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飞机应急液压系统为飞机飞行控制提供主液压源故障时的备份动力源,提高了飞行控制系统的安全余度,但是增加了飞机的整体维护量。该文叙述自动加油式应急液压系统,从原理设计方面改进应急系统加油方式,充分考虑各液压能源系统间的自动切换,压力安全、系统间耦合、初次加油及检查维护均由助力液压能源系统自动完成,减小飞机维护量。
The aircraft’s emergency hydraulics system provides a back-up power source for the aircraft’s flight control when the primary hydraulic source fails, increasing the safety margin of the flight control system but increasing the overall maintenance of the aircraft. This paper describes the automatic refueling emergency hydraulic system, from the principle design to improve the emergency system refueling mode, give full consideration to the automatic switching between the hydraulic energy systems, pressure safety, coupling between systems, the first refueling and inspection and maintenance by the hydraulic power system automation Complete, reduce the amount of aircraft maintenance.