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:
May. 29, 1990
Filed:
Apr. 07, 1988
Applicant:
Inventors:
Harold K Shaffer, Tolland, CT (US);
Roger M Barnsby, Manchester, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F16J / ;
U.S. Cl.
CPC ...
277 25 ; 277 74 ; 277 75 ;
Abstract
Seal 20 and seal ring 26 form annulus 36 which collects weepage oil which is removed through holes 54. Air flow pumped by face 58 of seal ring 26 is minimized by locating flange 64 close to the outer radius of the seal ring, thereby facilitating collection of all weepage oil.