Impeller and rotating machine
AssigneeMitsubishi Heavy Industries Compressor Corporation
InventorsTakashi Oda, Nobuyori Yagi
Life of this patent
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Abstract
An impeller 40 includes a disk 41 having a disk shape centered on an axis O, a plurality of blades 42 provided on a disk main surface 413 of the disk 41 facing a first side Dau in an axial direction Da at intervals in a circumferential direction around the axis O, and a cover 43 that covers the plurality of blades 42 from the first side Dau and gradually expands in diameter from the first side Dau toward a second side Dad in the axial direction. The cover 43 has a thick portion 49 at a position distant from a first end portion 431 positioned closest to the first side, the thick portion having a thickness greater than the thickness of the first end portion 431.
Claims12
An impeller comprising:
- a disk having a disk shape centered on an axis;
- a plurality of blades provided on a front surface of the disk facing a first side in an axial direction at intervals in a circumferential direction around the axis;
- and
- a cover that covers the plurality of blades from the first side and gradually expands in diameter from the first side toward a second side in the axial direction,
- wherein the cover has a thick portion at a position distant from a first end portion positioned closest to the first side, the thick portion having a thickness greater than a thickness of the first end portion.
Dependencies are inferred from the claim text.