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:
Jun. 29, 1999
Filed:
Sep. 26, 1997
Applicant:
Inventor:
Eugene P Sabini, Skaneateles, NY (US);
Assignee:
Goulds Pumps, Incorporated, Seneca Falls, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
4151731 ; 4151701 ; 4151744 ; 4152081 ; 4151736 ;
Abstract
A volute pump having a suction volute, a discharge volute and an impeller. The volute pump further comprises a wearing ring seated between the interior walls of the suction volute and the impeller. The wearing ring has an accurate extended portion which extends into the passage of the suction volute to prevent flow separation caused by dead zones in the suction passage.