical contact elements 4 provided, which are required for an AC charging process, are not subject to any further problematization.
- the two electrical contact elements 3 inside the housing 2 are equipped with a cooling element 5.
- the cooling element 5 is in thermal contact with the electrical contact element 3.
- the overall design is as shown in detail in the front view according to FIG. 3 or the side view in FIG. 4.
- the cooling element 5 is designed to be electrically insulating and at the same time thermally conductive.
- the cooling element 5 may be one made of a plastic or polymer and thus a component of the housing, in which fillers are embedded that are electrically insulating and are also designed to be thermally conductive. Suitable fillers have already been described in the introduction and can be, for example, aluminum oxide and/or boron nitride.
- an additional electrically insulating heat transport element 6 between the contact element 3 and the cooling element 5, indicated in FIG. 3, is unnecessary.
- the electrically insulating heat transport element 6 is used overall. With the help of the electrically insulating heat transport element 6, the contact element 3 and the cooling element 5 are coupled to one another in a thermally conductive manner.
- the cooling element 5 is advantageously made of a metal such as steel, aluminum or zinc.
- the electrically insulating heat transport element 6 ensures electrical decoupling between the contact element 3 and the cooling element 5.
- the previously described variant is distinguished characterized in that the heat transport element 6 is unnecessary because the cooling element 5 itself provides the electrical insulation.
- the heat transport element 6 can consist and be made of a foreign material (i.e. not plastic). Ceramic or mineral materials have proven to be particularly beneficial here, as they provide electrical insulation and yet thermal conductivity. Suitable ceramic materials are, for example, zirconium and mineral materials can include: Sand or the like can be used.
- the overall design is such that the heat transport element 6 has the contact element 3 in a ring-shaped cross section a wall thickness S of in particular a few millimeters.
- the wall thickness S of the heat transport element 6 can be a few millimeters and even be less than 1 mm. In this way, a particularly favorable and rapid heat transport from the contact element 3 to the cooling element 5 is realized and implemented, which corresponds to particularly effective cooling.
- the cooling element 5 is strip-shaped overall and has cooling fins 5a at the ends. These cooling fins 5a can protrude laterally over the housing 2 in a front view. This depends on the installation and space conditions for charging socket 1. It can also be seen that the cooling element 5 only encloses the contact elements 3 for the DC charging process in a strip form, whereas the other contact elements 4 for the AC charging process are not covered due to the lower currents there.
- the heat transport element 6 there is designed as a hose clamp that at least largely encloses the electrical contact element 3.
- the procedure can be such that after pre-assembly of the electrical contact element 3 and the housing 2 or its cooling element 5, the heat transport elements 6 shown, each designed as two-ear hose clamps, are placed in air gaps of the housing 2 or the Cooling element 5 are deformed and largely eliminate or close them.
- the heat transport elements 6 shown each designed as two-ear hose clamps
- the further variant according to FIG. 6 is characterized by a two-part heat transport element 61, 62, which in turn is designed as a component that is independent of the housing 2 or its cooling element 5.
- a primary heat transport element 61 that completely encloses the electrical contact element 3 is realized, which ensures the electrical decoupling between the contact element 3 and the housing 2 or cooling element 5.
- This primary heat transport element 61 can be a coating of the electrical contact element 3 made of plastic or a polymer with embedded fillers, which are designed to be electrically insulating and at the same time thermally conductive.
- a secondary heat transport element 62 is also provided, which is designed as a clamping sleeve.
- the adapter sleeve in question can be equipped with a significantly improved thermal conductivity compared to the primary heat transport element 61. This results in assembly advantages, as can be seen from the perspective view additionally shown in FIG. 6.
- the clamping sleeve in question or the secondary heat transport element 62 and the electrical contact element 3 including the primary heat transport element 61 can be moved into a pre-assembled position in an associated bore or recess in the partially shown cooling element 5 are spent.
