Abstract: A battery cooling system may include a first cooling device including a first radiator and a first water pump connected through a first coolant line and circulating a coolant in the first coolant line to cool at least one electrical component and at least one motor; a second cooling device including a second radiator and a second water pump connected through a second coolant line and circulating the coolant in the second coolant line; a battery module mounted on a battery coolant line selectively connectable to the second coolant line through a valve; and a chiller mounted on the battery coolant line and through which the coolant passes, connected to a refrigerant line of an air conditioning device through a refrigerant connection line, and making the coolant which selectively flows exchange heat with a refrigerant supplied from the air conditioning device to control a temperature of the coolant.

Abstract: A cooling module for a vehicle includes: a high temperature radiator including first and second header tanks into which a coolant flows and from which it is exhausted, and a plurality of tubes and heat radiating fins respectively interconnecting the first and second header tanks; a low temperature radiator including third and fourth header tanks into which a coolant flows and from which it is exhausted, and a plurality of tubes and heat radiating fins respectively interconnecting the third and fourth header tanks; and a condenser disposed at a side surface of the high temperature and low temperature radiators corresponding to the second and fourth header tanks to be respectively connected to the second and fourth header tanks and condensing a refrigerant flowing therein through heat exchange with a coolant supplied from the second and fourth header tanks.

Abstract: A vehicle heat exchanger is disclosed that includes a heat exchange unit having first and second plates layered to alternately form a first and second flow path. Operation fluids passing through the paths exchange heat. A first inflow aperture is formed on a second surface of the unit and connected to the first flow path. A first exhaust aperture is formed corresponding to the first inflow aperture on the first surface of the unit and connected to the first flow path. A connection aperture is formed in the plates, connected to the first flow path, and closing a connection to the second flow path. A second inflow aperture is formed corresponding to the first inflow aperture and connected to the second flow path. A second exhaust aperture is formed at a center of the unit and connected to the second inflow aperture through the second flow path.

Abstract: A pressure cap for a cooling system of a vehicle may include a reservoir fill port which is mounted at an upper portion of a reservoir in which cooling water is stored in a cooling system of the vehicle; an external cap for closing an upper end portion of the reservoir fill port; a pressure valve disposed in the reservoir fill port to allow the inside and the outside of the reservoir fill portion to fluidically-communicate with each other; a valve seal provided to allow the air to flow from the outside into the internal to the cooling system by being deformed when pressure in the internal to the cooling system is lower than a predetermined pressure; and a positive pressure spring elastically supporting the pressure valve such that the pressure valve closes the internal to the reservoir fill port.

Abstract: A centralized energy module for a vehicle includes a base plate, a compressor mounted on the base plate, a first condenser mounted on the base plate at a location spaced part from the compressor and configured for condensing the refrigerant through heat-exchange with a first coolant supplied from a high temperature radiator while firstly passing the refrigerant supplied from the compressor, a second condenser connected with the first condenser and configured for condensing the refrigerant through heat-exchange with a second coolant supplied from a low temperature radiator while secondly passing the refrigerant supplied from the compressor, an expansion valve connected with the second condenser, and an evaporator mounted on the base plate, evaporating the refrigerant supplied from the expansion valve through heat-exchange with a third coolant which flows into the evaporator and supplying the evaporated refrigerant to the compressor.

Abstract: A cooling fan control method for a vehicle is provided. The method includes turning on a starting of the vehicle and sensing a stack temperature. A first required speed of first and second cooling fans required by the stack radiator is set and a temperature of an electrical equipment is sensed to set a second required speed of the first cooling fan. When an air conditioner is operated; an air conditioner pressure is sensed and a second required speed of the second cooling fan required by the condenser is set. The method then compares the required speeds as well as a resonance frequency RPM to determine different setting conditions of the fans. The operation of the fans is complete when the coolant temperature and an air conditioner pressure of the stack and the electrical equipment are within a predetermined setting value.

