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. 07, 1981
Filed:
Nov. 17, 1978
Applicant:
Inventors:
Robert A Frosch, , US;
Izhak Etsion, Haifa, IL;
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 96 ;
Abstract
A self-stabilizing radial face seal comprising an axial member, a primary seal ring juxtapositioned to a seal seat, at least one of said primary seal ring and seal seat being affixed to said axial member so as to rotate therewith, said primary seal ring having a front face which opposes a face of said seal seat, said seal having both high-pressure and low-pressure regions of fluid, said seal seat being provided with a porous ring-like circumferential structure in the face of said seal seat opposite said front face of said primary seal ring.