WO2024165277A1 - Dispositif de connexion pour conducteur électrique, et unité de contact - Google Patents

Dispositif de connexion pour conducteur électrique, et unité de contact Download PDF

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Publication number
WO2024165277A1
WO2024165277A1 PCT/EP2024/050911 EP2024050911W WO2024165277A1 WO 2024165277 A1 WO2024165277 A1 WO 2024165277A1 EP 2024050911 W EP2024050911 W EP 2024050911W WO 2024165277 A1 WO2024165277 A1 WO 2024165277A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact surface
electrical conductor
clamping jaw
circuit board
connection device
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/EP2024/050911
Other languages
German (de)
English (en)
Inventor
Leobald Podbielski
Benjamin KUHN
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.)
SEW Eurodrive GmbH and Co KG
Original Assignee
SEW Eurodrive GmbH and Co KG
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 SEW Eurodrive GmbH and Co KG filed Critical SEW Eurodrive GmbH and Co KG
Priority to EP24700983.0A priority Critical patent/EP4662738A1/fr
Publication of WO2024165277A1 publication Critical patent/WO2024165277A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
    • H01R4/366—Conductive members located under tip of screw with intermediate part between tip and conductive member intermediate part attached to the tip of the screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/301—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing complete unscrewing of screw or nut
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/302—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing loosening of screw or nut, e.g. vibration-proof connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/304—Clamped connections, spring connections utilising a screw or nut clamping member having means for improving contact

