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:
Nov. 23, 2010
Filed:
Nov. 03, 2005
Colin D. Craig, West Hartford, CT (US);
Enzo Dibenedetto, Torrington, CT (US);
Christopher P. Kmetz, Amston, CT (US);
Jonathan L. Miller, East Hampton, CT (US);
Mark R. Sondeen, West Hartford, CT (US);
Colin D. Craig, West Hartford, CT (US);
Enzo Dibenedetto, Torrington, CT (US);
Christopher P. Kmetz, Amston, CT (US);
Jonathan L. Miller, East Hampton, CT (US);
Mark R. Sondeen, West Hartford, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
A face seal includes a seal seat and a seal element carried by a seal housing. The seal element cooperates with the seal seat to establish a seal. The housing includes a support for the seal element and a shroud for effecting a gradual transition between a normal condition and a deteriorated condition. The shroud may have a tip whose properties differ in lubricity, hardness or abradability relative to other portions of the seal housing.