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    Air-assisted spray nozzle assembly
    63.
    发明授权
    Air-assisted spray nozzle assembly 失效
    空气辅助喷嘴总成

    公开(公告)号：US5829682A

    公开(公告)日：1998-11-03

    申请号：US638277

    申请日：1996-04-26

    Applicant: James Haruch

    Inventor： James Haruch

    IPC: B05B1/26 ,  B05B7/04 ,  B05B7/08

    CPC classification number: B05B7/0458 ,  B05B1/26

    Abstract: An air-assisted spray nozzle assembly including a pre-atomizing section and a spray tip located downstream of said pre-atomizing section. The spray tip has an upstream chamber for receiving pre-atomized liquid from the pre-atomizing section, a downstream chamber separated from the upstream chamber by an end wall, and the end wall is formed with a plurality of discharge passages adjacent its outer perimeter for directing a plurality of discharging flow streams in part in an outward axial direction and in part in a direction toward each other for defining a well defined conical or flat spray pattern.

    Abstract translation: 一种空气辅助喷嘴组件，包括预雾化部分和位于所述预雾化部分下游的喷嘴。 喷嘴具有用于接收来自预雾化部分的预雾化液体的上游室，通过端壁与上游室分离的下游室，并且端壁形成有与其外周边相邻的多个排出通道，用于 引导多个排出流动部分地沿向外的轴向方向并且部分地朝向彼此的方向引导，以限定明确限定的圆锥形或平坦的喷射图案。

    Air assisted atomizing spray nozzle
    64.
    发明授权
    Air assisted atomizing spray nozzle 失效
    空气辅助雾化喷嘴

    公开(公告)号：US5385304A

    公开(公告)日：1995-01-31

    申请号：US119889

    申请日：1993-09-10

    Applicant: James Haruch

    Inventor： James Haruch

    IPC: A01M7/00 ,  B05B7/04 ,  B05B7/08

    CPC classification number: B05B7/08 ,  B05B7/0458

    Abstract: An air assisted atomizing spray nozzle including: (a) a mixing chamber, (b) a liquid inlet opening for injecting a liquid stream axially into the mixing chamber, (c) a pair of air inlet openings for injecting a pair of air streams radially into the mixing chamber in directions substantially opposed to one another and substantially perpendicular to the liquid stream for atomizing the liquid stream, and (d) an exit orifice in axial communication with the mixing chamber for discharging atomized liquid therefrom.

    Abstract translation: 一种空气辅助雾化喷嘴，包括：（a）混合室，（b）用于将液体流轴向注入混合室的液体入口，（c）一对空气入口，用于径向注射一对空气流 在基本上彼此相对并且基本上垂直于液体流的方向上进入混合室，用于雾化液体流，以及（d）与混合室轴向连通以从其中排出雾化液体的出口孔。

    Cylindrical inset for a binary atomizing nozzle
    65.
    发明授权
    Cylindrical inset for a binary atomizing nozzle 失效
    二元雾化喷嘴的圆柱插图

    公开(公告)号：US4625916A

    公开(公告)日：1986-12-02

    申请号：US630269

    申请日：1984-07-12

    Applicant: Wolfgang Nieuwkamp ,  Martin Junger ,  Helmut Wenzel

    Inventor： Wolfgang Nieuwkamp ,  Martin Junger ,  Helmut Wenzel

    IPC: B01F5/04 ,  B05B7/04 ,  B05B7/06 ,  B01F3/04

    CPC classification number: B05B7/0458 ,  B01F5/0475

    Abstract: A cylindrical inset forming a mixing chamber in a binary atomizing nozzle is mounted in a housing ahead of the nozzle discharge and is provided with radial boreholes. The liquid to be atomized, for instance water, and the atomizing gas, for instance air, are fed to the cylindrical inset, with the liquid arriving axially and the gas passing radially from an annular spacing surrounding the inset within the nozzle housing through the radial boreholes into the inset. The radial boreholes are located in several consecutive transverse plans when viewed in the direction of flow and are arrayed in mutually offset manner in the circumferential direction of the cylindrical inset.

