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. 07, 2021
Filed:
Jun. 19, 2019
Applicant:
Raytheon Technologies Corporation, Farmington, CT (US);
Inventors:
Paul R. Hanrahan, Farmington, CT (US);
Arthur M. Salve, Jr., Tolland, CT (US);
Daniel Bernard Kupratis, Wallingford, CT (US);
Assignee:
Raytheon Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); F02C 7/32 (2006.01); F02C 6/08 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F02C 7/32 (2013.01); F02C 6/08 (2013.01); F05D 2260/4023 (2013.01); F05D 2260/40311 (2013.01);
Abstract
A turbine engine includes a core engine including a first spool and a second spool rotatable about a main engine longitudinal axis, a boost spool powered by a secondary drive system, and an accessory gearbox coupled to the core engine and the boost spool. A differential gear system is coupled between the core engine, the boost spool and the accessory gearbox for distributing power between the boost spool, the core engine and the accessory gearbox.