There is disclosed a demand regulator (100) for a breathing apparatus (10) comprising: a diaphragm apparatus (110) in operative connection with a valve apparatus (108); a diaphragm biasing spring (130) configured to apply a biasing force to the diaphragm apparatus (110); and a bias adjustment apparatus (132) configured to adjust compression or deformation of the diaphragm biasing spring (130) so as to adjust the biasing force applied to the diaphragm apparatus (110). Also disclosed is a breathing mask (18) comprising a demand regulator (100) and a breathing apparatus (10) comprising a demand regulator (100).


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    Title :

    DEMAND REGULATOR


    Additional title:

    BEDARFSREGLER
    RÉGULATEUR DE DEMANDE


    Contributors:

    Publication date :

    2024-04-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING , Vorrichtungen, Geräte oder Verfahren zur Lebensrettung / B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen



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