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:
Jun. 01, 1993
Filed:
Oct. 28, 1991
Applicant:
Inventors:
Alan L Webb, Cincinnati, OH (US);
Terry T Eckert, Fairfield, OH (US);
Assignee:
General Electric Company, Cincinnati, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F10D / ;
U.S. Cl.
CPC ...
4151737 ; 4151744 ; 415115 ; 277 53 ; 277 75 ; 277192 ;
Abstract
A labyrinth seal having a static honeycomb land and a toothed rotary land, an angled passage is formed in the honeycomb land to communicate cooling air from the static vane region of the interstage HP section of the turbine into the aft cavity which is bounded by the rotating stage two blade whereby the exiting cooling air will acquire a velocity component which is in the same direction as the rotating stage two blade.