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1. 发明申请

US20190105837A1 Selective Powder Delivery for Additive Manufacturing 审中-公开
公开(公告)号：US20190105837A1
公开(公告)日：2019-04-11
申请号：US16155460
申请日：2018-10-09
申请人： Raanan Zehavi , Hou T. Ng , Nag B. Patibandla , Eric Ng , Ajey M. Joshi , Kashif Maqsood , Paul J. Steffas
发明人： Raanan Zehavi , Hou T. Ng , Nag B. Patibandla , Eric Ng , Ajey M. Joshi , Kashif Maqsood , Paul J. Steffas
IPC分类号： B29C64/329 , B29C64/153 , B29C64/209 , B22F3/105 , B29C64/245
摘要： A dispensing system for an additive manufacturing includes a powder source that contains powder to form an object, and an array of nozzles positioned at a base of the powder source over a top surface of a platen where the object is to be formed. The powder flows from the powder source through the nozzles to the top surface. A respective powder wheel in each nozzle controls a flow rate of the powder. Each wheel has multiple troughs on surface of the wheel. When a motor rotates the wheel, the troughs transport the powder through the nozzle. The rotation speed of the wheel controls the flow rate. For solid parts of the object, the wheel rotates and allows the powder to be deposited on the top surface. For empty parts of the object, the wheel remains stationary to prevent the powder from flowing to the surface.

2. 发明申请

US20170072643A1 ADJUSTABLE Z-AXIS PRINTHEAD MODULE FOR ADDITIVE MANUFACTURING SYSTEM 审中-公开
标题翻译：可调整的Z轴式打印机模块用于附加制造系统
公开(公告)号：US20170072643A1
公开(公告)日：2017-03-16
申请号：US15265631
申请日：2016-09-14
申请人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
发明人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
IPC分类号： B29C67/00
CPC分类号： B29C64/153 , B22F3/003 , B22F3/1055 , B22F2003/1056 , B29C64/165 , B29C64/20 , B29C64/205 , B29C64/209 , B29C64/232 , B29C64/236 , B29C64/264 , B29C64/295 , B29C64/307 , B29C64/336 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y70/00 , Y02P10/295
摘要： An additive manufacturing system includes a platen having a top surface to support an object being manufactured, a support that is movable along a vertical axis, an actuator to move the support along the vertical axis, a dispenser to deliver a plurality of successive layers of feed material over the platen, an energy source configured to fuse at least a portion of the feed material, and a controller. The dispenser and energy source are mounted on the support over the platen such that motion of the support along the vertical axis moves the dispenser and energy source together toward or away from the top surface of the platen. The controller is coupled to the actuator, dispenser and energy source and configured to cause the actuator to move the support to lift the dispenser and actuator away from the top surface after each of the plurality of successive layers is delivered.
摘要翻译：添加剂制造系统包括具有顶表面以支撑正在制造的物体的台板，可沿着垂直轴线移动的支撑件，沿垂直轴线移动支撑件的致动器，分配器，以输送多个连续的进料层材料在压板上，被配置为熔化进料的至少一部分的能量源和控制器。分配器和能量源安装在压板上的支撑件上，使得支撑件沿着垂直轴的运动将分配器和能量源一起朝向或远离压板的顶表面移动。控制器耦合到致动器，分配器和能量源，并且被配置为使得致动器移动支撑件，以在输送多个连续的层中的每一个之后使分配器和致动器从顶表面离开。

3. 发明申请

US20170072644A1 ARRAY OF PRINTHEAD MODULES FOR ADDITIVE MANUFACTURING SYSTEM 审中-公开
标题翻译：用于添加制造系统的打印机模块阵列
公开(公告)号：US20170072644A1
公开(公告)日：2017-03-16
申请号：US15266494
申请日：2016-09-15
申请人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
发明人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
IPC分类号： B29C67/00
摘要： An additive manufacturing system includes a platen having a top surface to support an object being manufactured, a support structure, an actuator coupled to at least one of the platen or the support structure to create relative motion there between along a first axis parallel to the top surface, a plurality of printheads mounted on the support structure, and an energy source. Each printhead includes a dispenser to deliver a plurality of successive layers of feed material over the platen. The printheads are spaced along a second axis perpendicular to the first axis such that during motion along the first axis the plurality of printheads dispense feed material in a plurality of parallel swaths along the first axis. The energy source is configured to fuse at least a portion of the feed material.
摘要翻译：添加剂制造系统包括具有顶表面以支撑正在制造的物体的压板，支撑结构，联接到压板或支撑结构中的至少一个的致动器，以在平行于顶部的第一轴线之间产生相对运动表面，安装在支撑结构上的多个打印头和能量源。每个打印头包括分配器，用于在压板上方输送多个连续的进料材料层。打印头沿着垂直于第一轴线的第二轴线间隔开，使得在沿着第一轴线运动的过程中，多个打印头沿着第一轴线分配多个平行的进给材料。能量源被配置为熔化进料的至少一部分。

4. 发明申请

US20170072636A1 POWDER DELIVERY FOR ADDITIVE MANUFACTURING 审中-公开
标题翻译：粉末输送用于添加剂制造
公开(公告)号：US20170072636A1
公开(公告)日：2017-03-16
申请号：US15266420
申请日：2016-09-15
申请人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
发明人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
IPC分类号： B29C67/00 , B33Y30/00
CPC分类号： B33Y30/00 , B29C64/153 , B29C64/20
摘要： An apparatus includes a platen and a dispensing system overlying the platen. The dispensing system includes a powder source. The dispensing system further includes a powder conveyor extending over the top surface of the platen, rings arranged coaxially along a longitudinal axis of the powder conveyor, and a cap plate extending along a length of the tube. The powder conveyor is configured to receive powder from the powder source. The powder conveyor is configured to move the powder. The rings form a tube surrounding the powder conveyor to contain the powder. Each concentric ring includes a ring opening. Each ring is configured to be independently rotatable. The cap plate includes a cap plate opening. The powder is dispensed from the tube through the ring opening and the cap plate opening when the ring opening and the cap plate opening are aligned.
摘要翻译：一种装置包括压板和覆盖压板的分配系统。分配系统包括粉末源。分配系统还包括沿着压板的顶表面延伸的粉末输送器，沿着粉末输送器的纵向轴线同轴布置的环以及沿管的长度延伸的盖板。粉末输送机构造成从粉末源接收粉末。粉末输送机构造成移动粉末。环形成围绕粉末输送机的管以容纳粉末。每个同心环包括一个环形开口。每个环配置为独立旋转。盖板包括盖板开口。当环形开口和盖板开口对齐时，粉末通过环形开口和盖板开口从管中分配。

5. 发明申请

US20170072463A1 PRINTHEAD MODULE FOR ADDITIVE MANUFACTURING SYSTEM 审中-公开
标题翻译：用于添加剂制造系统的打印机模块
公开(公告)号：US20170072463A1
公开(公告)日：2017-03-16
申请号：US15265618
申请日：2016-09-14
申请人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
发明人： Hou T. Ng , Raanan Zehavi , Nag B. Patibandla
IPC分类号： B22F3/00 , B33Y30/00 , B22F3/105
CPC分类号： B33Y30/00 , B22F3/003 , B22F3/008 , B22F3/1055 , B22F2003/1056 , B29C64/153 , B29C64/165 , B29C64/20 , B29C64/205 , B29C64/209 , B29C64/236 , B29C64/264 , B29C64/295 , B29C64/336 , B33Y10/00 , B33Y50/02 , B33Y70/00 , Y02P10/295
摘要： A module for an additive manufacturing system includes a frame configured to be removably mounted on a movable support, a dispenser configured to deliver a layer of particles on a platen that is separate from the frame or an underlying layer on the platen, a heat source configured to heat the layer of particles to a temperature below a temperature at which the particles fuse, and an energy source configured to fuse the particles. The dispenser, heat source and energy source are positioned on the frame in order along a first axis, and the dispenser, heat source and energy source are fixed to the frame such that the frame, dispenser, heat source and energy source can be mounted and dismounted as a single unit from the support.
摘要翻译：用于添加剂制造系统的模块包括被构造成可移除地安装在可移动支撑件上的框架，分配器，被配置为在与所述框架或所述压板上的下层分离的压板上输送颗粒层，配置以将颗粒层加热到低于颗粒熔化的温度的温度，以及被配置为熔化颗粒的能量源。分配器，热源和能量源沿着第一轴线顺序地定位在框架上，并且分配器，热源和能量源被固定到框架，使得可以安装框架，分配器，热源和能量源，从支持单位卸下。

