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发明公开
CN103625646A 一种APU进气道风门 无效 - 撤回

一种APU进气道风门
摘要：
本发明属于飞机APU进气道风门结构技术，涉及对飞机APU进气道风门设计的改进。其特征在于，包括风门、转轴、电机、拉杆和转轴连杆，转轴固连在风门上，转轴一端与转轴连杆固定连接，转轴连杆与拉杆铰接，拉杆与电机的输出端连接。本发明优点：机构轻盈小巧，重量轻，操纵风门的电机电信号控制，操纵方便；风门结构为中空机加壳体结构，增强了风门的强度和刚度；流线型风门结构优化了风门外形，提高风门的流场特性。
摘要（英）：

The invention belongs to the structural technology of an air door for an air inlet channel of an APU (Auxiliary Power Unit) in a plane, and relates to an improvement on the design of the air door for the air inlet channel of the APU in the plane. The air door is characterized by comprising an air door, a revolving shaft, a motor, a pull rod and a revolving shaft connecting rod, wherein the revolving shaft is fixedly connected to the air door; one end of the revolving shaft is fixedly connected with the revolving shaft connecting rod; the revolving shaft connecting rod is hinged to the pull rod; the pull rod is connected with the output end of the motor. The air door has the advantages that a mechanism is light and compact, and the motor for operating the air door is controlled via an electric signal and is convenient to operate; the air door consists of a hollow machine and a shell, so that the strength and rigidity of the air door are enhanced; a streamline air door structure is adopted, so that the outline of the air door is optimized, and the flow field characteristic of the air door is improved.

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