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, 2020
Filed:
Mar. 20, 2015
Safran Helicopter Engines, Bordes, FR;
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Abstract
The invention relates to a method for detecting a malfunction in a first turboshaft engine, referred to as an inoperative engine (), of a twin-engine helicopter, and for controlling a second turboshaft engine, referred to as a healthy engine (), each engine () comprising protective stops regulated by a regulation device which define a maximum power regime, characterised in that it comprises: a step () of detecting an indication of failure of said inoperative engine (); a step () of modifying said protective stops of said healthy engine () into protective stops which correspond to a maximum power single-engine regime, in the case of the detected indication of failure; a step () of confirming a failure of said inoperative engine (); a step () of controlling an increase in the flow rate of fuel supply of said healthy engine (), in the event of a confirmed failure.