The engine assembly, also known as the engine, is a machine that can convert one form of energy into another more useful form of energy, usually converting chemical energy into mechanical energy The electric motor, which converts electrical energy into machine energy, is sometimes applicable to both power generation devices and the entire machine including power devices. For example, gasoline engines, aviation engines, and automotive engines generally obtain kinetic energy through internal combustion of gasoline (diesel), so automotive engines are internal combustion engines. According to the different fuels used, they can be divided into gasoline engines and diesel engines. Gasoline engines and diesel engines have their own characteristics; Gasoline engines have high rotational speed, low quality, low noise, easy starting, and low manufacturing costs; Diesel engines have a high compression ratio, high thermal efficiency, and much better emission and economic performance than gasoline engines. Secondly, according to the piston motion mode, piston type internal combustion engines can be divided into two types: reciprocating piston type and rotary piston type. The former piston moves back and forth in a straight line in the cylinder, while the latter piston rotates in the cylinder. Thirdly, according to the number of cylinders, it can be divided into single cylinder engines and multi cylinder engines. Engines with only one cylinder are called single cylinder engines; An engine with two or more cylinders is called a multi cylinder engine. Modern car engines often use three cylinder, four cylinder, six cylinder, and eight cylinder engines. According to the arrangement of cylinders, they can be divided into single row, double row, and three row engines. The cylinders of a single row engine are arranged in a row, usually vertically, but sometimes they are arranged in a tilted or even horizontal position to reduce height. A double row engine arranges the cylinders in two rows, The angle between two columns)
The engine assembly includes a cylinder block, flywheel housing, transmission gear compartment, water pump, fan, transmission mechanism, timing gear, intermediate gear, filter, oil pan, oil pump, V-belt, crankshaft, connecting rod, piston, flywheel, etc
As a brand new series within the Audi family, the Audi S5 is positioned in the passionate segment of high-end two door sports cars. This is a charming car series that perfectly combines Audi's usual dynamic design, exciting power and handling performance, and excellent manufacturing technology. It is a new interpretation of Audi's brand concept of "breaking through technology and inspiring the future" The S series is the most sporty car series in the Audi family. Although there is still some gap between it and the rarer RS series, as car enthusiasts, they still take pride in owning an S series. In the sunlight, this white S5, when paired with Roman style architecture, appears particularly pure and noble. In my eyes, what I see more is the artistic characteristics that Audi A6L and A4 do not have. The slender body, perfect body lines and surfaces, and the interplay of light and shadow, are lifelike, giving the car a sculptural sense of art. The advantages of Audi S5 are self-evident, as it pushes Audi's fashion design language to a new height
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