Title:
COMPRESSOR COVER, CENTRIFUGAL COMPRESSOR, TURBOCHARGER, METHOD FOR MANUFACTURING COMPRESSOR COVER, AND DIFFUSER FOR CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2023/188246
Kind Code:
A1
Abstract:
Provided is an annular compressor cover forming a passage wall of a diffuser passage in a centrifugal compressor, wherein, when the end-of-winding position of a scroll passage of the centrifugal compressor is defined as the 360° position of the compressor cover in the circumferential direction, the direction in which a fluid flows through the scroll passage in the circumferential direction is defined as the positive direction of positions in the circumferential direction, and the distance between outlets of the diffuser passage at each position in the circumferential direction and the central axis of the inner circumferential surface of the compressor cover is defined as the diffuser radius, the average value of the diffuser radius in a range up to 180° from the position of a tongue section of the scroll passage in the circumferential direction is smaller than the average value of the diffuser radius in a range from 180° to 360° in the circumferential direction.
Inventors:
KANZAKA TADASHI (JP)
Application Number:
PCT/JP2022/016462
Publication Date:
October 05, 2023
Filing Date:
March 31, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F02B39/00; F04D29/44
Domestic Patent References:
| WO2020240775A1 | 2020-12-03 | |||
| WO2016002037A1 | 2016-01-07 | |||
| WO2017109949A1 | 2017-06-29 |
Foreign References:
| JP2010529358A | 2010-08-26 |
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
Download PDF: