DRAINAGE COLLECTOR MOUTH Russian patent published in 2020 - IPC E02B11/00 

FIELD: land reclamation.

SUBSTANCE: invention relates to reclamation and can be used for automatic regulation of ground water, mainly for drainage systems. Drainage collector mouth comprises well 12 with discharge branch pipe 9 with seat 16 and with elbows 3 and 5 and water outlet head 17 of discharge header 18. Well 12 is covered from above with cover 13, which has a spring-loaded air valve 14 for air release into atmosphere. Shutter 20 is made hollow float type, having sphere 19 with side cone walls 23 and in its upper part have cone in direction of discharge branch pipe 9 with seat 16, and lower sphere 19 closes opening of water outlet branch pipe 17 of discharge collector 18. Shutter 20 has flange 21 along outer diameter, by which gate 20 rests on limiter 22 on guide posts 15 defining lowering limit of lowering gate 20. Float gate 20 is installed with possibility of movement along height on hollow guide posts 15 connected by one end to cover 13, and by another one – freely located in well 12. Sphere 19 and tapered walls 23 of gate 20 are equipped with rubber seals 25 and 26 respectively.

EFFECT: technical result consists in simplification of design, reduction of metal consumption and improvement of reliability of device operation.

3 cl, 1 dwg