公开(公告)号：US20100101578A1

公开(公告)日：2010-04-29

申请号：US12485450

申请日：2009-06-16

申请人： Eun Jong Cha ,  Kyung Ah Kim ,  Wun Jae Kim

发明人： Eun Jong Cha ,  Kyung Ah Kim ,  Wun Jae Kim

IPC分类号： A61M16/20 ,  A61B5/091

CPC分类号： A61M16/0816 ,  A61B5/087 ,  A61B5/091 ,  A61M16/0833 ,  A61M16/208 ,  A61M2230/43

摘要： A one-way air flow valve includes one-way inspiration and expiration valve assemblies which have a same structure, are connected to each other in parallel, and are arranged opposite to each other, so that valve plates provided in the one-way inspiration and expiration valve assemblies, respectively, are open in directions opposite to each other, and a connection part including a mouthpiece provided at one side of the inspiration and expiration valve assemblies to allow an examinee to inhale or exhale air. One end of the inspiration valve assembly is connected with a gas tank, one end of the expiration valve assembly is connected with a gas density analyzer, and the inspiration and expiration valve assemblies include a valve and suction and discharging tubes coupled with one side and an opposite side of the valve, respectively.

摘要翻译： 单向空气流量阀包括具有相同结构的单向吸气和呼气阀组件，并联连接并彼此相对布置，使得设置在单向吸气和 过滤阀组件分别在彼此相反的方向上打开，并且连接部分包括设置在吸气和呼出阀组件的一侧的接口，以允许受检者吸入或呼出空气。 吸气阀组件的一端与气罐连接，呼气阀组件的一端与气体密度分析仪连接，吸气和呼气阀组件包括一个阀门，吸入和排出管道与一侧连接， 分别位于阀的相对侧。