Variable-throat turbocharger and manufacturing method for constituent members of throat area varying mechanism

摘要

A variable-throat exhaust turbocharger equipped with a nozzle throat area varying mechanism for varying the blade angle of a plurality of nozzle vanes (2) supported rotatably by members (31, 32) including turbine casing, wherein members having at least one through-hole (31) and at least one shaft member to be inserted and fixed into the through-hole(s) among constituent members of said nozzle throat area varying mechanism are connected by means of brazing welding.