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    • 3. 发明授权
    • Method and device for atomizing liquids
    • 雾化液体的方法和装置
    • US06651898B2
    • 2003-11-25
    • US09944335
    • 2001-08-31
    • Markus NowotnyGuido Schaer
    • Markus NowotnyGuido Schaer
    • B05B1704
    • B05B3/1021
    • The present invention is a device for atomizing liquids which has: a) a rotatable apparatus for the reception of liquids to be atomized, the apparatus is defined by a cylinder having an interior chamber that runs the length of the cylinder with an internal diameter of about 10 to about 25 millimeters, the cylinder has an upper end with an opening into the interior chamber, which opening is adapted to receive liquids to be atomized, the cylinder has a closed lower end that terminates with a floor, the outer surface of the cylinder is defined by an outer casing having a plurality of circular hole-type nozzles extending up about 20 to about 120 millimeters from the lower end of the cylinder in an axial direction, the hole-type nozzles are in fluid communication with the interior chamber for introducing the liquid to be atomized into the nozzles; and b) a drive operably connected to the cylinder for rotating the hollow cylinder. A method of spray cooling a liquid using the device of the invention, and a method of producing powders from solutions, dispersions, emulsions, or melts are also provided.
    • 本发明是用于雾化液体的装置,其具有:a)用于接收待雾化的液体的可旋转装置,该装置由具有内部腔室的气缸限定,所述内部腔室的直径约为 10至25毫米,气缸具有一个通向内腔的开口的上端,该开口适于接收待雾化的液体,气缸具有一个封闭的下端,其终止于地板,气缸的外表面 由具有多个圆形孔型喷嘴的外壳限定,所述多个圆孔型喷嘴在轴向方向上从气缸的下端延伸约20至约120毫米,孔型喷嘴与内室进行流体连通以引入 待喷雾的液体; 和b)可操作地连接到所述气缸以驱动所述中空圆柱体的驱动器。 还提供了使用本发明的装置喷射冷却液体的方法,以及从溶液,分散体,乳液或熔体制备粉末的方法。
    • 5. 发明授权
    • Micromachined synthetic jet actuators and applications thereof
    • 微加工合成射流致动器及其应用
    • US06457654B1
    • 2002-10-01
    • US08969589
    • 1997-11-13
    • Ari GlezerMark G. Allen
    • Ari GlezerMark G. Allen
    • B05B1704
    • B64C21/08B64C2230/04B64C2230/06B64C2230/14B64C2230/16B64C2230/18B64G1/26B64G1/40B64G1/401F01D5/148F02K1/28F15C1/14F15C5/00F15D1/009F15D1/08F15D1/12F16K99/0001F16K99/0007F16K99/0034F16K99/0048F16K2099/0094F16K2099/0098F21V29/677F21V29/70F21V29/83F23R3/24F28F13/02H01L23/4336H01L2924/0002H01L2924/3011H05K7/20172Y02T50/166Y02T50/672Y02T50/673H01L2924/00
    • The present invention involves micromachined synthetic jet actuators, or “microjet” actuators. These fluidic control devices may be fabricated using standard silicon micromachining techniques and comprise an orifice situated atop an actuator cavity which is bounded at least partially by a flexible membrane. Alternatively, microjets may be formed in more robust substrates, such as metals or ceramics. Vibration of the membrane using either electrostatic or piezoelectric drives results in a turbulent air jet formed normal to the microjet orifice. The jet stream is synthesized by a train of vortex rings. Each vortex is formed by the motion of the diaphragm and is advanced away from the jet under self-induced velocity. Alternatively, the microjet actuator can comprise a “piston in cylinder” to take the functional place of the vibrating diaphragm. This can be accomplished by changing the aspect ratio of the actuator cavity to a deeper, more cylindrical shape. A piston-like actuator can then be realized by using a “bossed” diaphragm. An improvement to microjets is the use of modulators with the jet actuators. Modulators are generally devices to selectively cover and uncover the orifice of a synthetic jet actuator in order to prevent either flow into or out of the jet cavity. Such modulators are fabricated as either vertical drive, lateral drive or constricting modulators.
    • 本发明涉及微机加工的合成射流致动器或“微喷”致动器。 这些流体控制装置可以使用标准硅微加工技术制造,并且包括位于致动器空腔顶部的孔口,致动器空腔至少部分地由柔性膜限定。 或者,微孔可以形成在更坚固的基底中,例如金属或陶瓷。 使用静电或压电驱动的膜的振动导致与微喷嘴孔垂直形成的湍流空气喷射。 喷气流由一系列涡旋环合成。 每个涡流由隔膜的运动形成,并在自身引发的速度下从射流前进。 或者,微型喷墨致动器可以包括“活塞在气缸中”以占据振动膜片的功能位置。 这可以通过将致动器腔的纵横比改变为更深,更圆柱形的形状来实现。 然后可以通过使用“凸起的”隔膜来实现活塞式致动器。 微喷射器的改进是使用具有喷射致动器的调制器。 调制器通常是选择性地覆盖和揭开合成射流致动器的孔口的装置,以防止流入或流出喷射空腔。 这样的调制器被制造为垂直驱动,侧向驱动或收缩调制器。
    • 7. 发明授权
    • Spray gun with improved pre-atomization fluid mixing and breakup
    • 喷枪具有改进的预雾化流体混合和分解
    • US06808122B2
    • 2004-10-26
    • US10223193
    • 2002-08-19
    • Paul R. Mitcheli
    • Paul R. Mitcheli
    • B05B1704
    • B05B1/34B05B1/3046B05B7/1209
    • The present technique provides a system and method for improving atomization in a spray coating device by internally mixing and breaking up a desired coating fluid prior to atomization at a spray formation section of the spray coating device. An exemplary spray coating device of the present technique has a mixture-inducing valve disposed adjacent a flow barrier upstream of a spray formation exit. The mixture-inducing valve may have a variety of blunt/angled structures and internal passages to facilitate fluid mixing. The mixture-inducing valve also may interact with the flow barrier to enhance the fluid mixing and fluid breakup. One embodiment of the present spray coating device has an internal fluid breakup section, such as an impinging jet section, adjacent the mixture-inducing valve. The resulting spray coating has refined characteristics, such as reduced mottling.
