Patent ID: 9024466
Filing Date: 2015-05-05
Classification: B60R,F02N,H02J,Y02T

Abstract:
1. An on-board electrical system for an automobile, comprising: a generator and a high-power load connected in parallel between a reference potential and a primary pole, a vehicle battery connected between the reference potential and the primary pole or between the reference potential and a secondary pole, a sensitive electrical load connected between the reference potential and the secondary pole, an energy store having a positive and a negative terminal, a switching assembly connected between the primary pole and the secondary pole by way of a coil, said switching assembly having a plurality of switches, wherein a first switch which when closed connects the primary pole with the positive terminal of the energy store in a first switching state, a second switch which when closed connects the sensitive electrical load with the positive terminal of the energy store by way of the coil, a third switch which when closed connects the primary pole with the negative terminal of the energy store, a fourth switch which when closed connects the sensitive electrical load with the negative terminal of the energy store by way of the coil in the first switching state, and a controller configured to switch the plurality of switches between the first switching state and at least one of a plurality of additional switching states different from the first switching state, wherein the plurality of additional switching states comprises a second switching state wherein the first and the second switch are closed, a third switching state wherein the second and the third switch are closed, and a fourth switching state wherein all switches, or pairwise the first and the third switch and the second and the forth switch, are open.