- the clamping sleeve or the secondary heat transport element 61 is compressed and pressed into the hole in the cooling element 5 with a slight transition fit. This can be done without tools and therefore results in a cost-effective and lightweight, yet functionally reliable variant.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022120131.7A DE102022120131A1 (de) | 2022-08-10 | 2022-08-10 | Steckverbinderteil |
| PCT/DE2023/100558 WO2024032847A1 (de) | 2022-08-10 | 2023-07-28 | Steckverbinderteil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4568851A1 true EP4568851A1 (de) | 2025-06-18 |
Family
ID=87571769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23754701.3A Pending EP4568851A1 (de) | 2022-08-10 | 2023-07-28 | Steckverbinderteil |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20260027923A1 (de) |
| EP (1) | EP4568851A1 (de) |
| CN (1) | CN119894712A (de) |
| DE (1) | DE102022120131A1 (de) |
| WO (1) | WO2024032847A1 (de) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007037316A1 (de) | 2007-08-08 | 2009-02-12 | Lanxess Deutschland Gmbh | Thermisch leitfähige und elektrisch isolierende thermoplastische Compounds |
| JP2009059649A (ja) * | 2007-09-03 | 2009-03-19 | Kaneka Corp | 放熱性に優れたコネクタ付き電線 |
| DE102007055320B3 (de) * | 2007-11-20 | 2009-03-05 | Continental Automotive Gmbh | Elektrischer Steckkontakt eines elektrischen Antriebssystems |
| US8926360B2 (en) * | 2013-01-17 | 2015-01-06 | Cooper Technologies Company | Active cooling of electrical connectors |
| DE102013208605A1 (de) | 2013-05-10 | 2014-11-13 | Robert Bosch Gmbh | Wärmeleitfähige Kunststoffbauteile mit erhöhter Wärmeleitung in Dickenrichtung |
| DE102016105308A1 (de) | 2016-03-22 | 2017-09-28 | Phoenix Contact E-Mobility Gmbh | Steckverbinderteil mit einem an einem Kontaktelement angeordneten Wärmekapazitätselement |
| BE1025169B1 (de) | 2017-04-24 | 2018-11-28 | Phoenix Contact E-Mobility Gmbh | Steckverbinderteil mit einer Temperaturüberwachungseinrichtung |
| DE102018104536A1 (de) * | 2018-02-28 | 2019-08-29 | Lisa Dräxlmaier GmbH | Festteil eines steckverbinders |
| DE202018006166U1 (de) * | 2018-06-28 | 2019-05-29 | Phoenix Contact E-Mobility Gmbh | Steckverbinderteil mit in einem Abdeckteil eingefassten Kühlelementen |
| DE212019000403U1 (de) * | 2018-10-23 | 2021-06-04 | Rocking Energy Intelligent Technology Co., Ltd. | Ladestation mit guter Wärmeableitung und Elektrofahrzeug mit dieser Ladestation |
| US10756498B1 (en) * | 2019-03-22 | 2020-08-25 | Te Connectivity Corporation | Terminal heat exchanger for an electrical connector |
| CN113328288B (zh) * | 2021-07-14 | 2026-04-17 | 浙江吉利控股集团有限公司 | 充电连接器、电动车以及充电桩 |
| CN217114926U (zh) * | 2022-02-17 | 2022-08-02 | 深圳巴斯巴科技发展有限公司 | 大电流端子的冷却结构和充电装置 |
-
2022
- 2022-08-10 DE DE102022120131.7A patent/DE102022120131A1/de active Pending
-
2023
- 2023-07-28 WO PCT/DE2023/100558 patent/WO2024032847A1/de not_active Ceased
- 2023-07-28 EP EP23754701.3A patent/EP4568851A1/de active Pending
- 2023-07-28 US US19/100,980 patent/US20260027923A1/en active Pending
- 2023-07-28 CN CN202380058526.2A patent/CN119894712A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20260027923A1 (en) | 2026-01-29 |
| WO2024032847A1 (de) | 2024-02-15 |
| DE102022120131A1 (de) | 2024-02-15 |
| CN119894712A (zh) | 2025-04-25 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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