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81. 发明授权

US06363934B2 Respirator filter protective cover 失效
标题翻译：呼吸器过滤器保护罩
公开(公告)号：US06363934B2
公开(公告)日：2002-04-02
申请号：US09146673
申请日：1998-09-03
申请人： Karl Metzger
发明人： Karl Metzger
IPC分类号： A62B1808
CPC分类号： A62B23/02 , Y10S55/33 , Y10S55/35
摘要： The present invention is a protective spark cover for covering the exterior face of a filter for use with a respirator or the like. During metal welding, smelting and cutting operations and similar activities creating sparks, splatter and the like, exposed respirator filters may be perforated and made unusable. The present invention protective spark cover provides a removable cover to protect such filter elements from welding and spark damage and other similar mechanical damage. The invention is essentially a screen cover to protect the filter element and a frame to hold the screen in place over the filter.
摘要翻译：本发明是用于覆盖与呼吸器等一起使用的过滤器的外表面的保护性火花盖。在金属焊接，冶炼和切割操作以及产生火花，飞溅等的类似活动中，暴露的呼吸器过滤器可能被穿孔并使其不可用。本发明的保护性火花盖提供可移除的盖，以保护这种过滤元件免受焊接和火花损伤以及其它类似的机械损坏。本发明基本上是一种屏蔽罩，用于保护过滤元件和一个框架以将筛网保持在过滤器上的适当位置。

82. 发明授权

US06338342B1 Respirator headpiece and release mechanism 有权
标题翻译：呼吸器头盔和释放机构
公开(公告)号：US06338342B1
公开(公告)日：2002-01-15
申请号：US09255601
申请日：1999-02-22
申请人： Keith E. Fecteau , David Honan , Kevin Krauss
发明人： Keith E. Fecteau , David Honan , Kevin Krauss
IPC分类号： A62B1808
CPC分类号： A62B18/084
摘要： A quick release mechanism and headpiece for use with a respirator. The quick release mechanism uses an over center latch pivotly attached to a yoke to control the tension in a pair of upper tension cords. In the latched position the upper tension cords traverse the yoke and together with a pair of lower tension cords support and seal the respirator mask against the face of the wearer. In the unlatched position the upper tension cords loosely support the mask below the chin of the wearer in a parked position. The upper and lower tension cords are attached to a circular shaped headpiece having a crown piece fitting to the top of the head of the wearer and a base portion fitting to the back of the head of the wearer. The headpiece is advantageously comprised of multiple layers wherein the outer layer is comprised of a rigid material and the inner layer is comprised of a compliant material. The rigid layer provides necessary structure to headpiece and the inner layer provides compliance and comfort to the head of the wearer.
摘要翻译：用于呼吸器的快速释放机构和头盔。快速释放机构使用枢转地连接到轭的过中心闩锁来控制一对上张力帘线中的张力。在锁定位置，上张力绳穿过轭，并与一对下张力绳一起支撑并将呼吸面罩密封在佩戴者的脸上。在解锁位置，上部张力绳松弛地将佩戴者下巴下方的面罩放置在停放位置。上下张力帘线附接到具有冠部件的圆形头盔，该冠部件配合到穿着者的头部的顶部以及与穿戴者的头部后部配合的基部。头盔有利地包括多层，其中外层由刚性材料构成，内层由顺应性材料构成。刚性层为头饰提供必要的结构，内层为佩戴者的头部提供顺从性和舒适性。

83. 发明授权

US06192876B1 Inhalation apparatus and method 失效
标题翻译：吸入装置及方法
公开(公告)号：US06192876B1
公开(公告)日：2001-02-27
申请号：US09124298
申请日：1998-07-29
申请人： Jonathan Stanley Harold Denyer , Kurt Nikander
发明人： Jonathan Stanley Harold Denyer , Kurt Nikander
IPC分类号： A62B1808
CPC分类号： A61M16/06 , A61B5/087 , A61M16/0605 , A61M2016/0039
摘要： An apparatus for and a method of ensuring the fit of a face mask to the face of a patient, the apparatus including a face mask having an inlet through which gas can be inhaled and a sensor for measuring the flow rate of gas drawn through the inlet of the face mask. The fit of the face mask is determined by monitoring the flow rate of gas drawn through the inlet of the face mask upon inhalation by a patient. The face mask is considered to satisfactorily fit the patient when a substantially regular inhalation waveform is achieved.
摘要翻译：一种用于确保面罩与患者面部配合的装置和方法，该装置包括具有可吸入气体的入口的面罩和用于测量通过入口抽吸的气体的流量的传感器的面膜。通过监测由患者吸入时通过面罩入口吸入的气体的流速来确定面罩的配合。当实现基本上规则的吸入波形时，面罩被认为令人满意地适合患者。

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