초록 ▼

Upon request for start-up of an engine, a control apparatus controls the opening/closing action of a waste gate valve in accordance with the temperature Te of the engine before cranking and, if the temperature Te of the engine is equal to or lower than a first set temperature Te1, sets the waste gat

Upon request for start-up of an engine, a control apparatus controls the opening/closing action of a waste gate valve in accordance with the temperature Te of the engine before cranking and, if the temperature Te of the engine is equal to or lower than a first set temperature Te1, sets the waste gate valve in an open state.

대표청구항 ▼

1. A control apparatus of an engine having an exhaust bypass passage for bypassing a turbine of a supercharger, a waste gate valve for opening and closing the exhaust bypass passage, a starting switch that outputs an engine start-up request when operated by a driver, and a temperature sensor that de

1. A control apparatus of an engine having an exhaust bypass passage for bypassing a turbine of a supercharger, a waste gate valve for opening and closing the exhaust bypass passage, a starting switch that outputs an engine start-up request when operated by a driver, and a temperature sensor that detects a temperature of the engine, the control apparatus including a processing device and a storage device storing a program that executes the processing device to: control an opening/closing action of the waste gate valve via an opening/closing control device of the control apparatus; andstart-up the engine in accordance with the engine start-up request via a start-up control device of the control apparatus; wherein the opening/closing control device controls the opening closing action of the waste gate valve in accordance with the detected temperature of the engine before a start-up procedure for the engine by the start-up control device is started; wherein if the detected temperature of the engine is equal to or lower than a first predetermined temperature, the opening/closing control device controls the waste gate valve in a valve opening direction; andwherein the opening/closing control device controls the opening/closing action of the waste gate valve in accordance with the detected temperature of the engine after the start-up procedure for the engine is completed; wherein if the detected temperature of the engine is equal to or lower than a second predetermined temperature, the opening/closing control device controls the waste gate valve in a valve closing direction; and wherein the first predetermined temperature is set to be lower than the second predetermined temperature;wherein if the detected temperature of the engine is equal to or lower than the second predetermined temperature after the start-up procedure for the engine is completed, the opening/closing control device maintains the waste gate valve in a closed state until the opening/closing control device determines that the detected temperature of the engine becomes equal to or higher than a third predetermined temperature;wherein the third predetermined temperature is higher than the second predetermined temperature and lower than a warm-up completion temperature of the engine. 2. The control apparatus of an engine according to claim 1, wherein the engine has an intake bypass valve for opening and closing an intake bypass passage for bypassing a compressor of the supercharger; andthe opening/closing control device controls an opening/closing action of the intake bypass valve in a valve opening direction as well as the opening/closing action of the waste gate valve in the valve opening direction. 3. The control apparatus of an engine according to claim 2, wherein the waste gate valve has an actuator which operates to close the wastegate valve via an electric power supplied from a battery, and operates to open the wastegate valve upon a cutoff of the electric power supplied from the battery; andwherein the start-up control device actuates an electric motor for cranking the engine via the electric power supplied from the battery. 4. The control apparatus of an engine according to claim 1, wherein the waste gate valve has an actuator which operates to close the wastegate valve via/based on/with respect to an electric power supplied from a battery, and operates to open the wastegate valve upon a cutoff of the electric power supplied from the battery; andwherein the start-up control device actuates an electric motor for cranking the engine via the electric power supplied from the battery. 5. A control apparatus of an engine having an exhaust bypass passage for bypassing a turbine of a supercharger, a waste gate valve for opening and closing the exhaust bypass passage, a starting switch that outputs an engine start-up request when operated by a driver, and a temperature sensor that detects a temperature of the engine, the control apparatus including a processing device and a storage device storing a program that executes the processing device to: control an opening/closing action of the waste gate valve via an opening/closing control device of the control apparatus; andstart-up the engine in accordance with the engine start-up request via a start-up control device of the control apparatus; wherein the opening/closing control device controls the opening/closing action of the waste gate valve in accordance with the detected temperature of the engine before a start-up procedure for the engine by the start-up control device is started; wherein if the detected temperature of the engine is equal to or lower than a first predetermined temperature, the opening/closing control device controls the waste gate valve in a valve opening direction; wherein the first predetermined temperature is set to be lower than the second predetermined temperature;wherein the engine has an intake bypass valve for opening and closing an intake bypass passage for bypassing a compressor of the super charger; andwherein the opening/closing control device controls an opening/closing action of the intake bypass valve in a valve opening direction as well as the opening/closing action of the waste gate valve in the valve opening direction. 6. The control apparatus of an engine according to claim 5, wherein the waste gate valve has an actuator which operates to close the wastegate valve via an electric power supplied from a battery, and operates to open the wastegate valve upon a cutoff of the electric power supplied from the battery; andwherein the start-up control device actuates an electric motor for cranking the engine via the electric power supplied from the battery. 7. A control apparatus of an engine having an exhaust bypass passage for bypassing a turbine of a supercharger, a waste gate valve for opening and closing the exhaust bypass passage, a starting switch that outputs an engine start-up request when operated by a driver, and a temperature sensor that detects a temperature of the engine, the control apparatus including a processing device and a storage device storing a program that executes the processing device to: control an opening/closing action of the waste gate valve via an opening/closing control device of the control apparatus; andstart-up the engine in accordance with the engine start-up request via a start-up control device of the control apparatus; wherein the opening/closing control device controls the opening/closing action of the waste gate valve in accordance with the detected temperature of the engine before a start-up procedure for the engine by the start-up control device is started; wherein if the detected temperature of the engine is equal to or lower than a first predetermined temperature, the opening/closing control device controls the waste gate valve in a valve opening direction;wherein the waste gate valve has an actuator which operates to close the wastegate valve via/based on/with respect to an electric power supplied from a battery, and operates to open the wastegate valve upon a cutoff of the electric power supplied from the battery; andwherein the start-up control device actuates an electric motor for cranking the engine via the electric power supplied from the battery.