A method for operating a cooling system of a motor vehicle for cooling at least one component, a cooling system of a motor vehicle for cooling at least one component, and a motor vehicle having such a cooling system. The cooling system has a coolant circuit and a refrigerant circuit. The coolant circuit serves for cooling the at least one component and the refrigerant circuit and the coolant circuit are coupled thermally to one another via a heat exchanger. The coolant circuit has a conveying device for conveying a coolant in the coolant circuit. A cooling power of the refrigerant circuit can be regulated. The regulation of the cooling power of the refrigerant circuit is realized in a manner dependent on a return temperature of the coolant and/or on a temporal development of the return temperature of the coolant.

An air-conditioning device includes a heater unit that heats the air to be lead to a vehicle cabin using the heat of the refrigerant compressed by a compressor, a liquid receiver arranged at the downstream side of an outside heat exchanger, a liquid receiver separating the refrigerant lead from the outside heat exchanger into a liquid-phase refrigerant and a gaseous-phase refrigerant and storing the liquid-phase refrigerant, and a restrictor mechanism provided between the heater unit and the outside heat exchanger, the restrictor mechanism decompressing and expanding the refrigerant. When there is a dehumidification request, the operation mode is temporarily switched from a dehumidifying cabin-heating mode which evaporates the refrigerant by an evaporating unit and radiates heat by the heater unit in the state in which the restrictor mechanism restricts the flow of the refrigerant, to the cabin-cooling mode which evaporates the refrigerant by the evaporating unit while promoting the storage of the liquid-phase refrigerant in the liquid receiver.

A transportation refrigeration unit (TRU) system is provided and includes a damper assembly configured to direct air flows through first or second pathways and an evaporator disposed in the first pathway, a coil element surrounded by phase change material (PCM) and disposed in the second pathway and a routing assembly configured to direct refrigerant through the evaporator or the coil element. With the PCM pre-cooled, the damper and routing assemblies are controllable to respectively direct the air flows through the first pathway and the refrigerant through the evaporator when first conditions are met and to respectively direct the air flows through the second pathway when second conditions are met.

A temperature management system for a vehicle is disclosed. The temperature management system includes a refrigerant circuit and a heat transfer fluid loop. The refrigerant circuit includes a compression device, an expansion member, a first heat exchanger configured to exchange heat between the refrigerant and an air flow external to a vehicle interior, a second heat exchanger configured to exchange heat between the refrigerant and the heat transfer fluid circulating in the loop, and a fourth heat exchanger configured to exchange heat between the refrigerant and an air flow inside the vehicle interior. The the heat transfer fluid loop includes, on a main line, the second heat exchanger and a primary radiator configured to exchange heat between the air flow external to the vehicle interior and the heat transfer fluid.

Secondary loop air conditioning and heat pump systems include a reservoir with a capsule holding a phase change material.

A compact heat exchanger unit within an air conditioning apparatus for a vehicle, and a condenser region for the condensation of refrigerant is formed as a heat exchanging surface, and a high-pressure-refrigerant collector region as a refrigerant collector is formed in the integrated form as a plate packet of a heat exchanger within a plate heat exchanger.

A thermal architecture of an electric vehicle includes a drivetrain system having a drivetrain, a cabin air system for providing conditioned air to an occupant compartment, a battery system having cooling components, and a refrigeration system for providing cooling to the cabin air system and the battery system. Control circuitry is configured to manage cooling or heating of components of the thermal architecture. For example, the control circuitry selects from among a mode for cooling a battery system and another mode for heating the battery system. In the heating mode, the control circuitry causes heat to be generated by the drive system, which may include one or more electric motors, and transferred to the battery system. The control circuitry receives a plurality of sensor signals from a sensor interface, generates one or more control signals, and cause valves and other components to achieve one or more cooling modes.

A thermal management system includes an interior air conditioner including a housing provided with a cooling duct, a heating duct, an inside air inlet, an outside air inlet, and an internal outlet, and an external outlet, wherein the internal outlet of the housing is connected to an inside the vehicle and the external outlet is connected to an outside of a vehicle, an evaporation core is provided in the cooling duct of the housing, a condensing core is provided in the heating duct of the housing, air conditioning of the inside the vehicle is performed through the evaporation core and the condensing core. The evaporation core and the condensing core are connected to a refrigerant line provided with a compressor and an expansion valve and connected to multiple electronic components of the vehicle through a coolant.

A compressor apparatus for a vehicle is configured to compress and then heat refrigerant used in a heat pump system. A compression portion compresses refrigerant. A heating portion is provided integrally with the compression portion. An internal space in which the refrigerant discharged from the compression portion flows is defined in the heating portion. The heating portion heats and discharges the refrigerant flowing in the internal space.

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, an accumulator, a first expansion valve, and a first three-way 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 accumulator is positioned immediately upstream of the compressor. The accumulator includes an inlet and an outlet. The first expansion valve is positioned upstream of the accumulator. The first expansion valve includes an inlet and an outlet. The first three-way valve is positioned immediately downstream of the first expansion valve and immediately upstream of the accumulator.