Patent ID: 11965431
Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A turbine, comprising:
a turbine wheel configured to rotate about an axis;
a turbine housing accommodating the turbine wheel and defining an annular nozzle passage on an outer peripheral side of the turbine wheel, and
a plurality of nozzle vanes arranged in the nozzle passage at an interval in a circumferential direction,
wherein each of the plurality of nozzle vanes is configured to satisfy Lv<Lc/Nv, where Lv is a length of a straight line connecting a leading edge and a trailing edge, Lc is the perimeter of a trailing edge incircle C1 passing through the trailing edge, and Nv is the number of nozzle vanes,
wherein the nozzle passage is defined by a hub-side wall surface and a shroud-side wall surface, and
wherein circumferentially adjacent nozzle vanes are disposed at different radial positions in a connection position of each of the nozzle vanes with the hub-side wall surface.