Browse Publications Technical Papers 2001-01-0273
2001-01-05

Variable Geometry System Turbocharger for Passenger Car Diesel Engine 2001-01-0273

The problem of the relationship between automobile emission and environmental pollution has attracted considerable attention lately. The variable swallowing capacity turbocharger becomes essential technology to cope with emission regulations and to decrease fuel consumption, while meeting the demand for increasing engine power output. A turbocharger with new structure has been developed for passenger car applications, the RHF series Variable Geometry System (VGS) turbocharger. The object of VGS turbocharger is to improve engine performance, over a broad engine speed range, by changing the swallowing capacity of turbine with a variable geometry nozzles.
This paper describes the details of structure, performance and control of RHF series VGS turbocharger. Furthermore, a high temperature tribological study about the driving link is also discussed.

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