Patent ID: 9045137
Filing Date: 2015-06-02
Classification: B60K,B60L,B60W,F02D,F02M,F02N,Y02T,Y10S

Abstract:
1. A start control method in a start control device controlling a start of a hybrid vehicle that includes an engine, an electric motor, a hybrid Electronic Control Unit (ECU), and a battery supplying electric power to the electric motor, and that can run by using the engine, by using the electric motor, or by using the engine and the electric motor in cooperation with each other, the start control method comprising: a selecting step of selecting, by the ECU, in accordance with a state of charge and temperature of the battery, any one of a starting mode using only the electric motor when the state of charge is satisfactory and the temperature is lower than a temperature threshold value, a starting mode using the electric motor and the engine in cooperation with each other when the state of charge and the temperature are in a condition where such a starting mode is possible, and a starting mode using only the engine when the state of charge and the temperature are in a condition where the starting mode using the electric motor and the engine in cooperation with each other is not possible, according to a predetermined condition of the battery; and a control step of controlling, by the hybrid ECU, the execution of the start according to the selected starting mode.