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:
Feb. 25, 2020

Filed:

Aug. 01, 2016
Applicant:

United Technologies Corporation, Farmington, CT (US);

Inventor:

Michael A. Weisse, Tolland, CT (US);

Assignee:

UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/32 (2006.01); F01D 9/04 (2006.01); F01D 25/00 (2006.01); F04D 29/02 (2006.01); F04D 29/38 (2006.01);
U.S. Cl.
CPC ...
F04D 29/325 (2013.01); F01D 9/041 (2013.01); F01D 25/005 (2013.01); F04D 29/023 (2013.01); F04D 29/388 (2013.01); F05B 2240/302 (2013.01); F05B 2280/1021 (2013.01); F05B 2280/10304 (2013.01); F05B 2280/6003 (2013.01); F05D 2220/36 (2013.01); F05D 2230/60 (2013.01); F05D 2240/12 (2013.01); F05D 2240/30 (2013.01); F05D 2300/173 (2013.01); F05D 2300/174 (2013.01); F05D 2300/603 (2013.01);
Abstract

A fan blade includes a metallic body, a first composite cover, and a second composite cover. The metallic body may have a first side, a second side, a plurality of first retention slots, and a plurality of second retention slots, in accordance with various embodiments. The first and second retention slots may extend from the first side to the second side of the metallic body. The first composite cover may be coupled to the first side of the metallic body and may include a plurality of first fingers that extend through the first retention slots and are coupled to the second side of the metallic body. The second composite cover may be coupled to the second side of the metallic body and may include a plurality of second fingers that extend through the second retention slots and are coupled to the first side of the metallic body.


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