| 摘要 |
FIELD: gas-transfer field, in particular, ventilation systems of shelters of gas turbines and blowers equipped by systems of space fire-fighting. SUBSTANCE: the mushroom-shaped head has a body, plate, piston drive and stops controlled by it installed for engagement with the plate and the drive rod through two-axle levers. EFFECT: produced a mushroom-shaped head with an automatic closing with the aim of sealing of rooms at a start of a fire-extinguishing medium into the room in case of a beginning of fire. 1 dwg |
