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 reservoir tank assembly may include a housing in which a degassing chamber configured to store coolant is formed, an inlet piping formed in the housing and into which coolant flows, an outlet piping formed in the housing and through which coolant is discharged, and a connection duct fluidly connecting the inlet piping and the outlet piping. The connection duct is disposed through the degassing chamber. Some coolant flowing through the inlet piping flows into the connection duct after passing through the degassing chamber, and remaining coolant is discharged outside of the housing without passing through the degassing chamber.

Abstract: A heat pump system for a vehicle may include: a compressor configured to compress a refrigerant; and a heat, ventilation, and air condition (HVAC) module including an internal condenser, an evaporator connected to the compressor via a refrigerant line, and an opening/closing door configured to adjust air having passed through the evaporator to be selectively introduced into the internal condenser depending on a cooling mode or a heating mode of the vehicle. The heat pump system may also include: a heat-exchanger connected to the internal condenser via the refrigerant line; a first expansion valve provided in the refrigerant line between the heat-exchanger and the evaporator; a first connection line; a chiller provided in the first connection line so as to adjust the temperature of a coolant by exchanging heat between the refrigerant and the coolant introduced selectively; and a sub-heat-exchanger provided in the refrigerant line.

Abstract: An accumulator includes a body having an upper body and a lower body. The upper body and lower body are coupled with each other to have a chamber in the body. The accumulator includes: a refrigerant inlet port disposed on the upper body and allowing a mixed refrigerant of a liquid refrigerant and a gaseous refrigerant to flow into the chamber; a refrigerant outlet port disposed on the upper body and allowing the gaseous refrigerant separated from the liquid refrigerant to flow out; and a baffle assembly having a vertical baffle being vertically disposed in the chamber to impede a horizontal flow of the liquid refrigerant, a suction pipe guiding the gaseous refrigerant separated from the liquid refrigerant to the refrigerant outlet port, and a horizontal baffle being horizontally disposed in the chamber to impede a vertical flow of the liquid refrigerant.

Abstract: A vehicular thermal management module includes a low-temperature-side manifold having a low-temperature refrigerant passage, a high-temperature-side manifold having a high-temperature refrigerant passage, and facing the low-temperature-side manifold, a compressor disposed between the low-temperature-side manifold and the high-temperature-side manifold, and an accumulator connected to an inlet of the compressor through a refrigerant line.

Abstract: A cooling apparatus may include an electric water pump to pump coolant, a coolant channel in fluid communication with a cooling target and the electric water pump, and a thermoelectric device including a higher-temperature part and a lower-temperature part. The thermoelectric device may cool the coolant flowing into the coolant channel. The cooling apparatus may include a first heat sink disposed adjacent to the higher-temperature part, a second heat sink disposed adjacent to the coolant channel, and a cooling fan provided adjacent to the first heat sink. The cooling apparatus may include an air duct forming a first fluid line where air passes through only the first heat sink and is then discharged by operation of the cooling fan and forming a second fluid line where air passes through the first heat sink and the second heat sink and is then discharged by the operation of the cooling fan.

Abstract: A refrigerant module for a vehicle includes: a heat exchanger for exchanging heat between a refrigerant introduced therein and a working fluid; a valve manifold connected to the heat exchanger and having a refrigerant flow path formed inside to supply the refrigerant to the heat exchanger or to bypass the refrigerant; and a plurality of valve assemblies mounted on the valve manifold to control a flow of the refrigerant flowing in the refrigerant flow path.

Abstract: An embodiment heat pump system includes a valve module for controlling a flow of a coolant, a first line connected to the valve module, an electrical component on the first line, a second line connected to the first line and the valve module, a radiator on the second line, a third line connected to the valve module, wherein the battery module is on the third line, a fourth line connected to the valve module and the third line, a fifth line connected to the valve module, a chiller on the fifth line, a sixth line connected to the first line, and a seventh line connected to the third line, wherein an end of the sixth line and an end of the seventh line are respectively connected to the chiller such that the sixth line and the seventh line may be connected to the fifth line through the chiller.

Abstract: A heat pump system for a vehicle is configured by including a valve, a first cooling apparatus, a second cooling apparatus, and a flow control line, to be configured for adjusting a temperature of a battery module by use of a single chiller where a refrigerant and a coolant are heat-exchanged, selectively recollecting waste heat of the electrical component and the battery module and using the same for heating of the vehicle interior, and forming a plurality of coolant flowing lines by a single valve according to selected mode of the vehicle.

