The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 2023
Filed:
Feb. 14, 2022
Audi Ag, Ingolstadt, DE;
Markus Fischer, Neuburg, DE;
Christian Glück, Ingolstadt, DE;
Thomas Hackner, Greding, DE;
Viktor Kell, Neustadt, DE;
Audi AG, Ingolstadt, DE;
Abstract
A method for providing a power supply for at least one electrically heatable catalyst of a motor vehicle situated in an exhaust gas tract, wherein the motor vehicle comprises a first battery, by means of which a first voltage Uis generated, and a second battery, by way of which a second voltage Uis generated, wherein the at least one catalyst during a start phase immediately following the start of an internal combustion engine of the motor vehicle is supplied by a power Pprovided by the first battery such that the voltage Uof the first battery is imposed on the at least one catalyst, wherein the at least one catalyst is additionally supplied during the start phase by a power Pprovided by the second battery such that the voltage Uof the second battery is transformed by a DC converter to the value of the voltage Uwhich is imposed on the at least one catalyst.