1) electro-hydraulic proportional speed-regulating valve
电液比例调速阀
1.
The application of PCL-818L data acquisition card in experimental system of a electro-hydraulic proportional speed-regulating valve is introduced in detail, and control software program design based on DLL under VB6.
介绍了研华PCL-818L数据采集卡在电液比例调速阀实验系统中的应用,以及在VB6。
3) Proportional flow control valve
比例调速阀
5) electro-hydraulic proportion valve
电液比例阀
1.
The electro-hydraulic proportion valve is used in the new hoist to regulate the rotational speed of the roller whose radius is changing during well logging,and the line speed is also changing continuously.
新型测井绞车采用了电液比例阀,以调节滚筒旋转的角速度。
6) Electro hydraulic proportional valve
电液比例阀
1.
This paper introduces the automatic testing principles and constitution of computer automatic test system of electro hydraulic proportional valve.
阐述了电液比例阀计算机自动检测原理和系统组成 ,在该系统上进行了电液比例阀的自动检测试验 。
补充资料：调速阀的工作原理
如图所示,调速阀是进行了压力补偿的节流阀。它有定差减压阀和节流阀串联而成。节流阀前、后的压力p2和p3分别引到减压阀阀芯右、左两端，当负载压力p3增大，于是作用在减压阀芯左端的液压力增大，阀芯右移，减压口加大，压降减小，使p2也增大，从而使节流阀的压差（p2-p3）保持不变；反之亦然。这样就是调速阀的流量恒定不变（不受负载影响）。
上述调速阀是先减压后节流的结构。也可以设计成先节流后减压的结构。两者的工作原理基本相同。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条