| 发明名称 |
FLOW CONTROL AND FILTRATION METHOD AND APPARATUS |
| 摘要 |
A porous material valve (18) is placed in the fluid conveyance path of a fluid dispensing apparatus (2). By selecting a specific thickness of the porous material, the size of the pores, the pore volume, and the hydrophillic/hydrophobic balance of the material, a predetermined activation/closure pressure and flow rate is achieved.
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| 申请公布号 |
WO0119438(A1) |
申请公布日期 |
2001.03.22 |
| 申请号 |
WO2000US25145 |
申请日期 |
2000.09.13 |
| 申请人 |
SHEFFIELD PHARMACEUTICALS, INC. |
发明人 |
PAVKOV, RICHARD, M.;ARMER, THOMAS, A. |
| 分类号 |
F16L55/00;A61M11/02;A61M15/00;B01D61/16;B01D71/16;B01D71/26;B01D71/36;B01D71/64;B01D71/68;B01J4/00;B05B1/32;B05B15/00;(IPC1-7):A61M15/00 |
主分类号 |
F16L55/00 |
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