Air conditioner for hybrid vehicle

An air conditioner for a hybrid vehicle, the hybrid vehicle having an engine for running the vehicle, an electrical motor for supplementary running the vehicle, a battery for supplying electrical power to the electrical motor, and a power generator driven by the engine to generate electrical power and to charge the battery, the air conditioner comprising:

• an air conditioning unit, to which electrical power from the battery is supplied, for performing air-conditioning operation in a passenger compartment of the vehicle;
• and
• a control unit for controlling operation of the air conditioning unit, wherein:
• when a residual charging degree of the battery becomes equal to or lower than a charging-starting target value, the electrical motor is driven by the engine to charge the battery;
• and
• when a running load of the vehicle is equal to or larger than a predetermined value, the control unit decreases the air-conditioning capacity of the air conditioning unit, as compared with a case where the running load of the vehicle is smaller than the predetermined value.

An air conditioner for a hybrid vehicle, the hybrid vehicle having an engine for running the vehicle, an electrical motor for supplementary running the vehicle, a battery for supplying electrical power to the electrical motor, and a power generator driven by the engine to generate electrical power and to charge the battery, the air conditioner comprising:

• an air conditioning unit, to which electrical power from the battery is supplied, for performing air-conditioning operation in a passenger compartment of the vehicle;
• and
• a control unit for controlling operation of the air, conditioning unit, wherein:
• when a residual charging degree of the battery becomes equal to or lower than a charging-starting target value, the electrical motor is driven by the engine to charge the battery;
• and
• the control unit controls an air-conditioning capacity of the air conditioning unit, based on a power generation state of the power generator.

An air conditioner for a hybrid vehicle, the hybrid vehicle having an engine for running the vehicle, an electrical motor for supplementary running the vehicle, a battery for supplying electrical power to the electrical motor, and a power generator driven by the engine to generate electrical power and to charge the battery, the air conditioner comprising:

• an air conditioning unit, to which electrical power from the battery is supplied, for performing air-conditioning operation in a passenger compartment of the vehicle;
• and
• a control unit for controlling operation of the air conditioning unit, wherein:
• when a residual charging degree of the battery becomes equal to or lower than a charging-starting target value, the electrical motor is driven by the engine to charge the battery;
• and
• when the vehicle is in an acceleration state, the control unit decreases the air-conditioning capacity of the air conditioning unit, as compared with a case where the vehicle is in a deceleration state.

An air conditioner for a hybrid vehicle, the hybrid vehicle having an engine for running the vehicle, an electrical motor for supplementary running the vehicle, a battery for supplying electrical power to the electrical motor, and a power generator driven by the engine to generate electrical power and to charge the battery, the air conditioner comprising:

• an air conditioning unit, to which electrical power from the battery is supplied, for performing air-conditioning operation in a passenger compartment of the vehicle;
• and
• a control unit for controlling operation of the air conditioning unit, wherein:
• when a residual charging degree of the battery becomes equal to or lower than a charging-starting target value, the electrical motor is driven by the engine to charge the battery;
• and
• when an electrical power amount discharged from the battery is equal to or larger than a predetermined value, the control unit decreases the air-conditioning capacity of the air conditioning unit, as compared with a case where the electrical power amount discharged from the battery is smaller than the predetermined value.

An air conditioner for a hybrid vehicle, the hybrid vehicle having an engine for running the vehicle, an electrical motor for supplementary running the vehicle, a battery for supplying electrical power to the electrical motor, and a power generator driven by the engine to generate electrical power and to charge the battery, the air conditioner comprising:

• an air conditioning unit, to which electrical power from the battery is supplied, for performing air-conditioning operation in a passenger compartment of the vehicle;
• and
• a control unit for controlling operation of the air conditioning unit, wherein:
• when a residual charging degree of the battery becomes equal to or lower than a charging-starting target value, the electrical motor is driven by the engine to charge the battery;
• and
• when a power generation efficiency due to the engine is equal to or lower than a predetermined efficiency, the control unit decreases the air-conditioning capacity of the air conditioning unit, as compared with a case where the power generation efficiency due to the engine is higher than the predetermined efficiency.