Title:
CENTRIFUGAL COMPRESSOR AND TURBOCHARGER COMPRISING SAID CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/087385
Kind Code:
A1
Abstract:
An angle of inclination, which is formed by a direction perpendicular to an axis of rotation and a tangential direction of an end edge on the impeller-radially outer side of a concave arcuate portion that, in the radial direction of an impeller, is the outermost of at least one concave arcuate portion, has a distribution along the circumferential direction of a scroll flow channel. When a circumferential position within the scroll flow channel, which leads from a tongue part of a scroll part to an outlet of the scroll flow channel, is represented by a center angle centered about the axis of rotation with the tongue part as a reference, the distribution of the angle of inclination has a minimum value or lowest value within a center angle range of 30° to 210°.
Inventors:
IWAKIRI KENICHIRO (JP)
Application Number:
PCT/JP2017/039909
Publication Date:
May 09, 2019
Filing Date:
November 06, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F04D29/44; F02B39/00
Domestic Patent References:
| WO2012090853A1 | 2012-07-05 | |||
| WO2017109949A1 | 2017-06-29 |
Foreign References:
| JP2010216378A | 2010-09-30 | |||
| JP2012193716A | 2012-10-11 | |||
| JP2016017419A | 2016-02-01 |
Other References:
See also references of EP 3708848A4
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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