Definitions

  • the invention relates to a connection device for an electrical conductor, which comprises a housing, a circuit board on which the housing is fastened, and a receiving area for receiving an end area of the electrical conductor.
  • the invention also relates to a contacting unit, in particular for a system for contactless energy transmission, which comprises a connection device according to the invention and an electrical conductor.
  • converters are increasingly being used that generate medium-frequency alternating voltages and alternating currents in the range of 10 kHz to 500 kHz.
  • the advantage is that magnetic components such as chokes and transformers can be made significantly smaller as the frequency increases, thus saving space and weight.
  • a system for contactless energy transmission is known from DE 102021 005 981 A1.
  • the system comprises a power source that feeds a primary current with a fundamental frequency between 25 kHz and 100 kHz into a primary conductor.
  • Energy can be transmitted inductively from the primary conductor to a transmitter head of a mobile device.
  • connection terminal for electrical devices is known from DE 693 12 202 T2.
  • the connection terminal has a frame and a contact element that can move within it.
  • a high-current cable clamp for a printed circuit board arrangement is known from DE 296 00 371 U1.
  • the cable clamp has a press-in device and a screw terminal.
  • the invention is based on the object of developing a connection device for an electrical conductor and a contacting unit, in particular for a system for contactless energy transmission.
  • connection device for an electrical conductor with the features specified in claim 1.
  • Advantageous embodiments and further developments are the subject of the subclaims.
  • the object is also achieved according to the invention by a contacting unit with the features specified in claim 11.
  • Advantageous embodiments and further developments are the subject of the subclaims.
  • the receiving area is delimited on one side by the circuit board.
  • connection device has a first contact surface and a second contact surface which are arranged in such a way that the end area of the electrical conductor received in the receiving area can be or is clamped in a force-fitting manner by the spring element and the clamping jaw between the first contact surface and the second contact surface, and that the end area clamped in a force-fitting manner between the first contact surface and the second contact surface of the electrical conductor contacting the first contact surface and the second contact surface.
  • connection device has a relatively large contact surface between the electrical conductor and the contact surfaces. This advantageously reduces the contact resistance. This also reduces contact losses.
  • the first contact surface and the second contact surface are electrically connected to one another even in the absence of an electrical conductor to be connected. Both contact surfaces are electrically connected to a common contact point. A partial current thus flows from the clamped end region of the electrical conductor via the first contact surface to the contact point, and a further partial current flows from the clamped end region of the electrical conductor via the second contact surface to the contact point. At the contact point, the partial currents combine again to form a total current.
  • the contact surface between the electrical conductor and the connection device is thereby advantageously increased, and the contact resistance is further reduced. This also further reduces contact losses.
  • the first contact surface and the second contact surface are arranged opposite one another and can be moved relative to one another.
  • the spring element presses the first contact surface towards the second contact surface via the clamping jaw.
  • the end region of the electrical conductor received in the receiving region is clamped in a force-fitting manner between the first contact surface and the second contact surface.
  • the first contact surface is formed by an electrically conductive film.
  • the film extends from the first contact surface to the contact point. The partial current thus flows through the film to the contact point.
  • the film which forms the first contact surface rests against the clamping jaw.
  • the second contact surface is formed by an electrically conductive film, in particular by a further conductive film, which on the circuit board.
  • the foil extends from the second contact surface to the contact point. The partial current thus flows through the foil to the contact point.
  • At least one conductor track is applied to the circuit board, which forms the second contact surface.
  • the partial current thus flows through the conductor track to the contact point.
  • connection device has an adjusting screw by means of which the clamping jaw can be moved in the direction of the circuit board.
  • a preload can be applied via the clamping jaw to the end region of the electrical conductor received in the receiving region.
  • the spring element also causes pressure on the end region of the electrical conductor.
  • the connection device has an adjusting screw, by means of which the clamping jaw can be moved against a spring force of the spring element in the direction away from the circuit board.
  • an opening through which the end region of the electrical conductor is introduced into the receiving area can be enlarged. This makes it easier to insert the end region of the electrical conductor into the receiving area.
  • pressure via the clamping jaw and the contact surfaces on the clamped end region of the electrical conductor is also reduced. This makes it easier to remove the end region of the electrical conductor from the receiving area.
  • the receiving area has a rectangular cross-section, with the circuit board forming one side of the rectangular cross-section.
  • a contacting unit according to the invention in particular for a system for contactless energy transmission, comprises a connection device according to the invention and an electrical conductor which is designed as a stranded wire and comprises a plurality of parallel individual wires. An end region of the electrical conductor is received in the receiving area, and the end region of the electrical conductor is clamped between the first contact surface and the second contact surface in a force-fitting manner, and the end region of the electrical conductor is in contact with the first contact surface and the second contact surface.
  • the contact unit according to the invention has a relatively large contact surface between the electrical conductor and the contact surfaces of the connection device. This advantageously reduces the contact resistance. This also reduces contact losses.
  • the end region of the electrical conductor has a rectangular cross-section, and the individual wires are soldered together in the end region.
  • the rectangular cross-section results in a significantly larger contact area between the electrical conductor and the connection device. This further reduces the contact resistance and contact losses.
  • the rectangular cross-section has two long sides and two short sides.
  • a long side is at least twice as long, preferably four times as long, as a short side.
  • the long sides each lie against one of the contact surfaces. This further increases the contact surface between the electrical conductor and the connection device. This further reduces the contact resistance and contact losses.
  • Figure 1 a perspective view of a contacting unit according to a first embodiment
  • Figure 2 a sectional view of the contacting unit according to the first embodiment
  • Figure 3 a perspective view of a contacting unit according to a second embodiment
  • Figure 4 a sectional view of the contacting unit according to the second embodiment.
  • Figure 1 shows a perspective view of a contacting unit according to a first embodiment.
  • the contacting unit comprises an electrical conductor 20 and a connection device 10 for connecting the electrical conductor 20.
  • the connection device 10 comprises a receiving area for receiving an end area 24 of the electrical conductor 20. The end area 24 of the electrical conductor 20 is received in the receiving area.
  • the electrical conductor 20 is designed as a stranded wire and comprises a plurality of parallel individual wires.
