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    • 67. 发明申请
    • ELECTRICALLY ACTUATED FLOW ASSISTED EXHAUST VALVE
    • 电动启动流量辅助排气阀
    • WO2006076098A1
    • 2006-07-20
    • PCT/US2005/044305
    • 2005-12-08
    • ARVIN TECHNOLOGIES, INC.ABRAM, KwinCALLAHAN, Joseph
    • ABRAM, KwinCALLAHAN, Joseph
    • F02D9/04
    • F02D9/04F01N1/165F01N1/18F01N2290/06F02D9/1055F02D9/106F02D9/1065F02D9/107F16K1/221F16K1/222
    • A noise attenuation valve includes a flapper valve body (18) that is pivotable within an exhaust cavity (14) between maximum and minimum flow positions. The flapper valve body (18) is supported on a shaft (16) that is coupled to an actuator (24). The actuator (24) pivots the shaft (16) to attenuate noise by moving the flapper valve body (18) between the maximum and minimum flow positions. When in the maximum flow position, the flapper valve body (18) has an upper surface (38) and a lower surface (40). The support shaft (16) is mounted to the upper surface (38). This mounting configuration between the support shaft (16) and flapper valve body (18) provides a resultant torque on the shaft (16) that biases the flapper valve body (18) to the open position without requiring any additional resilient elements.
    • 噪声衰减阀包括挡板阀体(18),其可在最大和最小流动位置之间的排气腔(14)内枢转。 挡板阀体(18)被支撑在联接到致动器(24)的轴(16)上。 致动器(24)使轴(16)枢转以通过在最大和最小流动位置之间移动挡板阀体(18)来衰减噪音。 当处于最大流动位置时,挡板阀体(18)具有上表面(38)和下表面(40)。 支撑轴(16)安装到上表面(38)。 在支撑轴(16)和挡板阀体(18)之间的这种安装构造在轴(16)上提供合成扭矩,其将挡板阀体(18)偏压到打开位置,而不需要任何额外的弹性元件。