CONTAINER WITH UREA FOR AN SCR POST-TREATMENT SYSTEM AND COVER FOR THE CONTAINER Russian patent published in 2022 - IPC F01N3/20 

FIELD: storage.

SUBSTANCE: proposed are a urea container for an SCR post-treatment system and a cover for said container. The cover of the container is installed at the liquid injection port of the body of the urea container. An air hole is provided in the part of the cover of the container corresponding to the liquid injection port. The air hole is covered with a waterproof air-permeable film (5). A gas inlet and a gas outlet (11) are additionally provided on the part of the cover of the container corresponding to the liquid injection port. A first constant pressure check valve (3) and a second constant pressure check valve (4) are installed on the cover of the container. The input of the first constant pressure check valve (3) is connected with the gas outlet (11). The output of the first constant pressure check valve (3) is in communication with the external space of the body of the container. The input of the second constant pressure check valve (4) is connected with the gas inlet. The output of the second constant pressure check valve (4) is in communication with the internal space of the body of the container.

EFFECT: creation of a urea container with a cover suitable for use in an SCR post-treatment system.

10 cl, 7 dwg