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. 11, 2020
Filed:
Feb. 15, 2017
Applicant:
Rolls-royce Corporation, Indianapolis, IN (US);
Inventor:
Dmitriy B. Sidelkovskiy, Ellington, CT (US);
Assignee:
Rolls-Royce Corporation, Indianapolis, IN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F02C 3/107 (2006.01); B64C 11/48 (2006.01); B64D 27/10 (2006.01); F01D 15/08 (2006.01); F01D 15/10 (2006.01); F04D 25/04 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); B64C 11/48 (2013.01); B64D 27/10 (2013.01); F01D 15/08 (2013.01); F01D 15/10 (2013.01); F02C 3/107 (2013.01); F04D 25/045 (2013.01); F05D 2220/32 (2013.01); F05D 2260/4031 (2013.01);
Abstract
A gas turbine engine is disclosed with a first spool having a first turbine connected to a first compressor through a first rotatable shaft; a second spool having a second turbine connected to a second compressor through a second rotatable shaft; and a gearbox having a power input port coupled to each of the first and second shafts and a power output port connected to a third shaft, wherein the rotational speed of the third shaft is lower than the rotational speed of each of the first and second shafts.