A miniature shape memory alloy pinch valve

被引：44
|
作者：
Pemble, CM [1 ]
Towe, BC [1 ]
机构：
[1] Arizona State Univ, Tempe, AZ 85287 USA
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 1999年 / 77卷 / 02期
关键词：
miniature pinch valve; memory alloy actuator; silicone microbore tubing;
D O I：
10.1016/S0924-4247(99)00157-0
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A normally closed miniature pinch valve employing a Nitinol shape memory alloy actuator to control flow in silicone microbore tubing has been designed, fabricated, and tested. The valve can withstand long term exposure to fluids because only the tubing interior is contacted by the regulated fluid. The valve has application to microflow chemistry and has the advantage of compact and simple construction. At a differential pressure of 3 psi the valve permits a maximum flow rate of about 0.28 ml/s and has a 398 mW power dissipation. The maximum differential pressure the valve can withstand is greater than 30 psi. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：145 / 148
页数：4
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