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:
Aug. 22, 2017
Filed:
Dec. 29, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
David P. Houston, Glastonbury, CT (US);
Daniel Bernard Kupratis, Wallingford, CT (US);
Frederick M. Schwarz, Glastonbury, CT (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F02C 3/04 (2006.01); F01D 5/06 (2006.01); F01D 9/04 (2006.01); F02K 3/06 (2006.01); F02K 1/78 (2006.01); F04D 29/32 (2006.01); F02C 3/107 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F01D 5/06 (2013.01); F01D 9/041 (2013.01); F02C 3/04 (2013.01); F02C 3/107 (2013.01); F02K 1/78 (2013.01); F02K 3/06 (2013.01); F04D 29/325 (2013.01); F05D 2220/323 (2013.01); F05D 2240/35 (2013.01); F05D 2260/40311 (2013.01);
Abstract
A gas turbine engine includes a very high speed low pressure turbine such that a quantity defined by the exit area of the low pressure turbine multiplied by the square of the low pressure turbine rotational speed compared to the same parameters for the high pressure turbine is at a ratio between about 0.5 and about 1.5.