TURBINE AND TURBOCHARGER

Abstract: provided is a turbine including: a first turbine scroll flow passage that extends around a turbine impeller on a radially outer side, and communicates with an accommodating portion; a second turbine scroll flow passage that extends around the turbine impeller on the radially outer side, communicates with the accommodating portion, and is arranged on a discharge flow passage side with respect to the first turbine scroll flow passage; a partition plate configured to divide the first turbine scroll flow passage and the second turbine scroll flow passage in the axial direction; a first tongue portion that is provided at a position facing a downstream end of the first turbine scroll flow passage; and a second tongue portion that is provided at a position facing a downstream end of the second turbine scroll flow passage, a radial distance between an end portion of the second tongue portion on the partition plate side and the turbine impeller being different from a radial distance between an end portion of the first tongue portion on the partition plate side and the turbine impeller.

Inventor(s): Naoto SHIMOHARA

CPC Classification: F01D25/30 (Exhaust heads, chambers, or the like)

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