Importance

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Abstract

In a method and a device for engine stop/engine start of hybrid vehicles, which includes an internal combustion engine and an electric machine which is coupled to the internal combustion engine and is selectively able to be operated regeneratively or motively, the engine speed can be detected and compared to a limit speed to initiate the stopping of the engine in a hybrid vehicle using an automatic start/stop mechanism, and if the engine speed drops to the threshold speed, the engine is stopped, the electric machine being switched over into the motive or the regenerative operation when the limit speed is reached; the electric machine assuming the limit speed, whereas the fuel supply of the internal combustion engine is shut down or remains shut down and the electric machine initiates the stopping of the internal combustion engine.

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First Claim