Abstract: A heat pump system for a vehicle includes a condenser, a heat-exchanger, an expansion valve, an evaporator, and a gas injection device and is capable of improving the cooling and heating performance. The gas injection device includes a gas-liquid separator, a first valve module, and a second valve module and is configured to selectively operate in a selected air conditioning mode of a vehicle interior.

Abstract: A heat pump system for a vehicle includes an electrical component cooling apparatus and an air conditioner unit absorbing at least one of ambient air heat, a waste heat of electrical components, or the heat supplied from a heat storage device. The heat pump system is configured to efficiently heat the vehicle interior by using the high-temperature coolant.

Abstract: An apparatus for cooling a fuel cell stack includes: a first refrigerant line through which a working fluid flows; a fuel cell stack provided in the first refrigerant line; a condenser provided in the first refrigerant line and disposed at a downstream side of the fuel cell stack; a pressure control valve provided in the first refrigerant line and disposed at a downstream side of the condenser; and a fluid pump provided in the first refrigerant line and disposed at a downstream side of the pressure control valve.

Abstract: A heat pump system for a vehicle may increase the temperature of the coolant by selectively using the heat supplied from air conditioner unit where the refrigerant circulates, or the heat supplied from a heat storage device, and thus may efficiently heat the vehicle interior by using the coolant whose temperature is increased.

Abstract: A heat pump system for a vehicle may efficiently adjust a temperature of a battery module by using a chiller where a refrigerant and a coolant exchange heat. Additionally, the heat pump system for a vehicle may efficiently recollect ambient air heat and waste heat of electrical components to be used for heating the vehicle interior.

Abstract: A heat pump system for a vehicle may include a compressor, a first condenser, a receiver dryer, a second condenser, a first expansion valve, an evaporator, a first refrigerant connection line, a chiller, a second expansion valve, and a gas injection device. The flow of the refrigerant is controlled based on at least one mode for a temperature adjustment of a vehicle interior or for a temperature adjustment of a battery module. As a result, the heat pump system is capable of cooling or heating a vehicle interior by using a high-temperature coolant and a low-temperature coolant. Additionally, the heat pump system is capable of improving a heating performance by employing a gas injection device selectively operating at the time of cooling or heating a vehicle interior to increase the flow amount of the refrigerant.

Abstract: A cabin cooling/heating system for a vehicle includes: a heat pump system configured to generate a cold refrigerant and a hot refrigerant; an air conditioning device configured to receive the cold or hot refrigerant from the heat pump system, generate cold or warm air by using the cold or hot refrigerant, and blow the cold or warm air to a front cabin of the vehicle; a floor heat exchanger configured to receive the cold or hot refrigerant from the air conditioning device and cool or heat a cabin floor of a rear cabin of the vehicle by circulating the cold or hot refrigerant; and a line switching valve module configured to send the cold or hot refrigerant to the floor heat exchanger or send the cold or hot refrigerant to the heat pump system.

Abstract: A cabin cooling/heating system for a vehicle includes: a heat pump system to provide cold or hot water by circulating a refrigerant; an air conditioning device fluidly connected to the heat pump system, configured to receive the cold or hot water from the heat pump system, provide cold or warm air by exchanging heat between inside or outside air of the vehicle and the cold or hot water, and blow the cold air or the warm air to the front cabin; a floor heat exchanger to receive the cold or hot water from the air conditioning device, and configured to cool or heat a cabin floor by circulating the cold or hot water through the cabin floor; and a line switching valve module configured to send the cold or hot water to the floor heat exchanger or return the cold or hot water back to the heat pump system.

Abstract: A heat pump system for a vehicle may include: a compressor; a heating, ventilation, and air-conditioning (HVAC) module; a heat-exchanger; a first expansion valve; a gas injection device; a first valve; a first connection line; and a second connection line. Flow of the refrigerant may be controlled depending on at least one mode for a temperature adjustment of a vehicle interior. As a result, the heat pump system may be capable of improving the cooling and heating performance by increasing the flow amount of the refrigerant by employing a gas injection device configured to selectively operate in at least one mode selected for air conditioning of a vehicle interior.

