The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 03, 2021

Filed:

Oct. 29, 2015
Applicant:

Mitsubishi Heavy Industries Engine & Turbocharger, Ltd., Sagamihara, JP;

Inventors:

Kenichiro Iwakiri, Tokyo, JP;

Isao Tomita, Tokyo, JP;

Takashi Shiraishi, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/42 (2006.01); F04D 29/44 (2006.01); F04D 29/66 (2006.01); F04D 17/10 (2006.01); F04D 29/28 (2006.01);
U.S. Cl.
CPC ...
F04D 29/4206 (2013.01); F04D 29/422 (2013.01); F04D 29/44 (2013.01); F04D 29/441 (2013.01); F04D 29/667 (2013.01); F04D 17/10 (2013.01); F04D 29/284 (2013.01);
Abstract

A scroll casing forms a scroll flow passage of a centrifugal compressor, and provided that, in a cross section of the scroll flow passage, Ei is an inner end of the scroll flow passage in a radial direction of the centrifugal compressor, and Mh is a middle point of a maximum flow-passage height Hmax of the scroll flow passage in the axial direction of the centrifugal compressor, the scroll flow passage has a separation suppressing cross section in which the inner end Ei is disposed on an inner side, in the radial direction, of a diffuser outlet, and the inner end Ei is disposed on a back side, in the axial direction, of the middle point Mh, in a section disposed at least partially in an upstream region of a connection position of a scroll start and a scroll end.


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