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公开(公告)号：USRE39493E1
公开(公告)日：2007-02-27
申请号：US09030394
申请日：1998-02-25
CPC分类号： A62B23/02
摘要： A respirator (10) that includes a face piece (14) and a cartridge receiving structure (22) located on the face piece (14). The face piece (14) is sized to fit snugly over the nose and mouth of a person, and the filter cartridge (12) is capable of being manually snapped into engagement with the cartridge receiving structure (22). The snap-fit can be instantaneously obtained without rotational movement of the filter cartridge (12), simply by pressing the filter cartridge (12) against the receiving structure (22).
摘要翻译： 一种呼吸器（10），其包括位于所述面件（14）上的面件（14）和药筒容纳结构（22）。 面件（14）的尺寸适于紧贴人的鼻子和嘴部，并且过滤器滤芯（12）能够被手动地卡扣与盒接收结构（22）接合。 可以简单地通过将滤筒（12）压靠在接收结构（22）上而瞬间获得卡扣配合而无需滤芯（12）的旋转运动。
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2.发明授权Exposure indicator with continuous alarm signal indicating multiple conditions 失效曝光指示灯，连续报警信号表示多种状况
公开(公告)号：US5666949A
公开(公告)日：1997-09-16
申请号：US328106
申请日：1994-10-24
CPC分类号： A62B18/088
摘要： An exposure indicating apparatus and indicating method includes a sensor having a property responsive to a concentration of a target species. A processing device generates a concentration signal as a function of the property and an indicator is activated as a function of the concentration signal. The indicator is activated at a signaling rate indicative of an exposure indicating apparatus operating within predefined design parameters and at an exposure signaling rate indicative of the concentration attaining a predetermined threshold concentration. The indicator may also be activated at a signaling rate indicative of an exposure indicating apparatus operating outside of the predefined design parameters, and after the predetermined threshold concentration is attained, the indicator may be activated at an exposure signaling rate which varies as a function of the concentration signal.
摘要翻译： 曝光指示装置和指示方法包括具有响应于目标物种的浓度的性质的传感器。 处理装置根据属性生成浓度信号，根据浓度信号激活指示器。 指示器以指示在预定设计参数内操作的暴露指示装置的信号速率被激活，并且以指示达到预定阈值浓度的浓度的曝光信号速率被激活。 指示符也可以以表示在预定设计参数之外操作的曝光指示装置的信号速率被激活，并且在达到预定阈值浓度之后，指示符可以以作为 浓度信号。
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公开(公告)号：US5659296A
公开(公告)日：1997-08-19
申请号：US328103
申请日：1994-10-24
CPC分类号： A62B18/088
摘要： An exposure indicating apparatus for monitoring air flowing along a flow-through path extending from the external environment through an air purifying respirator cartridge and into a face mask. A processor housing is releasably attached to the flow-through path so that it can be removed allowing ambient air to enter the flow-through path at the attachment location. A reversible sensor with at least one property responsive to a concentration of a target species within an environment is in fluid communication with the flow-through path. A processing device in the processor housing generates a concentration signal as a function of the at least one property of the reversible sensor. An indicator provides an active indication in response to the concentration signal. A flow-through housing may form a portion of the flow-through path. The flow-through housing may be interposed between the air purifying cartridge and the face mask. The reversible sensor may be located in the processor housing, the air purifying respirator cartridge or the flow-through housing. The sensor is coupled to the processing device by a coupler.
摘要翻译： 一种曝光指示装置，用于监测沿着从外部环境通过空气净化呼吸器盒延伸到面罩中的流通路径流动的空气。 处理器壳体可释放地附接到流通路径，使得其可以被移除，允许环境空气在附接位置进入流通路径。 具有响应于环境中的目标物质的浓度的至少一种性质的可逆传感器与流通路径流体连通。 处理器壳体中的处理装置产生作为可逆传感器的至少一个特性的函数的浓度信号。 指示器响应浓度信号提供活动指示。 流通壳体可以形成流通路径的一部分。 流通壳体可以插入在空气净化盒和面罩之间。 可逆传感器可以位于处理器壳体，空气净化呼吸器筒或流通壳体中。 传感器通过耦合器耦合到处理装置。
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公开(公告)号：US5579761A
公开(公告)日：1996-12-03
申请号：US375855
申请日：1995-01-20
CPC分类号： A62B23/02
摘要： A respirator (10) that includes a face piece (14) and a cartridge receiving structure (22) located on the face piece (14). The face piece (14) is sized to fit snugly over the nose and mouth of a person, and the filter cartridge (12) is capable of being manually snapped into engagement with the cartridge receiving structure (22). The snap-fit can be instantaneously obtained without rotational movement of the filter cartridge (12), simply by pressing the filter cartridge (12) against the receiving structure (22).
摘要翻译： 一种呼吸器（10），其包括位于所述面件（14）上的面件（14）和药筒容纳结构（22）。 面件（14）的尺寸适于紧贴人的鼻子和嘴部，并且过滤器滤芯（12）能够被手动地卡扣与盒接收结构（22）接合。 可以简单地通过将滤筒（12）压靠在接收结构（22）上而瞬间获得卡扣配合而无需滤芯（12）的旋转运动。
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