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:
Apr. 30, 1991
Filed:
Feb. 05, 1990
Applicant:
Inventor:
Bengt Sodergard, Vasby, SE;
Assignee:
ITT Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03B / ;
U.S. Cl.
CPC ...
4151211 ;
Abstract
The centrifugal pump having a closed type impeller with two cover discs and vanes therebetween. The inner parts of the vanes cooperate with a non-rotating insert part for cutting within the pump inlet. The lower cover disc together with the non-rotating insert part in the pump inlet creates a radial seal.