Face mask with fan attachment

A - Human Necessities – 62 – B

Patent

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Details

A62B 23/02 (2006.01) A41D 13/00 (2006.01)

Patent

CA 2374925

A face mask is provided having a filter body sized to cover the nose and mouth of a wearer, a securing mechanism for holding the filter body in close fit with the wearer's face, and a fan attachment to enhance breathability and comfort of the mask. The fan is powered and configured with the exterior of the filter body to aid in drawing air through the filter media of the mask. The fan operates to draw warm, moist exhaled air from the interior volume of the mask to improve comfort, facilitate inhalation, and decrease fogging of any transparent portions of the mask or eye coverings. The fan may additionally operate to force cool, fresh air into the interior volume of the mask, also for the comfort of the wearer.

L'invention concerne un masque facial comprenant un corps de filtre dimensionné pour couvrir le nez et la bouche d'un usager, un mécanisme de fixation pour ajuster le corps de filtre sur le visage de l'usager, et un accessoire de ventilation pour améliorer la respirabilité et le confort du masque. Le ventilateur est mécanisé et configuré depuis l'extérieur du corps de filtre pour aspirer l'air à travers le support de filtre du masque. Le ventilateur fonctionne de manière à aspirer l'air d'expiration chaud et humide de l'espace intérieur du masque afin d'améliorer le confort, de faciliter l'inhalation et de diminuer l'embuage des parties transparentes du masque ou des lunettes de protection. Le ventilateur fonctionne en outre pour injecter de l'air frais dans l'espace intérieur du masque, également pour assurer le confort de l'usager.

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