Title:
CENTRIFUGAL COMPRESSOR AND TURBOCHARGER
Document Type and Number:
WIPO Patent Application WO/2023/012882
Kind Code:
A1
Abstract:
In this centrifugal compressor, when a passage cross-section of a bypass passage at a connection point where the bypass passage and a compressor inlet passage are connected to each other is defined as an outlet cross-section of the bypass passage, a range of the outlet cross-section on the downstream side of the center of the outlet cross-section in the axial direction of an impeller and on the upstream side of the center in the rotation direction of the impeller is defined as a first range, and a portion of a passage wall surface of the bypass passage at the outlet cross-section that belongs to the first range is defined as a first-range wall surface portion, at least the first-range wall surface portion of the passage wall surface of the bypass passage at the outlet cross-section is formed from a curved line.
Inventors:
WATABE SHOTARO (JP)
IWAKIRI KENICHIRO (JP)
FUJITA YUTAKA (JP)
YAMADA YUKI (JP)
IWAKIRI KENICHIRO (JP)
FUJITA YUTAKA (JP)
YAMADA YUKI (JP)
Application Number:
PCT/JP2021/028667
Publication Date:
February 09, 2023
Filing Date:
August 02, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F02B39/00; F02B37/16
Domestic Patent References:
| WO2020012648A1 | 2020-01-16 | |||
| WO2020008615A1 | 2020-01-09 |
Foreign References:
| JP2012062822A | 2012-03-29 | |||
| DE102008014681A1 | 2009-10-15 | |||
| JP2015165110A | 2015-09-17 | |||
| US20120073287A1 | 2012-03-29 |
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
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