专利名称：AIR FILTRATION DEVICE
发明人：LEGARE, Pierre,DWYER, Gary, E.,MURPHY,
Andrew,SMITH, Simon, J.
申请号：EP09755355.6申请日：20090326公开号：EP2274067A1公开日：20110119
摘要：Air filtering devices are disclosed that contain a first filter cartridge having acartridge inlet and a cartridge outlet and a curved filter bed having a concave surfacedisposed such that air to be filtered passes through the inlet, the curved filter bed, andthe outlet. The air filtering devices also contain a blower assembly having a blower inletin fluid communication with the cartridge outlet and a blower outlet, the blower
assembly includes a motor proximate to the concave surface of the curved filter bed. Themotor has a rotational axis such that the rotational axis is adjacent to the center ofcurvature of the curved filter bed. The air filtering device may be used in powered airpurifying respirators.
申请人：3M Innovative Properties Company
地址：3M Center Post Office Box 33427 Saint Paul, MN 55133-3427 US
国籍：US
代理机构：Towlson, Samantha Jayne
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