한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)
- 제15권4호
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- Pages.68-75
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- 1998
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- 1225-9071(pISSN)
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- 2287-8769(eISSN)
유체력을 이용한 직동식 비례 유량 조절 밸브에 관한 연구
A Study on a Direct-Type Proportional Flow Control Valve Utilizing Flowforces
초록
A one-stage direction and flow control valve was studied theoretically and experimentally. A direction and flow control valve maintains a constant flow rate by changing the spool-orifice area under the variation of valve pressure drop, since the spool-orifice area is varied by the action of flowforces on the spool. A direction and flow control valve has the advantage of simple and low-cost structure compared to a conventional flow control valve utilizing a pressure regulating spool which regulates the pressure drop caused by flow through the metering orifice. The static and dynamic characteristics of a one-stage direction and flow control valve was analyzed. Experimental results on the flow control characteristics of the manufactured valve show satisfactory agreement with simulation results.