Abgasturbolader mit reduzierter Schallabstralung

摘要

The turbocharger comprises an intake housing having an outer wall defining an intake opening therein and an inner wall positioned within the outer walls. There is a primary inlet formed within the inner wall, and an annular chamber formed between the outer wall and the inner wall. There is a member for connecting interposed the annular chamber and the primary inlet forming a secondary inlet. There is also members for reducing noise emitted from the turbocharger, the member for reducing being a passive noise reduction system including a plurality of deflector assemblies having a series of deflector fins defining a preestablished space therebetween positioned in generally axial alignment with the annular chamber. The preestablished space is determined by: spacing = (N x 104400000)/SxB Where N = number of spaces S = turbocharger speed (RPM) B = number of main blades.