MICROMACHINED VIRTUAL IMPACTOR - MESOSYSTEMS TECHNOLOGY INC

Title:

MICROMACHINED VIRTUAL IMPACTOR

Document Type and Number:

WIPO Patent Application WO2001054784

Kind Code:

A3

Abstract:

A separation plate separates a major flow of fluid from a minor flow of fluid. The major flow includes a minor portion of particles greater than a "cut size," while the minor flow includes a major portion of particles greater than the cut size. Plates define a laterally extending passage between a front of the separation plate and its rear. The passage telescopes or converges from an initial height at its inlet, to a substantially smaller height at its outlet. A slot extends transversely into the plates from within a minor flow portion of the passage and connect into major flow outlet ports. The flow of fluid into the outlet is thus divided into the major flow, which flows from the major flow outlet ports and the minor flow that exits the outlet of the passage. To accommodate a desired flow of fluid, the width of the passage can be changed, or an array of stacked separation plates can be employed.

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Inventors:

KENNING VANESSA
MOLER CHRISTOPHER
BIRMINGHAM JOSEPH
CALL PATRICK

Application Number:

PCT/US2001/003018

Publication Date:

March 07, 2002

Filing Date:

January 29, 2001

Export Citation:

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Assignee:

MESOSYSTEMS TECHNOLOGY INC (US)

International Classes:

B01D45/08; B81B1/00; G01N1/28; G01N15/02; G01N1/02; G01N1/22; G01N15/00; (IPC1-7): B07B7/04; B01D45/08

Foreign References:

US4767524A	1988-08-30
US4301002A	1981-11-17
US4670135A	1987-06-02
US5425802A	1995-06-20
US6062392A	2000-05-16

Other References: