pulse valve

Research on Pulse Tube Refrigerator with Low Temperature Switch Valve

低温旋转阀式脉冲管制冷机的实验及理论研究

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The structural faults of the reverse blow valve, the pulse valve and the spiral conveyer are the reasons of the high fault rate of the bag type dust collector in the BF's spraying pulverized coal system at Jigang.

由于反吹阀、脉动阀及螺旋输送机结构存在缺陷，造成济钢高炉喷煤系统的布袋收尘器故障率高。

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Have confirmed that adopts PWM proportion pulse the controlling method of the electromagnetic valve.

确定了采用PWM比例脉冲控制电磁阀的控制方式.

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"Manual Advance" key on the PCB can test the working status of the electromagnetic pulse valve in sequence.

印刷线路板上的“手进”按钮，能依次检查电磁脉冲阀工作情况。如按住“手进”按钮不放便能锁定自动进位。

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The Improved Design and Failure Analysis of the Pulse Valve

脉冲出料阀的失效分析与改进设计

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If electromagnetic pulse valve is not always magnetized, it must be checked if the connection outside of the terminal of common lead of the valve is correct and reliable.

若电磁脉冲阀全部不吸，应检查阀用公共线端子外的接线是否正确可靠。

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In order to select a proper piezoelectricity valve for the gas injecting system on Sino UNIted Spherical Tokamak ( SUNIST), we have tested the gas injecting rate and pulse response of NS valve ( made in China) and VEECO valve ( made in USA).

为了给中国联合球形托卡马克装置（SUNIST）的充气系统选择合适的压电阀，我们对国产NS型压电阀和美国的VEECO压电阀进行了送气率和脉冲送气特性的测试。

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The capacity of the failed valve-regulated lead acid ( VRLA) battery was restored by the slow pulse fast charge method.

应用慢脉冲快速充电方法，对报废的VRLA电池进行容量恢复。

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Simulation results show that compare to the rise cosine pulse, with the narrow main valve and the faster high frequency rolling and the better resisting of spectral spreading, the new type IJF code has better performance.

仿真结果表明：与传统的升余弦脉冲比较，新设计的IJF码型性能更加优越，表现为主瓣窄，高频滚降快，有效地抑制了频谱扩展。

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In the preliminary experiments the adiabatic expansion efficiency of orifice pulse tube with low temperature switching valve can be higher than 40%. These results show the application prospects of the machine.

对带低温切换阀的小孔气库型脉冲管的等熵膨胀效率的初步实验结果表明，其等熵效率可达40%以上，显示了一定的应用前景。

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A New Type of Refrigerator: Pulse Tube Refrigerator with Low Temperature Switching Valve

一种新型制冷装置&低温阀切换式脉冲管制冷机

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