Patent application number | Description | Published |
20080197815 | Vehicle electrical system having a reverse polarization detector - A vehicle electrical system includes an alternator, a rectifier connected to the alternator, a battery which is connectable to the output connections of the rectifier, and a reverse polarization detector connected to the battery. The reverse polarization detector includes a diode. In addition, the reverse polarization detector has a threshold-value element connected in series with the diode. | 08-21-2008 |
20090061546 | METHOD FOR SETTING PREDEFINABLE PARAMETERS - A method for setting predefinable parameters is described, in which for an electronic component, for example a voltage regulator having at least one integrated circuit, the latter has an external connection, via which it is connectable to a programming device. For the latter, a so-called zero programming is provided in the manufacture of the integrated circuit, and predefinable parameters or settings are programmed in following the completion of the manufacturing process, in particular following the assembly of the component or the voltage regulator with the associated generator. | 03-05-2009 |
20100214119 | METHOD AND DEVICE FOR ASSIGNING ADDRESSES IN A SYSTEM HAVING A PLURALITY OF GENERATOR UNITS POSITIONED IN PARALLEL - The present invention relates to a method and a device for assigning addresses in a system having a plurality of generator units connected in parallel. After receiving a start signal, the first generator unit assigns itself an individual address and outputs an identification signal at its control-signal output. Each of the further generator units receives an identification signal output at the control-signal output of a generator unit upstream of it, and assigns itself an individual address as a function of the identification signal received in each case. | 08-26-2010 |
20110050182 | GENERATOR DEVICE WITH OVERVOLTAGE MONITORING - A generator device with a generator regulator and a generator unit having a generator and a rectifier arrangement. The generator regulator has an operating voltage connection and a phase voltage connection. Furthermore, if during a control intervention of the phase voltage the DC voltage applied to the operating voltage connection exceeds a predefined limit for a predefined period of time, the generator regulator deactivates the control intervention of the phase voltage. | 03-03-2011 |
20110190949 | Method and Device For Assigning Addresses in a System Having a Plurality of Generator Units Positioned in Parallel - A method for assigning addresses in a system having a first generator unit and at least one further generator unit positioned in parallel to the first generator unit. Each of the generator units has a control-signal input and a control-signal output. The control-signal input of each further generator unit is connected in each instance to the control-signal output of another of the generator units. Each of the further generator units receives an identification signal output at the control-signal output of a generator unit upstream of it, and assigns itself an individual address as a function of the respective identification signal received, the address depending on the length of the identification signal received. | 08-04-2011 |
20110241631 | Device for detecting a change in a generator output signal of a vehicle generator - A device for detecting a change in a generator output signal of a vehicle generator includes a window comparator for comparing a signal amplitude of the generator output signal to at least one threshold value which limits a signal amplitude range, a detector for detecting a change in the generator output signal based on an output signal of the window comparator, a detection unit for detecting a signal amplitude difference between a maximum signal amplitude and a minimum signal amplitude of the generator output signal, and an adaptation unit for adapting the signal amplitude range of the window comparator, based on the signal amplitude difference, when there is the change in the generator output signal. | 10-06-2011 |
20120105019 | GENERATOR REGULATING SYSTEM HAVING MAIN AND AUXILIARY REGULATORS - A regulating device for regulating the output voltage of a generator; in particular a vehicle generator is described. To improve protection of the voltage regulation from failure, for normal operation it is proposed to perform the regulation using a main regulator which is implemented as software in a control unit, and in the event of a malfunction of the main regulator, to perform the regulation using an auxiliary regulator. | 05-03-2012 |
20120326678 | Method for Protecting an Automotive Generator From Overheating - A method for protecting an automotive generator from overheating, in which a predefined limiting characteristic curve, related to a base temperature and describing a maximally allowed excitation current value, is shifted as a function of a calculated temperature, a static offset is ascertained in a first step and a dynamic offset is ascertained in a second step during ascertainment of the calculated temperature, the static offset is ascertained as a function of the excitation current and the dynamic offset is ascertained as a derivation of the excitation current over time. | 12-27-2012 |
20130214594 | Power Supply Unit for a Vehicle Electrical System of a Motor Vehicle - An improved power supply unit for a vehicle electrical system of a motor vehicle, which has an a.c. generator, that provides a phase signal, having an excitation coil, a field regulator assigned to the excitation coil and a rectifier having rectifier elements for the rectification of the generator voltage supplied by the a.c. generator. The field regulator has a voltage recording range for the evaluation of the phase signal having a minimum value and a maximum value, the maximum value being adjusted to the nominal voltage of a power supply unit of the motor vehicle. | 08-22-2013 |