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:
Nov. 10, 2020
Filed:
Nov. 29, 2016
Applicant:
Atlas Copco Airpower, Naamloze Vennootschap, Wilrijk, BE;
Inventor:
Aleksandr Pulnikov, Wilrijk, BE;
Assignee:
ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP, Wilrijk, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/28 (2006.01); F04D 29/02 (2006.01); B22F 5/04 (2006.01); B33Y 80/00 (2015.01); B22F 5/00 (2006.01); B33Y 10/00 (2015.01); B22F 3/00 (2006.01); B22F 3/105 (2006.01);
U.S. Cl.
CPC ...
F04D 29/284 (2013.01); B22F 3/008 (2013.01); B22F 5/009 (2013.01); B22F 5/04 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F04D 29/023 (2013.01); B22F 3/1055 (2013.01); F05D 2230/22 (2013.01); F05D 2230/31 (2013.01); Y02P 10/25 (2015.11);
Abstract
A method for manufacturing closed impellers with internal cavities. Impellers that are manufactured according to the method have a smaller mass and enable a higher operating efficiency to be attained.