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:
Jul. 04, 2000
Filed:
Aug. 20, 1997
Applicant:
Inventors:
Guy Gardner Williamson, Framingham, MA (US);
Amitava Datta, East Greenwich, RI (US);
Luciano Rossi, Bologna, IT;
Jackson Robert Pressley, Albuquerque, NM (US);
Assignee:
John Crane Inc., Morton Grove, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277317 ; 277318 ; 277319 ; 73756 ;
Abstract
A rotary shaft monitoring seal system includes a seal housing; a seal assembly in the housing for sealingly engaging a rotary shaft to prevent fluid leakage between the shaft and the housing; a monitoring port in the housing; and a detector assembly mounted in the port for sensing conditions in the vicinity of the seal assembly.