Invention Grant
US08047314B2 Power output apparatus, hybrid vehicle equipped with power output apparatus, and control method of power output apparatus 有权
动力输出装置,配备动力输出装置的混合动力车辆,动力输出装置的控制方法

Power output apparatus, hybrid vehicle equipped with power output apparatus, and control method of power output apparatus
Abstract:
When a required speed ratio as a required value of a speed ratio between an engine and a driveshaft becomes equal to or less than a lower limit speed ratio that is not more than an n-th shift speed ratio during an n-th speed state of a transmission, a hybrid vehicle controls the engine, two motors, and the transmission to ensure output of power based on a torque demand to the driveshaft while performing an engine rotational speed adjustment of making a rotational speed of the engine equal to a shift rotational speed corresponding to an upper side shift speed ratio or an effective shift speed ratio and a shift from an n-th speed state to an (n+1)-th speed state.
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