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:
Sep. 21, 2021
Filed:
Feb. 22, 2018
Mitsubishi Heavy Industries Compressor Corporation, Tokyo, JP;
Shuichi Yamashita, Tokyo, JP;
Abstract
A casing surrounds a rotary shaft and impellers (), and includes a return flow path through which a fluid discharged from the impeller () on a front stage side between the impellers () adjacent to each other is guided inward in a radial direction so as to be introduced to the impeller () on a rear stage side, and a plurality of return vanes () disposed at an interval in a circumferential direction inside the return flow path. An exit angle of the return vane () is inclined forward in a rotation direction of the impeller (), according to the radial direction, and the exit angle of the return vane () decreases toward the return vane () on the rear stage side.