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:
Mar. 11, 2025
Filed:
Feb. 28, 2020
Applicant:
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Kimihiko Mitsuda, Tokyo, JP;
Yuki Nakamura, Tokyo, JP;
Assignee:
MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/24 (2006.01); F04D 13/08 (2006.01); F04D 29/048 (2006.01);
U.S. Cl.
CPC ...
F04D 29/242 (2013.01); F04D 13/08 (2013.01); F04D 29/048 (2013.01);
Abstract
An impeller includes: main vanes which are provided in a front stage section of a hub so as to connect an outer surface of the front stage section and an inner surface of a shroud, and are arranged at intervals in a circumferential direction of the hub, wherein the main vanes generate an oblique flow of crude oil; and splitter vanes which are provided in a rear stage section of the hub so as to be connected to an outer surface of the rear stage section, and are arranged at intervals in the circumferential direction, wherein the splitter vanes generate an axial flow of the crude oil.