Patents Assigned to Leoni Bordnetz-Systeme GmbH
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Patent number: 12218658Abstract: A system and a method for identifying a non-switching semiconductor switch are proposed. The system has a first acquisition component, a second acquisition component and a determination unit. The first acquisition component is designed to acquire a profile of an electrical variable of a first semiconductor switch driven by way of a first drive signal. The second acquisition component is designed to acquire a profile of an electrical variable of a second semiconductor switch driven by way of a second drive signal and connected in parallel with the first semiconductor switch. The determination unit is designed to use the profile of the electrical variable of the first semiconductor switch and the profile of the electrical variable of the second semiconductor switch as a basis for determining an output signal that allows identification of a non-switching semiconductor switch for the first semiconductor switch and/or the second semiconductor switch.Type: GrantFiled: October 14, 2020Date of Patent: February 4, 2025Assignee: LEONI BORDNETZ-SYSTEME GMBHInventors: Matthias Ebert, Wolfgang Koch, Martin Roesler
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Patent number: 12203988Abstract: The invention relates to a system (30) and a method for identifying a non-switching semiconductor switch (34a, 36a). The system (30) comprises a first semiconductor switch (34a), a first semiconductor component (34b), a second semiconductor switch (36a), a second semiconductor component (36b), a first resistor (64b), a second resistor (66b) and a detection unit (38). The detection unit (38) is designed to identify, on the basis of a curve of a first voltage dropping across the first resistor (64b), whether the first semiconductor switch (34a) is not switching. The detection unit (38) is designed to identify, on the basis of a curve of a second voltage dropping across the second resistor (66b), whether the second semiconductor switch (36a) is not switching.Type: GrantFiled: December 18, 2020Date of Patent: January 21, 2025Assignee: LEONI BORDNETZ-SYSTEME GMBHInventor: Wolfgang Koch
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Patent number: 12125609Abstract: An assembly head is used for wrapping a wire harness in an automated manner by means of a winding module. The module has a winding head which rotates about an axis of rotation and, according to a first aspect, has a total of three pressing elements with spring-mounted rollers, which, during the taping process, press a tape against the wire harness and guide the tape in a centering manner. According to a second aspect, a belt drive having a toothed belt is provided for driving the winding head. The toothed belt engages on the circumferential side only in one portion extending over a small angular range.Type: GrantFiled: August 14, 2020Date of Patent: October 22, 2024Assignee: LEONI Bordnetz-Systeme GmbHInventor: Johann Saule
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Patent number: 12077112Abstract: A vehicle electrical system for a vehicle includes first and second subsystems, each connected to at least one energy source. The first and second subsystems have different voltage levels. At least one safety-relevant load is connected to one of the subsystems, this subsystem having two partial systems, and the load being connected to both partial systems so that the load is connected to the energy source of the subsystem via two separate supply lines. A power module, which connects the two subsystems to each other and is designed such that each of the two supply lines can be connected to both energy sources so that the load can be supplied from both energy sources via both supply lines. There is also described a corresponding power module.Type: GrantFiled: June 19, 2020Date of Patent: September 3, 2024Assignees: LEONI Bordnetz-Systeme GmbH, HELLA GmbH & Co. KGAAInventors: Sebastian Kahnt, Juergen Krieger
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Patent number: 11817235Abstract: The device and the method are used for the automatic assembly of an in particular twisted pair of wires, wherein the pair of wires has two wire elements each with a contact element arranged at one end of a wire end. The respective contact elements are brought into a predetermined rotary position by gripping the wire pair with a main gripper which has an axis of rotation about which it can rotate, and wherein the wire ends are each gripped by a gripping element. The respective contact element is brought into the predetermined rotary position by rotating the pair of wires by way of the main gripper.Type: GrantFiled: May 18, 2020Date of Patent: November 14, 2023Assignee: LEONI Bordnetz-Systeme GmbHInventors: Tim Herrmann, Roland Jaecklein, Sarah Kopp, Paulo Martins, Ana Carolina Roquez Buitrago
