| 摘要 |
Everyday driving mostly consists of unaccelerated rolling such that the idling drive unit is often useless or even counterproductive, and thus uneconomical, according to the physical influences, particularly the slope of the roadway. The inventive control unit NTF recognizes a desired unaccelerated speed when the vehicle rolls and deactivates the drive unit, which is dispensable under correspondingly favorable conditions, within a tolerated speed while permanently controlling and ensuring the elementary vehicle functions, allowing cruising while the engine is turned off and separated from the drive unit, resulting in more economical driving. The function of the drive unit can immediately be restored as required in combustion engine-operated vehicles by means of modern engine starting systems such that security or comfort is in no way hampered. The effectiveness can be increased with the aid of an auxiliary electric drive unit which maintains the vehicle speed within the tolerated range for a longer period of time. Economic efficiency can be further augmented by means of a flexible automatic on/off mechanism which activates only the auxiliary drive unit when a slight acceleration is desired. |
