Patent Publication Number: US-2006008391-A1

Title: Nano electro-optical air sterilizer and fresh air maker with ionizer

Description:
BACKGROUND OF THE PRESENT INVENTION  
      The present invention relates to an air purifier, more particularly to an air purifier which employ UV tube to generate UV with wavelength of 253.7 nanometers, which is able to kill bacteria, virus and mildew in the air while emits negative ions into the environment.  
     FIELD OF INVENTION  
      Most conventional air purifiers require normal indoor power supply such as 220V or 120 volt depending on geographical limitation, while few of those are designed mainly for transportation vehicles, which allow air purifier to function under a power supply generated by automobile, i.e. 12 volt, as transportation vehicles are operating. Almost no conventional air purifier has the ability providing capacity for both indoor power supply and automobile power supply.  
      Numerous air filters have been provided in prior art. For example, U.S. Pat. No. 3,967,927, U.S. Pat. No. 4,210,429; U.S. Pat. No. 5,171,060 and U.S. Pat. No. 5,330,722 all are illustrative of such prior art. While these units may be suitable for the particular purpose to which they address, they would not be as suitable for the purposes of the present invention as heretofore described.  
      As disclosed in U.S. Pat. No. 3,967,927, an ultraviolet lamp fixture for purifying the air within a room by means of passing the air over a plurality of hot cathode or other commercially available ultraviolet ray tubes. The tubes are mounted vertically within a decoratively covered, easily movable, pole-mounted housing having a motorized fan, which moves air through an opening in the lower portion of the housing over the tubes for purification. The purified air stream is exhausted through the top portion of the housing and returned to the room. The interior of the housing has deflector vanes which function to create a turbulent airflow in the area of the tubes to insure that contacting the lamps purifies all of the air passing through the lamp fixture. The lamp fixture is provided with means for filtering the circulating air. In an alternate embodiment, the air passes through a dehumidifier prior to passing by the tubes.  
      Furthermore, U.S. Pat. No. 4,210,429, a room air purifier for quietly removing irritating or harmful impurities from the air circulating within the room. The purifier removes from room air, particles down to 0.3 microns in size with 99.9% efficiency. The air purifier comprises a somewhat elongated upright housing having an easily-removable back, a two-speed blower that is preferably AC operated and disposed at the bottom of the housing, a pair of vertically disposed ultraviolet lamps and associated means for powering the lamps including push button switch means, and preferably three separate filters including a pre-filter disposed at the inlet of the blower, a highly efficient main filter element vertically stacked over the blower and lamps and a charcoal filter disposed over the main filter element. The blower sucks the air in the bottom of the purifier through the pre-filter and up adjacent to the lamps to the main filter element and charcoal filter, and from there the purified air passes to a top baffle cover where the air is exited in preferably four directions from the purifier.  
      In U.S. Pat. No. 5,171,060, an ornament-displaying article of furniture having a weight-bearing surface member and pedestal base has a supporting substantially cylindrical and preferably transparent column releasable connected to the weight-bearing surface member. The appearance of the column may be altered with an agglomeration or reflective fill material, such as marbles, which may be exchanged by detaching the column from the weight-bearing surface member. In a preferred embodiment a light source irradiates light reflective or light radiant material of the fill.  
      In U.S. Pat. No. 5,330,722 a germicidal air purifier for trapping and destroying airborne microorganisms is disclosed. The air purifier includes an ultraviolet radiation source and a juxtaposed filter medium. One ultraviolet radiation source and filter medium is fixed and the other is displaceable, so that at least an upstream side of the filter medium is systematically exposed to germicidal levels of radiation. In a first preferred embodiment, a fixed ultraviolet lamp irradiates a cylindrical air filter, which is rotated on its longitudinal axis in close proximity to the lamp, so that the upstream side of the filter is systematically irradiated. In a second preferred embodiment, a radiant lamp fixture is moved reciprocally across an upstream side of a planar filter, to systematically irradiate the filter. In a third preferred embodiment, a radiant lamp fixture is rotated about an axis, which is orthogonal to its longitudinal midpoint, so that a circular area of a planar filter is irradiated. The advantage is that microorganisms trapped on the filters are exposed to a lethal dose of radiation and the air purifier is consistently effective at destroying a significant percentage of airborne microorganisms suspended in the air passed through the filter.  
