Patent ID: 9181961
Filing Date: 2015-11-10
Classification: F01D,F02B,F04D,F05D

Abstract:
1. A product for use with a turbocharger system comprising: a compressor wheel for charging a flow stream; a housing assembly disposed around the compressor wheel, the housing assembly defining an inlet passage and a discharge passage, wherein the flow stream extends through the inlet passage, around the compressor wheel and through the outlet passage; wherein the inlet passage is configured to impart a supersonic speed to the flow stream to inhibit sound from the compressor wheel from propagating against the flow stream through the inlet passage, wherein the inlet passage includes a throat with a cross section, wherein the cross section is variable, and wherein variation of the cross section accelerates and decelerates the flow stream, wherein the inlet passage includes a contour configured to accelerate the flow stream to a first speed equal to the speed of sound at the throat and to accelerate the flow stream to the supersonic speed beyond the throat and into a diverging cross section of the inlet passage with a diverging profile.