The automotive turbocharger is a technology that uses the exhaust gas discharged from the engine to drive the air compressor. It can increase the intake volume by compressing the air, thereby improving the output power and efficiency of the engine.
According to the driving mode, it can be divided into a mechanical supercharger and a turbocharger. The mechanical supercharger is an air compressor driven by the crankshaft or belt of the engine. It can provide a stable boosting effect, but it will also consume part of the engine’s power and increase the weight and cost of the engine. The turbocharger is an air compressor driven by the exhaust gas of the engine. It can use the energy of the exhaust gas to improve the efficiency of the engine, but it will also produce certain lag and noise.
According to the structural form, it can be divided into a single turbocharger and a twin turbocharger. A single turbocharger refers to a supercharger with only one turbine and one compressor. It has a simple structure and is easy to install. It is suitable for small-displacement or low-power engines. A twin turbocharger refers to a supercharger with two turbines and two compressors. It has a complex structure and is difficult to install. It is suitable for large-displacement or high-power engines. Twin turbochargers can be divided into two types: parallel and series. The former refers to two turbochargers working at the same time, and the latter refers to two turbochargers working in sequence.
According to the control method, it can be divided into fixed and variable turbochargers. Fixed turbochargers refer to turbine blade angles and shapes that are fixed. Its advantages are simple structure and low cost. Its disadvantages are that it cannot be adjusted according to the engine speed and load, and it is easy to produce lag and over-boost. Variable turbochargers refer to turbine blade angles and shapes that are variable. Its advantages are that it can be adjusted according to the engine speed and load to improve the boost effect. Its disadvantages are complex structure, high cost, and difficult maintenance.
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Post time: Jul-12-2024