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    • 2. 发明申请
    • IMPACT FLOWMETER
    • 冲击流量计
    • WO1994008210A1
    • 1994-04-14
    • PCT/US1993009306
    • 1993-09-30
    • ENDRESS & HAUSER INC.
    • ENDRESS & HAUSER INC.KEMPF, DavidMcCARTHY, William, Patrick
    • G01F01/30
    • G01F1/30G01G11/08
    • An impact flowmeter (10) includes a housing (12) having an inlet end, an outlet end, and an interior region (15), an inlet chute (18) having an open end for discharging material into the interior region (15) being coupled to the inlet end of the housing (12), a load cell (40) coupled to the housing (12) for generating an output signal, and an impact plate (32) coupled to the load cell (40). The impact plate (32) is aligned with the inlet chute (18) so that the material entering the housing (12) strikes the impact plate (32). The impact plate (32) deflects the load cell (40) in a measurement direction (64) to change the signal from the load cell (40) based on the flow rate of material. The flowmeter (10) further includes a stop (56) for biasing the load cell (40) in the measurement direction (64) to establish a preload condition on the load cell (40), a load cell mounting bracket (34) located outside the interior region (15).
    • 冲击流量计(10)包括具有入口端,出口端和内部区域(15)的壳体(12),具有用于将材料排放到内部区域(15)中的开口端的入口槽(18) 耦合到壳体(12)的入口端,耦合到壳体(12)的用于产生输出信号的测力传感器(40)以及耦合到测力传感器(40)的冲击板(32)。 撞击板(32)与入口槽(18)对准,使得进入壳体(12)的材料撞击冲击板(32)。 冲击板(32)在测量方向(64)上使测力传感器(40)偏转,以根据材料的流速改变来自测力传感器(40)的信号。 所述流量计(10)还包括用于在所述测量方向(64)上偏置所述测力传感器(40)以在所述测力传感器(40)上建立预载状态的止动件(56),位于外部的称重传感器安装支架(34) 内部区域(15)。