NATURAL AERATION DEVICE

DESCRIPTION

[001] The technical field of the present invention is the exchange of air in closed environments in consideration of the fact that with the hermetic closure of the windows and with the coat systems useful for thermally insulating the houses there is no longer transpiration and ventilation which took place through drafts from the windows or doors that changed the air in a natural way and that now with the airtightness of the house no longer occurs creating the problem of mold due to persistent moisture on the walls and stagnation of air consumed inside.

[002] Contrary to common thought, moreover, not even air conditioners and air conditioners can solve the problem because they do not make a change of worn air but only a recycling of indoor air, and leaving inside civil and industrial homes, hospitals etc., the air consumed without ever changing it, which to change it returns to the standard method and natural to open the windows and lose that thermal advantage that the hermetic closing systems of the windows and the coat on the walls had made to save energy for cooling and heating the houses.

Known art

[003] Currently domestic and industrial ventilation and ventilation systems are divided into natural ventilation and mechanical ventilation.

[004] Drafts of air, due to the lack of airtightness of doors, window panes and walls, or communicating holes, have always guaranteed in any case a minimum natural ventilation of closed environments.

[005] The replacement of wooden fixtures, subject to aging, equipped with a single glass and little hermetic, with those in plastic, or metal, have produced an almost total decrease in natural ventilation of the houses.

[006] In addition, the external infill of the houses, to increase the thermal insulation, has made the houses hermetic, but has made the environments humid and unhealthy, creating many problems of mold and bad odors inside them.

[007] Contrary to the collective imagination, with the use of air conditioners or air conditioners there is no exchange of air, but simply a recycling of air, which is heated or cooled.

[008] One of the most obvious problems of known art is the fact that the methods so far proposed do not satisfy in any way a natural exchange of air, without having to undergo electrical consumption in the case of mechanical ventilation, or door or window openings in the case of natural ventilation.

Purpose

[009] The purpose that wants to achieve the device object of this patent application is essentially aimed at the creation of a new natural ventilation device, not mechanical and not electrically powered but that fully solves the exposed problems of air exchange in closed environments.

[0010] A natural ventilation device sized according to plant needs, which fully solves the problems of humidity, mold, and bad odors, and to protect closed environments from external pollution, bacteria and viruses, fine dust and dioxin, leaving thermally and acoustically separated the inside from the outside.

[0011] The materials used by the device are ecological, natural and recyclable, without periodic replacement of the elements that compose it, during the phases of necessary maintenance, creating a result adequate to the needs of having a change of air inside closed environments that is continuous, controlled, purified, very efficient, with what the known natural physical principles that nature offers us.

[0012] A natural ventilation device that is a substitute for bidirectional electric vacuum cleaners, but also complementary, to air conditioners and air conditioners in air- conditioned environments, obtaining the result of having an airy and air-conditioned environment without having additional energy consumption, but rather saving.

[0013] Not everyone knows that at home, or indoors, the air can be more polluted inside than outside and thepollutants we produce "in the first person" there is first of all tobacco smoke, our breath produces carbon dioxide, substances derived from combustion processes and detergents for domestic cleaning.

(0014) If, for example, natural ventilation devices are used in a complementary way to air conditioners, one of which is applied at the top of the ceiling and one positioned at the bottom of the floor, the movement of air produced by air conditioners or air conditioners, in the environment creates an overpressure, which pushes the air outside from the device inserted at the top and draws air from the outside in the device inserted at the bottom, achieving the result of effective air conditioning and aeration.

[0015] For ease of exposure the natural aeration and filtration device bidirectional, the subject of this patent application will henceforth be called "device".

[0016] This and other goals are achieved through the invention described in detail below.

[0017] The principle of operation of the device exploits both the barometric pressure variations, due to changes in atmospheric pressure, and the pressure variation inside and outside the houses due to the continuous daily and night temperature variations. [0018] They are natural and scientifically known physical principles, and in fact for every degree of temperature variation more, or less, there is a variation in the pressure of the saturated vapor of the air of about two millibars, and this means that even minimal temperature ranges allow air exchanges between the inside and the outside of a closed environment and and from the outside to the inside and from the inside to the outside.

[0019] With an increase in the internal temperature, the more humid air becomes more rarefied with a consequent increase in pressure, this creates an over-pressure inside the dwelling, which is expelled outside via the device located at the top.

[0020] In the case of a decrease in temperature inside a closed environment or a dwelling, the internal pressure decreases until it causes an internal depression, which in this case is filled by the external atmospheric pressure, higher.

