公开(公告)号：US20240116003A1

公开(公告)日：2024-04-11

申请号：US18375010

申请日：2023-09-29

Applicant: Donaldson Company, Inc.

Inventor： David D. Lauer ,  Benjamin C. Druecke ,  David A. Olson ,  Connor J. Colling ,  Davis B. Moravec ,  Matthew P. Goertz ,  Nicholas J. Stanley ,  Robert P. McCollam

IPC: B01D63/10

CPC classification number: B01D63/106 ,  B01D2313/14

Abstract: Embodiments herein relate to filtration devices having spiral wound filtration element. In an embodiment, a filtration device is included having a first spiral wound filter element. The first spiral wound filter element can include one or more spacing layers, one or more membrane layers disposed in between the one or more spacing layers, and a plurality of spacing elements. The first spiral wound filter element can have an aspect ratio that is less than 8:1 height to width. Other embodiments are also included herein.

公开(公告)号：US20220323896A1

公开(公告)日：2022-10-13

申请号：US17614175

申请日：2020-05-26

Applicant: DONALDSON COMPANY, INC.

Inventor： Nicholas J. Stanley

IPC: B01D46/52 ,  B01D46/24 ,  B01D29/13

Abstract: A cylindrical filter element including a central longitudinal axis extending along a height of the filter element, a core element extending along at least a portion of the height of the filter element and having a convex curved central portion extending from a first end to a second end to define a width of the core element, wherein the convex curved central portion has a maximum height through the central longitudinal axis that is larger than a height of at least one of the first and second ends, and filter material including a plurality of pleats extending radially from an outer periphery of the core element, wherein an outer cylindrical periphery of the filter material is defined by an outer pleat tip of each of the plurality of radially extending pleats, and wherein an inner pleat tip of each radially extending pleat is adjacent to the core element.