Patent ID: 11865489
Assignee: DONALDSON COMPANY, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 17:
18. A filter element comprising:
a first flow face defining a first plurality of flute openings and a first plurality of flute closures;
a second flow face opposite the first flow face, wherein the second flow face defines a second plurality of flute openings and a second plurality of flute closures, wherein a first plurality of flutes extends from the first plurality of flute openings to the second plurality of flute closures and a second plurality of flutes extends from the second plurality of flute openings to the first plurality of flute closures;
a third flow face perpendicular to the first flow face and second flow face, wherein the third flow face defines a plurality of openings in direct fluid communication with the first plurality of flutes;
a fourth flow face opposite the third flow face, wherein the fourth flow face is perpendicular to the first flow face and the second flow face and the fourth flow face defines a plurality of openings in direct fluid communication with the second plurality of flutes; and
a gasket configured to sealably separate the first flow face and the third flow face from the second flow face and the fourth flow face.