REGENERATIVE RESPIRATORY UNIT Russian patent published in 2010 - IPC A62B7/02 A62B11/00 

FIELD: medicine, life saving equipment.

SUBSTANCE: invention concerns life-saving equipment and is intended for a short-term protection of respiratory apparatus from noxious gases of a group of people overtaken in mine at explosion, fire, sudden coal and gas emissions or rock fall. There is offered a regenerative respiratory unit comprising an oxygen cylinder with a reducer, a pulmonary apparatus with three-staged oxygen supply into the respiratory bag, inhalation and exhalation pipelines. Between the inhalation and exhalation pipelines, there are connections provided for each person and equipped with inhalation and exhalation valves and a spring-loaded gate valve opened when a respiratory hose connected.

EFFECT: ensured possibility for prolonged connection to the apparatus of one person to a group of people.

2 cl, 4 dwg