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:
Dec. 27, 2022
Filed:
Dec. 04, 2017
Applicant:
Hanwha Power Systems Co., Ltd, Changwon-si, KR;
Inventors:
Robert Pelton, Houston, TX (US);
Karl Wygant, Houston, TX (US);
Assignee:
HANWHA POWER SYSTEMS CO., LTD, Changwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 17/12 (2006.01);
U.S. Cl.
CPC ...
F04D 29/286 (2013.01); F04D 17/12 (2013.01);
Abstract
A dual impeller includes: a hub configured to rotate about a rotation axis; a plurality of first blades which are disposed on a first surface of the hub along a circumferential direction of the hub; a first shroud which is mounted on the plurality of first blades to cover the plurality of first blades; and a plurality of second blades which are disposed on a first surface of the first shroud along a circumferential direction of the first shroud.