[0021] The continuous search for the balance between the internal environment and the external environment, means that the higher external atmospheric pressure pushes air inside, up to put them in balance in a continuous cycle of aeration.

[0022] By way of example we can note a container of half-empty water, hermetically closed, which when it is at room temperature or exposed to the sun, the contents heat up and the container swells, due to the increase in internal pressure, quando instead we place the same container in the refrigerator, with the lowest temperature it deforms inwards, since its interior goes into depression and the higher external pressure crushes and deforms it.

[0023] Natural ventilation is achieved with the use of a single device, or with multiple devices. With a single device there is a slow exchange of air, depending on the environment if it is in overpressure, or in depression.

[0024] If we use several devices inserted in the external walls or between the dividing walls of different rooms, inserted in support pipes that cross the walls, partly at the bottom and partly at the top, exploiting the thermal difference between the floor and the ceiling or the thermal difference between the environments exposed to the sun and the rooms in the shade of different and perhaps opposed rooms, the certain result is to create a slow circulation of air, or air current, between the outside and the inside, effectively realizing in this way a perfect natural ventilation filtered and free of chemical and acoustic pollutants coming from the outside and to the inside and from the inside to the outside, and also filtering the air that comes out from the inside to the outside.

[0025] Summer when the temperatures outside are much warmer during the day and colder at night, and at night with the cooler outside temperatures, with less humidity and therefore with a higher atmospheric pressure a circulation of air is created from the outside to the inside, with the fresh air outside entering from below refreshing and airing the environment and warm air comes out from above practically without opening the windows and being eaten by mosquitoes.

[0026] During the day, however, the opposite happens, and with the increase in temperature and higher humidity, the indoor environments, however cooler than the outside, go in over-pressure and push outside from the device, positioned at the top towards the ceiling, the warmer air present in the environment, recalling from the devices below, air from the cooler shaded areas from outside the house.

[0027] This continuous circulation of air that takes place day and night, is able to stabilize an average temperature inside the pleasant house made in a natural way, without expenditure of electricity.

[0028] The device also has the characteristic of thermally and acoustically insulating the internal environment from the external environment. [0029] The above characteristic is part of the intrinsic characteristics of the filter material used, the "activated carbon" depicted in Fig. 16 (9) and better highlighted in Fig. 9 (9), as if it were a block, is actually granular activated carbon.

[0030] Activated carbon can be natural or mineral, and can be impregnated with chemicals aimed at breaking down local gases and specific pollutants or mixed with other useful elements, copper, silver etc., to eliminate bacteria and viruses, all according to the needs of the user.

[0031] One of the characteristics of activated carbon is to thermally and acoustically separate indoor environments from external noises and filter the internal and external environments of homes, warehouses, operating rooms of hospitals, cars, between different rooms etc, from any type of foul-smelling pollutant, fine dust, dioxins, bacteria, viruses, etc., in both directions, but allows the passage of air even with a minimum differential of atmospheric pressure.

[0032] Conversely, in the case of strong wind and therefore higher differential pressure, activated carbon offers a lot of resistance to the passage of air, and the flow of air inwards always remains very slow and constant.

[0033] These particular characteristics of activated carbons make it the filter element par excellence but in any case it is also possible to use other filter materials suitable for achieving the same purpose.

[0034] Another important feature of the device is that all the materials used withstand high temperatures including O-rings.

[0035] This allows during the necessary periodic cleaning, an immediate sanitization of the elements that compose it, putting the device, for example in a container of boiling water, which kills any bacteria or viruses, and in order to dissolve any dirt and grease accumulated in the device and also allow a sanitization and sanitization in complete hygienic safety of the device.

[0036] Copper and its alloys are characterized by the fact that they are notoriously a natural antimicrobial and antibacterial material and the filtering metal sponges used are made of copper or copper alloys, and this material has the characteristic of returning as new simply by placing it in a container with a little vinegar and salt.

[0037] For a quick subsequent drying at high temperature, you can use a very common domestic oven bringing it up to 250 degrees or simply put them to dry in the sun clean and sanitized at high temperature, it can be perpetually reused.

List of Figures and details of the components of the device

[0038] The claims describe preferred variants of the invention and form an integral part of this description.

[0039] The present invention is represented in Fig. from Pag. 1/4 in Pag. 4/4, in the list of figures, from Fig. 1 , to Fig. 20, comprising:

[0040] Fig. 1 (2) shows a sponge made of copper or copper wire and its alloys or other metal or plastic material resistant to high temperatures and suitable for filtering dust and various dirt present in the air, and later simply called "sponge" and this sponge is also characterized by the fact of being a natural antibacterial and antimicrobial filter material, and resistant to high temperatures, to be able to clean and sanitize them.

