What is an automotive turbocharger assembly
automotive turbocharger assembly is a device that uses the exhaust energy from the engine to compress the air and increase the intake capacity. It mainly consists of a turbine and a compressor, rigidly connected by a shaft, called a turbocharger rotor. The intake port of the turbine is connected with the exhaust manifold of the engine, and the exhaust port is connected to the exhaust pipe; The compressor intake is connected to the air filter and the exhaust is connected to the intake manifold .
Working principle
The working principle of the turbocharger is based on exhaust gas turbocharging technology. The high temperature and high pressure exhaust gas from the engine impacts the turbine, making its rotor rotate rapidly, and then drives the coaxial compressor impeller to rotate, compressed air into the cylinder. When the engine speed increases, the exhaust gas removal speed and turbine speed also increase, which compresses more air into the cylinders and increases the engine's power output .
Key components and functions
The main components of the turbocharger assembly include:
turbine : receives high-temperature and high-pressure exhaust gas and drives the rotor to rotate.
compressor : compresses air to increase intake.
supercharger shaft : connects turbine and compressor to transfer power.
floating bearing : support rotor high-speed rotation, reduce friction.
intercooler : Cools the compressed air to increase its density.
exhaust gas bypass valve : adjust the exhaust gas flow, control the boost pressure.
intake by-pass valve : adjust intake volume, optimize engine performance .
Care and maintenance advice
In order to ensure the stable operation and optimized performance of the turbocharger, it is recommended to regularly check and maintain the following components:
floating bearing : to ensure good lubrication, reduce wear.
intercooler : Keep clean to prevent clogging.
exhaust gas bypass valve and intake bypass valve : ensure normal operation to avoid air leakage or stuck.
Sealing ring and pressure relief valve : prevent air leakage and damage caused by excessive pressure .
The main function of the automotive turbocharger assembly is to improve the intake efficiency of the engine, thereby increasing the output power and torque of the engine . Turbocharger increases the intake volume by compressed air, and uses the inertia impulse of exhaust gas discharged by the engine to drive the turbine in the turbine room to rotate, and then drives the coaxial impeller to compress the air, which increases the pressure and density of the air, thus burning more fuel and improving the output power of the engine .
How a turbocharger works
The working principle of the turbocharger is based on exhaust gas turbocharging technology. When the engine is working, the high-temperature and high-pressure exhaust gas hits the turbine blades and drives the turbine to spin. The turbine is connected to the impeller by a drive shaft, which rotates and compresses the air. The compressed air enters the engine cylinder through the air filter pipe, increasing the intake volume, improving the combustion efficiency, and thus improving the engine performance .
Structural composition of turbocharger
Turbochargers are mainly composed of turbines and compressors. The intake port of the turbine is connected with the exhaust manifold of the engine, and the exhaust port is connected with the exhaust pipe; The intake port of the compressor is connected with the air filter, and the exhaust port is connected with the intake manifold. In addition, the turbocharger also includes auxiliary components such as exhaust gas bypass valve and intake bypass valve to ensure the stable operation and optimized performance of the supercharger .
Advantages and disadvantages of turbochargers
Advantages :
power : significantly improve the engine inflation efficiency, enhance power output, the increase can reach more than 100% .
energy saving and emission reduction : reduce fuel consumption by about 10%, improve cylinder combustion, reduce the content of harmful substances in the waste gas .
strong adaptability : at high altitudes can also ensure adequate engine inflation efficiency .
Disadvantages :
high maintenance cost : the lubricating oil quality requirements are higher, and the engine high and low speed performance bring some cost problems .
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