Abstract: Motor vehicle on-board network having at least two main line strands arranged electrically parallel to one another, the main line strands being electrically short-circuited to one another in two regions which are separated from one another and having a connection for one of at least two on-board network power supplies in each case, at least one motor vehicle on-board network being arranged in the at least two main line strands interrupting the respective main line strand, the motor vehicle electrical system switching network having at least three switches, a first switch being arranged between a first main line connection and a common node, a second switch being arranged between a second main line connection and the common node, and a third switch being arranged between the common node and at least one load connection.

Abstract: Motor vehicle on-board network having at least two main line strands arranged electrically parallel to one another, the main line strands being electrically short-circuited to one another in two regions which are separated from one another and having a connection for one of at least two on-board network power supplies in each case, at least one motor vehicle on-board network being arranged in the at least two main line strands interrupting the respective main line strand, the motor vehicle electrical system switching network having at least three switches, a first switch being arranged between a first main line connection and a common node, a second switch being arranged between a second main line connection and the common node, and a third switch being arranged between the common node and at least one load connection.

Abstract: Multi-voltage on-board electrical system of a motor vehicle, comprising at least three flat cables extending substantially in parallel with one another in the longitudinal direction thereof, and at least two voltage sources, wherein a first of the flat cables is connected in an electrically conductive manner to a first pole of a first of the voltage sources, a second of the flat cables is connected in an electrically conductive manner to a first pole of a second of the voltage sources, and a third of the flat cables arranged between the first and the second flat cable is connected in an electrically conductive manner to a second pole of the first and/or second voltage source.

Abstract: Multi-voltage on-board electrical system of a motor vehicle, comprising at least three flat cables extending substantially in parallel with one another in the longitudinal direction thereof, and at least two voltage sources, wherein a first of the flat cables is connected in an electrically conductive manner to a first pole of a first of the voltage sources, a second of the flat cables is connected in an electrically conductive manner to a first pole of a second of the voltage sources, and a third of the flat cables arranged between the first and the second flat cable is connected in an electrically conductive manner to a second pole of the first and/or second voltage source.

Abstract: Starting current limitation system 20 having at least a first electrical connection component 30 which can be connected to a battery pole 12, a second electrical connection component 34 which can be connected to a starter 18, and a parallel circuit which is connected between the first connection component 30 and the second connection component 34 and which comprises a branch 24a having a amperage control device 24 and a branch 22a having an electrical resistor 22. An optimization of structural space is achieved when the branch 22a having the electrical resistor 22, the branch 24a having the amperage control device 24 and the first connection component 30 are arranged inside a pole niche 26a of the battery pole 12.

Abstract: Circuit arrangement for vehicles with at least one semiconductor element 30 and at least one first metal carrier plate 2a and a metal circuit board 2b. A multifaceted scope of application is provided if the carrier plate 2a is electrically insulated from the circuit board 2b and the carrier plate 2a is electrically linked with at least one of the circuit boards 2b by means of at least one semiconductor device 30 so that the carrier plate 2a and the circuit board 2b form an electrical three-pole.

Abstract: Switch system for a motor vehicle electrical system comprising a first switch element arranged between a generator-battery line and a starter-battery line of a vehicle electrical system, such that the generator-battery line and the starter-batter line can be short circuited spatially in the region of the starter.

Abstract: Circuit having a first printed circuit board and a second printed circuit board. In the circuit, the printed circuit boards spaced apart from one another by means of an air gap are mechanically connected together by at least one power semiconductor.

Abstract: Circuit arrangement for vehicles with at least one semiconductor element 30 and at least one first metal carrier plate 2a and a metal circuit board 2b. A multifaceted scope of application is provided if the carrier plate 2a is electrically insulated from the circuit board 2b and the carrier plate 2a is electrically linked with at least one of the circuit boards 2b by means of at least one semiconductor device 30 so that the carrier plate 2a and the circuit board 2b form an electrical three-pole.

Abstract: Circuit having a first printed circuit board and a second printed circuit board. In the circuit, the printed circuit boards spaced apart from one another by means of an air gap are mechanically connected together by at least one power semiconductor.

Abstract: For the electrical protection of a current control device 12 against overcurrents, a starting current limitation system is proposed with a first electrical connection 4 connectable to a motor vehicle battery pole 9, a second electrical connection 6 connectable to a starter 10, and a parallel circuit connected between the first connection 4 and the second connection 6, comprising a branch with a current control device 12 and a branch with an electrical resistor 14, in such a way that, at the beginning of a warm start of the motor vehicle, a starter current is conducted via the resistor 14 and that, after the beginning of the warm start, the starter current is conducted via the current control device 12 and the resistor 14.

