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).
DEMAND REGULATOR
BEDARFSREGLER
RÉGULATEUR DE DEMANDE
2024-04-24
Patent
Electronic Resource
English