FIELD: engines.
SUBSTANCE: two-channel system for fuel supply and control of gas turbine engine (GTE) relates to aircraft engine building and is intended for automatic control of GTE at all modes of engine operation. Proposed system comprises spool selector for switching from main control channel to standby channel, fuel metering unit and speed limitation valve with rotary speed transducer. Structurally, the system is designed so that the slide valve of the free turbine rotation frequency limiter is made double-edge, wherein one of the edges is hydraulically connected to the inter-throttle manifold, and the second one – to the servo motor cavity.
EFFECT: disclosed is a two-channel gas turbine engine fuel supply and control system.
1 cl, 1 dwg
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