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.
Patent No.:
Date of Patent:
Dec. 22, 2020
Filed:
Mar. 23, 2017
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Abstract
The present invention provides a centrifugal compressor () including: a first casing (); a second casing () which is disposed on a downstream side of the first casing () and has an outer diameter larger than an outer diameter of the first casing; a first impeller () which is disposed on a radially inner side of the first casing; a first return flow path () which is disposed on a radially inner side of the first casing; a second impeller () which is disposed on a radially inner side of the second casing and connected to a downstream side of the first return flow path (); an intermediate suction flow path () which is disposed on the radially inner side of the second casing and additionally supplies the fluid to a flow path between the first return flow path () and the second impeller (); and a second return flow path () which is disposed on the radially inner side of the second casing (), wherein an outer diameter of the intermediate suction flow path () and an outer diameter of the second return flow path () are larger than the outer diameter of the first casing ().