Abstract: Switch system for a motor vehicle electrical system comprising a first switch element arranged between a generator-battery line and a starter-battery line of a vehicle electrical system, such that the generator-battery line and the starter-batter line can be short circuited spatially in the region of the starter

Abstract: Starting current limitation system 20 having at least a first electrical connection component 30 which can be connected to a battery pole 12, a second electrical connection component 34 which can be connected to a starter 18, and a parallel circuit which is connected between the first connection component 30 and the second connection component 34 and which comprises a branch 24a having a amperage control device 24 and a branch 22a having an electrical resistor 22. An optimisation of structural space is achieved when the branch 22a having the electrical resistor 22, the branch 24a having the amperage control device 24 and the first connection component 30 are arranged inside a pole niche 26a of the battery pole 12.

Abstract: The invention relates to an electrical isolating device (2) comprising a first connecting part (4a), a second connecting part (4b), an isolation point (6) which in the closed state forms a current path between the first and the second connecting parts (4a, 4b) and is located spatially between the connecting parts, wherein in the isolated state the isolation point (6) isolates the current path between the connecting parts (4a, 4b), and further comprising an auxiliary drive (8) which influences isolation of the isolation point (6). Particularly reliable isolation is ensured in that a flowable medium (10) driven by the auxiliary drive is disposed in such a way that it surrounds the isolation point (6) at least partially at least at the moment of isolation.

Abstract: A polarity reversal protection device for motor vehicles has a detection device (10), a first connection element (22) electrically connected to a supply tap (94), a second connection device (24) having the electrical potential of the vehicle body. In case of a polarity reversal, the first connection element (22) is electrically connected to the first connection element (24) via the detector device (10). Further, the reverse polarity protection device is characterized in that a insulating layer (26) is provided between the first connection element (22) and the second connection element (24), that each of the connection elements (22, 24) has at least one receptacle (36, 38) and that the detection device (10) is at least positively engaged in at least one receptacle (36, 38).

Abstract: For the electrical protection of a current control device 12 against overcurrents, a starting current limitation system is proposed with a first electrical connection 4 connectable to a motor vehicle battery pole 9, a second electrical connection 6 connectable to a starter 10, and a parallel circuit connected between the first connection 4 and the second connection 6, comprising a branch with a current control device 12 and a branch with an electrical resistor 14, in such a way that, at the beginning of a warm start of the motor vehicle, a starter current is conducted via the resistor 14 and that, after the beginning of the warm start, the starter current is conducted via the current control device 12 and the resistor 14.

Abstract: A battery measuring clamp, comprising a battery pole clamp 2, a measuring resistor 12 electrically connected to the battery pole clamp 2, and an evaluation circuit which evaluates at least the voltage across the measuring resistor 12, wherein the evaluation circuit is electrically connected to the measuring resistor 12 via at least two measuring contacts 18 and at least two data lines 24 are arranged on the evaluation circuit. A flexible use of such a battery measuring clamp is ensured by the fact that the data lines are arranged in a connection means 26, that a data connector 32 is monolithically connected to a coupling means 28 corresponding to the connection means 26, and that the coupling means 28 and the connection means 26 are plugged together in order to electrically contact the data connector 32 to the data lines 24.

Abstract: The invention relates to an electrical isolating device (2) comprising a first connecting part (4a), a second connecting part (4b), an isolation point (6) which in the closed state forms a current path between the first and the second connecting parts (4a, 4b) and is located spatially between the connecting parts, wherein in the isolated state the isolation point (6) isolates the current path between the connecting parts (4a, 4b), and further comprising an auxiliary drive (8) which influences isolation of the isolation point (6). Particularly reliable isolation is ensured in that a flowable medium (10) driven by the auxiliary drive is disposed in such a way that it surrounds the isolation point (6) at least partially at least at the moment of isolation.

Abstract: A battery measuring clamp, comprising a battery pole clamp 2, a measuring resistor 12 electrically connected to the battery pole clamp 2, and an evaluation circuit which evaluates at least the voltage across the measuring resistor 12, wherein the evaluation circuit is electrically connected to the measuring resistor 12 via at least two measuring contacts 18 and at least two data lines 24 are arranged on the evaluation circuit. A flexible use of such a battery measuring clamp is ensured by the fact that the data lines are arranged in a connection means 26, that a data connector 32 is monolithically connected to a coupling means 28 corresponding to the connection means 26, and that the coupling means 28 and the connection means 26 are plugged together in order to electrically contact the data connector 32 to the data lines 24.

Abstract: The invention relates to a motor vehicle battery sensor element comprising a resistor element 2 and at least two spatially separated electric contacts 16 positioned on the resistor element 2. To increase the measuring accuracy and to reduce the temperature variance, it is proposed that the resistor element 2 along with the electric contacts 16 is coated with a metal coating 8.