In order to provide climate control system for heating or cooling a space, in particular a vehicle interior, having a compressor for conveying a refrigerant, which can efficiently use the refrigerant CO.sub.2 for heat pump applications as well, it is proposed to arrange a high-pressure chiller for cooling the refrigerant downstream of the compressor and a low-pressure chiller for heating the refrigerant upstream of the compressor, wherein a refrigerant exiting from the high-pressure chiller can be supplied to a motive mass inlet of a first ejector and a refrigerant exiting from the low-pressure chiller can be supplied to a suction mass inlet of the first ejector, and wherein an outlet of the first ejector is connected directly or indirectly to a liquid separator.

Air conditioning units each include an evaporator, a blower fan, a compressor that compresses a coolant, a condenser that causes heat exchange between the coolant and outside air, a coolant pipe that causes the coolant to circulate, and a spray nozzle that sprays water in a mist form to the outside air flowing to the condenser. The evaporator and the blower fan are provided in a ceiling portion of the vehicle, and the condenser and the spray nozzle are provided in a lower portion of the vehicle.

A thermal management system for a vehicle is provided and includes: a cooling apparatus including a radiator, a first water pump, and a first valve that are connected by a coolant line and recirculating a coolant in the coolant line so as to cool at least one electrical component provided on the coolant line, a first connection line selectively connected to the coolant line through the first valve, a second connection line selectively connected to the first connection line through the second valve, and a heater provided on the second connection line, wherein the first connection line is provided with a condenser included in an air conditioner device, and the heater is provided inside an HVAC module included in the air conditioner device.

An integrated thermal management system for a vehicle may make refrigerant-related components compact by modularizing the refrigerant-related components. A refrigerant module of an integrated thermal management system for a vehicle according to an exemplary embodiment includes: a compressor having a first inlet port through which the refrigerant is introduced, and a first outlet port through which the compressed refrigerant is discharged; a condenser having a second inlet port through which the refrigerant discharged from the compressor is introduced, and a second outlet port through which the refrigerant, which has performed heat exchange, is discharged; an expansion valve having a third inlet port through which the refrigerant discharged from the condenser is introduced, and a third outlet port through which the expanded refrigerant is discharged; an evaporator having a fourth inlet port through which the refrigerant discharged from the expansion valve is introduced, and a fourth outlet port through which the refrigerant, which has performed heat exchange, is discharged; an accumulator having a fifth inlet port through which the refrigerant discharged from the evaporator is introduced, and fifth outlet port through which the refrigerant, which has separated into a liquid refrigerant and a gaseous refrigerant, is discharged; and a connection body configured to integrally connect the compressor, the condenser, the evaporator, and the accumulator and having a flow path through which the refrigerant discharged from the accumulator flows to the compressor.

A gas-liquid separation device for a vehicle according to an embodiment of the present disclosure includes: a housing with an upper surface that is opened and a lower surface that is closed; a cover mounted on the opened upper surface to close and seal the interior of the housing, and including an outlet and an inlet, and a mount hole; an exhaust pipe mounted on the cover; a guide pipe with an upper surface that is opened so that the exhaust pipe is inserted inside, and forms a gas refrigerant flow space between the exterior circumference and the interior circumference of the exhaust pipe; a mount cap mounted inside the closed lower end of the housing; a refrigerant guider to prevent the liquid refrigerant of the refrigerant inflowed into the inlet from flowing into the gas refrigerant flow space, and fixed to the exhaust pipe; and a receiver dryer.

A gas injection-type heat-management system includes a base flow path sequentially provided with a compressor, an inner condenser, a heat exchanger, a first expansion valve, an outer condenser, a second expansion valve, and an evaporator, a heat exchange flow path branched from the base flow path at an upstream point of the heat exchanger, disposed to be heat-exchangeable with the base flow path in the heat exchanger by passing through a third expansion valve, and joined to the base flow path on the compressor or at an upstream point thereof, a first bypass flow path connected to the base flow path, a second bypass flow path connected to the base flow path, and a recirculation flow path branched from the base flow path at a downstream point of the outer condenser and joined to the heat exchange flow path at an upstream point of the third expansion valve.

This application relates to an electric vehicle, a thermal management system, and a method for controlling same. The thermal management system includes: a passenger compartment thermal management subsystem, including a compressor, a first throttle, and an evaporator configured to refrigerate the passenger compartment, where the compressor, the first throttle, and the evaporator are controlled to communicate with each other in sequence to form a first refrigerant circuit, the passenger compartment thermal management subsystem further includes a condenser, and the condenser is disposed between the compressor and the first throttle and able to exchange heat with the first refrigerant circuit; a heat emitting component thermal management subsystem, including a heat emitting component and a cooling water tank configured to cool the heat emitting component, and a control valve system, connected to the passenger compartment thermal management subsystem and the heat emitting component thermal management subsystem.

A thermal management system for a vehicle includes a base circuit in which a compressor, a condenser, an expansion valve, and an evaporator are provided in order and in which a refrigerant is circulated, a recirculation circuit branched from a discharge portion of the compressor in the base circuit and joined to an inlet portion of the compressor so that the refrigerant discharged from the compressor is recirculated to an inlet of the compressor, and an adjusting valve positioned at the discharge portion where the recirculation circuit is branched from the base circuit or positioned at the inlet portion where the recirculation circuit is joined to the base circuit, the adjusting valve configured to adjust a flow rate of the refrigerant that flows to the recirculation circuit.

A vehicle fire suppression system capable of quickly extinguishing an initial fire in the event of a vehicle fire by circulating or ejecting an extinguishing fluid through a refrigerant line of a vehicle cooling system, and a control method thereof are provided. The vehicle fire suppression system comprises a vehicle cooling device having a refrigerant line circulating around a compressor, a condenser, an expansion valve, an evaporator, and a gas-liquid separator; an extinguishing fluid container in which an extinguishing fluid is stored; a multi-way valve provided upstream of the compressor on the refrigerant line to control a refrigerant introduced into the compressor, and connected to the extinguishing fluid container to regulate the extinguishing fluid supplied to the compressor; and a controller configured to control the multi-way valve to implement a cooling operation or an extinguishing operation of the cooling device.

A battery cooling system includes a cooling water circulation circuit for circulating cooling water for cooling the battery, a first heat exchanger for exchanging heat between air and cooling water, a second heat exchanger for exchanging heat between the low-pressure refrigerant of the refrigeration cycle circuit and cooling water, and an ion exchanger for removing impurity ions contained in the cooling water. The first heat exchanger and the second heat exchanger are arranged in series in the cooling water circulation circuit. The ion exchanger is disposed on the downstream side of the second heat exchanger in the cooling water circulation circuit.