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:
Jun. 01, 2021
Filed:
Mar. 02, 2017
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Shin Yanagisawa, Tokyo, JP;
Akihiro Nakaniwa, Tokyo, JP;
Eiichi Yanagisawa, Tokyo, JP;
Kazutoshi Yoko, Tokyo, JP;
Daisuke Hirata, Hiroshima, JP;
Takanori Matsueda, Hiroshima, JP;
Abstract
A rotary machine includes: a casing; a rotor that includes a rotatable rotary shaft located inside the casing, and a plurality of stages of impellers fixed to an outer periphery of the rotary shaft; a diaphragm group including diaphragms that are respectively provided in the plurality of stages of the impellers; gas flow paths provided respectively corresponding to the impellers and through which process gas to be compressed flows; and a discharge volute connected to the gas flow paths. The discharge volute is provided to expand inward in an axis line direction of the casing.