发明名称 |
Self cleaning valve assembly |
摘要 |
A self cleaning valve assembly includes a valve body having an internal valve cavity. A cylinder member received in the valve cavity has a first sealing surface and a cylinder wall, and divides the valve cavity into a liquid-free cavity portion and a flow cavity portion. A spindle includes a spindle body contacting the first sealing surface to continuously prevent pressurized fluid in the flow cavity portion from entering the liquid-free cavity portion. A spindle piston end has a wiper member in a receiving groove frictionally contacting the cylinder wall. A handle pinned to the valve assembly directly contacts the piston end. Handle rotation displaces the spindle from a valve closed to a valve open position permitting pressurized fluid flow into the flow cavity portion. The wiper member wipes a contaminant off the cylinder wall and further prevents contaminant entrance into the liquid-free cavity portion. |
申请公布号 |
US8297303(B2) |
申请公布日期 |
2012.10.30 |
申请号 |
US20100887062 |
申请日期 |
2010.09.21 |
申请人 |
DESANTIS PAUL M.;CARIGNAN RYAN D.;EMERSON ELECTRIC CO. |
发明人 |
DESANTIS PAUL M.;CARIGNAN RYAN D. |
分类号 |
F16K3/26;F16K31/52 |
主分类号 |
F16K3/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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