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:
Feb. 03, 1976
Filed:
Aug. 10, 1973
Applicant:
Inventors:
Gerhard W Walter, Hamburg, DT;
Gunter W Pietsch, Hamburg, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 59 ; 277 15 ; 277 68 ;
Abstract
A shaft seal of the kind in which at least two sealing rings are spaced at axially from one another on a rotatable shaft or on a bush fastened to the shaft is provided between the sealing rings with one or more deflectors which are spaced from the sealing rings and are engageable with the shaft or bush and act to deflect and whirl liquid lubricant circulating between the sealing rings so as to improve circulation of the lubricant and lengthen the life of the seals.