公开(公告)号：US20090298405A1

公开(公告)日：2009-12-03

申请号：US12244234

申请日：2008-10-02

申请人： Robert E. Lloyd ,  Larry A. McCarthy ,  Christopher P. D'Alessandro ,  Robert A. Thibeault

发明人： Robert E. Lloyd ,  Larry A. McCarthy ,  Christopher P. D'Alessandro ,  Robert A. Thibeault

IPC分类号： F24F7/007 ,  F24F13/08

CPC分类号： F24F3/1607 ,  B08B15/023

摘要： A canopy for a biological cabinet includes a plurality of openings, referred to as ports, covered by air dampers and designed to open and close as needed to reduce an overall volume of air required during normal operation. If the building exhaust system attempts to pull more air than is supplied by the cabinet, the intake dampers will open to allow room air in through the intake ports, thus helping the cabinet to maintain an acceptable level of intake airflow at its front access opening. If the building exhaust system does not pull a sufficient amount of air, the outlet damper will open and let the cabinet exhaust air escape through the outlet port, thus enabling the cabinet to maintain an acceptable level of intake airflow at its front access opening. The canopy may also include an internal air baffle that helps to capture the cabinet exhaust air and direct it out through the opening connected to the building exhaust duct.

摘要翻译： 用于生物柜的盖子包括被称为端口的多个开口，被空气阻尼器覆盖并设计为根据需要打开和关闭，以减少在正常操作期间所需的总体积。 如果建筑物排气系统试图拉动比由柜提供的空气更多的空气，进气阻尼器将打开以允许通过进气口进入室内空气，从而帮助机柜在其前进开口处保持可接受的进气气流水平。 如果建筑物排气系统没有吸入足够的空气，出风口将打开，并且让柜子排出空气通过出口排出，从而使机柜在其前部开口处保持可接受的进气气流水平。 顶篷还可以包括内部空气挡板，其有助于捕获柜体废气并将其通过连接到建筑物排气管道的开口引出。