Vehicle Driving Device

A vehicle driving device includes an engine, a continuously variable transmission, and a controller. The controller controls the engine and the continuously variable transmission such that an operating point determined by a rotation number and an output torque of the engine follows at least one oper...

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Bibliographic Details
Main Author NATORI, Akio
Format Patent
LanguageEnglish
Published 28.06.2018
Subjects
CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION
CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES
PERFORMING OPERATIONS
ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Summary:A vehicle driving device includes an engine, a continuously variable transmission, and a controller. The controller controls the engine and the continuously variable transmission such that an operating point determined by a rotation number and an output torque of the engine follows at least one operating line. In a region where the rotation number of the engine is smaller than a predetermined value, the operating line is set on an optimum fuel efficiency line. In a region where the rotation number equals to or larger than a predetermined value an increasing amount of the output torque relative to an increasing amount of the rotation number in the operating line is larger than the increasing amount of the output torque relative to the increasing amount of the rotation number in the optimum fuel efficiency line.
Bibliography:Application Number: US201715843040