  • the individual wires are made of an electrically conductive material, in particular copper, and are each circularly cylindrical.
  • the individual wires of the conductor 20 are each coated with an electrically insulating layer of varnish.
  • An insulation 22 surrounds the conductor 20 coaxially.
  • the varnish layers are removed from the individual wires. In the end region 24, the individual wires are therefore free of the electrically insulating varnish layer.
  • the individual wires are soldered together in the end region 24.
  • the end region 24 of the electrical conductor 20 has a rectangular cross-section. The contouring takes place while the conductor 20 is still hot and malleable, directly after tinning.
  • the rectangular cross-section has two long sides and two short sides. A long side is at least twice as long, in this case about four times as long, as a short side.
  • Figure 2 shows a sectional view of the contacting unit according to the first embodiment.
  • the connection device 10 of the contacting unit comprises a housing 30 and a circuit board 40 on which the housing 30 is attached.
  • the housing 30 has several pins which are soldered or pressed to the circuit board 40.
  • the receiving area for receiving the end area 24 of the electrical conductor 20 is arranged between the housing 30 and the circuit board 40.
  • the receiving area has a rectangular cross-section.
  • the circuit board 40 forms one side of the rectangular cross-section of the receiving area. The receiving area is therefore limited on one side by the circuit board 40.
  • the connection device 10 has a first contact surface and a second contact surface.
  • the first contact surface is formed by an electrically conductive film 37.
  • a conductor track (not shown here) is applied to the circuit board 40.
  • the conductor track forms the second contact surface.
  • the film 37 is soldered to the conductor track on the circuit board 40. The first contact surface and the second contact surface are thus electrically connected to one another even in the absence of an electrical conductor 20 to be connected.
  • the connection device 10 has a clamping jaw 31 and a spring element 35.
  • the spring element 35 is designed as a spiral spring and is supported in a spring guide 36 on the housing 30.
  • the spring element 35 presses the clamping jaw 31 in the direction of the end region 24 of the electrical conductor 20 received in the receiving region.
  • the film 37 which forms the first contact surface, is located between the clamping jaw 31 and the end region 24 of the electrical conductor 20. The film 37 rests against the clamping jaw 31.
  • the first contact surface, designed as a film 37, and the second contact surface, designed as a conductor track, are arranged opposite one another and can be moved relative to one another.
  • the spring element 35 presses the first contact surface in the direction of the second contact surface via the clamping jaw 31.
  • the long sides of the cross section of the end region 24 of the electrical conductor 20 each rest against one of the contact surfaces.
  • the end region 24 of the electrical conductor 20 thus rests against the first contact surface and the second contact surface.
  • the end region 24 of the electrical conductor 20 is clamped between the first contact surface and the second contact surface
  • the connection device 10 has an adjusting screw 42.
  • a head of the adjusting screw 42 is located on a side of the housing 30 facing away from the receiving area, i.e. outside the housing 30.
  • a thread of the adjusting screw 42 passes through the housing 30.
  • a locking ring 44 is attached to an end area of the adjusting screw 42 facing away from the head. The locking ring 44 is received in a form-fitting manner in the clamping jaw 31. The locking ring 44 is rotatable relative to the clamping jaw 31.
  • the locking ring 44 pulls the clamping jaw 31 away from the end region 24 of the electrical conductor 20 and from the circuit board 40.
  • the spring element 35 is thereby tensioned and the first contact surface moves away from the second contact surface.
  • the clamping jaw 31 can thus be moved away from the circuit board 40 by means of the adjusting screw 42 against a spring force of the spring element 35.
  • Figure 3 shows a perspective view of a contacting unit according to a second embodiment.
  • the contacting unit comprises an electrical conductor 20 and a connection device 10 for connecting the electrical conductor 20.
  • the connection device 10 comprises a receiving area for receiving an end area 24 of the electrical conductor 20. The end area 24 of the electrical conductor 20 is received in the receiving area.
  • the electrical conductor 20 is designed to be identical to the electrical conductor 20 according to the first embodiment.
  • FIG 4 shows a sectional view of the contacting unit according to the second embodiment.
  • the connection device 10 of the contacting unit comprises a housing 30 and a circuit board 40 on which the housing 30 is attached.
  • the housing 30 has several pins which are soldered or pressed to the circuit board 40.
  • the receiving area for receiving the end area 24 of the electrical conductor 20 is arranged between the housing 30 and the circuit board 40.
  • the receiving area has a rectangular cross-section.
  • the circuit board 40 forms one side of the rectangular cross-section of the receiving area.
  • the receiving area is therefore limited on one side by the circuit board 40.
  • the connection device 10 has a first contact surface and a second contact surface.
  • the first contact surface is formed by an electrically conductive film 37.
  • a conductor track (not shown here) is applied to the circuit board 40.
  • the conductor track forms the second contact surface.
  • the film 37 is soldered to the conductor track on the circuit board 40. The first contact surface and the second contact surface are thus electrically connected to one another even in the absence of an electrical conductor 20 to be connected.
  • the connection device 10 has a clamping jaw 31 and a spring element 35.
  • the spring element 35 is designed as a leaf spring and is supported on a hold-down device 48.
  • the spring element 35 presses the clamping jaw 31 in the direction of the end region 24 of the electrical conductor 20 received in the receiving region.
  • the film 37 which forms the first contact surface, is located between the clamping jaw 31 and the end region 24 of the electrical conductor 20. The film 37 rests against the clamping jaw 31.
  • the first contact surface, designed as a film 37, and the second contact surface, designed as a conductor track, are arranged opposite one another and can be moved relative to one another.
  • the spring element 35 presses the first contact surface in the direction of the second contact surface via the clamping jaw 31.
  • the long sides of the cross section of the end region 24 of the electrical conductor 20 each rest against one of the contact surfaces.
  • the end region 24 of the electrical conductor 20 thus rests against the first contact surface and the second contact surface.
  • the end region 24 of the electrical conductor 20 is clamped between the first contact surface and the second contact surface in a force-fitting manner.
  • the connection device 10 has an adjusting screw 42.
  • a head of the adjusting screw 42 is located on a side of the housing 30 facing away from the receiving area, i.e. outside the housing 30.
  • a thread of the adjusting screw 42 passes through the housing 30.
  • An end area of the adjusting screw 42 facing away from the head rests on the hold-down device 48.
  • the adjusting screw 42 is rotatable relative to the clamping jaw 31 and relative to the hold-down device 48.
  • the spring element 35 presses the first contact surface, which is designed as a film 37, onto the end region 24 of the electrical conductor 20.
  • the clamping jaw 31 can thus be moved in the direction of the circuit board 40 by means of the adjusting screw 42.
  • the connection device 10 also has an anti-twist device 46.
  • the anti-twist device 46 is attached to the outside of the housing 30 and engages in a form-fitting manner in a groove in the head of the adjusting screw 42.
  • the anti-twist device 46 prevents unwanted rotation of the adjusting screw 42 relative to the housing 30.
  • connection device 20 conductors

