FI106703B - Air purifier - Google Patents

Abstract

The subject matter of the invention is an air purifier, which comprises a body 1, a blower device 2 inside the body, openings 3, 4 in the body for inlet air and outlet air and the filters 5, 6, 7 in the openings or in proximity thereto. In the air purifier according to the invention there is an air guide 8, which is made from a sound-insulating material, such as plastic foam or the like and which has been located inside the body in proximity to the blower device. The air guide 8 extends from the blower device 2 to the outer edge 9 of the opening 4 for the outlet air. <IMAGE>

Description

AIR CLEANER 106703

The invention relates to an air purifier comprising a housing, a fan device housed within the housing, openings 5 formed in the housing for incoming and outgoing air, and filters placed in or near the openings.

Air purifiers are used to purify the air in the rooms. In air purifiers, air is passed through the device and through its 10 different filters. Efficient air purifiers known today purify incoming air in three different steps. In the first step, the incoming air is cleaned with a fiber-based, usually replaceable and disposable, particulate / dust filter. The air is then passed through a washable electric filter located inside the air cleaner. After the electric filter, the air is physically clean, ie all the particles are collected in the filters. Usually, air is passed through a chemically active filter, such as containing 20 activated carbon, before being removed from the apparatus, thereby removing even the most common harmful chemical compounds. The air is circulated with a fan unit located in the air cleaner, the power of which can be adjusted: · '·· as desired.

25 * · • One of the problems with current devices is the relatively high sound power generated by them • · · V * * and the resulting * .. »* * noise level. Some devices have a noise level of% t ** t that cannot be used indoors at room speeds and maximum cleaning • ♦ speeds. Both fan devices and filters cause • · ;; · * noise. Blower units generally emit low * * · «♦» #. '* Tones and especially the electric filter produces high • · ·. * \ I tones. Attempts have been made to combat these in various ways, eg * * ·;! ». 35 club air purifiers different soundproofing but they • j «·. * ·. · *. have not been effective enough.

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It is an object of the invention to provide an air purifier which eliminates the drawbacks associated with existing devices. In particular, it is an object of the present invention to provide an air purifier having a substantially lower noise level than the present equipment. It is a further object of the invention to provide an air purifier having a simple and functional construction.

The object of the invention is achieved by an air purifier, which is characterized by what is stated in the claims.

The air purifiers of the invention have an air deflector made of a sound-insulating material, preferably foam or the like, positioned inside the body near the blower device and arranged to extend from the blower device to the outer edge of the outlet. Such a foam air deflector effectively directs air out of the unit while dampening the sound produced by the blower unit while acting as sound insulation. In addition, it is 20 simple in structure and easy to install. Suitable cellular plastics, known per se, which can be either open-cell or closed-cell material such as: · 1 ·· e.g. polyethylene, polyurethane or similar material are preferably used as the foam. j 25 aalia. It is also possible to use a closed cell structure made of natural rubber or synthetic rubber for this purpose.

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In a preferred embodiment of the invention, the air deflector is arranged to extend from the blower device to the opposite wall of the body and form a partition. Such a dividing wall divides the high noise generated by the electric filter and the low-noise pods produced by the filter device and: \ i: effectively attenuates the sounds contained therein. In addition, such- * / ·;! · {. 35, the foam air deflector prevents the engine from vibrating • · · ·.

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The invention will now be explained in more detail with reference to the accompanying drawing, in which Fig. 1 shows an embodiment of the air purifier according to the invention, obliquely viewed from the side, Fig. 2 shows the air purifier according to Fig.

In the embodiment shown in the drawings, the air cleaning grate comprises a triangular body 1 with an opening 3 formed on one side 10 for the incoming air and an opening 4 formed on the other side 11 for the outgoing air. Inside the housing is a fan device 2, which is a conventional fan device designed for this purpose. At the mouth of the incoming air opening 3 is located a fiber-like, replaceable particle / dust filter 5 underneath this filter. positioned activated carbon filter 20 7.

In the embodiment shown in the figures, the air filter is triangular and in this embodiment the triangle is an equilateral triangle e '. The filter device is positioned at one corner of the triangle. 25 and openings 3 and 4 are on the opposite side and the other side of the angle.

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In the space between the fan and the outlet there is located an air deflector 8 made of cut-off sound-proofing material made of absorbent foam.

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The air deflector 8 is positioned so that it extends from the mouth of the blower, · · device 2, with respect to the air outlet 4, relative thereto. j · * »·· * to the opposite edge 9. The air deflector directs the air from the fan unit directly to the outlet. In addition, the airflow / 35 stayed 8, i.e. the absorption foam extends to the opposite of the body • * * «. '. sideways. Thus, at the same time, it provides an effective sound insulation, effectively isolating the air flowing through and the V * • · 106703 filter noise.

In a preferred embodiment of the invention, the air deflector is formed of a plate on which e.g.

5 by gluing the damping material.

The invention is not limited to the preferred embodiments shown, but may vary within the scope of the inventive idea of the claims.

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Claims (2)

5 106703 An air cleaner comprising a frame (1), a fan device (2) located within the frame, openings (3, 5 4) formed in the frame for incoming and outgoing air, and filters (5, 6, 7) located in or near the openings in that a partition is formed inside the body, which extends from the fan device (2) to the outer edge (9) of the outlet (4) and 10, which is arranged to separate the incoming and outgoing air spaces, and air deflector (8) made of foam or similar. Air purifier according to Claim 1, characterized in that the air guide (8) is arranged to extend from the blower device to the opposite wall (10) of the body (1). «T:" · -: •. · • · · ·> ··? • «Λ • · 1 • · · · · · · · · · • • • • • • • 4 ♦ «\ ·« · · «» · · · •>: # · »« 6 106703