A transport climate control system to cost-effectively maintain an ultra-low temperature over an extended period of time is provided. The transport climate control system includes a primary climate control system and a secondary climate control system. The primary climate control system includes a first compressor, a first condenser, a first expander, and a main evaporator that is configured to thermally communicate with a climate controlled space. The secondary climate control system includes an ultra-low temperature phase changing medium packaged inside or outside of an enclosure for a cargo. The secondary climate control system is configured to thermally communicate with the climate controlled space, the primary climate control system, and the cargo to provide additional or backup climate control capacity at the ultra-low temperature.

An air conditioning device for an electric vehicle includes: a housing having an air conditioning passage connecting an air inlet port to an air discharge port; an evaporator, an air heater, and an electric heater, which are positioned in series in the air conditioning passage in the housing; and a bypass door positioned after the evaporator in the air conditioning passage in the housing and configured to selectively allow some of air passing through the evaporator to bypass the air heater and the electric heater to the air discharge port.

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 HVAC system including an evaporator, a condenser, an expansion valve, and a compressor. An HVAC case includes a first heat exchanger having a first height, a second heat exchanger having a second height that is greater than the first height, and an air mix door movable to direct airflow from the second heat exchanger to the first heat exchanger or around the first heat exchanger. In a maximum hot mode, a valve system directs the coolant through the condenser, the first heat exchanger, and the second heat exchanger, and the air mix door directs airflow from the second heat exchanger to the first heat exchanger. In a maximum cold mode, the valve system directs the coolant through the evaporator, the first heat exchanger, and the second heat exchanger.

An outdoor heat exchanger is installed in a refrigerant circuit and has a heat exchange core portion providing refrigerant flow paths different in a cooling operation and a heating operation. A flow path switching device switches the flow path of the refrigerant in the heat exchange core portion of the outdoor heat exchanger between a cooling mode flow path during the cooling operation and a heating mode flow path during the heating operation. The refrigerant flows down in one direction in the heating mode flow path. The refrigerant flows in one direction and then flows down in an opposite direction in the cooling mode flow path.

A cooling system control method for an autonomous driving controller may include detecting the temperature of the autonomous driving controller by the controller when a vehicle is driving; determining whether a current temperature of the autonomous driving controller is lower than a target temperature by the controller; and terminating the controlling of the cooling system if the condition is satisfied in determining whether the current temperature of the autonomous driving controller is lower than the target temperature.

The present invention relates to an air conditioning apparatus for a vehicle and, more specifically, to an air conditioning apparatus for a heat pump system, wherein while blown air passes through a first area and a second area which are partitioned from each other by a first separation wall, air passing through the first area is cooled or heated and then supplied to the inside of a vehicle, and air passing through the second area is discharged to the outside, so that the air conditioning apparatus can be miniaturized and can easily cool or heat the inside of the vehicle.

An object of the present invention is to provide a vehicle air conditioning device that can solve the decrease of a circulation refrigerant quantity while effectively using the heat of a temperature control object in heating a cabin. The heating operation of a vehicle air conditioning device (1) includes an external air heat absorption heating mode for heating a cabin in a manner that a refrigerant discharged from a compressor (2) radiates heat in a radiator (4), the refrigerant is decompressed, and then the refrigerant absorbs heat in an outdoor heat exchanger (7), and a temperature control object heat absorption heating mode for heating the cabin in a manner that the refrigerant absorbs heat in a refrigerant-heat medium heat exchanger (64), and these modes are performed while being switched. The heating operation is started in the external air heat absorption heating mode.

An air conditioning system for a vehicle may include a refrigerant line through which a refrigerant circulates and an evaporator and a condenser are connected to each other; and a first core and a second core for indoor air conditioning, wherein the first core includes a first inlet and a first outlet through which a coolant passing through the evaporator is introduced and discharged, respectively, the second core includes a second inlet and a second outlet through which a coolant passing through the condenser is introduced and discharged, respectively, and the first core and the second core are connected to each other through a connection line, and the connection line is provided with a first valve selectively connecting the first core and the second core through the connection line.

A transport refrigeration unit (TRU) direct current (DC) architecture includes a communications bus (41), a DC power bus (42), first and second voltage control units (VCUs 43,44) respectively comprising a DC/DC converter (430) coupled to the DC power bus and a local controller (431,441) coupled to the communications bus and to the DC/DC converter, an energy storage unit (45) and a DC powered load. The energy storage unit is configured to provide to the DC power bus (42) a quantity of DC power via the DC/DC converter (430) of the first VCU in accordance with control exerted thereon by the local controller (431) of the first VCU and a DC powered load. The DC powered load is configured to receive from the DC power bus a quantity of DC power via the DC/DC converter of the second VCU in accordance with control exerted thereon by the local controller of the second VCU.