Proceedings of the KSME Conference (대한기계학회:학술대회논문집)
- 2001.06b
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- Pages.121-126
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- 2001
Study on Static Characteristics of Hybrid Spool Valve
하이브리드 스폴밸브의 정특성 연구
- Yun, So-Nam (KIMM) ;
- Ham, Young-Bok (KIMM) ;
- Kim, Dong-Su (KIMM)
- Published : 2001.06.27
Abstract
In this study, the 4-way spool valve characteristics are clearly defined and proposed new type of spool valve. This paper presents governing equations of the flow through clearances between sleeve and spool as a model of orifice flow for null characteristic analysis, and programmed analysis software of it. This software is possible to basically analysis that not only which case of open center, closed center or critical center but +,- displacement of spool, lab position, boundary region and spool opening of the valve, and to estimate the pressure variation in the spool and external leak flow variation. We are convinced that the scale of load pressure difference is changed as lab condition of spool valve, and this scale is changed with boundary point on the annular clearance. It is vary useful to designer and user of spool valve with this design data and analysis software.