FIELD: machine building.
SUBSTANCE: invention relates to methods and system for improvement of vacuum generation for a vehicle with a diesel engine, which includes a vacuum pump with mechanical drive from an engine. In one embodiment, engine rpm is increased in compliance with number of braking events and/or in response to vacuum request based on accumulation degree.
EFFECT: technical result is improvement of car systems, as well as compensation of underpressure with due allowance for ambient conditions.
20 cl, 4 dwg
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