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. 01, 1992
Filed:
Feb. 21, 1990
Applicant:
Inventors:
Christopher C Glynn, Hamilton, OH (US);
Byron E Swanson, West Chester, OH (US);
Melvin Bobo, Cincinnati, OH (US);
Assignee:
General Electric Company, Cincinnati, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
F16J / ; F01D / ;
U.S. Cl.
CPC ...
277 53 ; 4151744 ; 4151745 ;
Abstract
A rotating labyrinth seal especially useful for effecting sealing between two plenums in aircraft gas turbine engines comprising a base and a plurality of radially-directed seal teeth rings extending circumferentially around the outer peripheral surface of the base. Each of the seal teeth rings has a body portion and a tip portion, with the body portion being substantially thicker than the tip portion. Seal teeth rings of the invention exhibit improved resistance to fatigue crack propagation compared to conventional seal teeth rings.