A vehicle air conditioner includes: a refrigeration cycle in which a refrigerant circulates; a high-temperature cycle in which a first heat medium in liquid form heated by the refrigeration cycle circulates; a low-temperature cycle in which a second heat medium in liquid form cooled by the refrigeration cycle circulates; and a seat that is provided in a vehicle interior and has a warm flow passage and a cold flow passage disposed close to each other. The warm flow passage is provided on the route of the high-temperature cycle, and the cold flow passage is provided on the route of the low-temperature cycle.

This disclosure details integrated thermal management systems for thermally managing electrified vehicle components. Exemplary integrated thermal management systems may include a thermal module assembly that may be integrated into a front end structure of a flexible modular platform of the electrified vehicle. The integrated thermal management systems may be controlled in a plurality of distinct thermal control modes for thermal managing various subcomponents and for addressing various vehicle auxiliary loads (e.g., passenger cabin heating loads, passenger cabin cooling loads, etc.).

An embodiment method for controlling a heating, ventilation, and air conditioning (HVAC) system of a vehicle includes determining a target subcooled temperature of a refrigerant based on a temperature and a pressure of the refrigerant discharged from an outlet of a compressor when the compressor operates, calculating a change in enthalpy of the refrigerant based on the determined target subcooled temperature in a process of condensing and subcooling the refrigerant, calculating a change in enthalpy of air passing over an exterior surface of a condenser based on the calculated refrigerant enthalpy change, and calculating a required fan duty of a cooling fan based on the calculated air enthalpy change, wherein the cooling fan is configured to blow the air to the condenser.

The present disclosure provides a thermal management system for an electric vehicle. The electric vehicle may include a cabin, a battery system, a battery coolant loop including a battery coolant line thermally coupled to the battery system, a heat pump loop including a heat pump line thermally coupled to an internal heat exchanger, and a refrigerant-coolant heat exchanger thermally coupled to the battery coolant loop and the heat pump loop. The thermal management system may be configured to provide heating or cooling to the cabin or battery system depending on an operating mode.

A heat pump includes a refrigerant loop. The refrigerant loop includes a first heat exchanger, a first region of a second heat exchanger, a third heat exchanger, a fourth heat exchanger, a compressor, a vapor generator, a first check valve, and a second check valve. The compressor includes a low-pressure inlet, a mid-pressure inlet, and an outlet. The vapor generator is positioned downstream of the outlet of the compressor and upstream of both the low-pressure inlet and the mid-pressure inlet. The first check valve is positioned immediately downstream of the third heat exchanger. The second check valve is positioned immediately downstream of the fourth heat exchanger.

A vehicle battery management apparatus and a method thereof are provided. The vehicle battery management apparatus includes a battery that supplies power to a vehicle, a cooling device that cools the battery and a controller that monitors a state of the battery during parking and controls the cooling device to cool the battery with a cooling level corresponding to the state of the battery.

A system for overcooling a drive motor and a method for controlling the same may include a first cooling loop in which a first coolant circulate, the first coolant being in a heat exchange with a power electronics (PE) part and a drive motor cooler mounted in the first cooling line and configured to cool cooling oil supplied to the drive motor fluidically connected to the drive motor cooler; a second cooling loop disposed independently from the first cooling loop, wherein a second coolant circulates in the second cooling loop, the second coolant being in a heat exchange with a battery module and a battery chiller mounted in the second cooling loop; and a switch unit configured to selectively shift a flow path of the second coolant such that the second coolant is in a heat exchange with the drive motor cooler.

It is proposed a thermal management system for a fuel cell vehicle comprising: a first cooling circuit filled with a first coolant, having at least a first pump, a second cooling circuit filled with a second coolant, having at least a second pump, a third cooling circuit filled with a third coolant, having at least a third pump, wherein the first, second and third cooling circuits are fluidically independent from one another, wherein there is provided at least a selective heat exchanger arrangement, for selectively coupling thermally the third cooling circuit with the first cooling circuit and/or with the second cooling circuit, under predefined conditions.

A heat management system includes a reservoir tank which stores a coolant and can replenish, with the coolant, a coolant line connected to the reservoir tank; a flow path transition valve which is connected to the downstream side, according to the flow direction of the coolant, of the reservoir tank and can control the flow direction of the coolant; and a coolant circulation pump which is connected to the downstream side, according to the flow direction of the coolant, of the flow path transition valve and pumps the coolant along the coolant line, wherein, through the layout structure of the reservoir tank, flow path transition valve, and coolant circulation pump, the distance between parts constituting a coolant system of a vehicle is minimized, and the overall flow of the coolant is formed in the direction of gravity, and, thereby, a pressure drop of the coolant can be reduced.

s A cooling system of a motor vehicle includes a first cooling circuit and a second cooling circuit. A refrigerant circuit supplies a vaporizer associated with the first cooling circuit that has a first target power value (S1) determining a cooling potential. The refrigerant circuit also supplies a refrigerant-coolant heat exchanger associated with the second cooling circuit that has a second target power value (S2) determining a cooling potential. A conveyor unit controls a mass flow of a refrigerant flowing through the refrigerant circuit and can be controlled by the first target power value (S1). The cooling system includes a control unit by way of which the first target power value (S1) can be controlled to achieve the second target power value (S2).