Unlock instant, AI-driven research and patent intelligence for your innovation.

Pleated filter media with wedge grooves

A filter media, pleated technology, applied in the field of media components, pleated filter media, and filter elements, can solve problems such as improvement restrictions, and achieve high utilization levels.

Active Publication Date: 2016-01-06
DONALDSON CO INC
View PDF12 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While pleats with non-uniform surfaces can offer advantages, their improvement is limited, especially with regard to deeper pleat configurations

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Pleated filter media with wedge grooves
  • Pleated filter media with wedge grooves
  • Pleated filter media with wedge grooves

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0068] The present invention is directed to pleated filter media and filter media pleat assemblies that include directionally extending grooves between pleat folds, and to methods and apparatus for producing pleated filter media and media pleat assemblies. The grooves are three-dimensional structures formed in the filter media that provide favorable flow paths along the pleated surface, allow fluid to flow favorably through the media, and provide efficient contaminant removal.

[0069] The media and at least some of the grooves in the pleated assembly have a wedge-shaped geometry. Such a wedge typically provides a variation in the groove's width, height, and / or cross-sectional area along at least a portion of its length. While the cross-sectional area of ​​a particular slot may vary from one end of the slot to the other, the width of the slot or the height of the slot need not be simultaneously tapered. Indeed, in some implementations, the width, height, or both are constant ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
tensile strain at breakaaaaaaaaaa
Login to View More

Abstract

Provided herein are pleated filter media, media assemblies, filter elements, and methods for filtering fluids that include three-dimensional wedge-shaped grooves in the media surface configured to improve filter performance. In certain embodiments, the grooves have defined peaks that reduce shadowing between adjacent corrugations, the grooves have ridges along their length to modify the cross-sectional geometry of the grooves, and / or the grooves span The medium provides volume asymmetry.

Description

[0001] Cross References to Related Applications [0002] This application was filed on January 25, 2011 as a PCT International Patent Application for Donaldson Company, Inc., a U.S. company, as an applicant in all designated countries except the United States, and as an applicant in the U.S. designated country only Filed on behalf of Gary J. Rocklitz, a US citizen, and claims priority to US Provisional Patent Application No. 61 / 298,109, filed January 25, 2010, the contents of which are incorporated herein by reference. The entire disclosure of US Provisional Patent Application No. 61 / 298,109 is incorporated herein by reference in its entirety. technical field [0003] The present invention relates to pleated filter media, media packs, filter elements, and methods of making the media, media packs, and filter elements. Background technique [0004] Fluid streams, such as gases and liquids, often carry contaminants within them. In many instances, it is desirable to filter som...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/52B01D25/26B01D46/00
CPCB01D29/0093B01D29/213B01D46/0001B01D46/2411B01D46/526B01D2201/127B01D2201/12B01D25/26B01D46/522B01D46/525
Inventor G·L·罗克利兹
Owner DONALDSON CO INC