초록

A turbine of a turbocharger comprises a floating insert which defines a nozzle for passing a fluid and which is supported axially slidable with respect to a housing by a sliding support means. Said floating insert is axially supported by said guiding means formed by a portion of a center housing.

대표청구항 ▼

1. A method of manufacturing a center housing of a turbocharger, comprising the steps of: preparing a semi-finished center housing comprising a bearing bore machining portion and a guiding mechanism machining portion;holding said semi-finished center housing at a machining position on a machine tool

1. A method of manufacturing a center housing of a turbocharger, comprising the steps of: preparing a semi-finished center housing comprising a bearing bore machining portion and a guiding mechanism machining portion;holding said semi-finished center housing at a machining position on a machine tool; andmachining said bearing bore machining portion and said guiding mechanism machining portion in a common step so as to obtain an axially aligned bearing bore and a guiding mechanism in the form of a plurality of circumferentially spaced guide members each of which is an integral part of the center housing. 2. A method according to claim 1, wherein in the step of machining of said bearing bore machining portion and of said guiding mechanism machining portion in a common step the position of a rotational axis of a tool of said tool machine is fixedly held. 3. A method according to claim 1, wherein in the machining said bearing bore machining portion and said guiding mechanism machining portion in a common step the same tool of said tool machine is used. 4. A method according to claim 1, wherein the step of preparing said semi-finished center housing comprises the step of casting. 5. A method according to claim 1, wherein the step of preparing said semi-finished center housing comprises the step of integrally joining at least two components so as to form an integral semi-finished center housing. 6. A method according to claim 5, wherein said integrally joining includes welding.