Special skill: assembly and commissioning of various fans, familiar with the assembly of hydraulic device, bearing housings and rotors of variable pitch axial flow fans.
擅长：种类风机装配、调试工作，精通动调风机液压调节装置，轴承箱及转子叶轮的装配、调试及故障排除。
Vane axial fan with optional fan pitch control.
具有可选风扇节距控制的翼式轴流风扇。
Analysis shows that the distribution of meshing points is a function of the axial circular pitch, the axial space of two meshing points on a tooth and the effective width of the gear.
计算分析认为，双圆弧齿轮的啮合点分布情况是齿轮的轴向周节、同一轮齿上两啮合点在轴向的距离和齿轮的有效宽度的函数。
In view of this, a variable pitch valve spring is designed to eliminate the axial shifting and radial drifting of the valve disk and improve the service life of the valve.
鉴于此，笔者试图设计泵阀的变螺距弹簧，以消除阀盘的纵向振谐窜动和径向失稳漂移，提高泵阀工作寿命。
The results show that the axial speed of the flow and the half-pitch of the twisted tape are the important factors to the rotating speed of the self-rotating twisted tape.
理论分析及实验结果均表明，影响换热管内自旋扭带转速的主要因素是流体轴向流速及扭带半扭距。
The results show that the axial speed of the flow and the half-pitch of the twisted tape are the important factors to the rotating speed of the self-rotating twisted tape.
理论分析及实验结果均表明，影响换热管内自旋扭带转速的主要因素是流体轴向流速及扭带半扭距。
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