Patent ID: 8083474

Claim:
A turbocharger comprising: a nozzle mount which rotatably supports a plurality of nozzle axes at regular intervals circumferentially, the nozzle axes are formed such that open-close levers having two-forked holding parts formed as their leading ends are fixed at one end part, and nozzle vanes that control an amount of exhaust gas to rotate a turbine rotor are fixed at the other end part; and a ring plate which has pins fixedly arrayed so as to correspond to the nozzle axes, to engage with the holding parts of the open-close levers, the ring plate is rotatably supported coaxially on the nozzle mount, wherein the pins are formed such that stainless steel is used as a base material, and the base material is coated with a hard coating formed of Al, Cr, Si, and N by physical vapor deposition.