fuel pipe

Based on analysis of variational curves of pressure and thrust with different fuel pipe length and PDE working frequency, the mechanism of fuel self-fit control was studied, and the vital influence of the fuel supply delayed time relative to air entrance to PDE working is discussed.

通过对不同油管长度、不同工作频率的压力、推力曲线对比研究，分析了供油自适应控制的机理，及供油相对进气滞后时间的长短对PDE工作的影响。

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An automobile corporation put cars into market in 2001.In Hainan province, it was found that some of the cars had cracks in the root part of the return fuel pipe seat of the locking cap of the fuel supply system fuel-tank and the fuel seeped.

某汽车公司2001年底投放市场的轿车，在我国海南使用中有个别车的油箱锁紧盖回油管座根部出现裂纹，存在燃油渗漏故障。

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The results show that reduction of fuel pipe vibration or improving damping function of hose clip can control the effect of source of vibration on interior noise.

结果表明，减小油管的振动或提高管夹的减振功能可控制振动源对车内噪声的影响。

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Negative wave signal that had leak information was changed with A/ D, then sent it to computer to identify trouble, so, leak detection and diagnosis of fuel pipe was realized.

再把含有泄漏信息的负压波信号经A/D变换后送入计算机即可判明故障，从而实现对油管泄漏的检测和诊断。

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