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Patent number: 11551834Abstract: A cable-laying device for producing wiring or cable harnesses of different types includes a laying plane for positioning lines of a wiring or cable harness, a plurality of transport units which can be moved relative to the laying plane in an at least partially automated manner, and a control device which is configured to control the transport units. A method for producing cable harnesses of different types by using a cable laying device is also provided.Type: GrantFiled: June 8, 2018Date of Patent: January 10, 2023Assignee: LEONI Bordnetz-Systeme GmbHInventors: Tzeichoun Chalil, Klaus Hold, Paulo Martins
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Patent number: 11550304Abstract: A system for the automated manufacture of a wiring harness, which demonstrates a branched structure made up of multiple individual conductor elements. To form wiring harnesses having an individually branched structure, the conductor elements are automatically brought into a predefined distribution structure, multiple second rails oriented in parallel to each other and multiple second transporters, distributed on the second rails, being used for this purpose. The second transporters are each fitted with one wire end of the conductor elements. To form the distribution structure, the second rails are subsequently moved in a vertical direction, and the second transporters are moved along the second rail. In this spread-apart structure, additional processing steps are carried out, for example a fixing of the conductor elements to each other.Type: GrantFiled: April 9, 2018Date of Patent: January 10, 2023Assignee: LEONI Bordnetz-Systeme GmbHInventors: Fabian Dietlein, Christian Guni, Paul Heisler, Roland Jaecklein, Paulo Martins, Onur Tavsel
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Patent number: 11529662Abstract: A cutting station for the automatic cutting to a specific length of cable elements and has a magazine which extends in a longitudinal direction and a transverse direction and has several holders for one cable element each. The cable elements are held next to each other in a horizontal magazine plane. A processing head extends in a longitudinal direction, which is movable in a transverse direction relative to the stationary magazine and is designed for gripping, pulling off and cutting to a specific length a respective currently selected cable element from the magazine. Each holder has two fixing elements spaced apart from one another in the longitudinal direction for holding the cable element. For machining by the processing head, a respective holder with a respective cable element is lifted in a preferred configuration from the magazine plane into the working plane.Type: GrantFiled: April 30, 2020Date of Patent: December 20, 2022Assignee: LEONI Bordnetz Systeme GmbHInventors: Markus Achinger, Jessica Dutz, Johann Saule, Andreas Nedobijczuk
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Patent number: 11458662Abstract: A method produces plastic/metal hybrid components, in particular for the automotive field. A plastic compound is injected into a tool mold, and the tool mold has a core onto which a metal is injected. The plastic compound is then injected into the tool mold such that the metal is back-molded with the plastic compound and is fixed to the plastic in order to produce a blank. The tool mold is used to produce at least one depression in the surface of the blank, the depression being at least partly filled with a metal as part of a first additional processing.Type: GrantFiled: May 30, 2018Date of Patent: October 4, 2022Assignee: LEONI Bordnetz-Systeme GmbHInventors: Manfred Dehn, Andreas Kremling
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Patent number: 11309656Abstract: A method assembles a plug on a multi-core sheathed cable which extends in a longitudinal direction and has multiple wires surrounded by a cable sheath. A sealing element made of a sealing material is applied to the multiple wires. The sealing element has individual passages formed through the sealing material for the wires. Subsequently, the wires are assembled in a plug housing, wherein the plug housing has an opening at a rear end thereof, and the sealing element is inserted into the opening and shifted preferably along the wires such that the sealing element sits in the opening in a sealing manner. A sealing coating is then applied, which extends from the rear end of the plug housing to the cable sheath.Type: GrantFiled: May 8, 2018Date of Patent: April 19, 2022Assignee: LEONI Bordnetz-Systeme GmbHInventors: Heinz-Dieter Winkelmann, Dany Becker, Tanil Gezgin
