Patent ID: 6415846
Filing Date: 2002-07-09
Classification: B22C,F01D,F05D

Abstract:
A method of manufacturing an integrated turbocharger housing comprising a compressor housing portion, turbine housing portion and connecting portion, using an attitude-setting-adjustable casting mold, said method comprising the steps of:(a) determining a specific attitude to which the compressor housing portion is to be set with respect to the turbine housing portion of the turbocharger housing; (b) configuring a compressor mold portion for the compressor housing portion relative to a turbine mold portion for the turbine housing portion to the attitude determined in step (a), said mold portions having a connecting geometry which is circular and concentric for making a combined mold portions, said combined mold portions freely rotatable relative to each other about a common axis, said mold portions freely adjustable with respect to attitude setting; and (c) casting the turbocharger housing as a single integral housing using the combined mold portions.