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:
Aug. 14, 1990
Filed:
May. 04, 1989
Applicant:
Inventor:
Duane Mosure, Poplar Grove, IL (US);
Assignee:
Sundstrand Corporation, Rockford, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
4151721 ; 4151736 ; 4151742 ; 277 27 ; 277152 ;
Abstract
A seal for a pump impeller (22) comprising an annular ring (50) freely received within a cylindrical opening (56) in the pump housing (12) and disposed around a cylindrical portion of the impeller (22).