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. 26, 2024
Filed:
Mar. 04, 2020
Applicant:
Ksb SE & Co. Kgaa, Frankenthal, DE;
Inventors:
Peter Amann, Birkenheide, DE;
Holger Lutz, Frankenthal, DE;
Assignee:
KSB SE & Co. KGaA, Frankenthal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 1/06 (2006.01); F04D 29/42 (2006.01); F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
F04D 1/063 (2013.01); F04D 29/426 (2013.01); F04D 29/445 (2013.01); F05D 2250/52 (2013.01);
Abstract
A centrifugal pump having a barrel casing and at least one stage casing therein includes a transition from the last stage casing to the pressure connector of the barrel casing in the form of a spiral flow space. The contour of the spiral flow space is formed by a contour of the last stage casing, a contour of a cover which closes the barrel casing on an end face, and an inner contour of the barrel casing.