Birch, Stewart, Kolasch & Birch, LLP
Impeller, rotary machine, and turbocharger
This compressor wheel (3) is provided with a disc (22) which is formed in a disc shape and provided to be rotatable around a central axis (C); and a plurality of blades (23) provided on a disc surface (22f) facing a first side in the central axis (C) direction with an interval in a circumferential direction around the central axis (C). A rear surface (22r) of the disc (22) facing a second side in the central axis (C) direction has a convex curved surface (25) which is convex toward the second side in the central axis (C) direction at least part of a center portion of the disc (22).
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
F F F F F Y F F F F F F F F
F03D F04D F04D F03D F04D Y02E F04D F05D F05D F04D F04D F03D F04D F05D
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Tadashi Hiroaki Yutaka
Kanzaka Yoshizawa Fujita