Method for operating hybrid vehicle and corresponding driving device

Abstract

The method involves operating an internal combustion engine (8) with predefined load to heat a catalyst (9) for cold-starting of the engine of a hybrid vehicle, where the vehicle comprises a driving installation (1) with driving units (3, 4) having an electric motor (10). The electric motor is assisted for driving the hybrid vehicle. The internal combustion engine is operated in an idle state to continue heating process of the catalyst. An independent claim is also included for a driving installation comprising a control device for managing driving units.

Description

technical field [0001] The invention relates to a method for operating a hybrid vehicle having a drive with at least two different drive units, wherein at least one electric machine and at least one internal combustion engine with a catalytic converter can be operated as drive units. The drive unit has at least one electric machine and at least one internal combustion engine as power units, wherein the hybrid vehicle can be operated with only the electric machine, only with the internal combustion engine, or with both the electric machine and the internal combustion engine, depending on the operating conditions. [0002] These different possibilities are appreciated at the outset through the representations. technical background [0003] For common automobiles, this automobile only has an internal combustion engine (also referred to as an internal combustion engine), and the internal combustion engine is started as a drag start when starting for the first time, that is, when...

AI Technical Summary

Problems solved by technology

The known control device of a hybrid vehicle thus prevents a purely electric start when the internal combustion engine is cold

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