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. 06, 2019
Filed:
Jul. 15, 2015
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventor:
Todd A. Garcia, Mansfield, TX (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/12 (2006.01); B64C 27/10 (2006.01); B64C 27/82 (2006.01);
U.S. Cl.
CPC ...
B64C 27/12 (2013.01); B64C 27/10 (2013.01); B64C 27/82 (2013.01); B64C 2027/8236 (2013.01);
Abstract
A rotary wing aircraft and method of operating a tail drive system thereof, wherein the tail drive system includes a gearbox that contains a first transmissive device and a second transmissive device in parallel, each transmissive device having an input operatively connected to a first shaft that is powered by the main rotor drive system. The first and second transmissive devices each have an output operatively connected to a second shaft that drives the secondary rotary device.