6. 发明申请

US20160368055A1 SELECTIVE DEPOSITING OF POWDER IN ADDITIVE MANUFACTURING 审中-公开
标题翻译：添加剂制造中选择性沉积粉末
公开(公告)号：US20160368055A1
公开(公告)日：2016-12-22
申请号：US15186277
申请日：2016-06-17
申请人： Bharath Swaminathan , Ajey M. Joshi , Nag B. Patibandla , Hou T. Ng , Ashavani Kumar , Eric Ng , Bernard Frey , Kasiraman Krishnan
发明人： Bharath Swaminathan , Ajey M. Joshi , Nag B. Patibandla , Hou T. Ng , Ashavani Kumar , Eric Ng , Bernard Frey , Kasiraman Krishnan
IPC分类号： B22F3/105 , B33Y30/00 , B23K26/16 , B22F3/10 , B23K26/342 , B33Y10/00 , B33Y50/02
CPC分类号： B22F3/1055 , B22F2003/1057 , B23K26/16 , B23K26/342 , B23K2103/05 , B23K2103/08 , B23K2103/14 , B23K2103/26 , B29C64/153 , B29C64/245 , B33Y10/00 , B33Y30/00 , B33Y50/02 , Y02P10/295
摘要： A method of additive manufacturing include delivering at least one layer by either depositing a uniform layer of powder on a support and then removing a portion of the layer with a roller with a surface having spatially controlled electrostatic charge, or by depositing powder onto the surface of the roller and moving the roller relative to a support such that the spatially controllable electrostatic charge on the surface of the roller causes transfer of a corresponding portion of the powder from the roller onto the support or an underlying layer.
摘要翻译：添加剂制造的方法包括通过在支撑体上沉积均匀的粉末层，然后用具有空间控制静电荷的表面的辊去除一部分层，或通过将粉末沉积在辊子并相对于支撑件移动辊子，使得辊子表面上的空间可控静电电荷使得相应部分的粉末从辊转移到支撑件或下层上。

7. 发明申请

US20180339450A1 ENERGY DELIVERY WITH ROTATING POLYGON AND MULTIPLE LIGHT BEAMS ON SAME PATH FOR ADDITIVE MANUFACTURING 审中-公开
公开(公告)号：US20180339450A1
公开(公告)日：2018-11-29
申请号：US15960481
申请日：2018-04-23
申请人： Jeffrey L. Franklin , Hou T. Ng , Nag B. Patibandla
发明人： Jeffrey L. Franklin , Hou T. Ng , Nag B. Patibandla
IPC分类号： B29C64/153 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B29C64/245 , B29C64/205 , B29C64/268 , B29C64/393
摘要： An additive manufacturing apparatus includes a platform, a dispenser to deliver a plurality of layers of feed material, one or more light sources configured to emit a first light beam and a second light beam, and a polygon beam scanner including a rotatable mirror having a plurality of reflective facets to redirect the first light beam and the second light beam toward the platform to deliver energy to an uppermost layer of feed material. The mirror is positioned and rotatable such that motion of each facet of the plurality of reflective facets causes the first light beam to sweep along a first path on the uppermost layer and causes the second light beam to sweep along the first path following the first light beam.

8. 发明申请

US20170021419A1 ADDITIVE MANUFACTURING WITH MULTIPLE HEAT SOURCES 审中-公开
标题翻译：具有多个热源的添加剂制造
公开(公告)号：US20170021419A1
公开(公告)日：2017-01-26
申请号：US15213277
申请日：2016-07-18
申请人： Hou T. Ng , Bharath Swaminathan , Nag B. Patibandla , Ajey M. Joshi , Ashavani Kumar , Eric Ng , Bernard Frey , Kasiraman Krishnan
发明人： Hou T. Ng , Bharath Swaminathan , Nag B. Patibandla , Ajey M. Joshi , Ashavani Kumar , Eric Ng , Bernard Frey , Kasiraman Krishnan
IPC分类号： B22F3/105 , B28B1/00 , B33Y10/00 , C04B35/64 , B33Y40/00 , B23K26/342 , B23K26/70 , H05B3/00 , B29C67/00 , B33Y30/00
CPC分类号： B22F3/1055 , B22F2003/1056 , B22F2003/1057 , B22F2203/11 , B22F2998/10 , B22F2999/00 , B29C64/153 , B29K2105/251 , B33Y10/00 , B33Y30/00 , B33Y40/00 , H05B3/0057 , H05B3/0061 , H05B2203/032 , Y02P10/295 , B22F1/0085
摘要： An additive manufacturing system includes a platen having a top surface to support an object being manufactured, a dispenser to deliver a plurality of successive layers of feed material over the platen, an energy source positioned above the platen to direct a beam to fuse at least some of an outermost layer of feed material, and a plurality of lamps disposed above the platen and around the energy source to radiatively heat the outermost layer of feed material.
摘要翻译：添加剂制造系统包括具有用于支撑待制造物体的顶表面的压板，用于在压板上方输送多个连续的进料材料层的分配器，位于压板上方的能量源，以引导束熔化至少一些的最外层进料材料，以及多个灯，其设置在压板上方和能量源周围，以辐射加热进料的最外层。

