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    • 3. 发明申请
    • Fluid Ejector
    • 流体喷射器
    • WO2017141034A1
    • 2017-08-24
    • PCT/GB2017/050400
    • 2017-02-15
    • ARCHIPELAGO TECHNOLOGY GROUP LTD
    • MACE, Daniel RichardEMERTON, NeilCROOKS, David AlanNEWCOMBE, Guy Charles FernleySTOKES, Charlotte Giverny Pamela JoySNUDDEN, Theodore John
    • B41J2/14
    • B41J2/14B41J2202/02
    • A fluid ejector for ejecting discrete volumes of ejectant includes a body with opposing first and second surfaces. One or more nozzles are defined as conduits extending through the body between the surfaces to connect first and second orifices at the first and second surfaces respectively. The fluid ejector further includes a gas supply means having a gas outlet and an ejectant supply means. The ejectant supply means supplies the ejectant to the nozzles at a pressure above ambient via their supply orifices. The supply orifice is defined in a conduit's side or is the second orifice. Relative movement of the gas supply means and body exposes first orifices to the gas outlet allowing the gas supply means to supply gas at a pressure above ambient, wherein a pressure difference thereby created between the first and second orifices causes ejection of the ejectant from the nozzles through the second orifices.
    • 用于喷射离散体喷射剂的流体喷射器包括具有相对的第一和第二表面的主体。 一个或多个喷嘴被限定为在表面之间延伸穿过主体的导管,以分别在第一和第二表面处连接第一和第二孔。 流体喷射器还包括具有气体出口和喷射剂供应装置的气体供应装置。 喷射器供应装置通过其供应孔以高于环境的压力将喷射器供应到喷嘴。 供给孔限定在导管的一侧或者是第二孔。 气体供应装置和主体的相对运动使第一孔暴露于气体出口,允许气体供应装置以高于环境的压力供应气体,其中由此在第一孔与第二孔之间产生的压差导致喷射剂从喷嘴喷射 通过第二个孔。