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    • 3. 发明授权
    • Fluid flow rate selector
    • 流体流量选择器
    • US06662668B2
    • 2003-12-16
    • US09962100
    • 2001-09-26
    • Lyle BerkenboschSammy K. Mickelson
    • Lyle BerkenboschSammy K. Mickelson
    • G01F100
    • F16K3/085A61M5/16877F16K3/32
    • The present invention is directed to a flow rate selector having a high flow position and a low flow position. The flow rate selector has a flow selector knob having a web. The web has a flat surface. At least two seals are mounted on the flat surface of the web. A retaining piece has two orifices of differing cross-sectional areas. The flow selector knob is rotatable relative to the retaining piece such that at least one seal can be aligned with either of the orifices to prevent fluid flow there through while allowing fluid flow through the other orifice. Cover 656 has conical outside diameter that seals against chamber in 654. This protects chamber 720 from foreign particles.
    • 本发明涉及具有高流量位置和低流量位置的流量选择器。 流量选择器具有带有网的流量选择器旋钮。 网具有平坦的表面。 至少两个密封件安装在网的平坦表面上。 保持件具有两个不同横截面面积的孔。 流量选择器旋钮可相对于保持件旋转,使得至少一个密封件可以与任一个孔口对齐,以防止流体在其中流动,同时允许流体流过另一个孔口。 盖656具有锥形外径,其在654中密封室。这保护室720免受异物的影响。