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.:

US 6386827 B1

PDF
Full Text
Expired
Date of Patent:
May. 14, 2002

Filed:

Jul. 05, 2001
Applicant:
Inventors:

Yufeng Phillip Yu, Greenville, SC (US);

Gary Michael Itzel, Greenville, SC (US);

Assignee:

General Electric Company, Schenectady, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 9/04 ; F01D 2/526 ;
U.S. Cl.
CPC ...
F01D 9/04 ; F01D 2/526 ;
Abstract

A nozzle vane or airfoil structure is provided in which the nozzle ribs are connected to the side walls of the vane or airfoil in such a way that the ribs provide the requisite mechanical support between the concave side and convex side of the airfoil but are not locked in the radial direction of the assembly, longitudinally of the airfoil. The ribs may be bi-cast onto a preformed airfoil side wall structure or fastened to the airfoil by an interlocking slide connection and/or welding. By attaching the nozzle ribs to the nozzle airfoil metal in such a way that allows play longitudinally of the airfoil, the temperature difference induced radial thermal stresses at the nozzle airfoil/rib joint area are reduced while maintaining proper mechanical support of the nozzle side walls.


Find Patent Forward Citations

Yu, Yufeng. (2002). Nozzle airfoil having movable nozzle ribs (U.S. Patent No. 6386827). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6386827

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