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne un dispositif de connexion (10) pour un conducteur électrique (20), ledit dispositif de connexion comprenant : un boîtier (30) ; une carte (40) sur laquelle le boîtier (30) est fixé ; une zone de réception destinée à recevoir une zone d'extrémité (24) du conducteur électrique (20) ; une mâchoire de serrage (31) pour maintenir par friction la zone d'extrémité (24) du conducteur électrique (20) reçue dans la zone de réception ; et un élément ressort (35) qui presse la mâchoire de serrage (31) dans la direction de la région d'extrémité (24) du conducteur électrique (20) reçue dans la région de réception, un côté de la région de réception étant délimité par la carte (40), et le dispositif de connexion (10) ayant une première surface de contact et une seconde surface de contact qui sont positionnées de telle sorte que la région d'extrémité (24) du conducteur électrique (20) reçue dans la région de réception peut être serrée par frottement entre la première surface de contact et la seconde surface de contact par l'élément ressort (35) et la mâchoire de serrage (31), et la région d'extrémité (24) du conducteur électrique (20) serrée par frottement entre la première surface de contact et la seconde surface de contact entre en contact avec la première surface de contact et la seconde surface de contact. L'invention concerne également une unité de mise en contact comprenant un dispositif de connexion (10) selon l'invention et un conducteur électrique (20).
PCT/EP2024/050911 2023-02-08 2024-01-16 Dispositif de connexion pour conducteur électrique, et unité de contact Ceased WO2024165277A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP24700983.0A EP4662738A1 (fr) 2023-02-08 2024-01-16 Dispositif de connexion pour conducteur électrique, et unité de contact

