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    • 6. 发明授权
    • Fluid sprayer employing piezoelectric pump
    • 采用压电泵的流体喷涂机
    • US07467752B2
    • 2008-12-23
    • US11751446
    • 2007-05-21
    • Steven L. Sweeton
    • Steven L. Sweeton
    • B05B9/043B05B1/08F04B17/00F04B35/00F04B35/04
    • B05B7/2464B05B7/0025B05B7/2491B05B9/0861B05B11/3057B05B17/0607
    • An electrically-powered fluid sprayer employs a piezoelectric fluid pump that includes an inlet port, an outlet port, a pump chamber, and a piezoelectric element that is deformed and displaced by electrical signals supplied thereto to vary the volume of the pump chamber. Such displacement pumps fluid into the inlet port and into the pump chamber and discharges fluid from the pump chamber out the outlet port. The inlet port is in fluid communication with a fluid reservoir. Spin mechanics may be disposed downstream from the outlet port of the fluid pump and upstream from the discharge nozzle. The piezoelectric fluid sprayer may be extended to include a dual chamber piezoelectric pump that pumps different fluids (e.g., a liquid and air). The output of the dual chamber pump is mixed in a manifold and supplied downstream to the discharge nozzle. Spin mechanics may be employed in the fluid stream upstream from the discharge nozzle after the mixing.
    • 电动液体喷雾器采用压电流体泵,其包括入口端口,出口端口,泵室和压电元件,该压电元件通过供给其的电信号而变形和位移以改变泵室的体积。 这种位移将流体泵送入入口并进入泵室,并将来自泵室的流体从出口端口排出。 入口与流体储存器流体连通。 旋转力学可以设置在流体泵的出口的下游并且在排放喷嘴的上游。 压电流体喷雾器可以被扩展成包括泵送不同流体(例如液体和空气)的双室压电泵。 双室泵的输出在歧管中混合并在下游供应到排放喷嘴。 在混合之后,旋转力学可以用于从排放喷嘴上游的流体流。