FIELD: motor car construction.
SUBSTANCE: in compliance with claimed process, with forward gear IN at run over the slope torque transmitted from the engine to the wheels is reduced by reducing the torque transmitted by the transmission clutch. In compliance with another version, at the vehicle stop and with no request for increase in vacuum the first torque is transmitted from the engine to the wheels. At vehicle stop and with the request for increase in vacuum, the second torque is transmitted from the engine to the wheels. Said second torque is lower than the first one. Vehicle power plant actuation system comprises the engine, transmission engaged therewith and including electrically driven clutch and controller.
EFFECT: accelerated created of vacuum of required magnitude.
20 cl, 5 dwg
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