Air filter unit with several filter elements

Details Air filter unit with several filter elements Air filter unit with several filter elements

2006-11-07

2006-11-07

Lawrence, Frank M. (Department: 1724)

Gas separation: processes

Solid sorption

C095S273000, C096S132000, C096S135000, C096S153000, C096S154000

Reexamination Certificate

active

07132007

ABSTRACT:
A filter unit for the purification of air includes at least a first filter element, which contains granular, especially spherical, activated carbon as an adsorbent material, and at least a second filter element, which contains a combination of granular, especially spherical, activated carbon and activated carbon fibers as an adsorbent material. The filter unit is suitable especially for use in ventilation plants, ventilation systems, air-conditioning systems and the like.

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