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:
Sep. 28, 2021

Filed:

Aug. 30, 2018
Applicant:

Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;

Inventors:

Akihiro Nakaniwa, Tokyo, JP;

Akinori Tasaki, Hiroshima, JP;

Daisuke Hirata, Hiroshima, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 17/12 (2006.01); F04D 29/44 (2006.01); F04D 1/06 (2006.01); F04D 29/28 (2006.01);
U.S. Cl.
CPC ...
F04D 29/441 (2013.01); F04D 1/06 (2013.01); F04D 17/122 (2013.01); F04D 29/286 (2013.01); F05B 2240/12 (2013.01);
Abstract

A centrifugal compressor is provided with a plurality of diaphragms including a first diaphragm and a second diaphragm which are adjacent to each other in an axial direction, a casing disposed on a radially outer side of the plurality of diaphragms and accommodating an internal component including the plurality of diaphragms, at least one axial spacer disposed between the first diaphragm and the second diaphragm, and a scroll flow passage formed by a scroll inner peripheral wall and a scroll outer peripheral wall. The scroll inner peripheral wall is formed by a surface of the first diaphragm positioned on a radially inner side of an outer peripheral surface of the first diaphragm. At least a part of the scroll outer peripheral wall is formed by an inner peripheral surface of the casing.


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