FIELD: engines and pumps.
SUBSTANCE: invention can be used in electronic hydro mechanical automatic control systems (ACS) of gas turbine engines (GTE). In addition, during start-up of GTE there compared is the measured rotor rotation frequency of engine to the pre-set idle rotation frequency set point; when engine rotation frequency reaches the idle set point, there blocked is further increase in the specified engine rotor rotation frequency by the pre-set time required for engine warm-up; the second manifold is connected to batched fuel supply path through hydraulic resistance equal as to flow test to 15-20% of total hydraulic resistance of injectors of the first manifold; when the engine warm-up time elapses, the second manifold is directly connected to batched fuel supply path and blocking of the specified engine rotor rotation frequency is released.
EFFECT: reducing the weight and cost of ACS, improving its reliability and GTE reliability and aircraft safety.
1 dwg
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| METHOD OF GAS TURBINE ENGINE | 2011 |
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RU2493392C2 |
