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    • 2. 发明授权
    • Dispensing nozzle
    • 分配喷嘴
    • US3704732A
    • 1972-12-05
    • US3704732D
    • 1971-06-01
    • TEXACO INC
    • MAYER EDWARD A
    • B67D7/48B65B3/26
    • B67D7/48
    • An adjunctive device for automatic filling and topping-off dispensing nozzle to introduce a time lag or delay between the initial tank filling and topping-off operations by causing a unidirectional delay in the passage of a fluid thru a flow conduit which will, in turn, cause a uni-directional delay in pressure equalization thru said conduit, the invention comprising a spindle in the conduit having a diameter substantially less than that of the conduit but having a series of frusto conical surfaces axially aligned with the conduit and inclined in one axial direction so as to facilitate flow in that direction but presenting radial surfaces which impede flow in the opposite direction.
    • 一种辅助装置,用于自动填充和顶部分配喷嘴,以通过使液体通过流动管道的通向中的时间延迟或延迟,从而在初始的罐装填和顶起操作之间引起单向延迟, 转动,导致通过所述管道的均压延迟,本发明包括导管中的心轴,其直径基本上小于导管的直径,但是具有与管道轴向对准并且倾斜于一体的一系列截头圆锥形表面 以便促进沿该方向的流动,但呈现阻碍相反方向流动的径向表面。