The paradigm has changed. The smaller the engine capacity, "said Fred Becker,Director of Sales Engineering Concepts NREC, a company turbocharger manufacturers from the United States, at SAE World Congress in Detroit last week.However, the performance is not sacrificed. "In fact, the more intense, more efficient, and exhaust gas emissions are also so low. The car was driven by steady on a variety of conditions, "he added.

Actually, the trend has been underway since last few years. For exampleVolkswagen, which developed TSI engine. Although the 1.4-liter engine capacity,ability to match the 2.0-liter engine. VW engines have been used on products soldin Indonesia, the Touran MPV.Gasoline engine-now-especially the more severe because the application of technology combined with
direct injection petrol or gasoline direct injection (GDI, or DI) and the turbocharger. Especially for the turbo, this system not only works on medium and high speed, but starting from the start. Turbochargers also no longer owned a large capacity machine, but also a small engine, below 1.5 liters.

Noise

In addition to boosting performance machines that are more efficient, development by turbocharger manufacturers is to reduce the noise caused by this device. For that, the engineer who specializes in turbochargers, automotive applications, specifically to analyze and design a turbo back subcomponents, such as shapes,angles and size of the fan leaf (blade, blade). Result, the ability of the turbocharger is now more intense.In addition, because many companies are interested in automotive component suppliers producing turbochargers, new ideas emerged. For example, designing a turbocharger with a miniature model of the pump at a nuclear reactor water cleanup. There also are making impellers (blade-blade) as a hydroelectric turbine (power plant) is safe through the fish. Some are made to replace the axial fan tai rotor helicopter model. Indeed, NREC've managed to make a highly efficient turbocharger, capable of reducing NOX, and worked in the radial.

Recovering energy

"No less attractive because of design and engineering knowledge continue to grow. Turbochargers are designed specifically for current generation gasoline and diesel engines, "said Becker. Therefore, the upcoming turbocharger designed for smaller-capacity engine and cylinder number bit, for example, four, three, or even two cylinders. "In fact, had anyone have an idea to unite the turbo unit with EGR (exhaust gas recirculation)," Becker beber. During this time, the development of automotive turbochargers on slow assessed.The reason is, the added value obtained from the turbocharger a bit. 'In order to obtain greater value added, research now focuses on the aerodynamics of turbo impeller,' he said. He added, later not only to boost turbocharger (boost) power of the engine, but also to restore or recover energy.