A vehicular heat management system for individually cooling and heating a plurality of air conditioning regions of a vehicle includes a plurality of refrigerant circulation lines configured to cool and heat the air conditioning regions individually shared by the refrigerant circulation lines. The refrigerant circulation lines are provided with one or more air conditioning units for individually cooling and heating the respective air conditioning regions, and are configured to supply a refrigerant to the corresponding air conditioning units to individually cool and heat the air conditioning regions corresponding to the air conditioning units.

A vehicular heat management system is provided with a heat pump type refrigerant circulation line that cools and heats specific air conditioning regions by generating a hot air or a cold air depending on a flow direction of a refrigerant. The system includes a compressor configured to suck, compress and discharge the refrigerant, a high-pressure side heat exchanger configured to dissipate heat of the refrigerant discharged from the compressor, an outdoor heat exchanger configured to allow the refrigerant to exchange heat with an air outside the vehicle, an expansion valve configured to depressurize the refrigerant flowing out of the high-pressure side heat exchanger or the outdoor heat exchanger, and one or more low-pressure side heat exchangers configured to evaporate the depressurized refrigerant. The outdoor heat exchanger and the low-pressure side heat exchangers are connected in series or in parallel depending on an air conditioning mode.

A thermal management system includes a refrigerant loop system that includes a compressor, a refrigerant four-way reversing valve, a plate heat exchanger, a throttle valve, another plate heat exchanger, and a gas-liquid separator, to form a refrigerant loop, and a motor liquid cooling loop system includes a motor liquid cooling loop that circulates coolant through a motor, and a pipe in the motor liquid cooling loop is connected to a liquid cooling channel in the plate heat exchanger to exchange heat with the refrigerant loop system using the plate heat exchanger.

An integrated thermal management system for a vehicle, may include: a refrigerant line; a first coolant line for circulating coolant and connecting a first radiator, the high-temperature core, a heating core of an internal air conditioner, and a high-voltage battery with each other in parallel; a second coolant line for circulating coolant and connecting a second radiator, an electronic driving part, the low-temperature core, and a cooling core of the internal air conditioner with each other in parallel; and a third coolant line for circulating coolant and connecting a third radiator and the high-voltage battery to the second coolant line in parallel.

The invention relates to an air-conditioning device for a motor vehicle, comprising a refrigerant circuit (100) including a compressor (34), an indoor heat-exchanger (WÜ) arrangement connected to the outlet of the compressor and comprising a first and a second air/refrigerant-heat exchanger segment (21, 22), a first expansion valve (Exp. valve) (41) arranged therebetween, a second expansion valve (42), and a coupling heat exchanger (23) thermally connected to a heat source or sink, the outlet of which is connected to the inlet of the compressor (34), where the first and the second refrigerant line sections (I/II) are interconnected by means of a fourth refrigerant line section (IV), the inlet of the second air/refrigerant-heat exchanger segment (22) and the outlet of the coupling heat exchanger are interconnected by means of a fifth refrigerant line section (V) which contains a third expansion valve (43), and the outlet of the first air/refrigerant-heat exchanger segment (21) and the inlet of the compressor (34) are interconnected by means of a sixth refrigerant line section (VI).

A thermal management system includes a refrigerant system and a coolant system. The refrigerant system includes a compressor, an indoor heat exchanger, a first flow regulating device, a first heat exchanger and an outdoor heat exchanger. The outdoor heat exchanger includes a first port and a second port. The first flow regulating device has a bi-directional throttling function. The first heat exchanger includes a first heat exchange section and a second heat exchange section. The thermal management system has a heating mode and a cooling mode which can be achieved by the same first flow regulating device. A control method of the thermal management system is also disclosed.

A double 6-way valve for a vehicle cooling system provides various modes, reduces the number of parts of the cooling system, and improves packaging, compared to a conventional cooling system. The double 6-way valve includes: an upper housing including a plurality of upper nipples disposed at equal intervals on an outer circumference surface thereof; a lower housing stacked under the upper housing and including a plurality of lower nipples disposed at equal intervals on an outer circumference surface thereof; an upper hub rotatably mounted within the upper housing; a lower hub rotatably mounted within the lower housing and stacked under the upper hub; and a driving apparatus to rotate the upper hub and the lower hub.

A heat pump system for air conditioning a vehicle, in particular an electric or hybrid vehicle, includes an air conditioning unit which has an air conditioning evaporator and a heating heat exchanger, for air conditioning a passenger compartment of the vehicle. A condenser transmits heat from a refrigeration circuit into a coolant circuit, and a chiller transmits heat from the coolant circuit into the refrigeration circuit. The coolant circuit has two branches which are parallel to one another downstream of a low temperature cooler, namely a heating branch which can be shut off and in which the condenser and the heating heat exchanger are arranged, and a cooling branch, in which the chiller and a low temperature heat exchanger for cooling a vehicle component are arranged. The low temperature cooler, the condenser and the heating heat exchanger are connected in series with respect to one another. The heat pump system has a plurality of operating modes.

A secondary loop HVAC system including an evaporator, a condenser, an expansion valve, and a compressor. A refrigerant loop is in fluid communication with each of the evaporator, the condenser, and the expansion valve. An HVAC case includes a first heat exchanger and a second heat exchanger. A first coolant loop is in fluid communication with the first heat exchanger, the second heat exchanger, and either the evaporator or the condenser. A valve system is configured to control flow of the coolant through the first coolant loop. In a maximum hot heating mode, the valve system is configured to direct the coolant through the condenser, the first heat exchanger, and the second heat exchanger. In a maximum cold cooling mode, the valve system is configured to direct the coolant through the evaporator, the first heat exchanger, and the second heat exchanger.

A heat pump system for a motor vehicle comprises at least two heat exchangers 10, 12, through which, for heating and/or cooling the motor vehicle interior, a flow is conducted, and at least two coolant circulations 14, 16 separable from one another, of which at least one is connectable, independently of the other coolant circulation, with one, two or more heat exchangers 10, 12 such that through these, in the presence of a connection with two or more heat exchangers 10, 12, a flow is successively conducted and the other coolant circulation is connectable with at least one heat exchanger 10, 12.