    • 本技术提供了一种用于通过在喷雾装置的喷雾形成部分雾化之前内部混合和分解所需涂布液来改善喷涂装置中的雾化的系统和方法。 本技术的示例性喷涂装置具有邻近喷雾形成出口上游的流动阻挡件设置的混合物诱导阀。 混合物诱导阀可以具有各种钝/倾斜结构和内部通道以促进流体混合。 混合物诱导阀还可以与流动屏障相互作用以增强流体混合和流体分解。 本喷涂装置的一个实施例具有与混合物诱导阀相邻的内部流体分解部分,例如冲击射流部分。 所得到的喷涂具有精细的特性,例如减少斑驳。
    • 8. 发明授权
    • Droplet generation method and device
    • 液滴生成方法和装置
    • US06659364B1
    • 2003-12-09
    • US09913406
    • 2001-08-14
    • Victor Carey HumberstoneDavid Mark Blakey
    • Victor Carey HumberstoneDavid Mark Blakey
    • B05B1704
    • B05B17/0646B41J2202/15
    • A method of and apparatus for generating liquid droplets from an aperture in a membrane are disclosed in which the aperture has a diameter &phgr; at one face which is at most as large as its diameter at the other face, and a liquid is provided to the one face of the membrane adjacent the aperture. The liquid has a surface tension &sgr; and density &rgr;. A pressure bias is applied such that the pressure of the liquid at the one face of the membrane is lower than the pressure immediately adjacent to the opposing face of the membrane, and while the bias pressure is applied, the membrane is vibrated at a frequency f which is determined by the relationship: f ≤ ( 5 ⁢   ⁢ π ⁢   ⁢ σ ρ ⁢   ⁢ φ 3 ) 1 / 2 in order to generate droplets emerging from the other face.
    • 公开了一种用于从膜中的孔产生液滴的方法和装置,其中孔在一个面处具有直径φ1,其直径在其另一个面上至多等于其直径,并且液体被提供给一个 邻近孔的膜的面。 液体具有表面张力σ和密度rho。 施加压力偏压,使得膜的一面处的液体的压力低于紧邻膜的相对面的压力,并且当施加偏压时,膜以频率f 这是由关系决定的:为了产生从另一面出现的液滴。
    • 10. 发明授权
    • Spinning spray head and method
    • 旋喷头和方法
    • US06422480B1
    • 2002-07-23
    • US09711843
    • 2000-11-13
    • Harry Richmond
    • Harry Richmond
    • B05B1704
    • B24C1/086B05B3/02B05B3/0427B24C3/04B24C5/04
    • A nozzle and method for mixing abrasive particles with a stream of water and focusing the mixture of abrasive and water exiting the nozzle to improve the ability of the stream to remove paint and other coatings, rust, and scale and the like from a surface for use in operations such as metal finishing. The nozzle includes a spindle that rotates in a housing, the spindle including a chamber in which water passing through a passage in the spindle is mixed with abrasive particles. The passage through the spindle includes a section that is substantially coincident with the rotational axis of the spindle and a section that is angled relative to the section that is coincident with the rotational axis of the spindle, the mixing chamber being located in the off-axis section of and in fluid communication with the passage through the spindle. The mixture of abrasive and water then exits the nozzle from a focal tube that is also located in the angled section of the passage through the spindle such that the mixed water and abrasive defines a circular pattern that maintains the ability to finish the metal while widening the spray pattern, thereby improving the quality and speed of the metal finishing operation.
    • 一种用于将磨料颗粒与水流混合并将离开喷嘴的研磨剂和水的混合物聚焦的喷嘴和方法,以提高流从表面去除涂料和其它涂层,锈蚀和水垢等的能力 在金属加工等操作中。 喷嘴包括在壳体中旋转的主轴,所述主轴包括室,其中通过主轴中的通道的水与磨料颗粒混合。 通过主轴的通道包括与主轴的旋转轴线基本重合的部分和相对于与主轴的旋转轴线重合的部分成角度的部分,混合室位于离轴 并且与通过主轴的通道流体连通。 研磨剂和水的混合物然后从焦点管离开喷嘴,焦点管也位于通过主轴的通道的成角度部分中,使得混合水和研磨剂限定圆形图案,其保持完成金属的能力,同时加宽 喷涂图案,从而提高金属精加工的质量和速度。