RESPIRATOR HAVING AN AIRFLOW NOISE REDUCTION DEVICE

RESPIRATOR HAVING AN AIRFLOW NOISE REDUCTION DEVICE

A respirator comprising: an air supply unit arranged to deliver air at its output;headgear comprising a cradle for interfacing with a user's head, and a face covering from within which the user breathes;a tube to receive air from the air supply unit; andan interface component to receive air fro...

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Bibliographische Detailangaben
Hauptverfasser: DOUGLAS, Paul, CHURCHMAN, Simon, ALKER, Simon, SCHOLES, Derek
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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Beschreibung
Zusammenfassung:A respirator comprising: an air supply unit arranged to deliver air at its output;headgear comprising a cradle for interfacing with a user's head, and a face covering from within which the user breathes;a tube to receive air from the air supply unit; andan interface component to receive air from the tube and to deliver said air within the face covering, wherein the interface component provides a frame for supporting the face covering, and comprises an overhead branch and a forehead branch, wherein the overhead branch comprises one or more bleed holes, such that in use vibrations from the air supply and tube are reduced. Components of the respirator and related methods are also described.