      In addition, most conventional air purifiers can only separate unwanted airborne particles from air to achieve so-called purification for air. However, this is a well known fact that anions in the air are good for health. It would be beneficial should air purifiers can produce anions while separating unwanted airborne particles from air allows.  
     DESCRIPTION OF RELATED ARTS  
     SUMMARY OF THE PRESENT INVENTION  
      A main object of the present invention is to provide an air purifier has the ability providing capacity for both indoor power supply and automobile power supply.  
      A main object of the present invention is to provide an air purifier which employ UV tube to generate UV with wavelength of 253.7 nanometers, which is able to kill bacteria, virus and mildew in the air while emits negative ions into the environment.  
      Another object of the present invention is to provide an air purifier can produce anions while separating unwanted airborne particles from air flows.  
      Accordingly, in order to accomplish the above objects, the present invention provides an air purifier, which comprises:  
      an air ventilator,  
      an UV emission tube, and negative high voltage electrical carbonization fiber. When the air is drawn into said air purifier through its ventilator, it goes through two different constant circulating processes. First process is to exercise negative high voltage on carbonization fiber to discharge electricity, thus creates negative ions and then emanates the air through vent. Second process sets off UV to kill bacteria, virus and mildew. There is a one incoming air vent and one outgoing air vent. Said high voltage carbonization fiber is fixed inside of an outgoing air vent, while said UV emission tube is located within said incoming air vent. Said air ventilator is positioned inside of said air purifier, taking in regular air with bacteria, virus, and mildew to said air purifier. It drives the moving air through said air purifier, forcing air with bacteria, virus and mildew to contact said UV tube, so that UV could perish bacteria, virus and mildew first, and then it pushes the air through the purification process of negative ionization and finally emanates fresh air with negative ion to improve the indoor air quality. 
    
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       FIG. 1  is a side view of the present invention.  
       FIG. 2  is a vertical sectional view thereof.  
       FIG. 3  is a cross profile thereof.  
       FIG. 4  is a front view thereof.  
       FIG. 5  is a rear view thereof.  
       FIG. 6  is another side view of thereof.  
       FIG. 7  is a supine view thereof.  
       FIG. 8  is a bottom view thereof.  
       FIG. 9  is a perspective assembly chart of the preferred embodiment. 
    
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT  
      Said air purifier has a three dimensional cylinder shaped body with distinctive front ( 1 ) and back ( 2 ). Ark shaped air outgoing lattice ( 3 ) is fixed on the front of said unit&#39;s ( 1 ) outgoing air vent ( 4 ). Said air outgoing lattice vent ( 3 ) is also an outlet of ionized air. As shown in  FIG. 2  and  3 , said incoming air lattice ( 5 ) is located at said upper part of back portion of the product ( 2 ). Said incoming air lattice ( 5 ) serves as a fixed dust filtering shelf ( 6 ) and dust filtration screen ( 7 ). Behind said front outgoing air vent ( 4 ) is an air ventilator ( 8 ) and photoelectrical outgoing air device ( 9 ). A carbonization fiber ( 10 ) is located at the back of outgoing air lattice ( 3 ). Via negative high voltage it creates effectiveness of ionization on air. Photoelectron air incoming device ( 19 ) and photoelectron outgoing device ( 9 ) combined together to form an air collector ( 27 ). An UV emission tube ( 21 ) is located at an UV tube fixture ( 20 ). On top portion of said UV tube fixture is connected with a rotational lid ( 22 ). On top portion of said front ( 1 ) and said back ( 2 ) of said unit locates a flat board ( 23 ) and a top cover ( 24 ). It clearly shows user when turn the rotational lid ( 22 ) and pull it up, said UV fixture ( 20 ) can be pulled out through the rectangular hole ( 25 ) on the flat board ( 23 ) and another rectangular hole ( 26 ) from the top cover ( 24 ) for purpose of cleaning or replacing a new UV tube ( 21 ). When draw out said UV tube ( 21 ), an on/off switch ( 17 ) will turn off power on said air purifier, thus secures electrical circuits, and prevents user from harmful effect caused by electrical shocks.  
