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.

Abstract: The invention relates to a method and a system for fastening a round conductor 200 to a connection element 100, 100?, 100?, comprising a connection element 100, 100?, 100? that comprises at one end an at least partially shell-shaped part 110, and a round conductor 200 closed with a contact element 210, the contact element 210 being adapted to contact the connection element 100, 100?, 100?, and a fastening device 400, 510, 520, 610, 620, 660, 710, 810, which is adapted to fasten in a frictional manner (force-fit) an end region 210 of the round conductor 200 lying in front of the contact element 210 in the region of the shell-shaped part 110 of the connection element 100, 100?, 100?, to the connection element 100, 100?, 100?.

Abstract: The polarity reversal protection unit comprises a pyrotechnic disconnecting unit, a detector device, a tripping element, a first connection element electrically connected with at least one consumer connection and a second connection element electrically connecting a supply support point with the first connection element. The pyrotechnic disconnecting unit is arranged on at least one of the connection elements. The tripping element has a first connection, electrically insulated from the connection elements, to the detector device and a second connection to one of the connection elements, so that a current flow in the tripping element causes a triggering of the pyrotechnic disconnecting unit. The triggering of the pyrotechnic disconnecting unit causes an electrical disconnection of the first and second connection elements.

Abstract: Device for electrically protecting an electric vehicle.

Abstract: The invention relates to a battery cell connector 1 comprising a first terminal part 2 formed for connection to a battery terminal of a first battery, a second terminal part 4, and a connecting part 6 which is arranged between the terminal parts 2, 4 and electrically connects the terminal parts 2, 4 to one another. Uniform connection of battery terminals 22, 24 is ensured in that the first terminal part 2 is formed at least on the side A facing towards a battery terminal 22, 24 from a first electrically conductive material, and in that a flat piece 8, which is formed for connection to a second battery terminal 22, 24 and is formed at least on the side A facing the second battery terminal from a second electrically conductive material different from the first electrically conductive material, is arranged with a material fit on the second terminal part 4.

Abstract: A carrier matrix for battery cell connectors 1, comprising a carrier formed from a non-conductive material, at least one vertical receiver 34 formed in a column to vertically receive a battery cell connector 1, at least two columns arranged horizontally next to one another and a horizontal receiver 36 formed to horizontally receive a battery cell connector 1 connecting batteries arranged next to one another into columns.

Abstract: The invention relates to a circuit breaker for electrical supply lines, particularly power supply lines or battery cables, for motor vehicles, which circuit breaker is comprised of a first connecting element (1), a second connecting element (3) connectable to said first connecting element (1), and a current path whereby in the conducting state of the circuit breaker a current passes between the first connecting element (1) and the second connecting element (3). The technical problem of providing a circuit breaker for electrical supply lines which can be manufactured and advantageously ensures an error-free operation is solved in that a pyrotechnic separating unit (5) is thermally actuatable by Joule heat emitted by at least one of said connecting elements (1, 3) and in that, the connection between the connecting elements (1, 3) can be released by means of the actuated pyrotechnic separating unit (5).

Abstract: The invention relates to a potential distribution system for motor vehicles, which makes provision for a reserve on contact bars of an excess number of connection possibilities for further outlets. The connection possibilities which are not required can be closed off with a blanking plug and the connection possibilities which are required are brought in contact by means of an intermediate element, wherein the intermediate element can be designed as a fuse box or as an intermediate plug with integrated fuses.

Abstract: A ground cable system for motor vehicles includes a ground cable that is a foil conductor. The ground cable is located between a vehicle body having electrical ground reference potential and a vehicle attachment part which is electrically insulated from the body.

Abstract: The invention relates to a plug-in connection (S) comprising a socket element (2), which has a number of contact openings (5.1 to 5.n), and a plug element (1) which corresponds to the socket element (2) and has a number of contact pins (4.1 to 4.n) corresponding to the contact openings (5.1 to 5.n), wherein a pyrotechnic separation element (6), by means of which the circuit can be cut, is integrated in the socket element (2) or in the plug element (1).

Abstract: Connection of electrical cables comprising a connecting cable 2 formed from aluminium strands 4 and a metal connecting part 6. Contact corrosion is prevented when the welding takes place by firmly bonding the connecting cable 2 to the connecting part 6 by means of ultrasonic welding in such a way that a sealant 8 which is displaced between the connecting cable 2 and the connecting part 6 during the ultrasonic welding is situated between the aluminium strands 4.

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 characterised 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: Motor vehicle conductor connection element 2 comprising a first flat part 4 and an inlay 6 arranged in the flat part so as to be substantially flush with a surface of the flat part. In order to ensure contacting with different conductors, it is proposed that the flat part 4 is substantially completely coated with a metal 12 and the inlay 6 is partially coated with the metal 12.

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: Connection of an aluminium stranded lead 2 to a connection part 10, comprising a stripped end 4 of the aluminium stranded lead 2 and a metal connection part 10 which is materially connected to the stripped end 4 of the aluminium stranded lead 2. An inexpensive welded connection can be produced in that an end face of the stripped end 4 of the aluminium stranded lead 2 is welded to the connection part 10 by means of torsional ultrasonic welding.

Abstract: A motor vehicle power cable comprises at least one first flat-conductor element (10) surrounded by at least one first insulation element (14a). The motor vehicle power cable further comprises at least one second flat-conductor element (12) surrounded by at least one second insulation element (14b), and at least one shielding element (16) surrounding the at least one first insulation element (14a) and the at least one second insulation element (14b). In addition to this, the first flat-conductor element (10) surrounded by the first insulation element (14a) and the second flat-conductor element (12) surrounded by the second insulation element (14b) are arranged in such a way that wide surfaces of the flat-conductor elements (10, 12) lie on one another.

Abstract: The invention relates to a ground cable for motor vehicles, the ground cable being located between a vehicle body 4 having electrical ground reference potential and a vehicle attachment part 6, which is electrically insulated against the body. Flexible and virtually trouble-free contact is rendered possible by virtue of the ground cable being a foil conductor 2.

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.

Abstract: The invention relates to a circuit breaker for electric supply lines, in particular energy lines or battery cables of motor vehicles. Said circuit breaker comprises a first connection element (2) and a second connection element (4), the current path running between the first connection element (2) and the second connection element (4), when the circuit breaker (6) is in a conductive state. The aim of the invention is to provide a cost-effective, fail-safe circuit breaker. To achieve this, the first connection element (2) comprises a cavity (8) and the second connection element (4) is configured from an electrically conductive flat part and the second connection element (4) has a projection (10) that corresponds to the shape of the cavity (8), in such a way that in the conductive state of the circuit breaker (1), the projection (10) rests in the cavity (8) in a non-positive fit.

Abstract: The polarity reversal protection unit comprises a pyrotechnic disconnecting unit, a detector device, a tripping element, a first connection element electrically connected with at least one consumer connection and a second connection element electrically connecting a supply support point with the first connection element. The pyrotechnic disconnecting unit is arranged on at least one of the connection elements. The tripping element has a first connection, electrically insulated from the connection elements, to the detector device and a second connection to one of the connection elements, so that a current flow in the tripping element causes a triggering of the pyrotechnic disconnecting unit. The triggering of the pyrotechnic disconnecting unit causes an electrical disconnection of the first and second connection elements.