[0041] Fig. 2 (3) shows a counter cap of material resistant to high temperatures, plastic or metal that includes holes Fig. 2 (29) for the passage of air and these holes are characterized by the fact that they are of the same size as the holes of the multifunctional cap of Fig. 6 (24) and this counter cap also includes two pins Fig. 2 (28,28a) suitable for inserting them into the holes of the coupling support of Fig. 3 (20,20a).

[0042] Fig. 3 shows a coupling support (1 ) of plasticor metal material resistant to high temperatures, and comprising two external threads in Fig. 3 (15,17) of which a shorter Fig. 3 (15) and a longer Fig. 3 (17) and separated by a seat Fig. 3 (16) suitable to contain inside a sealing 0-ring of Fig. 5 (5) and also including holes in Fig. 3 (19) for the passage of air and further including two holes in Fig. 3 (20,20a) suitable to insert inside them respectively the two pins of Fig. 2 (28,28a) of the counter cap of Fig. 2 (3) to close inside the recess of Fig. 3 (18) the filter sponge of Fig. 1 (2) and said holes Fig. 3 (20,20a) are also a useful and easy grip to screw and unscrew the thread Fig. 16 (15) of the supporter coupling of Fig. 16 (1 ) fromthe thread a of Fig. 16 (7) of the tubular container of Fig. 16 (10) and respectively the thread of Fig. 16 (15a) from the thread of Fig. 16 (8) of the tubular container of Fig. 16 (10), of the activated carbons of Fig. 16 (9).

[0043] Fig. 4 (4) shows an O-ring of adequate section and width with a central hole Fig. (4b) suitable to be inserted in one of the seats of Fig. 6 (26,27) of the multifunctional cap of Fig. 6 and better evident in Fig. 7 (26,27).

[0044] Fig. 5 (5) shows an O-ring of suitable section and width with a central hole in Fig. 5 (5b) suitable to be inserted into the seat of the coupling support in Fig. 3 (16) and better evident in Fig. 7 (16).

[0045] All the O-rings are characterized by the fact of being made with a silicone material at alta temperatura and all have the same external diameter slightly higher than the internal diameter of the support tube of Fig. 16 (11 ) to put pressure on the walls and suitable to make an excellent seal.

[0046] Fig. 6 (6) shows a multifunctional cap of circular shape made of plastic or metal material and resistant to high temperatures that includes an extruded depicted in Fig. 6 (21 ) and an extruded depicted in Fig. 6 (22), and which together form between them a seat visible in Fig. 6 (23) suitable to be a useful accommodation for the closure of the multifunctional cap of Fig. 6 (6) in batting in Fig. 16 (11 a) on the support tube of Fig. 16 (11 ).

[0047] The multifunctional cap in Fig. 6 (6) also shows holes in Fig. 6 (24) for the passage of air and said holes characterized by the fact of being of the same shape and size as the holes (29) of the counter cap (3) and in axis with each other, and also includes and highlights dto the inner part of the extruded fig. 6 (22), a thread in Fig. 6 (25) which is used to be coupled to the long thread visible, in the section of the mounted device, in Fig. 16 (17) of the coupling support of Fig. 16 (1 ) and better visible and highlighted in Fig. 3 (17), and in the exploded section of Fig. 7 (17), and in the compact section of Fig. 8 (17) of the coupling support.

[0048] In Fig. 6 (26) and in Fig. 6 (27), the seats on the outside of the extrusion of Fig. 6 (22), of the multifunctional cap of Fig. 6 (6), are well highlighted, better evident in the exploded section of Fig. 7 (26) and Fig. 7 (27), where there are two accommodation locations, respectively for the o-rings of Fig. 7 (4) and Fig. 7 (4a), better described in the compact assembly section of Fig. 8 (4) and Fig. 8 (4a) and evident in the section of the device in Fig. 16 (4) and Fig. 16 (4th). Example by way of exhaustive but not limited to.

[0049] Fig. 7 shows an exploded section of the components included and described above from Fig. 1 to Fig. 6.

[0050] Fig. 8 shows a compact image in section of the components included and described above from Fig. 1 to Fig. 6.

[0051] Fig. 9 (9) shows filtering granular activated carbon or other granular filter material with similar characteristics.

