Invention Grant
- Patent Title: Liquid recovery filter
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Application No.: US15864869Application Date: 2018-01-08
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Publication No.: US10751652B2Publication Date: 2020-08-25
- Inventor: ZhenWu Lin , Jacob Andrews , Hannah C. Hertrick
- Applicant: Saint-Gobain Performance Plastics Corporation
- Applicant Address: US OH Solon
- Assignee: SAINT GOBAIN PERFORMANCE PLASTICS CORPORATION
- Current Assignee: SAINT GOBAIN PERFORMANCE PLASTICS CORPORATION
- Current Assignee Address: US OH Solon
- Agency: Lorusso & Associates
- Main IPC: B01D29/58
- IPC: B01D29/58 ; B01D29/90 ; B01D35/30 ; B01D36/00 ; B01D29/21 ; B01D19/00 ; B01D29/52 ; B01D35/16 ; B01D35/15

Abstract:
A liquid recovery filter assembly for recovering filtered liquid trapped within a core or downstream side of a filter element. Multiple embodiments each include a recovery port and a recovery filter in fluid communication with the core or downstream side of the filter element. The recovery port is opened following filtration operations to permit and to facilitate filtered liquid to flow from a downstream or outlet port, thus allowing recovery of liquid remaining in the filter core or downstream side following filtering operations. The recovery filter permits the introduction of pressurized gas to force the filtered liquids from the filter assembly without compromising the sterility and/or non-contaminant condition of the liquid. Additional aspects include exchangeable filter cartridges or filter elements in single and multi-round configurations, embodiments with aspiration tubes and dip tubes and still others with hydrophilic/hydrophobic recovery filters that function as filters and as valves for the recovery port.
Public/Granted literature
- US20180126310A1 LIQUID RECOVERY FILTER Public/Granted day:2018-05-10
Information query
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