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Cross-flow differential migration classifier

Flagan, Richard C. (2005) Cross-flow differential migration classifier. Patent number: US6905029B2.

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A method, system, apparatus, and article of manufacture provide a cross-flow migration classifier capable of separating particles. The classifier provides a channel through which a sample, having one or more particles, passes in a first direction, wherein the channel comprises two or more walls that are permeable to a flow of fluid. A cross-flow enters the channel through one of the permeable walls and exits through another of the permeable walls. An imposed field is applied in a second direction that is counter to the cross-flow and having an orthogonal component to the first direction. The imposed field causes one or more of the particles to migrate at a first velocity opposite and/or equal to a second velocity of the cross-flow. The particles that migrate opposite to the cross-flow are continuously discharged from the cross-flow migration classifier.

Item Type:Patent
Patent Classification:Current U.S. Class: 209/210; 209/142; 209/143; 210/223; 210/644; 210/748.01; 95/28; 95/58; 95/71; 95/78; 96/3; 96/52; 96/64. Current CPC Class: B01D 21/0009 (20130101); B03C 3/36 (20130101); B03C 1/035 (20130101). Current International Class: B01D 21/00 (20060101); B03C 1/02 (20060101); B03C 1/035 (20060101); B03C 3/36 (20060101); B03C 3/34 (20060101); B01D 061/00 (); B07B 007/00 ().
Patent Assignee:California Institute of Technology
Related URLs:
URLURL TypeDescription Patents site Patent Office
Flagan, Richard C.0000-0001-5690-770X
Additional Information:Publication number US6905029B2. Publication type Grant. Publication date June 14, 2005 . Application number US20040050756A1. Filing date August 29, 2003. Priority date September 12, 2002. Parent Case Text: CROSS-REFERENCE TO RELATED APPLICATIONS. This application claims the benefit under 35 U.S.C. Section 119(e) of the following co-pending and commonly-assigned U.S. provisional patent application(s), which is/are incorporated by reference herein: Provisional Application Ser. No. 61/295,643, filed on Jan. 15, 2010, by Nicholas Brunelli, Konstantinos P. Giapis, Richard C. Flagan, Jesse L. Beauchamp, and Evan Neidholdt, entitled "CONTINUOUS FLOW MOBILITY CLASSIFIER INTERFACE WITH MASS SPECTROMETER".
Record Number:CaltechAUTHORS:20150909-172243719
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60159
Deposited By: Irina Meininger
Deposited On:02 Mar 2016 19:19
Last Modified:03 Oct 2019 08:54

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