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:
Jan. 26, 1993
Filed:
Aug. 26, 1991
Applicant:
Inventors:
Alf Forssberg, Nykvan, SE;
Boris Fredriksson, Huddinge, SE;
Assignee:
ITT Flygt AB, Solna, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 62 ; 277 86 ; 277 / ; 277 / ; 277 65 ; 277 41 ; 277 15 ; 277 74 ;
Abstract
Two identical mechanical seals (6, 7) and (8, 9) respectively and an intermediate spring device (17) are arranged in a holder which is easily replaceable. The spring (17) is common for the two seals and is connected to sockets (13) and (14) respectively which anchor the rotating seal rings (6) and (8) respectively. The oil containment area (20) of the machine is connected to the area containing the spring (17).