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:
Feb. 27, 2001
Filed:
Nov. 25, 1997
Olivier Bosqui, Cabries, FR;
Raymond Jacques Gérard Berlioz, Salon-de-Provence, FR;
Eurocopter, Marignane Cedex, FR;
Abstract
A power margin indicator for a rotary-wing aircraft, intended to give information on the power margin available on at least one engine and one gearbox of the aircraft. The indicator includes: (a) input unit (,) for the various control parameters of the engine and of the gearbox, (b) calculation device (,) connected to the input unit (,) which, on the basis of the parameters, formulate the power margin, expressed as a collective-pitch value, and (c) display units (,) showing, on a display screen (,), the power margins represented on a scale (,) which is graduated in collective-pitch equivalents, capable of moving past a pitch index (,) in a window (,) of the screen (,).