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.

Date of Patent:
Jun. 12, 1984

Filed:

Jun. 18, 1981
Applicant:
Inventor:

James W Brantley, Fairfield, OH (US);

Assignee:

General Electric Company, Cincinnati, OH (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B63H / ; B64C / ;
U.S. Cl.
CPC ...
4162 / ; 416221 ;
Abstract

In one embodiment, a fan blade includes an airfoil portion, a platform portion, a shank portion, and a generally axial dovetail portion of a predetermined axial dimension for matingly engaging a generally axial dovetail receiving slot of substantially the same predetermined axial dimension in a fan disk member. Aft cleat means, including a portion having substantially the same cross section as the dovetail portion, is provided and is integral with the dovetail portion and projects generally axially therefrom. The aft cleat means strengthens the dovetail portion. Methods are provided for fabricating such a blade and for strengthening existing blades. Other embodiments are disclosed.


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