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    • 4. 发明申请
    • Exhaust passage control valve
    • 排气通道控制阀
    • US20060150619A1
    • 2006-07-13
    • US11320570
    • 2005-12-30
    • Hiroyuki ShigaShouji IchikawaTatsuhiro NagashimaHiroshi Ogura
    • Hiroyuki ShigaShouji IchikawaTatsuhiro NagashimaHiroshi Ogura
    • F01N7/00
    • F01N1/166Y10S29/085Y10T137/7905Y10T137/7922
    • Exhaust passage control valve 10 may comprise housing 30, valve member 20, and helical torsion spring 40. Housing 30 has an exhaust passage. Exhaust gas from an internal combustion engine flows through the exhaust passage of the housing 30. Valve member 20 opens and closes the exhaust passage of the housing. Helical torsion spring 40 may be disposed at the opposite side of the valve member from the housing side thereof. Helical torsion spring 40 comprises a coil part wherein spring wires have been wound in a coil shape, and arms formed at both ends of the coil part. The coil part may be disposed at approximately the center of the valve member. When the arms bend with respect to the coil part, the counter-force of this bending energizes the valve member towards a closing side. The spring mounting member may be arranged and constructed to adjust a position in which the spring mounting member is mounted on the housing such that a rotation angle of the arms can be changed.
    • 排气通道控制阀10可以包括壳体30,阀构件20和螺旋扭转弹簧40。 壳体30具有排气通道。 来自内燃机的废气流过壳体30的排气通道。 阀构件20打开和关闭壳体的排气通道。 螺旋扭力弹簧40可以设置在阀构件的与壳体侧相反的一侧。 螺旋扭转弹簧40包括线圈部分,其中弹簧线已经缠绕成线圈形状,并且臂形成在线圈部分的两端。 线圈部分可以设置在阀构件的大致中心附近。 当臂相对于线圈部弯曲时,该弯曲的反作用力使阀构件向闭合侧通电。 弹簧安装构件可以被布置和构造成调节弹簧安装构件安装在壳体上的位置,使得臂的旋转角度可以改变。