Abstract: A centralized energy (CE) module for a vehicle may include a base plate; a compressor mounted on the base plate and compressing a refrigerant; a condenser mounted on the base plate at a location distanced from the compressor and exchanges heat between the compressed refrigerant supplied from the compressor with cooling water which flows into the condenser to condense the refrigerant; and an evaporator mounted on the base plate at a location distanced from the condenser and evaporating the refrigerant supplied from an expansion valve, integrally mounted, through heat transfer with the cooling water which flows into the evaporator and supplies the evaporated refrigerant to the compressor.

Abstract: A method of controlling an air conditioning system for a vehicle is provided. The method includes detecting a cooling mode while the vehicle is being driven and comparing a vent discharge temperature of air with a cooling target temperature set by a user. When the vent discharge temperature is greater than the cooling target temperature the compressor RPM is determined and air is introduced into the vehicle without passing through the interior heat exchanger and the electric heater. When the vent discharge temperature is less than the cooling target temperature, the compressor RPM is determined and a door in the system is opened to guide the air through the interior heat exchanger to heat the air is heated and then the vent discharge temperature is compared with the cooling target temperature again, and the electric heater is operated.

Abstract: A method for controlling an air conditioner compressor includes: driving the air conditioner compressor for a first time at a first revolutions per minute (RPM) smaller than a minimum lubrication demand RPM when a lubrication demand RPM of the air conditioner compressor is smaller than the minimum lubrication demand RPM; and driving the air conditioner compressor for a second time at the minimum lubrication demand RPM when the lubrication demand RPM of the air conditioner compressor is smaller than the minimum lubrication demand RPM after the first time elapse.

Abstract: A centralized energy (CE) module for a vehicle includes: a base plate; a compressor mounted on the base plate and compressing refrigerant; a condenser mounted on the base plate at a location spaced apart from the compressor and heat-exchanges the compressed refrigerant supplied from the compressor with a coolant which flows into the condenser to condense the refrigerant; an evaporator mounted on the base plate at a location spaced apart from the condenser and evaporating the refrigerant supplied from an expansion valve integrally mounted through heat-exchange with the coolant which flows into the evaporator and supplying the evaporated refrigerant to the compressor; and an accumulator connected with the evaporator through the expansion valve, and supplied only a gas refrigerant among the evaporated refrigerants to the compressor while passing through the evaporator.

Abstract: A cooling fan control method for a vehicle is provided. The method includes turning on a starting of the vehicle and sensing a stack temperature. A first required speed of first and second cooling fans required by the stack radiator is set and a temperature of an electrical equipment is sensed to set a second required speed of the first cooling fan. When an air conditioner is operated; an air conditioner pressure is sensed and a second required speed of the second cooling fan required by the condenser is set. The method then compares the required speeds as well as a resonance frequency RPM to determine different setting conditions of the fans. The operation of the fans is complete when the coolant temperature and an air conditioner pressure of the stack and the electrical equipment are within a predetermined setting value.

Abstract: A vehicle heat exchanger is disclosed that includes a heat exchange unit having first and second plates layered to alternately form a first and second flow path. Operation fluids passing through the paths exchange heat. A first inflow aperture is formed on a second surface of the unit and connected to the first flow path. A first exhaust aperture is formed corresponding to the first inflow aperture on the first surface of the unit and connected to the first flow path. A connection aperture is formed in the plates, connected to the first flow path, and closing a connection to the second flow path. A second inflow aperture is formed corresponding to the first inflow aperture and connected to the second flow path. A second exhaust aperture is formed at a center of the unit and connected to the second inflow aperture through the second flow path.

Abstract: A method of controlling an air conditioning system for a vehicle enables a user to recognize whether economical heating is available, while a vehicle travels. The method includes: (A) when starting of the vehicle is in an on state, confirming a heating condition and a waste heat source state while the vehicle travels, and predicting power consumption of an electric heater; and (B) comparing a power consumption reference value of the electric heater with a power consumption prediction value of the electric heater, displaying that economical heating is available or unavailable on the display unit, determining whether to turn off the starting of the vehicle, and terminating a control.

