Refrigerant flows continuously in the system. Each cycle includes four processes: compression, condensation, throttling and evaporation.

Compression process

When the compressor is working, the low pressure and low temperature gaseous refrigerant from the evaporator is sucked in, and after being compressed, it becomes the high pressure and high temperature gaseous refrigerant and is discharged into the condenser.

Condensation process

In the condenser, the refrigerant exchanges heat with the outside air. As the temperature of the refrigerant is higher than that of the air outside the vehicle, the high pressure and high temperature gaseous refrigerant emits heat and transfers the heat to the air outside the vehicle passing through the condenser, which condenses itself into a high pressure and high temperature liquid refrigerant and flows to the throttling device.

Throttling process

In the throttling device, the high pressure and high temperature liquid refrigerant changes into the low pressure and low temperature liquid refrigerant and enters the evaporator.

Evaporation process

In the evaporator, the refrigerant exchanges heat with the air in the vehicle. Since the temperature of the refrigerant is lower than that of the air in the vehicle, the low pressure and low temperature liquid refrigerant absorbs the heat of the air in the vehicle flowing through the evaporator and vaporizes itself into a low pressure and low temperature gaseous refrigerant.

Engine accessories

Cylinder head, engine block, oil pan, etc

Crank connecting rod mechanism: piston, connecting rod, crankshaft, connecting rod bushing, crankshaft bushing, piston ring, etc

Valve mechanism: camshaft, inlet valve, exhaust valve, rocker arm, rocker shaft, tappet, push rod, etc

Intake system: air filter element, throttle, intake resonator, intake manifold, etc

Exhaust system: ternary catalyst, exhaust manifold and exhaust pipe

Drive train accessories

Flywheel, pressure plate, clutch plate, transmission, shift control mechanism, transmission shaft (universal joint), wheel hub, etc

Brake system accessories

Brake master cylinder, brake wheel cylinder, vacuum booster, brake pedal assembly, brake disc, brake drum, brake pad, brake oil pipe, ABS pump, etc

Steering system accessories

Steering knuckle, steering gear, steering column, steering wheel, steering rod, etc

Driving accessories

Steel rim, tire

Suspension

Front axle, rear axle, swing arm, ball joint, shock absorber, coil spring, etc

Ignition accessories

Spark plug, high-voltage wire, ignition coil, ignition switch, ignition module, etc

Fuel system accessories

Fuel pump, fuel pipe, fuel filter, fuel injection nozzle, oil pressure regulator, fuel tank, etc

Cooling system accessories

Water pump, water pipe, radiator (water tank), radiator fan

Lubrication accessories

Oil pump, oil filter element, oil pressure sensor

Electrical instrument accessories

Sensors, PUW vent valves, lamps, ECU, switches, air conditioners, harnesses, fuses, motors, relays, horns, actuators

Decorative lamp, anti fog lamp, indoor lamp, headlamp, front turn signal lamp, side turn signal lamp, rear combination lamp, license plate lamp and various bulbs

Switches

Combination switch, window regulator switch, temperature control switch, etc

Air conditioning

Compressor, condenser, drying bottle, air conditioning pipe, evaporation box, blower, air conditioning fan

Sensors

Water temperature sensor, intake pressure sensor, intake temperature sensor, air flow meter, oil pressure sensor, oxygen sensor, knock sensor, etc

Body parts

Bumper, door, fender, windshield, pillar, seat, center console, hood, boot cover, sunroof, roof, door lock, armrest, floor, sill, etc

Other accessories: air bag, safety belt, etc.