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:
Nov. 22, 2016
Applicant:
Rolls-royce North American Technologies, Inc., Indianapolis, IN (US);
Inventor:
Richard K. Keller, Indianapolis, IN (US);
Assignee:
Rolls-Royce North American Technologies Inc., Indianapolis, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64D 27/12 (2006.01); B64D 29/02 (2006.01); B64D 33/04 (2006.01); B64D 33/08 (2006.01); B64D 35/02 (2006.01); F01D 15/12 (2006.01); F01D 25/24 (2006.01); F01D 25/30 (2006.01); F02C 7/04 (2006.01);
U.S. Cl.
CPC ...
B64D 27/12 (2013.01); B64D 29/02 (2013.01); B64D 33/04 (2013.01); B64D 33/08 (2013.01); B64D 35/02 (2013.01); F01D 15/12 (2013.01); F01D 25/24 (2013.01); F01D 25/30 (2013.01); F02C 7/04 (2013.01); B64D 2033/045 (2013.01); F05D 2220/323 (2013.01);
Abstract
An airplane including an airframe and a turboprop propulsion system is disclosed in this paper. The turboprop propulsion system includes a propeller mounted for rotation about a propeller axis and a gas turbine coupled to the propeller to drive rotation of the propeller.