Chemical apparatus and process disinfecting – deodorizing – preser – For deodorizing of – or chemical purification of – or... – With means exposing gas to electromagnetic wave energy or...
Patent
1997-01-17
1999-04-06
McKane, Elizabeth
Chemical apparatus and process disinfecting, deodorizing, preser
For deodorizing of, or chemical purification of, or...
With means exposing gas to electromagnetic wave energy or...
96224, 454187, A61L 920
Patent
active
058913998
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to an arrangement in a purifying system, especially purification related to micro particles and micro organisms, comprising a base means carrying filter means and UV sources.
BACKGROUND OF THE INVENTION
The requirement for purifying air as regards micro particles and micro organisms is continuously increasing, both in private homes, official buildings, restaurants, hospitals, nutrient manufactures, etc.
PRIOR ART
It is previously known that ultra violet rays within certain wavelength can destroy all forms of micro organisms as well as making irreversible damage to superior creatures if the intensity and the duration of the radiation is above a certain level.
For example, in operating rooms there is used UV radiation for sterilizing instruments and furniture, but in such cases said UV sources are too few or positioned in such a way that the radiation does not cover the surfaces or objects in question. There are also previously known water purification systems including UV radiation.
Further, there are known various types of mechanical filters, for example so-called absolute filters having a selectivity degree above 99,9%, but such filters will without frequent exchange and separate sterilization constitute a hotbed of further development of fungi, bacteria or virus.
It is also previously known to use corona discharge for purifying air, so-called bioclimatics, wherein the air passes a corona discharge for combined purification and sterilisation of the air, as well as a refreshment of the oxygen molecules.
DISCUSSION OF THE INVENTION
An object of the present invention is to provide a arrangement in a purifying system in which the combination of previously known cleaning methods can provide a substantially better result, at the same time as the arrangement in a simple manner can be adapted to various fields of application.
This is achieved in an arrangement of the type as stated in the preamble, which according to the invention is characterized in that said base means are equipped with preferably remotely controlled means which upon appropriate signal can bring the base means to, on the one side, take a completely or partly passive mode for harmless UV covered purification/radiation of air, and, on the other side, take an active mode for especially UV exposed radiation of objects and room surfaces, and preferably in combination with purification of room air.
Especially in connection with the utilization wherein the purification system also is to effect direct UV radiation of the room in question and the objects being housed therein, the invention is characterized in that said base means are constituted by housing means comprising one or more controlled covers which through appropriate signal take a closed position for UV covered purification/radiation of air and an open position for combined UV exposed radiation of objects and room surfaces and purification of air, respectively.
It may be appropriate that said housing means is arranged for ceiling mounting, wall mounting, stand-alone mounting, or a combination thereof, for by the combination of several housing means to render full UV radiation of all surfaces/objects in a room.
Alternatively, an embodiment may be to the fact that said preferably remotely controlled means are provided for displacing said arrangement in the room in question.
In connection with other embodiments one housing means can be provided as a central first aggregate, said aggregate comprising an inlet pipe sucking impure air to the housing means via a plurality of branches included in a ventilation system, for example branches which are designed as ornament objects and/or utility objects in a living room, for example a restaurant.
A variant of such an aggregate can be to the fact that said aggregate comprises an outlet opening which by over pressure blows out from said aggregate cleaned air from said housing means via a plurality of branches included in a ventilation system, for example via branches designed as ornament object
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Dickenson, T. Christopher. Filters and Filtration Handbook, 4th ed, p. 630, 1997.
Klean As
McKane Elizabeth
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