- 专利标题: FILTER MEDIA HAVING AN OPTIMIZED GRADIENT
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申请号: US17076231申请日: 2020-10-21
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公开(公告)号: US20210101100A1公开(公告)日: 2021-04-08
- 发明人: Maxim Silin , Sudhakar Jaganathan
- 申请人: Hollingsworth & Vose Company
- 申请人地址: US MA East Walpole
- 专利权人: Hollingsworth & Vose Company
- 当前专利权人: Hollingsworth & Vose Company
- 当前专利权人地址: US MA East Walpole
- 主分类号: B01D39/14
- IPC分类号: B01D39/14 ; B01D29/00 ; B01D39/16 ; B01D33/00
摘要:
Filter media having a gradient in a property and methods associated with such media are provided. In some embodiments, a filter media may have a gradient in mean pore size. The gradient in mean pore size may be across at least a portion of the thickness of the filter media. In some embodiments, the gradient can be represented by an exponential function. The exponential gradient in mean pore size may impart desirable properties to the filter media including enhanced filtration properties (e.g., relatively high dust holding capacity and efficiency), amongst other benefits. The filter media may be particularly well-suited for applications that involve filtering liquids (e.g., hydraulics, fuel, lube, water), though the media may also be used in other applications.
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