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. 31, 2015
Filed:
Jan. 09, 2013
Eurocopter, Marignane, Cedex, FR;
Jean Philippe Evrard, Marseilles, FR;
Alban Corpron, Salon de Provence, FR;
Airbus Helicopters, Marignane Cedex, FR;
Abstract
An aircraft power plant () having at least two engines (), each co-operating with respective control means () including respective memories (), each memory () containing information for causing said engine () to operate with a plurality of distinct utilization envelopes at iso-damage. Said power plant () includes determination means () for determining a first utilization envelope () for application during a takeoff stage of flight and a second utilization envelope () for application during a cruising stage of flight following the takeoff stage of flight, and a third utilization envelope () for application during a landing stage of flight following the cruising stage of flight.