9. 发明申请

US20160368077A1 SURFACE PROCESSING IN ADDITIVE MANUFACTURING WITH LASER AND GAS FLOW 审中-公开
标题翻译：表面加工与添加剂制造与激光和气体流动
公开(公告)号：US20160368077A1
公开(公告)日：2016-12-22
申请号：US15186247
申请日：2016-06-17
申请人： Bharath Swaminathan , Eric Ng , Nag B. Patibandla , Hou T. Ng , Ajey M. Joshi , Ashavani Kumar , Bernard Frey , Kasiraman Krishnan
发明人： Bharath Swaminathan , Eric Ng , Nag B. Patibandla , Hou T. Ng , Ajey M. Joshi , Ashavani Kumar , Bernard Frey , Kasiraman Krishnan
IPC分类号： B23K10/00 , H01J37/305 , H05H1/30 , B25J9/00 , B23K26/36
CPC分类号： H01J37/3056 , B22F2003/247 , B22F2998/10 , B22F2999/00 , B23K10/003 , B23K10/006 , B23K26/032 , B23K26/0884 , B23K26/127 , B23K26/352 , B23K26/355 , B23K26/36 , B23K2103/05 , B23K2103/14 , B23K2103/26 , B23K2103/42 , B23K2103/52 , B25J9/0096 , B29C64/188 , B29C64/35 , B33Y10/00 , B33Y40/00 , B33Y50/02 , H01J37/321 , H01J37/32366 , H01J2237/3174 , H01J2237/31749 , H05H1/2406 , H05H1/30 , H05H2001/245 , H05H2245/123 , Y10S901/42 , B22F3/008 , B22F3/1055 , B22F2202/13
摘要： An apparatus for surface modification includes a support to hold a workpiece, a plasma source to generate a plasma in a localized region that is smaller than the workpiece, and a six-axis robot to manipulate relative positioning of the workpiece and the plasma source. The six-axis robot is coupled to at least one of the support and the plasma source.
摘要翻译：用于表面改性的装置包括用于保持工件的支撑件，等离子体源以在小于工件的局部区域中产生等离子体;以及六轴机器人来操纵工件和等离子体源的相对定位。六轴机器人耦合到支撑件和等离子体源中的至少一个。

10. 发明申请

US20170014906A1 ADDITIVE MANUFACTURING WITH COOLANT SYSTEM 审中-公开
标题翻译：配有冷却系统的添加剂制造
公开(公告)号：US20170014906A1
公开(公告)日：2017-01-19
申请号：US15211872
申请日：2016-07-15
申请人： Hou T. Ng , Nag B. Patibandla , Ajey M. Joshi , Bharath Swaminathan , Ashavani Kumar , Eric Ng , Bernard Frey , Kasiraman Krishnan
发明人： Hou T. Ng , Nag B. Patibandla , Ajey M. Joshi , Bharath Swaminathan , Ashavani Kumar , Eric Ng , Bernard Frey , Kasiraman Krishnan
IPC分类号： B22F3/105 , B33Y30/00 , B33Y10/00 , H05B3/00 , B28B17/00 , B33Y40/00 , B23K26/342 , B23K26/70 , B29C67/00 , B28B1/00
摘要： An additive manufacturing system includes a platen having a top surface to support an object being manufactured, a feed material dispenser to deliver a plurality of successive layers of feed material over the platen, an energy source positioned above the platen to fuse at least a portion of an outermost layer of feed material, and a coolant fluid dispenser to deliver a coolant fluid onto the outermost layer of feed material after at least a portion of the outermost layer has been fused.
摘要翻译：添加剂制造系统包括具有用于支撑正在制造的物体的顶表面的压板，用于在压板上方输送多个连续的进料材料层的进料分配器，位于压板上方的能量源，以将至少一部分最外层的进料，以及冷却剂流体分配器，用于在最外层的至少一部分熔融之后将冷却剂流体输送到进料的最外层上。

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