Abstract: A heat pump system for a vehicle may include: a compressor, a heating, ventilation, and air conditioning (HVAC) module, a heat-exchanger, a first expansion valve, a connection line, and a chiller. The heat pump system may improve heating performance for heating a vehicle interior by employing a gas injection device selectively operating at the time of heating a vehicle interior to increase the flow amount of refrigerant.

Abstract: A heat pump system for a vehicle is provided to improve cooling and heating performance by applying a gas injection device selectively operating during air conditioning of a vehicle interior by increasing a flow rate of the refrigerant circulating in a refrigerant line of the heat pump system. The heat pump system for a vehicle may include: a compressor, a first condenser, a receiver dryer, a second condenser, an evaporator, a gas injection device, a refrigerant connection line, and a chiller. The flow of the refrigerant is controlled according to at least one mode for adjusting a temperature of a vehicle interior or adjusting a temperature of a battery module.

Abstract: A structure for increasing durability of an ion filter, which includes a reservoir configured to store cooling water discharged from a fuel cell stack, an ion filter configured to remove ions from the cooling water discharged from the fuel cell stack, a flow rate adjustment valve disposed between the ion filter and the fuel cell stack, a first pipe which flows the cooling water from the ion filter to the reservoir, and a second pipe that is a passage through which air or the cooling water is moved between the reservoir and the ion filter according to a change in level of the cooling water inside the ion filter.

Abstract: A heat pump system for a vehicle is provided to efficiently perform heating of a vehicle interior in a state in which the external temperature is low and heat generated by a heating element is not sufficient in an early stage of driving the vehicle. The heat pump system may include: a compressor; a heat, ventilation, and air condition (HVAC) module; a heat-exchanger; a first expansion valve; an accumulator; a first connection line; a chiller; and a second expansion valve.

Abstract: A heat pump system for a vehicle cools or heats the vehicle interior by using a natural refrigerant, and efficiently adjusts the temperature of a battery module by using a single chiller that exchanges heat between refrigerant and coolant.

Abstract: A heat pump system for a vehicle is configured to perform cooling or heating of the vehicle interior by using a natural refrigerant, and efficiently adjust the temperature of the battery module by using a single chiller that heat-exchanges refrigerant and coolant.

Abstract: A heat pump system for a vehicle may be capable of performing cooling or heating of a vehicle interior by using natural refrigerant, and efficiently adjusting the temperature of a battery module by using a single chiller where refrigerant and coolant heat-exchanges to respond to environmental regulations.

Abstract: A heat pump system for a vehicle cools or heats the vehicle interior by using a natural refrigerant, and efficiently adjusts the temperature of a battery module by using a single chiller that exchanges heat between refrigerant and coolant.

Abstract: An embodiment is a heat pump system for a vehicle, including a first cooling device including a first radiator, a first water pump, and a first valve connected by a first coolant line, a second cooling device including a second radiator and a second water pump connected by a second coolant line, a third cooling device including a third coolant line connected to the second cooling device through a first valve, a third water pump provided on the third coolant line, and a battery module and, a chiller provided on the third coolant line, and a gas injection device configured to selectively expand a refrigerant supplied from an internal condenser included in an air conditioner and supply the expanded refrigerant to a heat exchanger of the air conditioner, and selectively supply a portion of the refrigerant to a compressor.

Abstract: A mobile apparatus includes a mobile portion, a cabin housing that is mounted to the mobile portion and defines a first space and a second space, and an air-conditioning apparatus installed in the second space and configured to cool or heat the first space, where a compressor, a condenser, an expansion device, and an evaporator are modularized in the air-conditioning apparatus.

Abstract: A refrigerant circulating apparatus of a vehicle includes a compressor configured to compress a refrigerant, at least one heat-exchanger configured to exchange with the refrigerant, at least one valve configured to selectively provide the refrigerant to the at least one heat-exchanger, a bracket that supports the compressor, and a fluid line plate that is coupled to the bracket and disposed adjacent to the at least one heat-exchanger and the at least one valve. The fluid line plate includes a plurality of fluid lines defined inside the fluid line plate and configured to provide the refrigerant to the at least one heat-exchanger based on operation of the at least one valve.