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:
Sep. 27, 1983
Filed:
Jun. 18, 1982
Applicant:
Inventors:
Joseph Davis, Vernon, CT (US);
Donald D Sidat, Willimantic, 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
A carbon seal for the bearing compartment for a gas turbine engine has radially extending passages in the rotating seal plate so arranged as to pump oil by centrifugal force from the space between the seal plate and the shaft into the bearing compartment surrounding the seal. With this seal plate no detrimental oil accumulation is permitted in this space.
Davis, Joseph. (1983). Oil weepage return for carbon seal plates (U.S. Patent No. 4406459). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4406459
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile