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    • 4. 发明授权
    • Device for projecting droplets of an electrically conducting liquid
    • 用于喷射导电液体的液滴的装置
    • US4575737A
    • 1986-03-11
    • US619557
    • 1984-06-07
    • Jacques Vermot-GaudPierre Genequand
    • Jacques Vermot-GaudPierre Genequand
    • B41J2/015B41J2/045B41J2/055B41J2/06G01D15/16
    • B41J2/06B41J2002/061B41J2202/04
    • This device comprises an electrode, the diameter of which is of the same order of magnitude as the drop to be projected, which emerges on the surface of an electrically insulating support. This support is immersed in a reservoir of liquid which comprises an opening. The support is placed so that the face thereof with which the electrode is flush, is located at a certain distance recessed from the plane of the opening so that it is covered with the liquid contained in the reservoir in which is located the counter-electrode. These electrodes are connected to a source of intermittent current designed to form an electric field through the liquid which, by concentrating on that part of the electrode emerging from the support, causes the projection of a drop of liquid.
    • PCT No.PCT / CH83 / 00110 Sec。 371日期1984年6月7日 102(e)日期1984年6月7日PCT提交1983年10月5日PCT公布。 公开号WO84 / 01544 日期1984年4月26日。该装置包括电极,其直径与待投影的液滴的数量级相同,其出现在电绝缘支撑件的表面上。 该支撑件浸入包括开口的液体储存器中。 放置支撑体使得其与电极齐平的表面位于与开口平面凹陷一定距离处,使得其被包含在位于相对电极的储存器中的液体覆盖。 这些电极连接到被设计成通过液体形成电场的间歇电流源,其通过集中在从支撑件出现的电极的那部分上引起一滴液体的突出。
    • 5. 发明授权
    • Method for propelling droplets of a conductive liquid
    • 推动导电液滴的方法
    • US5001496A
    • 1991-03-19
    • US415913
    • 1989-10-02
    • Jacques Vermot-GaudDidier Joyeux
    • Jacques Vermot-GaudDidier Joyeux
    • B41J2/05B41J2/14
    • B41J2/14096
    • A pulse of current of several hundreds of volts is established between two electrodes immersed in a resistive liquid. By concentration of the current at the end of one electrode, which is bonded onto an insulating support, a volume of liquid in contact with the end of this electrode is vaporised, causing an abrupt drop in current. Because of the voltage of the pulse, which is several hundred volts, a greater current re-establishes itself immediately across the volume of vaporised liquid, as a result of a sort of ionization of the vapor, causing superheating and energy sufficient to expel a droplet of liquid through an opening provided in a membrane. In order to limit the energy of the superheating phase and control the size of the droplets, the current of the energizing pulse is limited.
    • 在浸在电阻液体中的两个电极之间建立数百伏特的电流脉冲。 通过将一个电极末端的电流集中在绝缘支架上,与电极端部接触的液体体积蒸发,导致电流突然下降。 由于几百伏特的脉冲电压,由于蒸气的一种离子化,更大的电流立即重新建立在蒸发的液体的体积上,导致过热和能量足以排出液滴 的液体通过设置在膜中的开口。 为了限制过热相的能量并控制液滴的大小,激励脉冲的电流受到限制。