valve-tappet tube

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

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。

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

Manufacturing of A Valve-like Three-limb Tube Infusion Set

阀门式三通管输液器的研制

The flow tests under the room temperature and the cryogenic environment show the capability of the throttle valve controlled by pressure difference to adjust the flow rate is bigger than that of the capillary tube with constant flow area.

分别在室温和深冷环境下进行的流量实验表明，该压差控制节流阀调节流量的能力较强。