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US 2020/0116158 A1Published application
Compressor impeller, compressor, and turbocharger
AssigneeMitsubishi Heavy Industries Engine & Turbocharger, Ltd.
InventorKenichiro IWAKIRI
Life of this patent
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Abstract
A compressor impeller includes an impeller body which includes a boss portion and a plurality of compressor blades disposed on an outer peripheral surface of the boss portion, and a connection portion which is disposed on a side of a back surface of the impeller body and is configured to be connectable to one end of a rotational shaft. A ratio D1/D2 satisfies 0.18 or less, where D1 is a diameter of the boss portion on leading edges of the compressor blades, and D2 is a maximum outer diameter of the compressor blades.
Claims10
A compressor impeller comprising:
- an impeller body which includes a boss portion and a plurality of compressor blades disposed on an outer peripheral surface of the boss portion;
- and
- a connection portion which is disposed on a side of a back surface of the impeller body and is configured to be connectable to one end of a rotational shaft,
- wherein a ratio D1/D2 satisfies 0.18 or less, where D1 is a diameter of the boss portion on leading edges of the compressor blades, and D2 is a maximum outer diameter of the compressor blades.
1 more element
Dependencies are inferred from the claim text.