MIXED FLOW TURBINE AND TURBOCHARGER

Abstract: this mixed flow turbine is provided with a turbine wheel comprising a hub and blades provided at intervals in a circumferential direction of the hub on an outer peripheral surface of the hub. the tip ends of the leading edges of the blades are positioned on an outer side in the radial direction of the turbine wheel than the hub ends of the leading edges. when a distance between the downstream end of the outer peripheral surface of the hub and a rotational axis line of the turbine wheel is dh and the average of distances between respective positions from the hub ends to the tip ends at the leading edges and the rotational axis line is eave, dh/eave>0.4 is satisfied.

Inventor(s): Toru HOSHI, Takao YOKOYAMA, Toyotaka YOSHIDA

CPC Classification: F01D25/24 (Casings (modified for heating or cooling ); Casing parts, e.g. diaphragms, casing fastenings (casings for rotary machines or engines in general {; special arrangements in stators dealing with breaking-off of part of rotor }))

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