Abstract: A device (1) for stabilizing a supply voltage (UBatt) in a motor vehicle, having a function component of the motor vehicle, in particular in the form of a starter (4), a voltage source (10) which is connected to the function component (4) in order to supply the function component (4) with the supply voltage (UBatt), characterized in that the voltage source (10) is connected to the function component (4) via a resistor cascade (30) in order to stabilize the supply voltage (UBatt).

Abstract: A device (1) for stabilising a supply voltage (UBatt) in a motor vehicle, having a function component of the motor vehicle, in particular in the form of a starter (4), a voltage source (10) which is connected to the function component (4) in order to supply the function component (4) with the supply voltage (UBatt) characterised in that the voltage source (10) is connected to the function component (4) via a resistor cascade (30) in order to stabilise the supply voltage (UBatt).

Abstract: The invention relates to a method for protecting a lithium ion battery (1) in a vehicle. According to the invention, in the case of thermal and/or electrical overload the lithium ion battery (1) is disconnected from an electrical system (4) of a vehicle. The invention also relates to a device for protecting a lithium ion battery (1) in a vehicle.

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: 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: The present invention relates to an arrangement (7) for protection of an electrical device. In this case, the device is connected via one pole terminal (4) to one pole (3) of a battery (1) . A protective contact unit (9) has a connecting section (10) which is connected directly to the pole terminal (4), and has a starting assistance contact section (11) which is connected to the connecting section (10) via a switch (12). An evaluation circuit (15) operates the switch (12) in order to disconnect the electrical connection between the starting assistance contact section (11) and the connecting section (10) as soon as the evaluation circuit (15) detects a fault current.

Abstract: A method and arrangement for supplying quiescent current to a vehicle having a multi-voltage on-board electrical system with at least two on-board electrical subsystems having different voltage levels during normal operation. The voltage levels of the on-board electrical subsystems are reduced to a uniform value when the engine is stationary.

Abstract: A method for determining the ability of a vehicle to start, in order to detect the operational capability of a battery, in particular of a vehicle battery, in a particularly simple and reliable way. Current values and voltage values of the battery are sensed during a predefined time window, in particular while the vehicle is being started. An internal resistance of the battery is determined by reference to the current values and the voltage values by means of linear regression, and a reference resistance value for the starting behavior of the vehicle is determined by reference to a maximum value for the current and a minimum value for the voltage which are sensed within the predefined time window. A value which represents the ability to start is determined by reference to a comparison between the internal resistance and the reference resistance value.

Abstract: The invention relates to a pyrotechnic fuse element having a closed housing consisting of an electrically conductive material, in which an explosive is provided, the housing containing two terminal zones for electric contacting, which are electrically connected by means of the electrically conductive material of the housing, the electric connection of the terminal zones being separable by activating the explosive, and the explosive material being embodied as a deflagrating pyrotechnic substance which is provided in such an amount and is configured such that the electric connection of the terminal zones of the housing is separated in a predetermined time after the deflagrating pyrotechnic substance has been activated.

Abstract: According to the invention, in a method for determining the ability of a vehicle to start, in order to detect the operational capability of a battery, in particular of a vehicle battery, in a particularly simple and reliable way, current values and voltage values of the battery are sensed during a predefined time window, in particular while the vehicle is being started, an internal resistance of the battery being determined by reference to the current values and the voltage values by means of linear regression, and a reference resistance value for the starting behavior of the vehicle being determined by reference to a maximum value for the current and a minimum value for the voltage which are sensed within the predefined time window, a value which represents the ability to start being determined by reference to a comparison between the internal resistance and the reference resistance value.

Abstract: The invention relates to a pyrotechnic fuse element having a closed housing consisting of an electrically conductive material, in which an explosive is provided, the housing containing two terminal zones for electric contacting, which are electrically connected by means of the electrically conductive material of the housing, the electric connection of the terminal zones being separable by activating the explosive, and the explosive material being embodied as a deflagrating pyrotechnic substance which is provided in such an amount and is configured such that the electric connection of the terminal zones of the housing is separated in a predetermined time after the deflagrating pyrotechnic substance has been activated.

