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:
Mar. 12, 2024

Filed:

Mar. 24, 2022
Applicant:

Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;

Inventors:

Akihiro Nakaniwa, Tokyo, JP;

Koji Maeta, Tokyo, JP;

Takashi Oda, Hiroshima, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F04D 17/10 (2006.01);
U.S. Cl.
CPC ...
F04D 29/663 (2013.01); F04D 17/10 (2013.01);
Abstract

A compressor includes a rotation shaft which rotates around an axis, an impeller which press-feeds a fluid from one side in an axial direction toward an outward side in a radial direction by rotating together with the rotation shaft, a casing which surrounds the rotation shaft and the impeller and in which an exit flow channel for introducing a fluid press-fed from the impeller is formed, and an acoustic liner which is provided so as to face the inside of the exit flow channel in the casing. The acoustic liner has a plurality of open hole portions which are arranged with intervals therebetween, and acoustic spaces which communicate with the open hole portions and are independently provided for the respective open hole portions.


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