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Filter media, pleated media pack, filter element, and method of manufacture

A technology of media packs and media, applied in separation methods, dispersed particle filtration, chemical instruments and methods, etc., can solve problems such as loss of filtration surface area

Active Publication Date: 2019-12-10
DONALDSON CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the presence of masking results in a loss of filter surface area

Method used

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  • Filter media, pleated media pack, filter element, and method of manufacture
  • Filter media, pleated media pack, filter element, and method of manufacture
  • Filter media, pleated media pack, filter element, and method of manufacture

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Embodiment Construction

[0028] The present disclosure relates to filter media, pleated filter media packs, filter cartridges, and methods for making filter media, pleated filter media packs, and filter cartridges. The pleated filter media pack may be formed by pleating the filter media. In general, filter media may be referred to more simply as "filter media" or "media" and refers to a substrate for filtering particulate contaminants from a fluid stream. The fluid flow may be a gas flow or a liquid flow. Exemplary gas streams include air, and the air streams may be provided for use in engines for motor vehicles, power generation equipment, various furnaces, HVAC, and in enclosed environments where particulates should be removed, such as work and home environments and clean room) suction. The gas flow may also be a gas flow, such as a gas flow for a gas turbine system. Exemplary fluid streams include engine lubrication systems, hydraulic systems, coolant systems, fuel systems, and water.

[0029] ...

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PUM

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Abstract

A filter medium is described that includes a filter substrate having a first side and a second side and configured for passage of fluid from the first side to the second side or from the second side The second side flows therethrough to the first side to filter the fluid. The filter base has a first edge and a second edge, and a first end and a second end, wherein the filter base has a machine direction extending from the first end to the second end, and The side extends to the transverse direction of the second side. The filtering substrate includes a plurality of corrugations positioned in the transverse direction and extending in the machine direction. The plurality of corrugations includes a first plurality of peaks formed along a first side of the filter substrate and a second plurality of peaks formed along a second side of the filter substrate. The filter base includes a plurality of bosses positioned along the first plurality of peaks or along the second plurality of peaks and facing away from the first plurality of peaks or the plurality of second peaks extending in the direction of the other one of the second peaks. Media packs, filter elements, and methods of manufacture are provided.

Description

[0001] This application was filed on July 31, 2015 as a PCT International Patent Application and claims U.S. Provisional Application No. 62 / 032,395, filed on August 1, 2014, and U.S. Provisional Application No. 62 / 187,484, filed on July 1, 2015 priority, the entire disclosures of these provisional applications are incorporated by reference in their entirety. technical field [0002] The present disclosure relates to filter media, pleated media packs, filter cartridges, and methods for making filter media, pleated media packs, and filter cartridges. The present disclosure is directed to corrugated filter media having a first side and a second side, a plurality of first peaks formed along the first side and a second plurality of peaks formed along the second side, and a plurality of bosses positioned along at least one of the plurality of first peaks or the plurality of second peaks. Background technique [0003] Fluid streams, such as air and liquids, entrain contaminant mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/52B01D46/00
CPCB01D46/0001B01D46/523B01D46/525B01D46/522B01D46/526B01D46/527
Inventor 欧阳明D·T·瑞斯奇
Owner DONALDSON CO INC