US 6,843,835 B2 · Air cleaning apparatus and method for cleaning air

Abstract

An air cleaning apparatus is disclosed which, in one embodiment, has: an inlet for ambient air; an outlet for purified air; a mechanism for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed in the ambient air by contact with said scrubbing liquor; an inlet for feeding a scrubbing liquor from a scrubbing liquor feeding tank; an outlet for discharging used scrubbing liquor; and a blower for drawing ambient air into the apparatus, flowing the air through the apparatus and discharging the purified air from the apparatus. A kit including an apparatus as described above and a refill of scrubbing liquor ingredients, or of a scrubbing liquor concentrate or of a ready-to-use scrubbing liquor is also disclosed.

Claims28

Dependent claims

A stand-alone indoor air cleaning apparatus comprising:

a. an inlet for ambient air;
b. an outlet for purified air;
c. a means for the uptake of a scrubbing liquor and for the removal of impurities dissolved or dispersed in the ambient air by contact with said scrubbing liquor, wherein said scrubbing liquor comprises a non-evaporative liquid that is able to remove at least some volatile organic compounds and gaseous pollutants from ambient air containing such pollutants;
d. an inlet for feeding a scrubbing liquor from a scrubbing liquor feeding tank;
e. an outlet for discharging used scrubbing liquor;
and
f. a blower for drawing ambient air into the apparatus, flowing the air through the apparatus and discharging the purified air from the apparatus.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

10/106,917Filed 25 Mar 2002 · us provisional application

Priority

27 Mar 2001

Published

US 2003/0056648 A127 Mar 2003

Granted

18 Jan 2005

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

B01D 47/06
Separating dispersed particles from gases, air or vapours by liquid as separating agent: spray cleaning
B01D 50/60
Combinations of methods or devices for separating particles from gases or vapours: combinations of devices covered by groups B01D46/00 and B01D47/00
F24F 8/133
Using wet filtering: by direct contact with liquid, e.g. with sprayed liquid
F24F 8/117
By separation, e.g. by filtering: using wet filtering

Air cleaning apparatus and method for cleaning air

Life of this patent

Air cleaning apparatus and method for cleaning air

Life of this patent

Abstract

Claims28