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1. 发明授权

US10391706B2 Polymer spray deposition methods and systems 有权
公开(公告)号：US10391706B2
公开(公告)日：2019-08-27
申请号：US16016925
申请日：2018-06-25
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： David Mathew Johnson , Armin R. Volkel , Victor Beck , John Steven Paschkewitz
IPC分类号： B29C64/20 , B29C64/106 , B05B17/04 , B29C64/112 , B29K105/00 , B29K101/12 , B33Y10/00 , B33Y30/00
摘要： A method of creating a three-dimensional object includes generating a spray from a fluid by stretching the fluid between two diverging surfaces into a fluid filament until the fluid filament breaks into a plurality of droplets and forms the spray, entraining the spray in a carrier gas flow, directing the carrier gas flow toward a target surface through a multi-nozzle array, and repeatedly applying the carrier gas flow on a target surface to form the three-dimensional object by controlling the direction of the carrier gas flow toward the target surface.

2. 发明授权

US09757747B2 Methods and systems for creating aerosols 有权
公开(公告)号：US09757747B2
公开(公告)日：2017-09-12
申请号：US14288049
申请日：2014-05-27
申请人： Palo Alto Research Center Incorporated
发明人： David Mathew Johnson , Victor Beck
IPC分类号： B05B17/04 , B05B9/03 , B01J13/00 , B05B7/00 , B05B15/04
CPC分类号： B05B9/03 , B01J13/0095 , B05B3/02 , B05B7/0075 , B05B12/16 , B05B12/32 , B05B17/04
摘要： Aerosols can be created by filament stretching and breaking of Newtonian and non-Newtonian fluids by applying a strain to and stretching the fluid. The fluid is stretched along a strain pathway and forms a fluid filament between diverging surfaces. The stretched fluid filament breaks into droplets that can be harvested to form a mist or aerosol. The aerosol creation systems can include one or more pairs of counter-rotating rollers that are positioned adjacent to each other that stretch the fluid or a pair of pistons that move toward and away from each other to stretch the fluid. Some aerosol creation systems can include multiple pairs of counter-rotating rollers that are positioned in a circular, oval, or linear pattern. The aerosol creation system with multiple pairs of counter-rotating rollers can generate mist is one or more directions and can be positioned between two concentric rings or linearly, among other configurations.

3. 发明授权

US09962673B2 Methods and systems for creating aerosols 有权
公开(公告)号：US09962673B2
公开(公告)日：2018-05-08
申请号：US14066418
申请日：2013-10-29
申请人： Palo Alto Research Center Incorporated
发明人： Victor Beck , David Mathew Johnson
IPC分类号： C09K3/30 , B01J13/00 , B05B17/04 , B05B3/02 , B05B7/00 , B05B15/04
CPC分类号： B01J13/0095 , B05B3/02 , B05B7/0075 , B05B12/16 , B05B12/32 , B05B17/04
摘要： Aerosols can be created by filament stretching and breaking of Newtonian and non-Newtonian fluids by applying a strain to and stretching the fluid. The fluid is stretched along a strain pathway and forms a fluid filament. The fluid filament is caused to break into droplets that can be harvested to form a mist or aerosol. Such a system for aerosol creation can include a pair of counter-rotating rollers that are positioned adjacent to each other that stretch the fluid or a pair of pistons that move toward and away from each other to stretch the fluid.

4. 发明授权

US09707588B2 Methods and systems for creating aerosols 有权
公开(公告)号：US09707588B2
公开(公告)日：2017-07-18
申请号：US14288036
申请日：2014-05-27
申请人： Palo Alto Research Center Incorporated
发明人： David Mathew Johnson , Victor Beck
IPC分类号： B05B17/04 , B01J13/00 , B05B7/00 , B05B15/04
CPC分类号： B05B17/04 , B01J13/0095 , B05B3/02 , B05B7/0075 , B05B12/16 , B05B12/32
摘要： Aerosols can be created by filament stretching and breaking of Newtonian and non-Newtonian fluids by applying a strain to and stretching the fluid. The fluid is stretched along a strain pathway and forms a fluid filament between diverging surfaces. The stretched fluid filament breaks into droplets that can be harvested to form a mist or aerosol. The aerosol creation systems can include one or more pairs of counter-rotating rollers that are positioned adjacent to each other that stretch the fluid or a pair of pistons that move toward and away from each other to stretch the fluid. Some aerosol creation systems can include multiple pairs of counter-rotating rollers that are positioned in a circular, oval, or linear pattern. The aerosol creation system with multiple pairs of counter-rotating rollers can generate mist is one or more directions and can be positioned between two concentric rings or linearly, among other configurations.

