An air conditioner apparatus for electric vehicles includes: an air conditioning case installed under an under body of a vehicle, and configured to communicate with an interior of the vehicle through an outlet formed through an upper portion of the air conditioning case and circulate conditioned air therein; an HVAC module provided inside the air conditioning case, and configured to adjust temperatures of indoor air and outdoor air and to provide the conditioned air to the interior of the vehicle; and a heat exchange module provided below the HVAC module inside the air conditioning case and configured to exchange heat with the HVAC module depending on whether or not the HVAC module performs a heating or cooling operation.

A thermal management system (1) for controlling the temperature in a cabin (2) and an energy storage system (3) of an electric vehicle including a vehicle component (4). Also, an electric vehicle comprising the thermal management system (1). The system (1) comprises one heat exchanger (5) and one heater (6) arranged to heat the cabin (2) and to provide heat to the heat exchanger (5). The system (1) comprises a first valve (7) for thermal fluid, a first temperature sensor (8) and a control unit (9) arranged to determine (S4) if the cabin (2) or the energy storage system (3) is to be heated, based on a received temperature of the first temperature sensor (8), the temperature in the cabin (2) and in the energy storage system (3), to determine (S5) if there is excess heat in the thermal fluid, and to control (S6) the opening and closing of the first valve (7) so that the thermal fluid is provided to the heater (6) when there is excess heat in the thermal fluid and any of the energy storage system (3) and the cabin (2) is to be heated.

The present invention relates to a thermal management system including: a refrigerant circulation line including a refrigerant circulator, a first heat exchanger, a first expander and a third heat exchanger, wherein refrigerant circulates in the refrigerant circulation line; a heating line for heating the interior by circulating cooling water exchanging heat with the refrigerant through the first heat exchanger; and a cooling line for cooling heating sources by exchanging heat between the cooling water and air or exchanging heat between the cooling water and the refrigerant.

An air conditioning system for electric vehicles reduces a thermal load endured by the air conditioning system using desiccant-coated heat exchangers and improves energy efficiency using waste heat resulting from cooling of an electronic device when the desiccant-coated heat exchanger is regenerated.

An electric machine (14, 16) for a drive train (12) of a motor vehicle (10) has a coil arrangement and a rotor mounted rotatably relative to the coil arrangement. A fluid line is connected thermally to at least one component of the electric machine (14,16) to supply a cooling fluid (36) to the electric machine (14, 16) and to cool the at least one component. A fan (30, 32) is designed to supply cooling air (42) to the electric machine for cooling the electric machine (14, 16), and a control unit (34) controls the fan (30, 32). The control unit (34) controls the fan arrangement (30, 32) and the cooling air supply depending on a speed (n) and/or a torque (M) of the electric machine (14, 16).

A multi-environment integrative thermal management method for a fuel cell vehicle is provided. The method can ensure the accuracy and the stability of the control for a temperature of a fuel cell system of the fuel cell vehicle in a complicated and changeable environment, decrease the energy consumption of the entire vehicle, and increase the economical efficiency of the entire vehicle.

A heat management system includes a high-temperature heat medium circuit, a low-temperature heat medium circuit, a circuit connection part, and a circuit switching part. The high-temperature heat medium circuit connects a heat medium and refrigerant heat exchanger and a heater core. The low-temperature heat medium circuit connects a radiator and a heat generation equipment. The circuit connection part connects the high-temperature heat medium circuit and the low-temperature heat medium circuit such that the heat medium can flow in and out. The heat management system is switched by the circuit switching part between an operation mode in which the heat medium heated by the heat medium and refrigerant heat exchanger is circulated through the heater core and an operation mode in which the heat medium heated by the heat generation equipment and the heat medium and refrigerant heat exchanger is circulated through the heater core.

A vehicle-mounted temperature controller used in a vehicle having a motor, a battery, and a PCU is provided with a low temperature circuit and a refrigeration circuit. The low temperature circuit has a battery heat exchanger, a PCU heat exchanger, a radiator, and a chiller, and the cooling water circulates through them. The refrigeration circuit has a condenser and the chiller absorbing heat from the cooling water to the refrigerant, and the refrigerant circulates through them. The low temperature circuit is configured to be able to switch connection states between a first state where the battery heat exchanger and the chiller are connected, the PCU heat exchanger and the radiator are connected, and the battery heat exchanger and the chiller are not connected to the PCU heat exchanger and the radiator, and a second state where the chiller, the PCU heat exchanger, and the radiator are connected.

A heat pump system for a vehicle includes a cooling apparatus including a radiator, a first water pump, a first valve, and a reservoir tank, a battery cooling apparatus including a battery coolant line connected to the reservoir tank through a second valve, a second water pump and a battery module, a chiller in a first branch line and connected to the battery coolant line through the second valve, a heating apparatus including a first connection line connected to the coolant line through a second valve, and a third water pump and a heater in the first connection line, an air conditioner including a second connection line connected to the battery coolant line through a fourth valve, and a fourth water pump and a cooler in the second connection line, and a centralized energy device connected to the first and second connection lines.

A heat pump for a vehicle is provided in which the heat pump includes a compressor, an inner heat exchanger, an outer heat exchanger, a first expansion unit, a second expansion unit, an evaporator, an accumulator, a third heat exchanger, a first directional control valve, a second directional control valve, and a dehumidification line, and performs cooling, heating, defrosting, and dehumidifying operations according to the flow of a refrigerant.