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:
Feb. 25, 1997
Filed:
Nov. 15, 1995
Applicant:
Inventors:
Samuel M Boszor, Palm Beach Gardens, FL (US);
Stuart A Sanders, Palm Beach Gardens, FL (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
415200 ; 2988971 ; 4162 / ; 416230 ; 4162 / ;
Abstract
Stator vanes located between compressor stages in a gas turbine engine are fabricated with a composite outer shell made of graphite fibers in an epoxy binder that is laid-up over a core of felt-like material selected to have an elongation velocity that is greater than the elongation velocity of the shell.