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:
Dec. 17, 2019
Filed:
May. 23, 2016
Applicant:
United Technologies Corporation, Farmington, CT (US);
Inventors:
David Allen Stachowiak, Manchester, CT (US);
William G. Sheridan, Southington, CT (US);
Assignee:
UNITED TECHNOLOGIES CORPORATION, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/36 (2006.01); F02C 7/32 (2006.01); F01D 21/00 (2006.01); B64D 27/16 (2006.01); B64D 35/00 (2006.01); B64D 41/00 (2006.01);
U.S. Cl.
CPC ...
F01D 25/36 (2013.01); B64D 27/16 (2013.01); B64D 35/00 (2013.01); F01D 21/00 (2013.01); F02C 7/32 (2013.01); B64D 2041/002 (2013.01); B64D 2041/005 (2013.01); F05D 2260/20 (2013.01); F05D 2270/114 (2013.01);
Abstract
A bowed rotor prevention system for a gas turbine engine of an aircraft is provided. The bowed rotor prevention system includes a gear train and a bowed rotor prevention motor. The gear train is coupled through an engine accessory to an engine accessory gearbox that is further coupled to a starting spool of the engine. The bowed rotor prevention motor is operable to drive rotation of the starting spool of the gas turbine engine through the gear train upon engine shutdown.