US 12,006,676 B2
Drainage body unit, drainage body system and shaft element
Heino Messerschmidt, Lütjenwestedt (DE); Stefan Prakesch, Wernau (DE); and Anja Sievers, Rendsburg (DE)
Assigned to ACO AHLMANN SE & CO. KG, Budelsdorf (DE)
Appl. No. 17/056,255
Filed by ACO SEVERIN AHLMANN GMBH & CO KOMMANDITGESELLSCHAFT, Büdelsdorf (DE)
PCT Filed May 8, 2019, PCT No. PCT/EP2019/061831
§ 371(c)(1), (2) Date Nov. 17, 2020,
PCT Pub. No. WO2019/215238, PCT Pub. Date Nov. 14, 2019.
Claims priority of application No. 10 2018 111 300.5 (DE), filed on May 11, 2018.
Prior Publication US 2023/0054894 A1, Feb. 23, 2023
Int. Cl. E03F 1/00 (2006.01); E03B 3/03 (2006.01)
CPC E03F 1/002 (2013.01) [E03B 3/03 (2013.01); E03F 1/005 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A drainage-body unit with at least one drainage-body element (10), at least one first shaft element (11), and at least one second shaft element (12), wherein
a treatment element (13) is located in the first shaft element (11) between a fluid inlet (14) and a fluid outlet (15),
a guide and/or support device (20) for the treatment element (13) is located in the first shaft element (11), the guide and/or support device (20) divides the first shaft element (11) into a treated side and an untreated side, the guide and/or support device (20) comprises a pipe fluid-tightly connected to the fluid inlet (14) of the first shaft element (11) on the untreated side, and has an opening (23) on the treated side, which forms a fluid connection with the fluid outlet (15) of the first shaft element (11),
a throttle element (16) is located in the second shaft element (12) between a fluid inlet (17) and a fluid outlet (18), and
the shaft elements (11, 12) are fluid-connected or fluid-connectable to one or several drainage-body elements (10).