Customs authorization via HS code checks

List of the catalog of this article:

• 1,Customs authorization via HS code checks The function and composition of the engine cooling system
• 2、What does the car cooling system consist of
• 4,Customs authorization via HS code checks detailed explanation of engine cooling system
• 5, How to check and maintain the automobile cooling system

Function and composition of the engine cooling system

1. What is the function of the cooling system? What is the composition of the cooling system? The functions of the system are: to dissipate heat into the air to prevent the engine from overheating; to make the engine warm up as soon as possible and keep it at a constant temperature; to take away the heat generated by the combustion of the engine, so that the engine can be maintained within the normal operating temperature range.

2. The water pump is used to pressurise the cooling water, accelerate the circulation of the cooling water, and ensure reliable cooling. Crifugal pumps are mostly used on car engines. Crifugal pumps have the advantages of simple structure, small size, large displacement, convenient maintenance and so on.

3. Hello, the composition of the cooling system: the cooling system is composed of a thermosulator, a water pump, a water pump belt, a radiator, a cooling fan, a water temperature sensor, a liquid storage tank, a heating device, an expansion tank, a water sleeve in the engine body and a cylinder head, etc.

Explore the principle and function of engine cooling system

1. Reduce temperature and reduce pressure: when coolant When flowing through the surface of the engine, these infiltrations will remove the engine particles into the cooling system. Both slag and slag can precipitate or become solidified structures in the radiator to reduce thermal energy and possible corrosion.

2. The main function of the engine cooling system is to dissipate part of the heat of the heated parts and ensure that the engine works within the most appropriate temperature range. At present, most water cooling systems are forced circulation water cooling systems, which force water to circulate in the cooling system through pumps.The principle of the cooling system is actually not complicated.

3. The working principle of the cooling system is the following four points: when the cooling water is forced to circulate the engine, the water pump is driven by the engine. The water pump pressurized the antifreeze and sends it into the waterway of the engine cylinder. Because the pump is in a continuous working state, the antifreeze is continuously squeezed into the cylinder, the water pressure is raised, and the outlet pipe of the radiator is sent through the thermostat.

4. Working principle of the cooling system: the working principle of forced circulation of cooling water. When the engine is working, the pump is driven to work. After the pump pressurized the coolant from the radiator outlet pipe, it is forcibly pumped into the waterway of the engine cylinder.

5. The working principle of the cooling system is to circulate the liquid through the pipes and passages in the engine. When the liquid flows through the high-temperature engine, it absorbs heat, thus reducing the temperature of the engine.After the liquid flows through the engine, it flows to the heat exchanger (or radiator), and the heat in the liquid is released into the air through the heat exchanger.

What does the automobile cooling system consist of

The automobile cooling system consists of the following parts: water pump: pressurized the coolant to ensure the circulation in the cooling system. At present, centrifugal pumps are widely used in automobile engines. Radiator: It is composed of three parts: water supply room, water output room and radiator core. The coolant flows inside the radiator core, and the air passes outside the radiator core.

At present, most of the water cooling systems used in automobile engines are forced circulation water cooling systems, which use pumps to force water to circulate in the cooling system. It consists of a radiator, a water pump, a fan, a water tank and a temperature control device.Radiator function: increase the heat dissipation area and accelerate the cooling of water.

The composition of the automobile engine cooling system is the cooling medium of the whole automobile engine cooling system. The cooling medium is the coolant. The main components are thermosulators, water pumps, water pump belts, radiators, cooling fans, water temperature sensors, liquid storage tanks, and heating devices (similar radiators).

The cooling system is composed of radiator, cooling fan, water pump, thermoster, coolant thermometer, water sleeve, water pipe, coolant expansion tank, coolant temperature sensor, etc.

Detailed explanation of the engine cooling system

The working principle of the cooling system is the following four points: When the cooling water forces the engine to work, the water pump is driven by the engine. The water pump pressurized the antifreeze and sends it into the waterway of the engine cylinder.Because the pump is in a continuous working state, the antifreeze is continuously squeezed into the cylinder, the water pressure is raised, and the outlet pipe of the radiator is sent through the thermostat.

In high-rise buildings, in most cases, the whole unit should be selected for closed water circulation cooling, which covers a small area and is empty. Introduction to the engine cooling system: Introduction The engine must be moderately cooled. If the cooling is excessive, the heat transfer loss will increase, and the reasonableness of the engine fuel will also deteriorate.

The engine water-cooled cooling system is made of: water pump, radiator, cooling fan, thermoster, compensation water tank, engine body, cylinder head water sleeve, etc. The engine cooling system uses the water pump to increase the pressure of the coolant and forces the coolant to circulate in the engine waterway to ensure that the excess heat of the engine is taken away and allows it to work at the appropriate temperature.

Car cooling system is one of the more important systems in cars. It has the function of warming up the engine as soon as possible and maintaining a constant temperature and preventing the engine from overheating.

How to check and maintain the car cooling system

The inspection order should be as follows: Step 1: Check the water tank. Under normal circumstances, the temperature of the top and bottom of the water tank should be the same when the car is driving. If the water tank is half cold and half hot, it can be judged that the internal water tank is blocked. You can connect the water tank to the water pipe with a pressure of 2kg and wash it in the opposite direction.

Inspection and adjustment of fan belt tightness: The tightness of the fan belt is too small, which not only affects the cooling air volume and increases the engine workload, but also accelerates the wear of the belt due to slippage.If the belt is too tight, it will accelerate the wear of water pump bearings and generator bearings. Therefore, the tightness of the belt should be checked during use, and it should be adjusted if necessary.

Check and adjust the tightness of the fan belt: If the tightness of the fan belt is too small, it will not only affect the cooling air volume and increase the working load of the engine, but also accelerate the wear of the belt due to slippage. If the belt is too tight, it will accelerate the wear of the pump bearing and the generator bearing.