Apparatus and method for controlling variable compression ratio engine
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United States of America Patent
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Apr 14, 2020
Grant Date -
Oct 10, 2019
app pub date -
Nov 19, 2018
filing date -
Apr 6, 2018
priority date (Note) -
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Abstract
A variable compression ratio engine includes a piston reciprocally moving in a cylinder of an engine; a variable compression ratio apparatus controlling a movable range of the piston; and a controller controlling the variable compression ratio apparatus if a driving condition of a vehicle and a stability condition of the engine are satisfied to change a compression ratio and controlling a motor torque and an engine torque to control a requirement torque to be satisfied.
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