Filter configuration for a vapor extraction hood

Details Filter configuration for a vapor extraction hood Filter configuration for a vapor extraction hood

2004-08-27

2008-09-09

Hopkins, Robert A. (Department: 1797)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

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.

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patent: 1487947 (1989-06-01), None
patent: 1632468 (1991-03-01), None

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