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Types of car air conditioning oil and how to add oil

As a car owner, you need to regularly change the air conditioning compressor oil to keep your car air conditioning system in good condition and to cool the interior temperature. An AC system can work well and last a long time on a car, of course it needs maintenance and oil changes regularly so that the components working in it do not wear out or get damaged. ... More...

Which hand tool steel is the most durable?

As we all know, different steels are used to make different hand tools. The properties and strength of the steels are given below. ... More...

Common Rail injection system

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Car fuel system: Overview and comparison of gasoline and diesel engines

The fuel system of a car is an important part of the engine system, ensuring that fuel moves from the tank to the engine and is burned efficiently. The efficiency of the fuel system directly affects the vehicle's performance, fuel economy and environmental impact. Depending on the type of engine - whether a gasoline engine or a diesel engine - the operating principles and advantages of fuel systems are different. Functions and components of a car's fuel system Main features: Fuel transport: The fuel pump delivers fuel from the tank to the engine. Fuel cleaning: The fuel filter removes dirt and impurities that can damage the system. Fuel metering: The system ensures that the correct amount of fuel is delivered according to the engine load and speed. Fuel preparation for combustion: The fuel that reaches the engine is mixed with air to achieve optimal combustion. ... More...

Car Cooling System: Overview, Working Principle and Important Parts

What is a Car Cooling System? The car cooling system is one of the most critical systems in an engine, responsible for maintaining the engine temperature within an optimal range, preventing overheating, and ensuring efficient operation. The cooling system removes excess engine heat and contributes to fuel efficiency and engine longevity. How Does a Car Cooling System Work? The cooling system operates by circulating coolant, which absorbs engine heat and dissipates it through the radiator. The system includes several key components that ensure proper fluid circulation and heat dissipation. Key Components of the Car Cooling System 1. Interior Heat Exchanger (Cabin Heater Core) ... More...

Car Air Conditioning: Working Principle, Important Parts and Maintenance

What is a Car Air Conditioning System? The car air conditioning system (Car Air Conditioner) is a system that ensures a comfortable temperature inside the vehicle by removing excess heat and humidity. The air conditioning system operates in a closed circuit, using a special refrigerant (Freon) to maintain the cooling cycle. How Does a Car Air Conditioning System Work? The air conditioning system works on the principle of heat transfer, where heat is removed from the vehicle's interior and released into the external environment. The main stages of this process are: Compression of the refrigerant: The air conditioning compressor increases the pressure and temperature of the refrigerant. Heat dissipation: The condenser removes the heat from the high-pressure gas, converting it into a liquid. Expansion of the refrigerant: The expansion valve lowers the pressure of the liquid refrigerant, cooling it. Heat absorption: The evaporator absorbs heat from the cabin, turning the liquid refrigerant back into gas. The cycle continues: The compressor pulls back the heat-absorbed refrigerant, and the process repeats.   Car Air Conditioning / A/C System Diagram 1. A/C Condenser Fan ... More...