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Patent number: 11303272Abstract: A switching apparatus electrically connects an electrical load to an energy source and contains a main current path which has a switching unit with a circuit breaker, via which the electrical load is connected to the energy source in a supply mode. An auxiliary current path is connected in parallel with the main current path and in which a first switch is arranged. A disconnection mode is performed in which the circuit breaker is open and the electrical load is connected only to the auxiliary current path to reduce electrical energy stored inside the electrical load. A diagnostic mode is also provided, in which the switching unit is open and the electrical load is connected to the energy source only via the auxiliary current path to supply the electrical load. A control unit for activating the diagnostic mode is also provided.Type: GrantFiled: March 16, 2020Date of Patent: April 12, 2022Assignee: LEONI Bordnetz-Systeme GmbHInventors: Marcus Dellit, Christoph Kirsch, Bernhard Schraud, Joachim Neubert
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Patent number: 11239686Abstract: A motor vehicle, particularly a passenger car, contains an onboard electrical system having a number of electrical consumers, a generator and an onboard electrical system rechargeable battery. A bidirectional interface is provided for a rechargeable device battery of a mobile device such that the rechargeable device battery can be coupled to the onboard electrical system by the bidirectional interface and, when coupled, can both be charged by the onboard electrical system and be used as an additional energy source in the onboard electrical system.Type: GrantFiled: June 10, 2019Date of Patent: February 1, 2022Assignees: HELLA GmbH & Co,. KGaA, LEONI Bordnetz-Systeme GmbHInventors: Sebastian Kahnt, Hans Joachim Liebscher, Magnus Nigmann, Ilja Uljanow
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Patent number: 11228309Abstract: A circuit device and a method for safely disconnecting a semiconductor switching element, in particular a MOSFET, are provided, wherein the semiconductor switching element comprises a gate terminal, a source terminal and a drain terminal, wherein, during operation of the semiconductor switching element, a current path between the drain terminal and the source terminal can be reversibly disconnected by the gate terminal, and the gate terminal comprises a gate voltage potential and the source terminal comprises a source voltage potential. A fuse unit is arranged between the gate terminal and the source terminal, which fuse unit is set up and designed, as a function of a potential difference between the gate voltage potential and the source voltage potential, so as to electrically connect the gate terminal to the source terminal after the current path is disconnected, so that the gate voltage potential and the source voltage potential are adapted.Type: GrantFiled: January 19, 2021Date of Patent: January 18, 2022Assignees: Leoni Bordnetz-Systeme GmbH, Hella GmbH & Co. KgaAInventors: Sebastian Doernbach, Rolf Wagemann, Markus Plaschke
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Patent number: 11195642Abstract: A system for the automated production of a cable set, which has a branched structure of a plurality of individual line elements. In a modular set-up in the first part, a plurality of first processing stations, and in the second part, a plurality of second processing stations are arranged. In the first part, there is an automatic preparation of the individual line elements, which are then collected in a buffer station at the end of the first part. In the second part, the prepared individual line elements are assembled into the cable set. The line elements are plugged into connector casings in a connector station and transferred to second transporters, and via which the branched structure of the cable set is then formed by moving along second tracks. In this spread-out branched structure, a fixing of the line elements to one another takes place in a fixing station.Type: GrantFiled: April 9, 2018Date of Patent: December 7, 2021Assignee: LEONI Bordnetz Systeme GmbHInventors: Fabian Dietlein, Christian Guni, Paul Heisler, Roland Jaecklein, Paulo Martins, Onur Tavsel
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Publication number: 20210143815Abstract: A circuit device and a method for safely disconnecting a semiconductor switching element, in particular a MOSFET, are provided, wherein the semiconductor switching element comprises a gate terminal, a source terminal and a drain terminal, wherein, during operation of the semiconductor switching element, a current path between the drain terminal and the source terminal can be reversibly disconnected by the gate terminal, and the gate terminal comprises a gate voltage potential and the source terminal comprises a source voltage potential. A fuse unit is arranged between the gate terminal and the source terminal, which fuse unit is set up and designed, as a function of a potential difference between the gate voltage potential and the source voltage potential, so as to electrically connect the gate terminal to the source terminal after the current path is disconnected, so that the gate voltage potential and the source voltage potential are adapted.Type: ApplicationFiled: January 19, 2021Publication date: May 13, 2021Applicants: LEONI Bordnetz-Systeme GmbH, HELLA GmbH & Co. KGaAInventors: Sebastian DOERNBACH, Rolf WAGEMANN, Markus PLASCHKE
