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:
Jan. 31, 2017
Filed:
Apr. 18, 2012
Applicant:
Peer Springer, Neuhofen, DE;
Inventor:
Peer Springer, Neuhofen, DE;
Assignee:
KSB Aktiengesellschaft, Frankenthal, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/14 (2006.01); F04D 29/22 (2006.01); F04D 29/24 (2006.01);
U.S. Cl.
CPC ...
F01D 5/141 (2013.01); F04D 29/2294 (2013.01); F04D 29/242 (2013.01);
Abstract
An impeller of a centrifugal pump is provided. The impeller includes at least two blades () for conveying media containing solids. An impeller blade leading angle (β) is smaller than 0°. The blade angle (β) increases in a first section () until a value of 0° is reached. In a second section (), another increase occurs until a maximum value is reached. In a third section (), the blade angle (β) decreases again.