发明名称 |
Double action directional fluid flow valve |
摘要 |
A double action directional fluid flow valve includes a stepped piston connected with a poppet valve and moveable by a controller between open and closed positions by applying a continuous pressure to a small diameter piston face and selectively applying and removing pressure from a large diameter piston face to move the poppet valve between an open position and a closed position. |
申请公布号 |
US8256738(B2) |
申请公布日期 |
2012.09.04 |
申请号 |
US20080205148 |
申请日期 |
2008.09.05 |
申请人 |
JOHNSON JOHN LESLIE;JOHNSON JAMES G. |
发明人 |
JOHNSON JOHN LESLIE;JOHNSON JAMES G. |
分类号 |
F16K31/12 |
主分类号 |
F16K31/12 |
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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