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.:
Date of Patent:
May. 15, 2012
Filed:
Sep. 09, 2009
Jams W. Norris, Lebanon, CT (US);
Alan Epstein, Lexington, MA (US);
Gary D. Roberge, Tolland, CT (US);
Mark W. Costa, Storrs, CT (US);
Andrew P. Berryann, Coventry, CT (US);
Daniel B. Kupratis, Wallingford, CT (US);
Jams W. Norris, Lebanon, CT (US);
Alan Epstein, Lexington, MA (US);
Gary D. Roberge, Tolland, CT (US);
Mark W. Costa, Storrs, CT (US);
Andrew P. Berryann, Coventry, CT (US);
Daniel B. Kupratis, Wallingford, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
A gas turbine engine comprises a fan drive gear system, a low spool connected to the fan drive gear system, and a high spool disposed aft of the low spool. The low spool comprises a rearward-flow low pressure compressor disposed aft of the fan drive gear system, and a forward-flow low pressure turbine disposed aft of the low pressure compressor. The high spool comprises a forward-flow high pressure turbine disposed aft of the low pressure turbine, a combustor disposed aft of the high pressure turbine, and a forward-flow high pressure compressor disposed aft of the combustor.