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公开(公告)号：US20210402691A1
公开(公告)日：2021-12-30
申请号：US17354943
申请日：2021-06-22
发明人： Daniel Brück , Zhuo Peng , Naveed Iqbal , Torsten Kuntoff , Hendrik Jargstorf
IPC分类号： B29C64/25 , B29C64/245 , B29C64/264 , B29C64/364 , B29C64/153
摘要： A process chamber housing for an additive manufacturing apparatus comprising a process chamber with a bottom, a ceiling, and sidewalls jointly enclosing a volume of the process chamber, with a gas inlet in a front wall and a gas outlet in a rear wall of the sidewalls. The gas inlet and outlet are positioned at opposite sides of an opening in the bottom and face each other, which allows for an improved removal of smoke out of the process chamber if the gas inlet has a width wi, the opening has a width ws, and the gas outlet has a width w0, such that at least one of the relations (i) wi≥ws±4 cm and w0≥ws±4 cm; (ii) wi≥ws and/or w0≥ws; and (iii) wi≥ws+1 cm and/or w0≥ws+1 cm is satisfied.
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公开(公告)号：US11731356B2
公开(公告)日：2023-08-22
申请号：US17354943
申请日：2021-06-22
发明人： Daniel Brück , Zhuo Peng , Naveed Iqbal , Torsten Kuntoff , Hendrik Jargstorf
IPC分类号： B29C64/25 , B29C64/153 , B33Y30/00 , B29C64/264 , B29C64/364 , B29C64/245 , B33Y40/20
CPC分类号： B29C64/25 , B29C64/153 , B29C64/245 , B29C64/264 , B29C64/364 , B33Y30/00 , B33Y40/20
摘要： A process chamber housing for an additive manufacturing apparatus comprising a process chamber with a bottom, a ceiling, and sidewalls jointly enclosing a volume of the process chamber, with a gas inlet in a front wall and a gas outlet in a rear wall of the sidewalls. The gas inlet and outlet are positioned at opposite sides of an opening in the bottom and face each other, which allows for an improved removal of smoke out of the process chamber if the gas inlet has a width wi, the opening has a width ws, and the gas outlet has a width w0, such that at least one of the relations (i) wi≥ws±4 cm and wo≥ws±4 cm; (ii) wi≥ws and/or wo≥ws; and (iii) wi≥ws+1 cm and/or wo≥ws+1 cm is satisfied.
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