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:
Jul. 05, 2022

Filed:

Jul. 13, 2018
Applicant:

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

Inventors:

Yoshihiro Hayashi, Tokyo, JP;

Yutaka Fujita, Tokyo, JP;

Kenichiro Iwakiri, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/42 (2006.01); F04D 29/44 (2006.01); F04D 17/10 (2006.01);
U.S. Cl.
CPC ...
F04D 29/4213 (2013.01); F04D 29/441 (2013.01); F04D 17/10 (2013.01); F04D 29/4253 (2013.01); F05D 2220/40 (2013.01); F05D 2250/51 (2013.01);
Abstract

A centrifugal compressor includes an impeller, a compressor inlet pipe for guiding air to the impeller, a scroll passage disposed on an outer peripheral side of the impeller, and a bypass passage connecting the compressor inlet pipe and the scroll passage and bypassing the impeller. In a cross-section perpendicular to an axis of the compressor inlet pipe, when Ais a connection portion on a downstream side in a rotational direction of the impeller of connection portions between an inner wall surface of the compressor inlet pipe and an inner wall surface of the bypass passage, C is a virtual circle constituting the inner wall surface of the compressor inlet pipe, and Lis a tangent line of the virtual circle C at the connection portion A, the inner wall surface of the bypass passage is formed from the connection portion Aalong the tangent line L


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