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    • 84. 发明申请
    • Simple, mechanism-free device, and method to produce vortex ring bubbles in liquids
    • 简单,无机械的装置,以及在液体中产生涡流环泡的方法
    • US20060145366A1
    • 2006-07-06
    • US11019470
    • 2004-12-23
    • Andrew Thomas
    • Andrew Thomas
    • B01F3/04
    • B01F3/04241B01F13/0222B01F13/0283B01F2003/04872F15D1/009
    • An apparatus and method are described that allows for the production of vortex-ring bubbles in a host liquid. A simple embodiment of the device consists of an inverted cup with a short nozzle protruding into it through the center of its end face. Circular plates are fixed to both open ends of the nozzle tube, which itself is positioned such that its lower end is at a higher level than the open end of the inverted cup. When cup is immersed in a liquid, open end down, and the inside of the cup is pressurized with an inflow of gas, a confined volume of gas will form inside the cup, and the liquid level in the cup will fall, and peel away from the nozzle lower end plate. The gas is exposed to the open lower end face of the nozzle, but does not enter the nozzle until the pressure has built up within the cup sufficiently to break the surface tension meniscus at the nozzle inlet. The gas then self accelerates up through the nozzle and rapidly exits at the upper end of the nozzle tube. The confined liquid level in the cup rises back up in response and enters the nozzle in a unique self-siphoning action shutting off further gas flow out the nozzle. The exiting gas bubble self organizes into a gas-filled, vortex ring. Alternatively, the exiting flow of gas can be captured in a second conical nozzle and buoyantly directed to the throat of the nozzle where it undergoes the same self acceleration and self siphoning to form a vortex ring at the throat exit. Other different embodiments of the device that all operate under the same method of intermittent breaking of surface tension forces followed by self acceleration and self siphoning to generate a vortex ring bubble are described. The advantages of the device are that it is mechanically simple, easy to manufacture, has no moving parts, will not wear out, and does not require any operator intervention in order to function.
    • 描述了允许在主体液体中产生涡环气泡的装置和方法。 该装置的简单实施例包括具有通过其端面中心突入其中的短喷嘴的倒杯。 圆形板固定在喷嘴管的两个开口端上,喷嘴管本身被定位成使得其下端处于比倒杯的开口端更高的水平。 当杯子浸在液体中时,开口端向下,杯内部用气体流入加压,杯内将会形成有限量的气体,杯中的液面会下降,并剥离 从喷嘴下端板。 气体暴露于喷嘴的开放的下端面,但是不要进入喷嘴,直到压力已经在杯内积聚起来,足以破坏喷嘴入口处的表面张力弯液面。 气体然后通过喷嘴自身加速,并在喷嘴管的上端快速离开。 杯子中的限制液面响应而升高,并以独特的自吸虹吸作用进入喷嘴,从而将进一步的气体流出喷嘴。 排出的气泡自身组织成充满气体的涡环。 或者,排出的气体流可以被捕获在第二锥形喷嘴中,并且浮力地指向喷嘴的喉部,在喷嘴的喉部处经历相同的自加速和自吸,以在喉口处形成涡环。 描述了所有装置的其它不同的实施例,其全部在相同的表面张力的间断断裂方法下运行,随后是自加速和自吸虹墨以产生涡流环气泡。 该设备的优点是机械简单,易于制造,没有移动部件,不会磨损,并且不需要任何操作员干预才能起作用。
    • 86. 发明授权
    • Diffuser assembly
    • 扩散器组件
    • US06464211B1
    • 2002-10-15
    • US09914666
    • 2001-11-16
    • Ernest W. Downs
    • Ernest W. Downs
    • B01F304
    • C02F3/20B01F3/04241B01F2003/04177B01F2003/04276B01F2003/04297B01F2003/0439B01F2215/0052Y02W10/15Y10S261/70
    • The diffuser assembly of the present invention includes first and second diffuser bodies in fluid communication with an air distribution pipe. The diffuser assembly further includes a saddle that supports the first diffuser body and the second diffuser body. The saddle is connected to the distribution pipe by a hollow core rivet. Gas is forced from the distribution pipe through the hollow core rivet where the gas passes into the first and second diffuser bodies. The gas exits the first diffuser body through a first diffusion media and exits the second diffuser body through a second diffusion media. The first and second diffusion media form the gas into fine bubbles that serve to facilitate aeration of a fluid.
    • 本发明的扩散器组件包括与空气分配管流体连通的第一和第二扩散器主体。 扩散器组件还包括支撑第一扩散器主体和第二扩散器主体的鞍座。 鞍座通过中空的铆钉连接到分配管。 气体从分配管道被迫穿过中空的核心铆钉,其中气体进入第一和第二扩散器本体。 气体通过第一扩散介质离开第一扩散体,并通过第二扩散介质离开第二扩散体。 第一和第二扩散介质将气体形成细气泡,以促进流体通气。