Invention Grant
- Patent Title: Product and method of forming a gradient density fibrous filter
- Patent Title (中): 形成梯度密度纤维过滤器的产品和方法
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Application No.: US11761812Application Date: 2007-06-12
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Publication No.: US07896941B2Publication Date: 2011-03-01
- Inventor: Kyung-Ju Choi
- Applicant: Kyung-Ju Choi
- Applicant Address: US KY Louisville
- Assignee: AAF-McQuay Inc.
- Current Assignee: AAF-McQuay Inc.
- Current Assignee Address: US KY Louisville
- Agency: Middleton Reutlinger
- Agent James E. Cole; John F. Salazar
- Main IPC: B01D39/16
- IPC: B01D39/16

Abstract:
A filter media product and method of making the same wherein at least two filter media thicknesses of differing average coarse and fine fiber sizes are held in intertangled relationship forming a gradient density fibrous filter media with the fiber sizes having an overall average in successive thicknesses being either greater or less than the average fiber size of the intertangled fiber thickness(es).
Public/Granted literature
- US20070227359A1 Product and Method of Forming a Gradient Density Fibrous Filter Public/Granted day:2007-10-04
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