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:
Jan. 31, 2012

Filed:

Apr. 06, 2009
Applicants:

Michael Parkin, S. Glastonbury, CT (US);

Phillip Alexander, Colchester, CT (US);

Carl Brian Klinetob, East Haddam, CT (US);

Steven Clarkson, Cheshire, CT (US);

Inventors:

Michael Parkin, S. Glastonbury, CT (US);

Phillip Alexander, Colchester, CT (US);

Carl Brian Klinetob, East Haddam, CT (US);

Steven Clarkson, Cheshire, CT (US);

Assignee:

United Technologies Corporation, Hartford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

An intermediate-manufactured composite airfoil includes first and second composite skins each having a plurality of fibers in a polymer matrix. A composite core is removably located between the first and second composite skins. The composite core includes a dry, three-dimensional, woven fiber network. The composite core may alternatively include a three-dimensional, woven fiber network in a fully cured polymer matrix.


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