公开(公告)号：US11280470B2

公开(公告)日：2022-03-22

申请号：US17214726

申请日：2021-03-26

Applicant: HYUNDAI MOBIS CO., LTD. ,  AMOGREENTECH CO., LTD.

Inventor： Jin Won Lee ,  Young Ho Lee ,  Jun Keun Cho ,  Kyoung Taek Park ,  Hyoung Joo Kim ,  Sang Yeop Shim ,  Sung Pil Cho

IPC: F21S45/50 ,  F21S45/37 ,  F21S45/33

Abstract: An air permeable cap for a vehicle may include: a cover part formed in a cylindrical shape with a closed end part, and having a plurality of guide ribs radially formed on an inner circumferential surface thereof; a foam part inserted and installed in the cover part so as to be contacted with the guide ribs, and having a ventilation hole formed on one side thereof; a membrane part installed between the foam part and the cover part, and configured to block a flow of water through the ventilation hole and allow a flow of air through the ventilation hole; and an adhesion retention part coupled in a concave-convex shape to retain an adhesion force between the foam part and the cover part.

公开(公告)号：US10774714B2

公开(公告)日：2020-09-15

申请号：US15778702

申请日：2016-11-17

Applicant: AMOGREENTECH CO., LTD.

Inventor： Chan Kim ,  Seung Hoon Lee ,  In Yong Seo ,  Kyoung Taek Park

IPC: B01D53/22 ,  F01N3/20 ,  B01D29/11 ,  B01D39/16 ,  F01N3/28 ,  B01D46/54 ,  D01D5/00 ,  D04H1/728

Abstract: Provided is a nanofiber vent device for a urea water tank including a filter unit for discharging gas generated in the tank main body and preventing external dust, foreign matter, and moisture from flowing into the tank main body, as a vent device that is installed in a tank main body storing urea water and discharging gas inside the tank main body to the outside.