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Overview |
A cooling module is composed of heat exchangers which includes Radiator for cooling down and antifreezing jacket water to maintain optimum performance of the engine, Condenser for cooling down the gas refrigerant to liquid one, Intercooler (CAC) for providing higher density air into engine cylinder by cooling, Oil cooler (in-tank type & air oil cooler type) for cooling down the transmission oil and Cooling fan for generating the forced airflow.
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Features |
● Reduced man-hour, number of parts & weight
● Small lot production through modularization
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Operation Principle |
Working fluids (Coolant, Refrigerant, Transmission oil, Turbo charger air) are maintained at the appropriate temperature level by heat exchanging with fresh air flowing in through the car's front grill. In addition, Cooling fan controls the optimum airflow rate into the heat exchangers through a front grill on the driving condition.
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Overview |
A cooling fan is composed of motor, fan and shroud, and is attached to a radiator or condenser in an engine room of an automobile. A cooling fan draws outside air to cool down the radiator and condenser.
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Features |
● High performance & low noise cooling fan optimized to the
design of the cooling & air conditioning system.
● PWM controller & brushless motor for high efficiency of a
cooling fan.
● Radiator, condenser and optimized fan are assembled in a
module and delivered to the customer.
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Operation Principle |
Data inputs from temperature & pressure sensors of engine cooling system & air conditioning system are required to operate a cooling fan. ECU (Engine Control Unit) makes judgment with these data sets and controls the cooling fan for protection and for optimum operation of the engine system. A cooling fan controls its speed in two or three steps. In this case, a register or PWM control for energy efficient linear speed control is used.
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Overview |
A radiator exchanges heat generated from the engine with coolant. In general, 30% of total energy input into engine is used up for power and 60% is released to exhaust and radiator (50:50). The rest 10% is absorbed by the automobile. Therefore, a radiator has capacity to handle 30% of total energy consumption. However, as actual load on a radiator depends on the engine type, car weight and service environment. The capacity of a radiator is decided through real car test (wind tunnel test, road test) when a new car is developed.
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Features |
● lightweight & slim due to a compact design
● Enhanced coolant & air pressure drop through CFD analysis
and design
● Maximized heat rejection per unit area due to optimum
design
● Enhanced durability & reliability with advanced materials
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Operation Principle |
Heat generated engine combustion is transferred to coolant surrounding the engine, and subsequently, high temp coolant flows into a radiator located at the front of an automobile. While high temp coolant flows through tubes of a radiator, it exchanges heat with surrounding air. In this process, high temp coolant dissipates heat to become low temp coolant. This low temp coolant enables the engine to run at appropriate temperature as it flows into and cool down the engine continuously.
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Overview |
Transmission oil cooler, a plate type built in a radiator tank, is composed of oil fin contacting oil, water fin contacting antifreeze, tube plate composing a main body, and fitting linked to a pipe. All components are made of laminated aluminum and brazed to make a complete unit. erae Automotive’s transmission oil cooler is optimally designed to meet variety of performance requirement depending on its length, width, and stack height.
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Features |
● Plate type oil cooler
● Lightweight with aluminum materials
● Compact size with high efficiency & performance
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Operation Principle |
If temperature of transmission fluid and oil rises above a set level, it may lead to frequent exchange of oil and damage of transmission due to heat degradation. A transmission oil cooler built in a radiator is a heat exchanger with coolant passing through a radiator which maintains temperature of transmission fluids at an appropriate level by radiating heat generated due to operation of transmission (friction).
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Overview |
A turbocharger installed to improve power drop and emission of pollutants of NA engine increases charged air supplied to the engine also increases the temperature of the intake air. This can lead to engine knocking and reduction in charging efficiency. As CAC lowers temperature of charged air, the combustion temperature also drops. Therefore, there are advantages of reduced NOx emission, reduced heat degradation of engine and longer engine life.
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Features |
● Air type CAC
● Compact heat exchanger with high efficiency
● Easily mountable in various types & sizes
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Operation Principle |
The engine needs lots of fuel and air to make more power when an automobile runs in high speed or on a slope. In this case, an engine controller activates a turbocharger and high temp & high pressure air flows into CAC. The temperature of charged air drops as it exchanges heat with outside air flow in through a front grill. Tubes in which charged air flows and fins through which outside air passes perform conduction and convection heat transfer for heat exchange.
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Overview |
A condenser is composed of fin which air passes through, tube which refrigerant passes through, tank collecting or diverting refrigerant and receiver drive. A receiver drier integrated condenser in which a condenser and a receiver drive are structurally and functionally integrated is a main stream.
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Features |
● Ultra light condenser with a variety of thickness
(10, 12 & 16 mm)
● High efficiency & performance condenser designed with
highly efficient multi channel tube & air cooling fin
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Operation Principle |
A condenser, one of 4 basic components (compressor, condenser, expansion valve, evaporator) composing an air conditioner releases heat from evaporator and compressor. Gaseous refrigerant discharged from a compressor changes its phase into fluid refrigerant as it exchanges heat with outside air through condenser fins.
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Overview |
An air oil cooler, a heat exchanger assembled into a cooling module of an automobile performs a function to cool down transmission oil of an automobile with air flow in the engine room. It is composed of tube which transmission oil passes through, fin which air flow into the engine room passes through, header connecting tube and fin and pipe connected to the automobile. erae Automotive is developing a highly efficient oil cooler for energy saving.
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Features |
● Lightweight & durable with aluminum materials
● High efficiency & performance
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Operation Principle |
Transmission oil warmed up in transmission flows inside oil cooler tubes and cool air flow into the engine room passes through oil cooler fins. Transmission oil inside tubes is cooled down through heat exchange between transmission oil and cool air and circulated into transmission again. In the majority of cases, only a transmission oil cooler is used to cool down transmission oil even when both transmission oil cooler and air oil cooler are available in an automobile. But transmission oil also flows in the air oil cooler when higher cooling performance is required.
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