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023000390.5 2023-02-08
DE102023000390.5A DE102023000390B3 (de) 2023-02-08 2023-02-08 Anschlussvorrichtung für einen elektrischen Leiter und Kontaktierungseinheit

Publications (1)

Publication Number Publication Date
WO2024165277A1 true WO2024165277A1 (fr) 2024-08-15

Family

ID=89661259

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/050911 Ceased WO2024165277A1 (fr) 2023-02-08 2024-01-16 Dispositif de connexion pour conducteur électrique, et unité de contact

Country Status (3)

Country Link
EP (1) EP4662738A1 (fr)
DE (2) DE102023000390B3 (fr)
WO (1) WO2024165277A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29600371U1 (de) 1996-01-10 1996-06-13 Siemens AG, 80333 München Hochstrom-Kabelklemme für eine Leiterplattenanordnung
DE69312202T2 (de) 1992-10-05 1998-01-02 Schneider Electric Sa Anschlussklemme für Elektrogeräte
DE19726836A1 (de) * 1997-06-24 1999-01-07 Ruf Electronics Gmbh Steckkontaktverbinder
US8246375B2 (en) * 2008-10-08 2012-08-21 Weidmueller Interface Gmbh & Co. Kg Circuit board clamp means
EP3336969B1 (fr) 2016-05-19 2019-06-26 Würth Elektronik Eisos Gmbh & CO. KG Dispositif de contact pour une transmission d'énergie électrique sur une carte de circuits imprimés et procédé de montage d'un tel dispositif de contacts
DE102021005981A1 (de) 2021-01-12 2022-07-14 Sew-Eurodrive Gmbh & Co Kg Übertragerkopf zur berühungslosen Aufnahme von Energie, System zur berühungslosen Übertragung von Energie und Betriebsvefahren

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69312202T2 (de) 1992-10-05 1998-01-02 Schneider Electric Sa Anschlussklemme für Elektrogeräte
DE29600371U1 (de) 1996-01-10 1996-06-13 Siemens AG, 80333 München Hochstrom-Kabelklemme für eine Leiterplattenanordnung
DE19726836A1 (de) * 1997-06-24 1999-01-07 Ruf Electronics Gmbh Steckkontaktverbinder
US8246375B2 (en) * 2008-10-08 2012-08-21 Weidmueller Interface Gmbh & Co. Kg Circuit board clamp means
EP3336969B1 (fr) 2016-05-19 2019-06-26 Würth Elektronik Eisos Gmbh & CO. KG Dispositif de contact pour une transmission d'énergie électrique sur une carte de circuits imprimés et procédé de montage d'un tel dispositif de contacts
DE102021005981A1 (de) 2021-01-12 2022-07-14 Sew-Eurodrive Gmbh & Co Kg Übertragerkopf zur berühungslosen Aufnahme von Energie, System zur berühungslosen Übertragung von Energie und Betriebsvefahren

Also Published As

Publication number Publication date
DE102023000390B3 (de) 2024-02-22
EP4662738A1 (fr) 2025-12-17
DE102024000134A1 (de) 2024-08-08

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