METHOD FOR DETECTING A FAILURE OF A FIRST TURBINE ENGINE OF A TWIN-ENGINE HELICOPTER AND FOR OPERATING THE SECOND TURBINE ENGINE AND CORRESPONDING DEVICE Russian patent published in 2018 - IPC F02C9/46 F02C9/56 F02K3/12 B64D31/06 

FIELD: aviation.

SUBSTANCE: invention relates to a method for controlling gas turbine engines of a twin-engine helicopter. Invention relates to a method for detecting a failure of a first turbine engine, referred to as faulty engine (4), of a twin-engine helicopter and for operating a second turbine engine, referred to as sound engine (5). Wherein each engine (4, 5) comprises protection end stops regulated by regulating device (8) which define a maximum power speed. Thus, the method comprises the steps: step (10) of detecting a fault index of said faulty engine (4); step (11) of modifying said end stops for protecting said sound engine (5) to protection end stops corresponding to a maximum power single-engine speed, in the event of a fault index being detected; step (12) of confirming a fault with said faulty engine (4); step (13) of commanding an increase in the rate of supply of fuel to said sound engine (5) in the event of the fault being confirmed. Invention also relates to a device for detecting a failure of a first gas turbine engine and controlling a second gas turbine engine of a twin-engine helicopter and to a helicopter containing such a device.

EFFECT: invention allows minimizing the time between the detection of the sudden loss of power down turboshaft and obtaining maximum power in emergency turboshaft healthy diet.

12 cl, 2 dwg