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Patent number: 10985538Abstract: A method for reducing a volume of air within an electrical distribution system. The method includes providing at least one cable, surrounding the at least one cable with an isolating unit, placing a first shielding body on a top surface of the isolating unit, placing a second shielding body on a bottom surface of the isolating unit, wherein placing the first shielding body and the second shielding body creates a gap X1 between the first shielding body or the second shielding body and the isolating unit, and crimping the first shielding body to the second shielding body to create a shield housing, so that a gap X2 is created between the first shielding body or the second shielding body and the isolating unit, wherein X2 is less than X1. The at least a portion of the first shielding body may overlap with the second shielding body, and the first shielding body or the second shielding body may include at least one flared portion.Type: GrantFiled: May 23, 2019Date of Patent: April 20, 2021Assignee: LEONI Bordnetz-Systeme GmbHInventors: Fernando Perez-Lazcano, Alexander Kett, Tuncer Gür, Michaela Gau
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Patent number: 10965057Abstract: A method checks a sealing of an interior space of a plug connection that is to be tested. The plug connection has two plug connection elements, namely a plug connector element and a mating connector element, the plug connector element being plugged into the mating connector element in a plug-in direction. One of the plug connection elements additionally has a test opening to the interior space, via which, for the purpose of checking the sealing, a test medium is applied to the interior space, and the test opening is then sealed toward the interior space.Type: GrantFiled: August 6, 2018Date of Patent: March 30, 2021Assignee: LEONI Bordnetz-Systeme GmbHInventor: Alexander Stenzel
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Patent number: 10965491Abstract: System (10) for energy and/or data transmission in a vehicle (15), with at least one node element (120) for the networked connection of at least two electric components (30) of the vehicle (15), so that different connecting paths are provided, and the transmission of energy and/or data occurs in an adaptable manner via at least one of the connecting paths.Type: GrantFiled: September 12, 2017Date of Patent: March 30, 2021Assignees: HELLA GmbH & Co. KGaA, LEONI Bordnetz-Systeme GmbHInventors: Frédéric Holzmann, Michael Dubreuil
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Publication number: 20200388419Abstract: A method and a device for producing a twisted line comprising at least two wires. The at least two wires are unwound from at least one take-off spool and are twisted in a twisting unit to form the twisted line, wherein the twisting unit has a first roller and a second roller and the at least two wires are supplied to a twisting area between the two rollers and are twisted by turning the rollers in the same direction.Type: ApplicationFiled: December 6, 2018Publication date: December 10, 2020Applicant: LEONI BORDNETZ-SYSTEME GMBHInventor: Paulo MARTINS
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Publication number: 20200346263Abstract: A cutting station for the automatic cutting to a specific length of cable elements and has a magazine which extends in a longitudinal direction and a transverse direction and has several holders for one cable element each. The cable elements are held next to each other in a horizontal magazine plane. A processing head extends in a longitudinal direction, which is movable in a transverse direction relative to the stationary magazine and is designed for gripping, pulling off and cutting to a specific length a respective currently selected cable element from the magazine. Each holder has two fixing elements spaced apart from one another in the longitudinal direction for holding the cable element. For machining by the processing head, a respective holder with a respective cable element is lifted in a preferred configuration from the magazine plane into the working plane.Type: ApplicationFiled: April 30, 2020Publication date: November 5, 2020Applicant: LEONI Bordnetz-Systeme GmbHInventors: Markus ACHINGER, Jessica DUTZ, Johann SAULE, Andreas NEDOBIJCZUK