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:
May. 18, 2021

Filed:

Nov. 27, 2018
Applicant:

Rolls-royce North American Technologies Inc., Indianapolis, IN (US);

Inventors:

John Kusnierek, Springfield, OH (US);

Matthew J. Starr, Indianapolis, IN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/277 (2006.01); F01D 15/10 (2006.01); F02C 7/32 (2006.01); F16H 1/22 (2006.01); F01D 19/00 (2006.01); F02C 7/275 (2006.01); F02K 3/06 (2006.01);
U.S. Cl.
CPC ...
F02C 7/277 (2013.01); F01D 15/10 (2013.01); F01D 19/00 (2013.01); F02C 7/275 (2013.01); F02C 7/32 (2013.01); F16H 1/22 (2013.01); F02K 3/06 (2013.01); F05D 2220/32 (2013.01); F05D 2260/4031 (2013.01); F05D 2260/85 (2013.01);
Abstract

A system for starting a turbine engine is provided. The system may comprise a gearbox, a first starter, and a second starter. The gearbox may have an gearbox input shaft. The gearbox input shaft may be rotationally coupled to a spool of the turbine engine. The first starter may have a first-starter shaft. The second starter may have a second-starter shaft. The second-starter shaft may be coaxial with the first-starter shaft. The first starter and the second starter may each be coupled to the gearbox input shaft independently of one another.


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