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:
Jul. 18, 2017
Filed:
Mar. 21, 2012
Xinqian Zheng, Beijing, CN;
Yun Lin, Beijing, CN;
Yangjun Zhang, Beijing, CN;
Chuanjie Lan, Beijing, CN;
Weilin Zhuge, Beijing, CN;
Tomoki Kawakubo, Tokyo, JP;
Hideaki Tamaki, Tokyo, JP;
Xinqian Zheng, Beijing, CN;
Yun Lin, Beijing, CN;
Yangjun Zhang, Beijing, CN;
Chuanjie Lan, Beijing, CN;
Weilin Zhuge, Beijing, CN;
Tomoki Kawakubo, Tokyo, JP;
Hideaki Tamaki, Tokyo, JP;
IHI Corporation, Tokyo, JP;
Abstract
A centrifugal compressor includes: a volute casing including a first casing and a second casing that are mutually coupled, the first casing including a volute chamber therein and the second casing including an impeller installation space therein; an impeller provided in the impeller installation space so as to be rotatable around a rotation axis; and a vaneless diffuser that has an inlet that communicates with an inside of the second casing and has an outlet that communicates with an inside of the first casing. The vaneless diffuser has a width having a non-axisymmetric distribution in the circumferential direction.