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1. 发明申请

WO2005107981A3 GREATER ANGLE AND OVERHANGING MATERIALS DEPOSITION 审中-公开
标题翻译：大角度和超重材料沉积
公开(公告)号：WO2005107981A3
公开(公告)日：2006-10-05
申请号：PCT/US2005015590
申请日：2005-05-04
申请人： OPTOMEC DESIGN , BULLEN JAMES L , KEICHER DAVID M
发明人： BULLEN JAMES L , KEICHER DAVID M
IPC分类号： B22F7/02 , B22F3/00 , B22F3/105 , B29C67/00
CPC分类号： B22F3/1055 , B22F3/004 , B22F2003/1058 , B29C64/153 , B29C64/40 , Y02P10/295
摘要： Apparatuses and methods for producing greater angle or overhanging deposits on a structure. Nozzles (18) for propelling powder at a target or structure for subsequent laser processing are preferably at a greater angle of powder entry than currently used. The nozzles (18) are arranged around the laser beam (10) and can be individual or disposed around an annular ring (17). The individual nozzles (18) can be interchangeable with the annular ring (17). Discrete nozzles (18) can be used in addition to or in place of the other nozzles, allowing angles of powder entry up to approximately 180 0 . The nozzles (18) may be translated or rotated with respect to the target along or about multiple axes.
摘要翻译：在结构上产生较大角度或悬垂沉积物的装置和方法。用于在目标或结构处推进粉末以用于随后的激光加工的喷嘴（18）优选地比目前使用的更大的粉末进入角度。喷嘴（18）围绕激光束（10）布置，并且可以单独地或设置在环形环（17）周围。各个喷嘴（18）可以与环形环（17）互换。离散喷嘴（18）可以用于除其他喷嘴之外或代替其他喷嘴，允许粉末进入角度高达大约180°。喷嘴（18）可以沿着或围绕多个轴线相对于目标平移或旋转。

2. 发明申请

WO2005107981A2 GREATER ANGLE AND OVERHANGING MATERIALS DEPOSITION 审中-公开
标题翻译：大角度和超重材料沉积
公开(公告)号：WO2005107981A2
公开(公告)日：2005-11-17
申请号：PCT/US2005/015590
申请日：2005-05-04
申请人： OPTOMEC DESIGN COMPANY , BULLEN, James, L. , KEICHER, David, M.
发明人： BULLEN, James, L. , KEICHER, David, M.
IPC分类号： B22F7/02
CPC分类号： B22F3/1055 , B22F3/004 , B22F2003/1058 , B29C64/153 , B29C64/40 , Y02P10/295
摘要： Apparatuses and methods for producing greater angle or overhanging deposits on a structure. Nozzles for propelling powder at a target or structure for subsequent laser processing are preferably at a greater angle of powder entry than currently used. The nozzles are arranged around the laser beam and can be individual or disposed around an annular ring. The individual nozzles can be interchangeable with the annular ring. Discrete nozzles can be used in addition to or in place of the other nozzles, allowing angles of powder entry up to approximately 180 0 . The nozzles may be translated or rotated with respect to the target along or about multiple axes. Also a method for temporarily supporting an overhang using weaker material under the overhang. The weaker material can be removed after the overhang is fabricated and solidified.
摘要翻译：在结构上产生更大角度或悬垂沉积物的装置和方法。用于在目标或结构处推进粉末以用于随后的激光加工的喷嘴优选地与当前使用的粉末进入的角度更大。喷嘴围绕激光束布置，并且可以单独地或围绕环形环设置。各个喷嘴可以与环形环互换。除了其他喷嘴之外或代替其他喷嘴，可以使用分立喷嘴，允许粉末入口角度高达约180°。喷嘴可以相对于目标沿着或绕着多个轴线平移或旋转。也是一种使用悬臂下方较弱材料临时支撑突出的方法。在悬臂制造和固化后，可以去除较弱的材料。

3. 发明申请

WO0156736A3 LASER ASSISTED DIRECT MATERIAL DEPOSITION WITH MODIFIED ABSORPTION 审中-公开
标题翻译：激光辅助直接材料沉积与改性吸收
公开(公告)号：WO0156736A3
公开(公告)日：2002-03-14
申请号：PCT/US0140039
申请日：2001-02-05
申请人： OPTOMEC DESIGN , KEICHER DAVID M , BULLEN JAMES L
发明人： KEICHER DAVID M , BULLEN JAMES L
IPC分类号： B22F3/105 , B23K26/18 , B23K26/34 , C23C4/00 , C23C26/02 , C23C30/00
CPC分类号： B23K26/009 , B22F3/1055 , B22F2003/1052 , B22F2998/00 , B23K26/18 , B23K35/302 , C23C24/103 , C23C24/106 , Y02P10/295 , B22F1/0003
摘要： In accordance with the present invention, there are provided methods to modulate the energy absorptivity of materials, particularly as the materials are employed in process such as laser-assisted direct materials deposition. Invention methods include combining materials of dissimilar energy absorptivity at a selected wavelength of electromagnetic energy. For example, by combining particles of material that are relatively reflective of electromagnetic energy at a selected wavelength, with materials that are more absorptive at the same wavelength, transfer of energy from the less absorptive material to the material that is more absorptive is facilitated. In this manner, less energy can be used to raise the temperature of the less absorptive material, by taking advantage of energy transfer from the more adsorptive material to that which is less absorptive at the selected wavelength.
摘要翻译：根据本发明，提供了调制材料的能量吸收性的方法，特别是当材料用于诸如激光辅助直接材料沉积的工艺中时。本发明的方法包括在选择的电磁波长的波长下组合不同能量吸收率的材料。例如，通过将具有选定波长的相对反射电磁能的材料颗粒与在相同波长下更吸收的材料组合，便于将能量从较少吸收材料转移到更吸收的材料。以这种方式，通过利用从较吸附材料到在所选波长处吸收较少的能量转移的优点，可以使用较少的能量来提高较少吸收材料的温度。

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