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Technology of small high temperature resistant VNT supercharger for clean and efficient diesel engine

Hits: 3893943 2020-04-17

With the implementation of lower emission and higher fuel consumption standards, end users are increasingly sensitive to the performance and fuel consumption of light commercial vehicles. In order to improve performance and further attract consumers, many light commercial vehicle manufacturers choose higher efficiency diesel engines. The higher efficiency diesel engine needs the supercharger platform to withstand 870 ℃ instead of 830 ℃. The sixth generation variable cross-section turbocharger developed by Garrett, a global leader in turbocharging technology, can help automobile manufacturers tap the performance potential of diesel power system at higher exhaust temperature.
No.1
Higher performance and lower emissions
Garrett's latest diesel VNT turbocharging technology can not only improve engine performance and responsiveness, but also improve fuel efficiency and reduce the generation of nitrogen oxides. The VNT turbocharged engine with gheret miniaturization is very efficient. It can convert the heat energy in the exhaust gas, provide excellent driving experience and better fuel economy.
No.2
New benchmark of efficiency ratio of single turbocharger
Through the innovation of aerodynamics and ultra efficient bearings, the Garrett turbocharger can increase the low-speed torque of the new power system by more than 5%, not only improving the acceleration performance, but also increasing the efficiency of exhaust gas recirculation, thus reducing the generation of nitrogen oxides. This result creates a new benchmark for the efficiency ratio of single turbocharger.
No.3
Mature professional experience in mass production and high temperature application
The design concept of supercharged engine is to meet strict emission standards without sacrificing power performance. It is well known that turbocharging technology is the core of engine miniaturization. At present, Garrett combines the mature mass production capacity of diesel turbocharger with the professional experience of high-temperature application in the development of gasoline engine products for decades to develop a new generation of clean high-temperature diesel engine variable cross-section turbocharger to achieve higher efficiency and responsiveness.
No.4
Deep knowledge of turbocharger core technology
Higher temperature is a technical challenge for a complex turbine system, but Garrett ensures the performance and system integrity of key components such as VNT nozzle assembly and turbine by using its deep knowledge and ability in aerodynamics, rotor dynamics and material science.
No.5
Pioneering and rich historical experience
Garrett has more than 20 years of development and mass production experience since the first generation of variable cross-section turbocharger was applied to Volkswagen Audi diesel vehicles in the 1990s. So far, Garrett variable section turbocharger has been applied to more than 70 million diesel engines.
No.6
Software control technology
The variable cross-section turbocharger of Garrett diesel improves engine performance, control, driving performance and fuel efficiency while meeting emission and fuel consumption regulations. At the same time, the advanced power system can be further enhanced by using the Garrett control software solution.
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