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. 23, 2026
Filed:
May. 11, 2023
Applicant:
Textron Innovations Inc., Providence, RI (US);
Inventors:
Nathaniel Ross Bernklau, Keller, TX (US);
Charles Eric Covington, Colleyville, TX (US);
Assignee:
Textron Innovations Inc., Providence, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F16N 29/00 (2006.01); G01F 23/292 (2006.01); F16H 57/02 (2012.01);
U.S. Cl.
CPC ...
F16H 57/0449 (2013.01); F16N 29/00 (2013.01); G01F 23/2924 (2013.01); F16H 2057/02043 (2013.01); F16N 2210/08 (2013.01); F16N 2210/12 (2013.01); F16N 2250/18 (2013.01);
Abstract
An aircraft is described and includes an aircraft body, a gearbox housing containing a lubricant, and a remote gearbox lubricant level gauging (RGLLG) system including a light source that when activated illuminates an interior of the gearbox housing; at least one light tube for transmitting light from inside the gearbox housing to an observer end of the RGLLG system, and at least one indicator at the observer end of for indicating a level of the lubricant contained within the gearbox based on the light transmitted via the at least one light tube.