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1. 发明授权

US6018458A Constant impedance air baffle for cooling of electronic card assemblies 失效
标题翻译：用于冷却电子卡组件的恒定阻抗空气挡板
公开(公告)号：US6018458A
公开(公告)日：2000-01-25
申请号：US63850
申请日：1998-04-21
申请人： David J. Delia , Peter W. Kelly , William D. McClafferty , Roger R. Schmidt
发明人： David J. Delia , Peter W. Kelly , William D. McClafferty , Roger R. Schmidt
IPC分类号： H05K7/20
CPC分类号： H05K7/20154
摘要： A constant impedance air baffle assembly having two spaced apart generally parallel plates, each having a plurality of through holes for placing in line with a plurality of circuit cards to be cooled. The circuit cards are mounted on one side of a printed circuit board, and arranged in varying numbers and placements, depending on the number of cards desired. The air baffles provide a constant impedance to the air flow over the cards such that air does not bypass other components that need to be cooled when the circuit cards are removed. Further, the baffle plates include hanger tabs which may be hung over the edge of a printed circuit board to hold the parallel plates in place. The hanger tabs further include spacing slots for holding a pair of side-by-side printed circuit boards apart such that the printed circuit boards upon which said air baffle is hung cannot flex and short the pins on the backs thereof together.
摘要翻译：一种恒定阻抗空气挡板组件，其具有两个间隔开的大致平行的板，每个板具有多个通孔，用于与待冷却的多个电路卡一致放置。电路卡安装在印刷电路板的一侧，并且根据所需的卡的数量以不同的数量和布置布置。空气挡板为卡片上的空气流提供恒定的阻抗，使得空气不会绕过其他需要在电路卡被去除时被冷却的部件。此外，挡板包括可挂在印刷电路板的边缘上以将平行板保持在适当位置的悬挂突片。衣架突片还包括用于将一对并排印刷电路板保持分隔开的间隔槽，使得悬挂有所述空气挡板的印刷电路板不能弯曲并将其背面上的销短路。

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