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:
Aug. 24, 2021
Filed:
Feb. 01, 2016
Applicant:
Atlas Copco Airpower, Naamloze Vennootschap, Wilrijk, BE;
Inventors:
Aleksandr Pulnikov, Wilrijk, BE;
Edwin Emiel Roskam, Wilrijk, BE;
Assignee:
ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP, Wilrijk, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H 1/16 (2006.01); F04D 29/28 (2006.01); B22F 5/00 (2006.01); F04D 29/02 (2006.01); B22F 10/20 (2021.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01); B29C 64/153 (2017.01); B28B 1/00 (2006.01); F04D 29/053 (2006.01); F04D 29/26 (2006.01); F04D 29/30 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); B22F 5/009 (2013.01); B22F 10/20 (2021.01); B28B 1/001 (2013.01); B29C 64/153 (2017.08); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F04D 29/023 (2013.01); F04D 29/053 (2013.01); F04D 29/266 (2013.01); F04D 29/30 (2013.01); B22F 2005/004 (2013.01); B29L 2031/7504 (2013.01); F05D 2230/22 (2013.01); F05D 2230/31 (2013.01); Y02P 10/25 (2015.11);
Abstract
An impeller includes a central, shaft or a tube for mounting on a shaft, a hollow hub is located around the shaft or tube, and a series of blades are attached to the outside of the hub by their bases. A reinforcing rib is provided for each blade, and extends on the shaft or tube in a radial direction and forms a facial connection between the shaft or tube and the inside of the hub at a position opposite the attachment of the base of a blade concerned.