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调速器是保证飞机螺旋桨正常工作的核心部件,其中调速器的回桨活门组件通过对油路的控制来实现螺旋桨的桨叶角变化,即变大距、变小距、顺桨和回桨,进而达到保持或改变发动机转速的目的。主要阐述了U-3-15(L)型调速器回桨活门的基本工作原理,总结了活门销的研磨的经验以及具体分析了回桨活门故障实例现象、起因、排除过程,有助于维修人员加深理论认识,提高工作效率。
Governor is to ensure the normal operation of the aircraft propeller core components, including governor back to the paddle valve assembly through the control of the oil to achieve propeller blade angle changes, namely variable pitch, small pitch, feather and back Paddle, and then achieve the purpose of maintaining or changing the engine speed. The basic working principle of the U-3-15 (L) governor back-paddle valve is mainly described, the experience of the valve pin grinding is summarized, and the phenomenon, causes and elimination of the back-paddle valve fault are analyzed in detail. Maintenance personnel to deepen theoretical understanding, improve work efficiency.