Abstract: A control device for the drive motor of a windscreen wiper device in a vehicle, especially a motor vehicle, comprising a control switch which can be activated by means of a manually actuated wiper switch and which automatically controls the drive motor in a switching stage of said wiper switch according to a rain sensor signal corresponding to a characteristic curve. The operating data for the drive motor varies according to the external effects of lighting, temperature, or speed parameters.

Abstract: An arrangement and method for protecting a multiple voltage supply system against voltage arc-over between the different voltage planes. For this, the voltage in the low-voltage plane of the supply system is clamped to the low-voltage value with a voltage limiter until a battery disconnect switch in the high-voltage plane of the supply system is opened and the generator output voltage in the high-voltage plane is adjusted back to the voltage value of the low-voltage plane. As a result, the high-voltage plane of the supply system is disconnected from the high-voltage sources. Consequently, the voltage in the low-voltage plane is prevented from increasing even in case of a short-circuit between both voltage planes of the supply system and the consumers in the low-voltage plane can continue to be operated safely.

Abstract: A method and arrangement for supplying quiescent current to a vehicle having a multi-voltage on-board electrical system with at least two on-board electrical subsystems having different voltage levels during normal operation. The voltage levels of the on-board electrical subsystems are reduced to a uniform value when the engine is stationary.

Abstract: An arrangement and method for protecting a multiple voltage supply system against voltage arc-over between the different voltage planes. For this, the voltage in the low-voltage plane of the supply system is clamped to the low-voltage value with a voltage limiter until a battery disconnect switch in the high-voltage plane of the supply system is opened and the generator output voltage in the high-voltage plane is adjusted back to the voltage value of the low-voltage plane. As a result, the high-voltage plane of the supply system is disconnected from the high-voltage sources. Consequently, the voltage in the low-voltage plane is prevented from increasing even in case of a short-circuit between both voltage planes of the supply system and the consumers in the low-voltage plane can continue to be operated safely.

Abstract: A method for operating a safety device for motor vehicles which contains a multistage high-current battery isolating switch, disconnection of the battery from the vehicle's electrical system being blocked by vehicle operating signals, is characterized in that, to reactivate the vehicle, door contact switches are actuated and feed battery current to a switching logic which actuates the battery isolating switch by motor operation, in such a way that said switching logic moves the battery isolating switch into a standard position which connects the vehicle's electrical system to the battery.

Abstract: A control device for the driving motor (10) of a windshield system. A manually operated wiper switch (18) is provided for selecting an operating mode, in at least one of which the wiper speed is automatically controlled by a characteristic curve and the signal from a rain sensor (13). To modify the characteristic curve based on the use of the system by an individual driver, the manually operated wiper switch (18) conveys control commands to an adaptation algorithm control in a control circuit (16). The control circuit (16), in response to switching out of the automatic mode, generates a new characteristic curve at a modified operating point, with the new characteristic curve incorporating the modified operating point. When the switching stage which is dependent on the quantity of rain is again activated, the diving motor (11) is controlled according to the new characteristic curve.

Abstract: The invention relates to a potential distribution system for the potential distribution to consumers and suited connectors. The potential distribution system contains a central supply line to which connectors can be joined to the consumer by means of a clamping device, preferably a cutting-clamping device, at freely selectable points. Each connector contains a self reset fuse for the consumer.

Abstract: A wiper rest heater is connected to a sensor. The sensor, when temperatures are low, directly or indirectly measures whether or not the windshield wiper can be moved when the wiper motor is switched on, without thereby damaging the wiper blade element or the motor. As a function of this, the wiper rest heater is then either switched on or off by an intelligent control.

Abstract: The invention relates to a circuit for protecting consumers from damage caused by polarity reversal in an electrical system, comprising a limiter and a tripping device, wherein the system voltage supply is limited when polarity is reversed and the voltage source connected with reversed polarity can be disconnected.