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公开(公告)号：US09038628B2
公开(公告)日：2015-05-26
申请号：US13415948
申请日：2012-03-09
CPC分类号： A62B7/14 , A62B7/00 , B64D10/00 , B64D2231/02
摘要： The present invention may be embodied as a system and/or a computer-based method for determining safe operation of a breathing gas system comprising the step of receiving a present oxygen concentration value from an oxygen concentration sensor. The method further comprises the step of receiving, at the computer, a present altitude value from an altimeter of the aircraft and using the computer to calculate an alarm flow rate, where the alarm flow rate is a function of the present oxygen concentration value and the present altitude value. The method may further comprise the step of receiving, at the computer, a present flow value from a flow meter, where the present flow value represents the rate of flow of breathing gas to the user. The method may comprise the step of comparing the calculated alarm flow rate to the received present flow value to determine a safe operation of the oxygen system.
摘要翻译： 本发明可以体现为用于确定呼吸气体系统的安全操作的系统和/或基于计算机的方法，包括从氧浓度传感器接收当前氧浓度值的步骤。 该方法还包括以下步骤：在计算机处接收来自飞机的高度计的当前高度值，并使用计算机计算报警流量，其中报警流量是当前氧气浓度值的函数，并且 当前高度值。 该方法还可以包括在计算机处接收来自流量计的当前流量值的步骤，其中当前流量值表示呼吸气体向用户的流动速率。 该方法可以包括将计算的报警流量与接收的当前流量值进行比较以确定氧气系统的安全操作的步骤。
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公开(公告)号：US20130133647A1
公开(公告)日：2013-05-30
申请号：US13415948
申请日：2012-03-09
IPC分类号： A62B7/00
CPC分类号： A62B7/14 , A62B7/00 , B64D10/00 , B64D2231/02
摘要： The present invention may be embodied as a system and/or a computer-based method for determining safe operation of a breathing gas system comprising the step of receiving a present oxygen concentration value from an oxygen concentration sensor. The method further comprises the step of receiving, at the computer, a present altitude value from an altimeter of the aircraft and using the computer to calculate an alarm flow rate, where the alarm flow rate is a function of the present oxygen concentration value and the present altitude value. The method may further comprise the step of receiving, at the computer, a present flow value from a flow meter, where the present flow value represents the rate of flow of breathing gas to the user. The method may comprise the step of comparing the calculated alarm flow rate to the received present flow value to determine a safe operation of the oxygen system.
摘要翻译： 本发明可以体现为用于确定呼吸气体系统的安全操作的系统和/或基于计算机的方法，包括从氧浓度传感器接收当前氧浓度值的步骤。 该方法还包括以下步骤：在计算机处接收来自飞机的高度计的当前高度值，并使用计算机计算报警流量，其中报警流量是当前氧气浓度值的函数，并且 当前高度值。 该方法还可以包括在计算机处接收来自流量计的当前流量值的步骤，其中当前流量值表示呼吸气体向用户的流动速率。 该方法可以包括将计算的报警流量与接收的当前流量值进行比较以确定氧气系统的安全操作的步骤。
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公开(公告)号：US20080053447A1
公开(公告)日：2008-03-06
申请号：US11897065
申请日：2007-08-29
IPC分类号： A62B18/02
摘要： An adapter for use with a gas filter canister worn by a user as part of a breathing apparatus. The adapter is constructed of a semi-rigid plastic that has a plurality of scalloped or castellated edges. The scalloped or castellated edges allow the adapter to snap-fit over the top of the canister. Projections or lugs on the inside of the edge of the adapter can deflect and snap over the rim of the canister. An adapter seal in the form of a large preformed packing or O-ring, is pressed between the inside of the adapter top and the outside of the canister top such that an airtight seal is formed. The adapter is capable of moving relative to the filter canister to accommodate different positions of the flexible conduit between an adapter inlet and the outlet of a self contained blower assembly.
摘要翻译： 用于与用户一起佩戴的气体过滤器罐的适配器，作为呼吸器的一部分。 适配器由具有多个扇形或雉形边缘的半刚性塑料构成。 扇形或圆形的边缘允许适配器卡扣在罐的顶部。 适配器边缘内侧的突出物或凸耳可以偏转并卡在罐的边缘上。 大型预制填料或O形环形式的适配器密封件被压在适配器顶部的内部和罐顶部的外部之间，从而形成气密密封。 适配器能够相对于过滤罐移动以适应柔性导管在适配器入口和自包含鼓风机组件的出口之间的不同位置。
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