Filter configuration for a vapor extraction hood

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing

Reexamination Certificate

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Details

C055S443000, C055S466000, C055S511000, C055SDIG036

Reexamination Certificate

active

07422613

ABSTRACT:
A filter system extracts particles and/or drops of liquid from air flowing through the filter system. The filter system has a filter layer disposed in a plane and a cyclone collector that is disposed in the edge region of the filter layer. The cyclone collector is provided with a device which, compared with the filter layer, creates a higher flow speed and stronger vortexing of the circulating air. The cyclone collector can be produced from horizontal cyclone elements, curved, horizontal elements or from expanded metal.

REFERENCES:
patent: 3425334 (1969-02-01), Brown
patent: 3854912 (1974-12-01), Terrel et al.
patent: 3910782 (1975-10-01), Struble et al.
patent: 5318609 (1994-06-01), Kittler
patent: 27 20 201 (1978-11-01), None
patent: 41 31 988 (1993-04-01), None
patent: 41 38 846 (1993-05-01), None
patent: 197 53 687 (1999-06-01), None
patent: 1487947 (1989-06-01), None
patent: 1632468 (1991-03-01), None

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