      Hand held piece ( 11 ) is at top portion of back of said product ( 2 ), providing convenience for user to carry said air purifier around.  
      A power electron generator ( 13 ), electron converter ( 14 ) electronic circuit system is characterized by a high negative voltage output volume as stated, i.e. within the range of 4.5 kv and 8.5 kv, and time control gadget ( 15 ) are placed solid on a supporting base ( 12 ). On top of said electron generator ( 13 ) and electron converter ( 14 ) sets UV tube power receptacle ( 16 ), on/off switch ( 17 ), and power receptacle ( 18 ). Supporting base ( 12 ) is connected at bottom of front ( 1 ) and back ( 2 ) of the appliance. There are four shockproof feet at bottom of the supporting base ( 12 ) to support said air purifier performing on any surface.  
      At lower part of surface on said front body ( 1 ) has two big round holes ( 26 ) to fasten on/off switch ( 32 ) and time control gadget ( 28 ). Small holes ( 29 ) are to fasten different color light emission bipolar tubes ( 30 ) for light indications on various functions.  
      In practice, when activating said air purifier, said ventilator ( 8 ) absorbs air with bacteria, virus and mildew through dust filtration screen ( 7 ), moves them into the air collector ( 27 ) which is inside of front portion of said unit ( 1 ). At back of the air collector ( 27 ) has many strip frames ( 28 ) which guide moving air through air collector ( 27 ) to the outgoing air lattice ( 3 ). UV tube ( 21 ) is located at the center of said air collector ( 27 ), in other words, air contains bacteria, virus, mildew travels into the both sides of air collector&#39;s ( 27 ) collecting pockets ( 29 ), then moves into the air intake vent ( 30 ) which is located between UV tube ( 21 ) and collecting pockets ( 29 ). Therefore when air goes though air intake vent ( 30 ), bacteria, virus, and mildew are killed by UV emitted from said UV tube ( 21 ). Said purified air will then be absorbed by ventilator ( 8 ) to outgoing lattice&#39;s ( 3 ) negative high voltage carbonization fiber ( 10 ) to be ionized. At the end, the ionized fresh air is released through outgoing air lattice ( 3 ) to improve the indoor air quality.  
      There are covered walls ( 31 ) on both front and back portion of said air collector ( 27 ). Said covered walls ( 31 ) are to prevent UV from exceeding outside of the product, thus prevent user&#39;s eyes from harmful effects by exposing under UV.  
      There are different paths for input power voltage when it enters into said air purifier. One passes through said on/off switch ( 28 ) to circuitry of negative ion generator. Another goes through rectifier providing power to ventilator ( 8 ), and the circuitry that exchange DC and AC, activating circuitry for UV tube ( 21 ). Another one provides power to negative ion generator and UV tube&#39;s ( 21 ) automatic circulating controlled circuitry, in charge of the operation of negative ion generator and UV tube ( 21 ).  
      After on/off switch ( 28 ) is turned on, user can choose long term or specific time setting on Nano Photoelectron Sterilization Air Purifier. If time setting is chosen, user can adjust time controller ( 27 ) to shut off the electricity at a desired time in advance.  
      Negative ion from the generator could promote biochemistry process in human body. When inhaled increased quantity of negative ions, it could lower the hormonal secretion on depression and fatigue.  
      Said air purifier uses UV tube to generate UV with wavelength of 253.7 nanometers, which is able to kill bacteria, virus and mildew in the air. In this modern society, air condition is a must appliance for families, hospitals, senior citizen centers, shopping malls, theaters, restaurants, office buildings, automobile manufacturers, elevators, different cars, ships, airplanes, and trains. Functions of Nano Photoelectron Sterilization Air Purifier improve the environments of our lives, habitations, medical treatments, work conditions, shopping and transportations etc.; provides us clean spaces in this constant nature demolishing modern society.