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:
Mar. 05, 2002

Filed:

Dec. 30, 1999
Applicant:
Inventors:

Daniel P. Guinan, Hobe Sound, FL (US);

David J. Huber, Palm Beach Gardens, FL (US);

Gary M. Perkins, Palm Beach Gardens, FL (US);

Assignee:

United Technologies Corporation, Hartford, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02K 3/02 ;
U.S. Cl.
CPC ...
F02K 3/02 ;
Abstract

Accordingly, the present invention provides a ducting system for use on a gas turbine engine having two fans connected to a common shaft, and includes a primary inlet duct that is integral with a plurality of primary discharge ducts, a plurality of secondary inlet ducts that are integral with a secondary discharge duct, each of the ducts includes a port, the ports of the secondary inlet ducts are located radially outward of the port of the primary inlet duct, and the ports of the primary discharge ducts are located radially outward of the port of the secondary discharge duct.


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