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Patent Searching and Data


Title:
CENTRIFUGAL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/003632
Kind Code:
A1
Abstract:
In this compressor (3), a scroll (7A) is provided with a winding end section (71b), a discharge section (72) connected to the winding end section (71b), a winding start section (71a) connected to the discharge section (72), and a flow path inner surface (7a). When a projection plane (PP) is postulated for a case in which a viewpoint (E) is placed on the rotational axis (X) of a compressor impeller (17) and on a fluid intake side with respect to the scroll (7A), the flow path inner surface (7a) is projected on the projection plane (PP) and the flow path inner surface (7a) on the projection plane (PP) is provided with a protrusion (75A) that has a curved shape and that protrudes further outward than a reference straight line (L) when a reference start point (Ba) on the rotational axis (X) side in a part connecting the winding start section (71a) and the discharge section (72) and a reference end point (Bb) on the rotational axis (X) side in the winding end section (71b) are postulated and a reference straight line (L) connecting the reference start point (Ba) and the reference end point (Bb) on the projection plane (PP) is postulated.

Inventors:
UENO TAKAHIRO (JP)
Application Number:
PCT/JP2017/022876
Publication Date:
January 04, 2018
Filing Date:
June 21, 2017
Export Citation:
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Assignee:
IHI CORP (JP)
International Classes:
F04D29/44; F02B39/00
Foreign References:
JP2015227619A2015-12-17
JP2008163803A2008-07-17
JP2011099413A2011-05-19
US20050232762A12005-10-20
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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