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    Additive deposition system and method
    1.
    发明授权
    Additive deposition system and method 有权

    公开(公告)号：US10434703B2

    公开(公告)日：2019-10-08

    申请号：US15001452

    申请日：2016-01-20

    Applicant: Palo Alto Research Center Incorporated

    Inventor： David Mathew Johnson ,  Victor Alfred Beck ,  Scott A. Elrod ,  David K. Biegelsen

    IPC: G03G13/05 ,  B29C64/112 ,  B29C64/357 ,  B33Y30/00 ,  B29C64/106 ,  B29C64/20 ,  B33Y10/00

    Abstract: An additive deposition system and method, the system including generating an aerosol of additive material that is charged and deposited onto a selectively charged substrate. Selectively charging the substrate includes uniformly charging a surface of the substrate, selectively removing charged from the substrate to create charged and neutral regions of the substrate surface. The charged regions of the substrate having a polarity opposite a polarity of the charged aerosol. The charged aerosol of additive material deposited onto the selectively charged portions of the substrate surface due to the potential difference between the charged substrate and charged aerosol. The system and method further including repeating the additive deposition process to create a multi-layer matrix of additive material.

    DEVICES AND METHODS FOR THE CONTROLLED FORMATION AND DISPENSION OF SMALL DROPS OF HIGHLY VISCOUS AND/OR NON-NEWTONIAN LIQUIDS
    2.
    发明申请
    DEVICES AND METHODS FOR THE CONTROLLED FORMATION AND DISPENSION OF SMALL DROPS OF HIGHLY VISCOUS AND/OR NON-NEWTONIAN LIQUIDS 有权
    用于控制形成和释放高粘度和/或非牛顿液体的小颗粒的装置和方法

    公开(公告)号：US20160175874A1

    公开(公告)日：2016-06-23

    申请号：US14575922

    申请日：2014-12-18

    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED

    Inventor： Victor Alfred Beck ,  David Mathew Johnson

    IPC: B05B17/04 ,  B05B15/04 ,  B05B9/03 ,  B05B1/02 ,  B05B9/00

    CPC classification number: B05B17/04 ,  B01J13/0095

    Abstract: The disclosed spray deposition systems and methods control the formation and dispensation of droplets during the atomization of a fluid. Such systems and methods generally can generate small quantities and droplets of a desired size of highly-viscous fluids and/or fluids having non-Newtonian properties or other complex rheologies using mechanical systems and processes with the option of further controlling the droplet size and/or the volume of droplets with various enhancements. The systems and methods stretch fluid between a fluid feed system and a surface and are able to form the controlled-volume of the droplets.

    Abstract translation: 所公开的喷雾沉积系统和方法控制在流体雾化期间液滴的形成和分配。 这样的系统和方法通常可以使用机械系统和方法产生具有非牛顿性质或其他复杂流变学的所需尺寸的高粘度流体和/或流体的少量和液滴，并且可选择进一步控制液滴尺寸和/或 具有各种增强的液滴体积。 系统和方法在流体供给系统和表面之间拉伸流体并且能够形成液滴的受控体积。

    Electrostatic polymer aerosol deposition and fusing of solid particles for three-dimensional printing
    3.
    发明授权
    Electrostatic polymer aerosol deposition and fusing of solid particles for three-dimensional printing 有权

    公开(公告)号：US10919215B2

    公开(公告)日：2021-02-16

    申请号：US15683531

    申请日：2017-08-22

    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED

    Inventor： David Mathew Johnson ,  Scott A. Elrod ,  David K. Biegelsen ,  Victor Alfred Beck

    IPC: B29C64/141 ,  B33Y10/00 ,  B29C64/205 ,  B33Y30/00 ,  B29C64/209 ,  B05D1/04

    Abstract: An additive manufacturing system has an aerosol generator to aerosolize a powder, a deposition surface, a surface charging element to apply a blanket charge to the deposition surface, a charging print head to selectively remove portions of the blanket charge from the deposition surface, and a transport system to transport the aerosol powder from the aerosol generator to the deposition surface, the transport system having an aerosol charging element to apply charge opposite of the blanket charge to the aerosol powder. An additive manufacturing process includes creating an aerosol from a powder at a spray generator, charging the aerosol to produce a charged aerosol having a first charge, forming a blanket charge on a deposition surface having a second charge of an opposite polarity from the first charge, selectively removing regions of the blanket charge, and transporting the charged aerosol to the charged regions to form structures on the charged regions from the charged aerosol.

    System and method for coating a substrate
    8.
    发明授权
    System and method for coating a substrate 有权

    公开(公告)号：US10112213B2

    公开(公告)日：2018-10-30

    申请号：US15981710

    申请日：2018-05-16

    Applicant: PALO ALTO RESEARCH CENTER INCORPORATED

    Inventor： David Mathew Johnson ,  Victor Alfred Beck

    IPC: B05D1/02 ,  B01J2/02 ,  B05B5/16 ,  B05B9/00 ,  B05B7/18 ,  B05B5/08 ,  B05D1/06

    Abstract: A method of powder coating a substrate includes receiving a powder coating material into a feed input, using the feed input, melting the powder coating material into a homogeneous fluid of powder coating material, receiving the homogeneous fluid of powder coating material into a filament extension atomizer positioned in-line with the feed input, atomizing, with the filament extension atomizer, the received homogeneous fluid of powder coating material into multiple droplets of powder coating material, cooling the droplets of powder coating material to a processing temperature that prevents the droplets from agglomerating, and directing the cooled droplets through a deposition passage positioned in-line with the filament extension atomizer, the deposition passage configured to direct at least a portion of the cooled droplets towards a substrate.

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