Title:
COMPRESSOR SCROLL SHAPE AND SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2018/179112
Kind Code:
A1
Abstract:
Regarding the compressor scroll shape and an exhaust turbine supercharger (11) according the present invention, the compressor scroll shape for spirally forming the flow path of a fluid discharged from a diffuser (36) provided to the downstream side, in a fluid flowing direction, of a compressor (13) is configured such that, when the passage cross-sectional area of a scroll part (41) is denoted as A, and the radius from the center (L1) of a compressor impeller (26) to the center (P1) of the passage cross-section of the scroll part (41) is denoted as R, the degree of increase of a ratio (A/R) is set to be increased in a region from the winding start position to the winding end position of the scroll part (41).
Inventors:
IWAKIRI KENICHIRO (JP)
Application Number:
PCT/JP2017/012757
Publication Date:
October 04, 2018
Filing Date:
March 28, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F04D29/44
Foreign References:
| JP2015183670A | 2015-10-22 | |||
| JP6053993B1 | 2016-12-27 | |||
| JP2002202098A | 2002-07-19 | |||
| JPS5439423B2 | 1979-11-28 |
Other References:
See also references of EP 3561311A4
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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