发明名称 |
Miniature pump device with an anti-free flow valve |
摘要 |
A miniature unidirectional valve configured to restrict the free flow of fluid through the valve includes a valve body having an inlet and an outlet. A flexible membrane is movably disposed over the inlet and outlet, and movable between an open position and a closed position. The flexible membrane is movable by a pressure from the inlet to move the membrane to the open position. A control chamber is disposed in the valve body adjacent the fluid flow path, and configured to apply a pressure against the membrane to move the membrane to the closed position to restrict fluid flow through the valve. A preload structure is associated with the flexible membrane, and biases the flexible membrane toward the closed position. |
申请公布号 |
US8696336(B2) |
申请公布日期 |
2014.04.15 |
申请号 |
US20090604237 |
申请日期 |
2009.10.22 |
申请人 |
JACOBSEN STEPHEN C.;OLSEN SHANE;STERLING INVESTMENTS, LC |
发明人 |
JACOBSEN STEPHEN C.;OLSEN SHANE |
分类号 |
F04B7/00 |
主分类号 |
F04B7/00 |
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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