Title:
COMPRESSOR HOUSING, AND CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/234886
Kind Code:
A1
Abstract:
This compressor housing has formed therein an inlet flow passage including an inflow port formed in a shroud surface, an outlet flow passage including an outflow port formed in a guide surface formed on the front side of the shroud surface, and a recirculating flow passage connecting the inlet flow passage and the outlet flow passage, wherein: an intake guide portion of the compressor housing includes a front side surface defining the front side of the outlet flow passage, a rear side surface defining the rear side of the outlet flow passage, and a front side guide surface formed farther toward the front side than the inflow port in the guide surface; each of the front side surface, the rear side surface, and the front side guide surface is inclined rearward from the outside toward the inside in the radial direction; the rear side surface includes a convex curved surface portion; and the front side guide surface includes a guide surface side convex curved portion.
Inventors:
IWAKIRI KENICHIRO (JP)
KANZAKA TADASHI (JP)
FUJITA YUTAKA (JP)
HONDA HIRONORI (JP)
KANZAKA TADASHI (JP)
FUJITA YUTAKA (JP)
HONDA HIRONORI (JP)
Application Number:
PCT/JP2020/020043
Publication Date:
November 25, 2021
Filing Date:
May 21, 2020
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F04D29/44
Foreign References:
| US20110255952A1 | 2011-10-20 | |||
| US20090263234A1 | 2009-10-22 | |||
| US6623239B2 | 2003-09-23 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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