5. 发明授权

US10898914B2 Methods and systems for creating aerosols 有权
公开(公告)号：US10898914B2
公开(公告)日：2021-01-26
申请号：US16215739
申请日：2018-12-11
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： David Mathew Johnson , Victor Beck
IPC分类号： B05B9/03 , B01J13/00 , B05B17/04 , B05B3/02 , B05B7/00 , B05B12/32
摘要： A method of creating aerosols includes drawing a fluid from a fluid source through a first nip, the first nip defined between a first roller and an inner surface of a ring, the first nip having an upstream side and a downstream side, drawing the fluid from the fluid source through a second nip, the second nip defined between a second roller and the inner surface of the ring, the second roller positioned adjacent to and spaced apart from the first roller in a circular configuration, the second nip having an upstream side and a downstream side, stretching the fluid between diverging surfaces of the first roller and the inner surface of the ring on the downstream side of the first nip to form a first fluid filament, stretching the fluid between diverging surface of the second roller and the inner surface of the ring on the downstream side of the second nip to form a second fluid filament, causing the first fluid filament to break into a plurality of first droplets, and causing the second fluid filament to break into a plurality of second droplets.

6. 发明授权

US10173365B2 Spray charging and discharging system for polymer spray deposition device 有权
公开(公告)号：US10173365B2
公开(公告)日：2019-01-08
申请号：US15848378
申请日：2017-12-20
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： John Steven Paschkewitz , Eric Shrader , Victor Beck
IPC分类号： B05B5/00 , B29C64/112 , B05B17/04 , B41J2/045 , B33Y30/00 , B33Y50/02 , B05B5/04 , B05D1/04
摘要： The disclosed spray deposition systems and methods use spray charging and discharging techniques to assist with digital deposition of spray droplets on a substrate. For example, the disclosed systems and methods have a charging system that generates spray droplets from a spray generator and charges the droplets. Focusing electrodes help to collimate the droplets into a tight droplet stream and, optionally, steering electrodes help direct the tight droplet stream. A charge removal system neutralizes or removes the charge from the droplets, either during the deposition of the droplets on a substrate or after the droplets have been deposited on a substrate.

7. 发明授权

US10016777B2 Methods and systems for creating aerosols 有权
公开(公告)号：US10016777B2
公开(公告)日：2018-07-10
申请号：US14066435
申请日：2013-10-29
申请人： Palo Alto Research Center Incorporated
发明人： Victor Beck , David Mathew Johnson
IPC分类号： B05B3/02 , B05B3/10 , B05B15/04 , B05B17/04 , B01J13/00 , B05B5/057 , B05C1/08 , B05B7/00
CPC分类号： B05B17/04 , B01J13/0095 , B05B3/02 , B05B3/10 , B05B5/057 , B05B7/0075 , B05C1/0813 , Y10S118/14
摘要： Aerosols can be created by filament stretching and breaking of Newtonian and non-Newtonian fluids by applying a strain to and stretching the fluid. The fluid is stretched along a strain pathway and forms a fluid filament. The fluid filament is caused to break into droplets that can be harvested to form a mist or aerosol. Such a system for aerosol creation can include a pair of counter-rotating rollers that are positioned adjacent to each other that stretch the fluid or a pair of pistons that move toward and away from each other to stretch the fluid.