Abstract: An embodiment heat pump system of a vehicle includes a valve controlling a flow of a coolant, a first line having ends connected to the valve, a radiator and an electrical component on the first line, a second line having ends connected to the valve, a battery module on the second line, a first connection line including a first end connected to the valve, a chiller on the first connection line, a second connection line including ends connected to the second and first connection lines, and a third connection line including a first end connected to a second end of the first connection line and a second end connected to the first line between the radiator and the electrical component, wherein the valve operates such that the first, second, or first connection line is connected to another line or to itself depending on the selected mode.

Abstract: An embodiment heat pump system for a vehicle includes a valve module for controlling a flow of a coolant according to a selected mode for temperature adjustment of a vehicle interior and temperature adjustment of a battery module, a first line connected to the valve module, an electrical component on the first line, a second line connected to the first line and the valve module, a radiator on the second line, a third line connected to the valve module, wherein the battery module is on the third line, a fourth line connected to the valve module and the third line, a fifth line connected to the valve module, a chiller on the fifth line, a sixth line connected to the first line and the fifth line, and a seventh line connected to the third line and the fifth line.

Abstract: An embodiment heat pump system of a vehicle includes a first cooling device including a battery module and a first line for circulating a coolant, an air conditioner unit including a compressor, an internal condenser, a main heat exchanger, a first expansion valve, and an evaporator that are interconnected through a refrigerant line for circulating a refrigerant, and a chiller connected to the first cooling device through the first line, connected to the refrigerant line through a first connection line, and configured to adjust a coolant temperature through heat-exchanging a selectively introduced coolant with the refrigerant. The air conditioner unit further includes a second expansion valve, a first valve, a second valve, a second connection line, a third connection line, and a fourth connection line.

Abstract: A mass damper for a refrigerant pipe is configured to insulate vibration and noise of the refrigerant pipe for the flow of a refrigerant circulating in a vehicle air conditioner system and a mass damper for a vehicle air conditioner system is configured to prevent an external circumferential surface of a casing from cracking due to thermal deformation.

Abstract: A water-cooling type battery cooling system and a cooling method using the same are provided. The water-cooling type battery cooling system cools a battery using an air conditioner system. The air conditioner system includes a refrigerant circuit to improve control of cooling discharge temperature provided therein.

Abstract: A reservoir tank includes a tank portion having a cover coupled to an upper portion thereof, and having coolants with different temperatures supplied thereto, a heat exchange reduction portion partitioning an internal space of the tank portion into a first accommodation space and a second accommodation space, and having the first accommodation space and the second accommodation space formed to be spaced from each other, and a discharge portion formed in the heat exchange reduction portion and formed to allow coolant flowing into the heat exchange reduction portion to be discharged back to the first accommodation space and the second accommodation space, respectively.

Abstract: A mass damper for a refrigerant pipe is configured to insulate vibration and noise of the refrigerant pipe for the flow of a refrigerant circulating in a vehicle air conditioner system and a mass damper for a vehicle air conditioner system is configured to prevent an external circumferential surface of a casing from cracking due to thermal deformation.

Abstract: A reservoir tank includes a tank portion having a cover coupled to an upper portion thereof, and having coolants with different temperatures supplied thereto, a heat exchange reduction portion partitioning an internal space of the tank portion into a first accommodation space and a second accommodation space, and having the first accommodation space and the second accommodation space formed to be spaced from each other, and a discharge portion formed in the heat exchange reduction portion and formed to allow coolant flowing into the heat exchange reduction portion to be discharged back to the first accommodation space and the second accommodation space, respectively.

Abstract: A water-cooling type battery cooling system and a cooling method using the same are provided. The water-cooling type battery cooling system cools a battery using an air conditioner system.

Abstract: An engine coolant separator may include a housing having an inlet and an outlet; and a guide member fixedly mounted inside the housing, and having a spiral channel inducing a spiral flow of an engine coolant, wherein the spiral channel communicates with the inlet of the housing.

Abstract: A water-cooling type battery cooling system and a cooling method using the same are provided. The water-cooling type battery cooling system cools a battery using an air conditioner system. The air conditioner system includes a refrigerant circuit to improve control of cooling discharge temperature provided therein.