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. 27, 2021
Filed:
Feb. 03, 2020
Applicant:
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Inventors:
Jo Masutani, Tokyo, JP;
Shuichi Yamashita, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/30 (2006.01); F04D 17/12 (2006.01);
U.S. Cl.
CPC ...
F04D 29/30 (2013.01); F04D 17/122 (2013.01); F05B 2230/10 (2013.01); F05B 2240/12 (2013.01); F05B 2250/19 (2013.01);
Abstract
What is provided is a method of manufacturing a centrifugal rotary machine including: a fixing step Sof fixing a return vane body having a virtual airfoil curved forward in a rotation direction of a rotation shaft as it goes inward in a radial direction and formed by a pressure surface recessed forward in the rotation direction and a negative pressure surface protruding forward in the rotation direction onto a guide flow path; and a cutting step Sof forming a cut surface by cutting a portion including an inner radial end portion of the return vane body from the pressure surface to the negative pressure surface.