8. 发明授权

US09527056B2 Methods and systems for creating aerosols 有权
标题翻译：用于制造气溶胶的方法和系统
公开(公告)号：US09527056B2
公开(公告)日：2016-12-27
申请号：US14288068
申请日：2014-05-27
申请人： Palo Alto Research Center Incorporated
发明人： David Mathew Johnson , Victor Beck
IPC分类号： B05B5/057 , B05B15/04 , B05B17/04 , B01J13/00
CPC分类号： B01J13/0095 , B05B3/02 , B05B7/0075 , B05B12/16 , B05B12/32 , B05B17/04
摘要： Aerosols can be created by filament stretching and breaking of Newtonian and non-Newtonian fluids by applying a strain to and stretching the fluid. The fluid is stretched along a strain pathway and forms a fluid filament between diverging surfaces. The stretched fluid filament breaks into droplets that can be harvested to form a mist or aerosol. The aerosol creation systems can include one or more pairs of counter-rotating rollers that are positioned adjacent to each other that stretch the fluid or a pair of pistons that move toward and away from each other to stretch the fluid. Some aerosol creation systems can include multiple pairs of counter-rotating rollers that are positioned in a circular, oval, or linear pattern. The aerosol creation system with multiple pairs of counter-rotating rollers can generate mist is one or more directions and can be positioned between two concentric rings or linearly, among other configurations.
摘要翻译：气溶胶可以通过对牛顿和非牛顿流体施加应变和拉伸流体的细丝拉伸和断裂而产生。流体沿应变通道拉伸，并在发散表面之间形成流体细丝。拉伸的流体细丝破裂成液滴，可以收获以形成雾或气溶胶。气溶胶产生系统可以包括一对或多对反向旋转辊，它们彼此相邻地定位，其拉伸流体或一对向彼此移动并远离彼此移动的活塞，以拉伸流体。一些气溶胶产生系统可以包括多对反向旋转的辊，其以圆形，椭圆形或线性图案定位。具有多对反转辊的气溶胶产生系统可以产生雾是一个或多个方向，并且可以位于两个同心环之间或者线性地位于其他构造之间。

9. 发明授权

US10029416B2 Polymer spray deposition methods and systems 有权
公开(公告)号：US10029416B2
公开(公告)日：2018-07-24
申请号：US14166834
申请日：2014-01-28
申请人： Palo Alto Research Center Incorporated
发明人： David Mathew Johnson , Armin R. Volkel , Victor Beck , John Steven Paschkewitz
IPC分类号： B29C67/00 , B05B17/04 , B29C64/112 , B29C64/20 , B29K105/00 , B29K101/12 , B33Y10/00 , B33Y30/00
摘要： Polymer spray deposition systems and methods are disclosed that can be used with a wide range of thermoplastic materials to produce high resolution objects having the complexity and structural integrity typically only achieved using more traditional manufacturing techniques, like injection molding processes. The polymeric spray deposition systems and methods use a spray generator that stretches the fluid between two diverging surfaces, such as two rollers or between two pistons. The stretched fluid breaks apart into a plurality of droplets and is guided through a delivery system, that can include an optional droplet size selector, and into a multi-nozzle array. The multi-nozzle array is controlled and directs the spray onto a target surface, thereby creating a three-dimensional object. The disclosed polymer spray deposition systems and methods can be used in three-dimensional print heads and printing techniques.

10. 发明授权

US09259939B2 Print head ink flow path with bubble removal grooves 有权
标题翻译：打印头墨水流动通道，带有气泡去除槽
公开(公告)号：US09259939B2
公开(公告)日：2016-02-16
申请号：US14142305
申请日：2013-12-27
申请人： Palo Alto Research Center Incorporated
发明人： John S. Paschkewitz , Emily Tow , Victor Beck , Kai Melde
IPC分类号： B41J2/19 , B41J2/14
CPC分类号： B41J2/19 , B41J2/14201 , B41J2/17593 , B41J29/13 , B41J29/377 , B41J2002/14169 , B41J2002/14419
摘要： A print head includes an inlet port that receives a flow of a phase-change ink and an outlet port that delivers the flow to a jet. The print head includes a flow path along a flow direction from the inlet port to the outlet port. The flow path has top and bottom planar surfaces, and further includes two or more elongated grooves in at least one of the top and bottom planar surfaces. The two or more elongated grooves are at an angle to the flow direction and have a threshold capillary dimension such that bubbles in the phase-change ink are directed along the elongated grooves.
摘要翻译：打印头包括接收相变墨水的流入口和将流输送到射流的出口端口。打印头包括沿着从入口到出口的流动方向的流动路径。流动路径具有顶部和底部平坦表面，并且还包括在顶部和底部平坦表面中的至少一个中的两个或更多细长槽。两个或多个细长槽与流动方向成一定角度并且具有阈值毛细管尺寸，使得相变油墨中的气泡沿着细长槽被引导。

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