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POWER PLANT MANAGEMENT SYSTEM FOR DUAL ENGINE HELICOPER IN SINGLE ENGINE OPERATION MODE
POWER PLANT MANAGEMENT SYSTEM FOR DUAL ENGINE HELICOPER IN SINGLE ENGINE OPERATION MODE
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机译:双引擎工作模式下双引擎直升机电厂管理系统
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摘要
A method of operating a twin engine helicopter power plant, the power plant comprising two turboshaft engines (1) each having an engine shaft (2) with a turbine (3) at a distal end and a one-way clutch (6) at a proximal end, a gearbox having an input driven by the one way clutch (6) of each engine (1) and an output driving a helicopter rotor, a bypass clutch (9) disposed between the proximal end of each engine shaft (2) and the input of the gearbox, and power plant management system controls for activating the bypass clutch (9), the method comprising detecting when a rotary speed of an associated engine shaft (2) is less than a rotary speed of the gearbox input, activating the bypass clutch (9) to drive the associated engine shaft (2) using the rotation of the gearbox input, and starting an associated engine (1) by injecting fuel when the bypass clutch (9) is activated.
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