A respirator device having an elastomeric sleeve is provided. In an exemplary embodiment, a respirator device as described herein includes a rigid nozzle element and a body including a receiver having an elastomeric sleeve. The elastomeric sleeve defines a channel, and the elastomeric sleeve is configured to deform around the nozzle element when the nozzle element is inserted into the channel.

The PAPR kit is an air-purifying respirator that uses a blower to force the ambient air through air-filtration media to the hood assembly to create positive air pressure. The PAPR kit is module in design and can be employed in multiple use configurations and applications. The PAPR kit comprises a PAPR unit, the PAPR unit may be removably mounted or coupled to a back region of a hood assembly and/or a waist belt. The PAPR kit may further comprise an integrated or removable battery pack that is easily retained and/or removed from the PAPR unit.

An air filtration system is disclosed. The system comprises an air conduit having an inlet and an outlet, a self-contained electric power source, an electrically powered fan, an air filter located transversely across said air conduit, and an air boundary containment nozzle at the outlet of the air conduit. The nozzle has an outlet diameter of between about 0.5 centimeters and about 4 centimeters. The nozzle minimizes the mixing of the unfiltered ambient air with the filtered air directed to the wearer.

A method of assembling a personal air purifying respirator includes assembling a housing including a blower disposed therein, a filter cavity, and an outlet manifold; installing a filter on the housing; attaching a filter cover to the housing with the filter cover disposed over the filter, wherein the filter cover defines an air inlet; and testing the filter including energizing the blower, introducing a testing aerosol into the air inlet, and measuring air exiting the outlet manifold.

An air purifying device including means for reducing air resistance between the air filtering elements and the target locations for the purified air. Reduced air resistance lowers the energy consumed by the device, thereby reducing its size and weight as well as improving ease of integration with a variety of head gear.

A pendent face mask is adapted to transition between a facially protective state and a folded state. The pendent face mask includes a foldable, air-permeable facial cover, a plurality of guides, and a suspension system. The suspension system suspends the facial cover in the folded state from a user's neck, and adjustably secures the facial cover in contact with the user's face in the facially protective state. The suspension system includes left and right segments that are drawable to form left and right ear loops.

The present technology relates to open respirator devices having sensors for measuring breath biometrics. For example, a respirator device (100) can include a mask component (102) that fits at least partially over a user's face and forms a gap (112) between a periphery of the mask component and the user's face, thereby forming a breathing chamber (108) between the mask portion and the user's face. A fan unit can provide air from the external environment to the breathing chamber for the user to inhale. In some embodiments, the air may be filtered before entering the breathing chamber and the fans may provide a positive pressure seal between across the gap. One or more sensors can be coupled to the mask component for measuring one or more metrics associated with the user's breath.

A protective face mask that includes a power source, ventilation mechanisms, filtering mechanisms, audio and video mechanisms, headphones, a lighting mechanism, a night vision mechanism, a visual zooming mechanism, protective eyewear, a head canopy, a thermometer, a DNA testing mechanism, virus detection mechanisms, radio communication technology, and fiber optics technology.

Aspects of various embodiments herein may be implemented as follows. An apparatus has a material shell that conforms to a user's face, and a securing portion connected to the shell that may operate to secure a filter to the user's face with the filter covering the user's nose and mouth. A securing force may be applied to the filter via the first material portion in a direction toward the user's face, thereby sealing the filter around the user's nose and mouth. Various implementations involve elastic and other material that facilitate sealing of the filter around the user's nose and mouth.

Aspects of various embodiments herein may be implemented as follows. An apparatus has a material shell that conforms to a user's face, and a securing portion connected to the shell that may operate to secure a filter to the user's face with the filter covering the user's nose and mouth. A securing force may be applied to the filter via the first material portion in a direction toward the user's face, thereby sealing the filter around the user's nose and mouth. Various implementations involve elastic and other material that facilitate sealing of the filter around the user's nose and mouth.