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

Claim 0:
1. A filter element comprising:
a sheet of filter media having a first elongate edge and a second elongate edge;
the sheet of filter media defining a plurality of pleats, a first set of pleat folds and a second set of pleat folds, wherein each of the plurality of pleats extend between the first set of pleat folds and the second set of pleat folds, wherein the first set of pleat folds each extend from the first elongate edge to the second elongate edge and the second set of pleat folds each extend from the first elongate edge to the second elongate edge,
wherein each of the plurality of pleats defines a repeating wave pattern comprising flute peaks and flute valleys alternating from the first set of pleat folds to the second set of pleat folds, wherein each of the flute peaks and flute valleys extends from the first elongate edge to the second elongate edge.