AIR CUSHION REGULATION ASSEMBLY IN SECTIONS OF THE SEWER NETWORK OF THE DUCER TYPE Russian patent published in 2022 - IPC E03F5/20 

FIELD: water disposal.

SUBSTANCE: invention relates to the field of water disposal. The control unit contains a shaft (1) hydraulically connected by means of a connection pipeline (2) with a siphon pipeline (3), a vertical pipeline (8) installed in the dry section (4) of the shaft. On the one hand, the vertical pipeline (8) is mounted in the ceiling and led into the wet compartment (5) of the shaft, which is hydraulically and aerodynamically connected to the siphon, and on the other hand is connected to the air purification unit (9). On the connection pipeline (2) in series in the direction from the siphon to the shaft, shut-off valves (6) are installed in the dry section (4) of the shaft and a shield valve (7) at the end of the connection pipeline (2) in the wet section (5) of the shaft. The lower boundary of the shield gate (7) has a triangular-shaped weir.

EFFECT: constant pressure is provided in the air cushion of the siphon under conditions of a constantly changing flow rate of the gas-air medium.

1 cl, 2 dwg