GUI LIN NEW GLORY MACHINERY CO., LTD : principle of turbocharger (4)

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Since the speed of gasoline engine is higher than that of diesel engine, the air flow rate is faster and the range of variation is larger, so its turbocharger has higher requirements. Electronic injection system has been widely used in modern car engines. With the help of electronic control technology and new materials, turbochargers will be increasingly used in gasoline engines.

The exhaust turbochargers for cars all use a single inlet turbine housing, which means only the pressure energy of exhaust gas is used, and no other auxiliary energy is needed. Because the speed range of the car engine is large, so the exhaust gas turbocharger must be equipped with a regulating device, so that the engine can obtain a relatively constant pressurization pressure within a certain speed range. In addition, the gasoline engine is ignition, its compression ratio is limited to a certain range, too high will cause deflagration. Therefore, it is necessary to have deflagration detection and control mechanism to adjust the ignition advance Angle at any time.

The exhaust gas turbocharger of cars is generally installed near the exhaust pipe, and the turbine and impeller are respectively installed in the turbine chamber and the supercharger. The two coaxial rigid connection and synchronous rotation.

This paper by guilin new ronghuang machinery co., LTD