One of the Volvo Engine Parts: Turbocharger

There are many Volvo engine parts and turbocharger is one of them. A turbocharger is actually an air compressor that compresses air to increase air intake. It is the only mechanical device in the current technology that can increase the “output power” of an engine with the “working efficiency” remaining unchanged. Why? In fact, the turbocharger is generally installed in the exhaust side of the Volvo engine, turbocharging technology is the use of a specialized compressor will be pre-compressed gas before entering the cylinder, increase the density of the gas into the cylinder, reduce the volume of gas, so that in the unit volume, the mass of the gas is greatly increased, so that you can then be limited to the cylinder volume of the fuel injected into the combustion of more fuel, thereby achieving The purpose of increasing engine power.

1. Working principle of turbocharger

Turbocharger is the use of engine exhaust inertia impulse to push the turbine chamber turbine, turbine and drive the coaxial compressor impeller, compressor impeller pressure from the air filter pipeline to send the air, so that it is pressurized into the cylinder. When the engine speed increases, the exhaust gas discharge speed and turbine speed also synchronized with the speed increase, the compressor impeller compresses more air into the cylinder, the air pressure and density increases can burn more fuel, the corresponding increase in the amount of fuel and adjust the speed of the engine, so that you can increase the engine's output power. Generally can make the engine to increase the output power in 10% to 40% or so.

2. Advantages of turbocharger

(1) increase engine power. In the case of the engine displacement remains unchanged by increasing the intake density, so that the engine can be more fuel injection, thereby increasing the engine power, the power and torque of the engine after the supercharger to increase by 20% to 30%. Conversely, in the same power output requirements can reduce the engine bore, reduce the size and weight of the engine.

(2) Improved engine emissions. The turbocharger engine reduces the emission of harmful components such as particulate matter and nitrogen oxides in the engine exhaust by improving the combustion efficiency of the engine. It is an indispensable configuration for diesel engines to reach Euro II or above emission standards.

(3) High altitude, the higher the altitude, the thinner the air, the engine with a turbocharger can be overcome due to the thin plateau air caused by the engine's power decline.

(4) Improve fuel economy and reduce fuel consumption. Due to the better combustion performance of the engine with turbocharger, fuel can be saved by 3%-5%.

For the car installed with a supercharger, you need to pay attention to the following matters, otherwise it is easy to damage the turbocharger.

(1) After the engine is started, it should be allowed to run at a low speed for a period of time in order to allow the lubricant to fully lubricate the bearings before the supercharger rotor runs at high speed.

(2) The engine should not be shut down immediately after a long period of high-speed operation. If the engine is shut down suddenly when the engine is hot, it will cause the oil trapped in the turbocharger to overheat and damage the bearings.

Volvo engine parts need to be replaced in time after damage, and so does the turbocharger. In recent years, with the continuous progress and improvement of parts manufacturers, there are more and more manufacturers who can meet Volvo's requirements, and the price of Volvo parts has decreased, but overall, Volvo engine parts are still more expensive. If you have limited funds, you can choose used Volvo engine parts.

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