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1. 发明授权

US07400501B2 Method and apparatus for acoustic noise reduction in a computer system having a vented cover 有权
标题翻译：具有通风盖的计算机系统中用于声音降噪的方法和装置
公开(公告)号：US07400501B2
公开(公告)日：2008-07-15
申请号：US11760944
申请日：2007-06-11
申请人： Richard Charles Bartell , Gerard Frances Muenkel , Matthew A Nobile
发明人： Richard Charles Bartell , Gerard Frances Muenkel , Matthew A Nobile
IPC分类号： H05K7/20
CPC分类号： H05K7/20736 , Y10T29/49117 , Y10T29/4913
摘要： A vented cover includes a pair of cross-flow ventilation ducts each including an acoustic noise reduction lining. The ducts are “cross-flow” in that they cross and bypass one another. The cover is affixed to an enclosure containing components of a computer system and abuts against a panel of the enclosure having an airflow aperture. An air moving device (AMD) passes air through the enclosure from the ducts if the cover is an intake cover, and/or into the ducts if the cover is an exhaust cover. The ducts increase the air path length, and the acoustic absorbing surface, thereby increasing acoustic attenuation. Airflow resistance is reduced by reducing surfaces perpendicular and close to the area where air enters and by reducing sharp turns in the ducts. The cover has a relatively thin depth because the ducts cross and bypass each other in a very space efficient manner.
摘要翻译：通风盖包括一对横流通风管道，每个通风管道包括声音降噪衬里。导管是“交叉流动”，因为它们彼此交叉并绕过。盖子被固定到包含计算机系统的部件的外壳上，并且抵靠具有气流孔的外壳的面板。如果盖子是进气盖，则空气移动装置（AMD）将空气从管道传送通过外壳，如果盖子是排气罩，则空气移动装置（...）进入管道。导管增加了空气路径长度和吸声表面，从而增加了声衰减。通过减少表面垂直并靠近空气进入的区域并减少管道中的急转弯来减小气流阻力。由于管道以非常空间有效的方式相互交叉并相互绕过，所以该盖具有相对较薄的深度。

2. 发明授权

US07707711B2 Acoustic noise reduction in a computer system having a vented cover 有权
标题翻译：具有通风罩的计算机系统中的声音降噪
公开(公告)号：US07707711B2
公开(公告)日：2010-05-04
申请号：US11760971
申请日：2007-06-11
申请人： Richard Charles Bartell , Gerard Frances Muenkel , Matthew A Nobile
发明人： Richard Charles Bartell , Gerard Frances Muenkel , Matthew A Nobile
IPC分类号： H05K3/30
CPC分类号： H05K7/20736 , Y10T29/49117 , Y10T29/4913
摘要： A vented cover includes a pair of cross-flow ventilation ducts each including an acoustic noise reduction lining. The ducts are “cross-flow” in that they cross and bypass one another. The cover is affixed to an enclosure containing components of a computer system and abuts against a panel of the enclosure having an airflow aperture. An air moving device (AMD) passes air through the enclosure from the ducts if the cover is an intake cover, and/or into the ducts if the cover is an exhaust cover. The ducts increase the air path length, and the acoustic absorbing surface, thereby increasing acoustic attenuation. Airflow resistance is reduced by reducing surfaces perpendicular and close to the area where air enters and by reducing sharp turns in the ducts. The cover has a relatively thin depth because the ducts cross and bypass each other in a very space efficient manner.
摘要翻译：通风盖包括一对横流通风管道，每个通风管道包括声音降噪衬里。导管是“交叉流动”，因为它们彼此交叉并绕过。盖子被固定到包含计算机系统的部件的外壳上，并且抵靠具有气流孔的外壳的面板。如果盖子是进气盖，则空气移动装置（AMD）将空气从管道传送通过外壳，如果盖子是排气罩，则空气移动装置（...）进入管道。导管增加了空气路径长度和吸声表面，从而增加了声衰减。通过减少表面垂直并靠近空气进入的区域并减少管道中的急转弯来减小气流阻力。由于管道以非常空间有效的方式相互交叉并相互绕过，所以该盖具有相对较薄的深度。

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