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:
Mar. 26, 2019
Filed:
Jul. 12, 2016
Applicant:
Airbus Helicopters, Marignane, FR;
Inventor:
Lionel Thomassey, Fos Sur Mer, FR;
Assignee:
Airbus Helicopters, Marignane, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 55/22 (2006.01); F02C 7/32 (2006.01); F16H 1/12 (2006.01); F16H 1/22 (2006.01); B64C 27/14 (2006.01); B64D 33/02 (2006.01); F16H 55/17 (2006.01);
U.S. Cl.
CPC ...
F16H 1/12 (2013.01); B64C 27/14 (2013.01); F02C 7/32 (2013.01); F16H 55/22 (2013.01); B64D 2033/0213 (2013.01); F05D 2260/4031 (2013.01); F16H 1/222 (2013.01); F16H 2055/173 (2013.01);
Abstract
A power transmission gearbox having at least one driving gear with spur teeth presenting a large radius. The gearbox includes at least one mechanical outlet drive system suitable for driving an accessory, the mechanical outlet drive system having a gear with face teeth referred to as an 'accessory pinion', the accessory pinion presenting a 'small' radius (R) lying orthogonally between each face tooth and its axis of rotation, the small radius (R) being smaller than the large radius (R).