Environment decontaminating system having air cleaning and deodorizing function
AssigneeYushin Engineering Corporation
InventorTsutomu Hiromi
Life of this patent
Estimating the term…
Abstract
An environment decontaminating system has an air cleaning and deodorizing function. It includes a housing having an inlet and an outlet for passage of air. A DC high voltage dust collector and a dust catching filter are provided adjacent the inlet. An ozone generator is positioned adjacent the filter. An odor/ozone turbulent mixing plate is positioned adjacent the ozone generator. A deodorizing catalyst is positioned adjacent the mixing plate. An acid gas absorbent, a suction scavaging fan, and an ozone concentration sensor are positioned adjacent an outlet of the housing.
Claims8
An environment decontaminating system having air cleaning and deodorizing functions comprising:
- a housing;
- an inlet on said housing;
- a filter disposed in said inlet;
- a DC dust collector positioned adjacent said inlet in said housing;
- a dust catching filter positioned adjacent said dust collector;
- an ozone generator positioned downstream and adjacent said filter means, adjacent said ozone generator, for mixing air with ozone produced by said ozone generator;
- a deodorizing catalyst positioned downstream of said ozone generator;
- an acid gas absorbent positioned downstream and adjacent said catalyst;
- a scavenging fan positioned downstream and adjacent said absorbent;
- an ozone concentration sensor positioned adjacent said fan, said sensor having an output;
- and
- an outlet on said housing, wherein said concentration sensor is positioned near said outlet and provides a signal at said output indicating an ozone concentration at said outlet.
An environment decontaminating system having air cleaning and deodorizing functions comprising:
- a housing having an air inlet and an air outlet, said housing enclosing therein:
- a DC dust collector operating in a voltage range of about 6 KV for producing a Coulomb effect;
- an ozone generator having a dielectric layer formed from a ceramic;
- a control unit operably coupled to said ozone generator;
- an ozone deodorizing catalyst;
- an acid gas absorbent;
- said ozone deodorizing catalyst and said acid gas absorbent having a honeycomb configuration and a total volume value ranging between 30,000.sup.-h and 100,000.sup.-h ;
- and a scavenging fan arranged respectively from said air inlet to said air outlet;
- and
- an ozone concentration sensor provided adjacent said air outlet, wherein a gas phase concentration of ozone exiting said air outlet is monitored by said ozone concentration sensor which generates an output received by said control unit which in turn controls said ozone generator.
A device for removing airborne contaminants from an enclosed space, comprising:
- a housing having an air inlet and an air outlet for passing an air stream therethrough and containing the airborne contaminants;
- a filter disposed within said air inlet for physically removing a portion of the airborne contaminants;
- an electrode formed from a wire mesh or carbon fiber, disposed within said housing adjacent said filter for electrically charging the airborne contaminants in said air stream passing through said filter;
- a dust collection assembly disposed downstream and adjacent said electrode, and having a washable, reusable fibrous filter section, and a direct current anode section, cooperatively operating to attract and trap the airborne contaminants within said air stream charged by said electrode;
- means downstream and adjacent said dust collection assembly for reacting the airborne contaminants within said air stream with ozone, including a heat-controlled creeping discharge ozone generator for introducing ozone into said air stream at a concentration of less than 1.0 parts per million;
- a deodorizing catalyst assembly disposed downstream and adjacent said reacting means for facilitating oxidation/reduction chemical processes on the airborne contaminants within the air stream;
- an acid gas absorbent assembly disposed downstream and adjacent said deodorizing catalyst for removing acidic gases from the air stream produced in said reacting means said deodorizing catalyst assembly;
- a scavenging fan disposed downstream and adjacent said acid gas absorbent assembly for moving the air stream into said inlet, through said housing and out said outlet;
- and
- an ozone concentration sensor disposed downstream of said acid gas absorbent assembly for producing an output signal indicative of levels of ozone within said air stream exiting said outlet.
Dependencies are inferred from the claim text.