公开(公告)号：US11602705B2

公开(公告)日：2023-03-14

申请号：US16920102

申请日：2020-07-02

Applicant: YAMASHIN-FILTER CORP.

Inventor： Mitsunobu Okamoto ,  Masanori Wakabayashi ,  Shinya Hirose

IPC: B01D29/19 ,  B01D35/30

Abstract: A protruding portion is formed on an inner tube inserted into a hollow portion of a filter medium so as to protrude upward from a flange portion. The flange portion having a substantially circular plate shape is disposed on a lower side of a second plate. A recessed portion into which the protruding portion is inserted is formed on a surface on a lower side of the second plate provided so as to cover an opening at a lower end of the filter medium.

公开(公告)号：US11712643B2

公开(公告)日：2023-08-01

申请号：US16920007

申请日：2020-07-02

Applicant: YAMASHIN-FILTER CORP.

Inventor： Mitsunobu Okamoto ,  Masanori Wakabayashi ,  Shinya Hirose

IPC: B01D29/19 ,  B01D35/30

CPC classification number: B01D29/19 ,  B01D35/30 ,  B01D2201/295 ,  B01D2201/301 ,  B01D2201/306 ,  B01D2201/4061

Abstract: A first plate of a filter element includes a first tubular portion having a substantially cylindrical shape that protrudes toward a lid member with the filter element inserted into a filter case. The first tubular portion includes first projections protruding outward in a radial direction. The lid member includes a second tubular portion inserted into a hollow portion of the first tubular portion. With the lid member attached to the first plate, the first projections are inserted into notches formed in ribs provided along an outer circumferential surface of the first tubular portion.