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:
Oct. 14, 2025
Filed:
Jan. 26, 2023
Leonardo S.p.a., Rome, IT;
Gabriele Delvecchio, Samarate, IT;
Marco Ernesto Tamborini, Samarate, IT;
Paolo Pisani, Samarate, IT;
Diego Scaltritti, Samarate, IT;
Lorenzo Alari, Samarate, IT;
LEONARDO S.P.A., Rome, IT;
Abstract
Transmission assembly for an aircraft capable of hovering, comprising: a first and a second member and support means of the first member with respect to the second member; a primary lubrication circuit comprising a primary tank of a lubricating fluid and primary fluidic supply means for supplying fluid to the support means; and an emergency lubrication circuit comprising an emergency tank of lubricating fluid fluidically connected to the primary tank; and auxiliary fluidic supply means of the lubricating fluid to the support means, comprising a nozzle; the auxiliary fluidic supply means comprise a dosing device and a fluidic line, which fluidically connects the emergency tank with the dosing device; the dosing device comprising a passage for the lubricating fluid from the fluidic line to the nozzle, which comprises a plurality of concentrated pressure drop sections, which are distinct and spaced apart from each other.