FIELD: engines.
SUBSTANCE: invention relates to gas turbine engine (100) for helicopter (200). Helicopter comprises main reduction gear, screw (204) and rotation frequency reduction device (206) arranged completely in main gearbox (202) of helicopter and connected with said propeller. Gas turbine engine includes housing (102), gas generator (114) with shaft (115) of gas generator and free turbine (124) driven by gas flow generated by gas generator. Said free turbine has free turbine shaft (128).
EFFECT: in gas turbine engine, when gas turbine engine is attached to gear of helicopter, free turbine shaft passes axially in main gearbox of helicopter to be directly connected with rotation frequency reducing device.
12 cl, 4 dwg
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Authors
Dates
2016-08-10—Published
2011-06-14—Filed