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. 14, 2023
Filed:
Jul. 24, 2018
Applicant:
Ksb SE & Co. Kgaa, Frankenthal, DE;
Inventor:
Peer Springer, Frankenthal, DE;
Assignee:
KSB SE & Co. KGaA, Frankenthal, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/24 (2006.01); F04D 7/04 (2006.01);
U.S. Cl.
CPC ...
F04D 29/24 (2013.01); F04D 7/04 (2013.01);
Abstract
An impeller for centrifugal pumps having at least one blade for delivering solids-containing media has, between a leading edge of the blade and a circumferential direction, an angle α, and between a leading edge of the blade and a meridional direction, an angle β. Depending on the dominant speed, the associated angles α, β are less than 90°, preferably less than 70°, in particular less than 50°.