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. 03, 2015
Filed:
Sep. 13, 2011
Michel Vialle, Aix En Provence, FR;
Michel Vialle, Aix En Provence, FR;
Airbus Helicopters, Marignane Cedex, FR;
Abstract
An aircraft () provided with a power plant () driving a rotary wing () and at least one propulsion means (') possessing a propeller (′), said power plant () including at least one engine (′) having an outlet shaft (′) driving a drive train () in order to drive said rotary wing (). The aircraft includes one coupling member (′) per engine (′) provided with a drive shaft (′) and with a first toothed wheel () that are coupled together by a clutch () and by a main controllable freewheel () arranged in parallel with the clutch, said drive shaft (′) driving at least one propulsion means (′) provided with brake means (′) for braking its propeller (′), said first toothed wheel () meshing with said drive train ().