摘要:
The invention relates to an ignition system of a combustion chamber (2) of a turbo engine, comprising: a plurality of start-up injectors (21a, 21b, 31a, 31b) capable of injecting fuel into said chamber (2) during a combustion initiation phase; a fuel supply circuit (6) of said start-up injectors, comprising a first sub-circuit, referred to as the primary start-up circuit (20), configured to supply fuel to a part of said plurality of start-up injectors; and a second sub-circuit, referred to as the secondary start-up circuit (30), configured to supply fuel to the remainder of said plurality of start-up injectors.
摘要:
The invention relates to an emergency start device for a helicopter turbine engine (6). Said device is characterized in that it includes: - a hydraulic engine (7) mechanically connected to said turbine engine (6); - a hydropneumatic storage device (9) connected to said hydraulic engine (7) via a hydraulic system (10) for supplying pressurized liquid to said hydraulic engine (7); and - a controlled quick-opening hydraulic valve (11) arranged on the hydraulic system (10), between said storage device (9) and said hydraulic engine (7), and suitable for being placed, on command, at least in an open position, wherein the liquid can be supplied to said hydraulic engine (7), or in a closed position, wherein said hydraulic engine (7) is no longer supplied with pressurized liquid.