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    • 4. 发明公开
    • Automatic chambered flap valve for controlling gas passage, particularly for feeding two-stroke internal combustion engines
    • 一种自动蝶阀用于控制气体交换,特别是对于二冲程内燃机的供给。
    • EP0329827A1
    • 1989-08-30
    • EP88117673.9
    • 1988-10-24
    • Masserini, Massimo
    • Masserini, Massimo
    • F16K15/16F01L3/20
    • F01L3/205F16K15/16Y10T137/7839Y10T137/784
    • This automatic valve for controlling gas passage through ducts, particularly through feed ducts of two-stroke internal combustion engines, is provided with a chamber (4) arranged to determine the opening and closure of slot-shaped flow ports (2A′, 2B′) by pressure difference; this takes place by the movement away from and towards contact surfaces of only edges which are perpendicular to the direction of flow, using dihedron-shaped flaps of which those edges parallel to the flow graze end walls provided parallel to them to prevent transverse flow seepage. The prevention of such transverse flow seepage is favoured by inserting the dihedron-shaped flaps into containing seats which support the sides at said edges parallel to the flow, and which also limit transverse deformation by the pressure on the inside of the dihedron which determines valve closure.
    • 此,用于控制通过管道,特别是通过二冲程内燃机的进料管的气体通道自动阀,设置有腔室(4),布置成确定性矿的槽形流动端口的打开和关闭(2A分钟,2B分钟) 通过压力差; 通过移动这个发生远离和朝向仅边缘,它们垂直于流动方向的接触面,使用二面体状的翼片其中哪些边缘平行于流动放牧在平行于它们,以防止横向流动渗流提供端壁。 求横向流渗漏的预防是通过将二面体状的翼片成一个含有支持的侧面在所述边缘平行于流动座位的青睐,因此其中由所述二面体的内部的压力限制横向变形哪个bestimmt阀关闭 ,