    Abstract translation: 在二元雾化喷嘴中形成混合室的圆柱形插入件安装在喷嘴排出口之前的壳体中并且设置有径向钻孔。 待雾化的液体，例如水和雾化气体，例如空气，被馈送到圆柱形插入物中，液体轴向流动，并且气体从围绕喷嘴壳体内的插入件的环形间隔径向通过径向 钻孔进入插图。 当从流动方向观察时，径向钻孔位于几个连续的横向平面中，并且在圆柱形插入件的圆周方向上以相互偏移的方式排列。

    A process for preparing melamine
    66.
    发明授权
    A process for preparing melamine 失效
    一种制备梅来胺的方法

    公开(公告)号：US4109090A

    公开(公告)日：1978-08-22

    申请号：US778743

    申请日：1977-03-17

    Applicant: Rudolf van Hardeveld ,  Petrus F.A.M. Hendriks

    Inventor： Rudolf van Hardeveld ,  Petrus F.A.M. Hendriks

    IPC: C07D251/60 ,  B05B7/00 ,  B05B7/04 ,  B05B7/06 ,  B05B7/08

    CPC classification number: B05B7/0458

    Abstract: A two phase sprayer and process are disclosed in which the sprayer has a liquid supply tube surrounded by a coaxial gas or gas mixture supply tube which extends beyond the length of the liquid supply tube where the gas flow surrounds and atomizes the expelled liquid. The sprayer has a unique structure in part characterized by a narrowed taper gas supply tube which converges towards the outlet at an angle of 70.degree.-90.degree. with respect to the sprayer axis. The internally-positioned, coaxial liquid supply tube is chamfered also at a similar 70.degree.-90.degree. angle, the gas and liquid tubes at their outlet being essentially parallel.The joint of the narrowing part of the gas tube and the outflow channel is rounded.These sprayers efficiently spray relatively large amounts of liquid at low gas velocities and are particularly adapted for spraying a mixture of urea and ammonia into a bed of reactive, fluidized particles to form melamine without destroying desirable features of the fluidized bed into which the urea/ammonia mixture is sprayed.

    Method and apparatus for spraying
    67.
    发明授权
    Method and apparatus for spraying 失效
    喷雾方法和装置

    公开(公告)号：US3764069A

    公开(公告)日：1973-10-09

    申请号：US3764069D

    申请日：1971-07-30

    Applicant: NORDSON CORP

    Inventor： RUNSTADLER P ,  NORD E ,  WILHELM F ,  HASTINGS D ,  SCARBROUGH D

    IPC: B05B7/00 ,  B05B7/04 ,  B29B17/00 ,  B05B1/06

    CPC classification number: B05B7/0458 ,  B05B7/1245 ,  B05B7/2489

    Abstract: A METHOD AND APPARATUS FOR ATOMIZING AND SPRAYING LIQUIDS SUCH AS FUEL, PAINT OR WATER IN THE FORM OF MINUTE DROPLETS UTILIZING A SMALL AMOUNT OF AIR TO PROVIDE THE ATOMIZING FORCE. THE LIQUID UNDER A PRESSURE OF FROM 30-100 PSI IS CAUSED TO FLOW IN A THIN FILM. STREAMS OF GAS AT A SLIGHTLY HIGHER PRESSURE ARE INPINGED AGAINST THE LIQUID FILM SO THAT THE GAS IS SHEARED INTO MICROBUBBLES WHICH ARE ENTRAINED IN THE LIQUID TO FORM A FROTH IN WHICH THE LIQUID IS THE CONTINUOUS PHASE, AND IN WHICH THE AIR TO LIQUID MASS RATIO IS FROM 0.1 TO 1.6. THE FROTH FLOWS THROUGH A SPACE IN WHICH THE PRESSURE DECREASES AS THE FROTH MOVES TOWARD A NOZZLE. DURING THIS FLOW THE FROTH BECOMES HOMOGENEOUS. THE FROTH IS DISCHARGED THROUGH A NOZZLE WHEREUPON THE AIR BUBBLES EXPLODE RUPTURING THE LIQUID FILM AND CAUSING THE LIQUID TO DISINTEGRATE INTO FINELY ATOMIZED

    DROPS. THE APPARATUS FOR CARRYING OUT THIS METHOD COMPRISES A LIQUID FILM-FORMING CHANNEL CONNECTED TO A LIQUID INLET LINE SUPPLIED WITH LIQUID UNDER PRESSURE, AN AIR INJECTION CHANNEL TERMINATING ADJACENT TO THE LIQUID FLOW CHANNEL, A FLOW SPACE INTERCONNECTING THE LUQID FILM CHANNEL AND A NOZZLE ORIFICE. IN THE PREFERRED EMBODIMENT THE FILM-FORMING CHANNEL IS ANNULAR WITH AIR BEING INJECTED FROM THE OUTSIDE OF THE CHANNEL. IN A MODIFICATION THE LIQUID FILM-FORMING CHANNEL IS PLANAR WITH AIR BEING INJECTED INTO THE FILM FROM ONE OR BOTH SIDES OF THE CHANNEL.

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