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:
Dec. 26, 1995
Filed:
Apr. 06, 1994
Applicant:
Inventors:
Sonke Brodersen, Schriesheim, DE;
Peter Hergt, Ludwigshafen, DE;
Wolfgang Metzinger, Pegnitz, DE;
Paul Krieger, Mutterstadt, DE;
Assignee:
KSB Aktiengesellschaft, Frankenthal, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ; F04D / ;
U.S. Cl.
CPC ...
415206 ; 4161 / ; 416228 ; 416234 ;
Abstract
A centrifugal pump impeller for delivering solids-containing media includes a blade having a beginning portion. In the plane of the middle blade surface, there is, in front of the blade beginnings, a very fiat transition from the impeller covering disks to the blade beginnings.