Variable Nozzle Turbo, used in Toyota Fortuner Diesel is extraordinary. This device is able to increase the power output and torque significantly.
With the VNT, the power output increased from 102 PS/3600rpm to 144ps/3400rpm. While torque 26.5kgm/1600 - 2400 rpm to 35kgm/1600-2800rpm. Significant improvement was solely due VNT, because the machines used the same, four-cylinder diesel engine capacity of 2.5 liters.
To determine the action of VNT encourage more productive machines, it helps refresh our memories about working turbocharger. Turbo installation goal is to enrich the amount of oxygen into the war in order to fuel combustion. Supplementary oxygen is sucked from the outside. Turbocharger consists of a compressor duty to suck and push air into the combustion chamber. Kompressor has the same shaft with the turbine. If the turbine spinning, spinning compressor also suck the outside air, the turbine exhaust gas is driven from the engine.
In the regular Turbo, to be effective compressor, turbine rotation is needed fast. It can only be produced when the exhaust pressure is high. Or in other words, the new Turbo effective at high rpm.
How to get enough pressure at low engine rpm? This is where innovation VNT. Unlike the regular Turbo, the turbine has blades. Blades the opening angle can be adjusted depending on engine load, rpm, and many other variables. Blades mover is an electric motor.
At low speed, when the exhaust pressure is still weak and ineffective turbine, the blades were closed so that the exhaust gas flow in a narrow area automatically increase the pressure. The result can effectively rotate turbines that makes the compressor work since the lower rounds.
The higher the engine speed, the angle of aperture blades greater to avoid excessive pressure that can damage the turbo.
Since the turbo-related hot exhaust gas flow, the inhaled air temperature increase. And if the hot temperatures make tenuous and depleted oxygen molecules. Therefore, the Toyota Fortuner Diesel comes intercooler between the turbo and intake manifold to reduce the temperature of the heat back so the oxygen content becomes more dense.
Sources of air is blowing outside air that flowed from the air scoop on the hood Fortuner Diesel VNT.
With the VNT, the power output increased from 102 PS/3600rpm to 144ps/3400rpm. While torque 26.5kgm/1600 - 2400 rpm to 35kgm/1600-2800rpm. Significant improvement was solely due VNT, because the machines used the same, four-cylinder diesel engine capacity of 2.5 liters.
To determine the action of VNT encourage more productive machines, it helps refresh our memories about working turbocharger. Turbo installation goal is to enrich the amount of oxygen into the war in order to fuel combustion. Supplementary oxygen is sucked from the outside. Turbocharger consists of a compressor duty to suck and push air into the combustion chamber. Kompressor has the same shaft with the turbine. If the turbine spinning, spinning compressor also suck the outside air, the turbine exhaust gas is driven from the engine.
In the regular Turbo, to be effective compressor, turbine rotation is needed fast. It can only be produced when the exhaust pressure is high. Or in other words, the new Turbo effective at high rpm.
How to get enough pressure at low engine rpm? This is where innovation VNT. Unlike the regular Turbo, the turbine has blades. Blades the opening angle can be adjusted depending on engine load, rpm, and many other variables. Blades mover is an electric motor.
At low speed, when the exhaust pressure is still weak and ineffective turbine, the blades were closed so that the exhaust gas flow in a narrow area automatically increase the pressure. The result can effectively rotate turbines that makes the compressor work since the lower rounds.
The higher the engine speed, the angle of aperture blades greater to avoid excessive pressure that can damage the turbo.
Since the turbo-related hot exhaust gas flow, the inhaled air temperature increase. And if the hot temperatures make tenuous and depleted oxygen molecules. Therefore, the Toyota Fortuner Diesel comes intercooler between the turbo and intake manifold to reduce the temperature of the heat back so the oxygen content becomes more dense.
Sources of air is blowing outside air that flowed from the air scoop on the hood Fortuner Diesel VNT.
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