Abstract: A method of controlling an air conditioning system for a vehicle is provided. The method includes setting a scheduled heating and performing charging of the battery and the scheduled heating. A desire target temperature (DTT) of a user is then received and a discharge temperature of air supplied into the vehicle is compared with the DTT to adjust revolutions per minute (RPM) of a compressor. When the RPM of the compressor is adjusted the RPM of the compressor is determined based on whether the discharge temperature is the same as the DTT, and whether to operate the electric heater is determined.

Abstract: A method of controlling an air conditioning system for a vehicle enables a user to recognize whether economical heating is available, while a vehicle travels. The method includes: (A) when starting of the vehicle is in an on state, confirming a heating condition and a waste heat source state while the vehicle travels, and predicting power consumption of an electric heater; and (B) comparing a power consumption reference value of the electric heater with a power consumption prediction value of the electric heater, displaying that economical heating is available or unavailable on the display unit, determining whether to turn off the starting of the vehicle, and terminating a control.

Abstract: A method of controlling an air conditioning system for a vehicle is provided. The method includes detecting a cooling mode while the vehicle is being driven and comparing a vent discharge temperature of air with a cooling target temperature set by a user. When the vent discharge temperature is greater than the cooling target temperature the compressor RPM is determined and air is introduced into the vehicle without passing through the interior heat exchanger and the electric heater. When the vent discharge temperature is less than the cooling target temperature, the compressor RPM is determined and a door in the system is opened to guide the air through the interior heat exchanger to heat the air is heated and then the vent discharge temperature is compared with the cooling target temperature again, and the electric heater is operated.

Abstract: A centralized energy (CE) module for a vehicle includes: a base plate; a compressor mounted on the base plate and compressing refrigerant; a condenser mounted on the base plate at a location spaced apart from the compressor and heat-exchanges the compressed refrigerant supplied from the compressor with a coolant which flows into the condenser to condense the refrigerant; an evaporator mounted on the base plate at a location spaced apart from the condenser and evaporating the refrigerant supplied from an expansion valve integrally mounted through heat-exchange with the coolant which flows into the evaporator and supplying the evaporated refrigerant to the compressor; and an accumulator connected with the evaporator through the expansion valve, and supplied only a gas refrigerant among the evaporated refrigerants to the compressor while passing through the evaporator.

Abstract: Disclosed herein is a heat pump system for a vehicle having a battery module and an electric module. The heat pump system includes: a first cooling line connected to the battery module and having a coolant flowing therein; a chiller disposed on the first cooling line and connected to a refrigerant line of an air conditioning system through a connection line, and exchanging heat between a coolant selectively introduced therein and a refrigerant to control a temperature of the coolant; a cooling system including a radiator connected to a cooling line and a first pump circulating the coolant along the second cooling line so as to cool an electric module, and connected to the first cooling line through a first valve; and a bypass line selectively connecting the connection line and the refrigerant line to each other through a second valve provided on the refrigerant line.

Abstract: A centralized energy (CE) module for a vehicle may include a base plate; a compressor mounted on the base plate and compressing a refrigerant; a condenser mounted on the base plate at a location distanced from the compressor and exchanges heat between the compressed refrigerant supplied from the compressor with cooling water which flows into the condenser to condense the refrigerant; and an evaporator mounted on the base plate at a location distanced from the condenser and evaporating the refrigerant supplied from an expansion valve, integrally mounted, through heat transfer with the cooling water which flows into the evaporator and supplies the evaporated refrigerant to the compressor.

Abstract: A battery cooling system for a vehicle may include an air conditioning device including a compressor, a condenser, an evaporator, and a first expansion valve connected through a refrigerant line and circulating a refrigerant to cool the internal of the vehicle; a cooler including an electric device radiator and a first water pump connected with a cooling line and circulating coolant to cool a motor and an electric device; a battery module in which the coolant circulated therein through an operation of a second water pump provided on a battery cooling line, connected with the cooling line through the battery cooling line; and a chiller connected with the refrigerant line through a connection line, provided on the battery cooling line, and controlling a temperature of the coolant by heat-exchanging the coolant and the refrigerant selectively introduced thereinto.