Patent ID: 11883765
Assignee: DONALDSON COMPANY, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A panel filter element having an upstream side and a downstream side, the filter element comprising:
a filter media assembly having an upstream side and a downstream side, the filter media assembly comprising a first media layer and a second media layer adjacent to the first media layer, wherein a portion of the first media layer and second media layer are uncoupled, and wherein at least one of the first media layer and second media layer comprises a binder fiber, a support layer system adjacent to the downstream side of the filter media assembly; and
a first wire mesh layer adjacent to the support layer system, wherein the first media layer, the second media layer, the support layer system, and the first wire mesh layer cooperatively define pleats, wherein the pleats have a pleat packing density of at least 95%;
wherein the first media layer, the second media layer, the support layer system, and the first wire mesh layer define component layers of the filter element, wherein the component layers have a perimeter;
a frame component to secure around the perimeter of the component layers to define a panel filter element wherein each of the first and second layers of filter media comprises bicomponent fiber and the filter element has a ratio of mean flow pore size of the first media layer to the second media layer that is greater than 3.7.