Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Lip Type Electromagnetic Flap Valve for Low Leakage

누수 최소화를 위한 립 타입 전자력 플랩 밸브

  • Lim, In-Ho (Division of Electrical & Computer Engineering, Ajou University) ;
  • Lee, Ki-Jung (Division of Electrical & Computer Engineering, Ajou University) ;
  • Sim, Woo-Young (Division of Electrical & Computer Engineering, Ajou University) ;
  • Yang, Sang-Sik (Division of Electrical & Computer Engineering, Ajou University)
  • Published : 2008.07.16
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Abstract

This paper reports on a flexible flap valve actuated by electromagnetic force under a constant pressure source. The flexible flap valve consists of the three main components: a flexible flap with a steel disk embedded in PDMS, an electromagnetic actuator and two glass plates with inlet and outlet. Sealing lip structures for improving the valve characteristics are added on the outlet of the bottom glass substrate. The flap valve is fabricated by the spin-coating process, the EDM process, SU-8 mold process and oxygen plasma treatment. The dimension of an assembled flap valve is $12mm{\times}20mm{\times}28mm$. The stroke volume of the flap valve is measured for various pressures and open times. When the input voltage of 30 V is applied for 0.33 s, the minimum stroke volume of the flap valve is 70 ${\mu}L$ at 50 kPa.

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