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:
Jun. 13, 2017
Filed:
Jun. 28, 2013
Applicant:
Sikorsky Aircraft Corporation, Stratford, CT (US);
Inventors:
Stephen R. Sammataro, Madison, CT (US);
Ryan Patry, Hamden, CT (US);
Assignee:
SIKORSKY AIRCRAFT CORPORATION, Stratford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B64C 27/00 (2006.01); F16H 57/04 (2010.01); B64C 27/12 (2006.01);
U.S. Cl.
CPC ...
F16H 57/0442 (2013.01); B64C 27/12 (2013.01); F16H 57/045 (2013.01); F16H 57/0431 (2013.01); Y10T 74/19991 (2015.01); Y10T 74/19995 (2015.01);
Abstract
A helicopter is provided and includes an engine, a rotor, a gear train configured to transmit torque from the engine to the rotor such that the rotor is rotatable about an axis of rotation, a primary lubrication system, which is configured to supply the gear train with a fluid and a secondary lubrication system disposed in a gear of the gear train, including a fluid reservoir, which is configured to receive and store the fluid and to continue to supply the gear train with the fluid following a failure of the primary lubrication system.