[0052] Fig. 10 (10) shows a tubular container of circular plastic or metal shape defined later simply as "tubular" with the characteristic of being resistant to high temperatures and of length, section and diameter suitable for various uses and suitable for containing within it the granular activated carbon of Fig. 9 (9) or other filtering material, and said tubular includes on the two inner sides, on the one hand in Fig.10 (10a) the thread of Fig. 10 (7) and on the other side of Fig. 10 (10b) the thread of Fig. 10 (8).

[0053] The Fig. 11 (11 ) shows a plastic or metal support tubular defined hereinafter simply as "tube" and of length, section and diameter suitable for various uses and suitable for containing inside the device of Fig. 14 (14) and said tube highlights an edge in Fig. 11 (11 a) that comes out outside the inner wall in Fig. 17 (34a) and an edge Fig. 11 (11 b) that comes out outside the wall in Fig. (34b) it is able to support inside the ventilation device of Fig. 14 (14) and better visible in Fig. 16 (11 ) and Fig. 17 (11 ) visible in its external configuration of example.

[0054] The tube as shown in Fig. 17 (11 ) is inserted into the wall as depicted in Fig. 17 (34) during its construction or subsequently and is designed to support and contain the device inside as shown in Fig. 17 (14) and connects the inside with the outside.

[0055] Fig. 12 shows a curved tubular of plastic or metal material that includes at its ends in Fig. 12 (12a) and in Fig. 12 (12b) two internal threads in Fig. 12 (32) on one side and in Fig. 12 (32a) on the other side.

[0056] Fig. 13 (13) shows an additional fixed perforated cap of plastic or metal material including holes in Fig. 13 (30) for the passage of air and suitable for obstructing the passage to flies, mosquitoes and various insects from the outside and further includes an extruded of Fig. 13 (31 ) of section and diameter adequate to be inserted inside the tube in Fig. 11 (1 1 ) and close it in batting on the edges of Fig. 11 (11 b).

[0057] The fixed perforated cap in Fig. 13 (13) suitable for closing the support tube of Fig. 11 (11 ), is an alternative to the multifunctional cap of Fig. 6 (6a), and is used in the event that after drilling the hole inthe wall ofFig. 17 (34) it cannot be accessed from the outside to insert it into the wall from the outer side of Fig. 17 (34b) for insert said multifunctional cap of Fig. 6 (6a).

[0058] The fixed perforated cap of Fig. 13 (13), also includes an extrusion Fig. 13 (31 ), of the same internal diameter, of the support tube of Fig. 11 (11 ), and also includes an edge in Fig. 13 (31 a) of the same external diameter as the pipe of Fig. 11 (11 ) on which it closes in batting on the end of Fig. 11 (11 b).

[0059] The fixed perforated cap of Fig. 13 (13) is previously inserted inside the tube of Fig. 11 (11 ), and locked with glue or hot or cold welded by closing the pipe. Example by way of exhaustive but not limited to.

[0060] Fig. 14 (14) shows the natural aeration device in its preferential configuration visible externally characterized by includingthe multifunctional cap in Fig. 14 (6), the O-rings in Fig. 14 (4, 4a, 5, 5a), the tubular in Fig. 14 (10), the coupling support in Fig. 14 (1 a) with the external thread in Fig. 14 (17a) and which thread can remain free as in Fig. 17 (1 a) or be connected for further functionality.

[0061] Fig. 15 shows in Fig. 15 (14) another preferential way of connecting the filtering device of natural aeration to the outside which through the thread of Fig. 15 (17a) of the coupling support of Fig. 15 (1 a) is screwed to the internal thread Fig. 15 (32) of the curved tubular of Fig. 15 (12) and better visible in Fig. 12 (32) and dettor curved tubular of Fig. 12 (12) crosses the wall of Fig. 15 (34) and is closed in the outer part of the wall of Fig. 15 (34b) on the curved tubular of Fig. 15 (12b) by the fixed perforated outer cap of Fig. 15 (13) and better evident in Fig. 13 (13). Example by way of exhaustive but not limited to.

[0062] Fig. 16 represents a detailed section of the device and is the basic reference of the description of its operation, which proposesand describes a preferential variant of mounting the device represented in Fig. 16 (14) and Fig. 17 (14), and better highlighted in Fig. 14 (14). Example by way of exhaustive but not limited to.

[0063] Fig. 16 shows in section all the details of the components of the device and shows in Fig. 16 (6), a multifunctional cap that closes the device.

[0064] The multifunctional cap by Fig. 16 (6) includes holes visible in Fig. 16 (24) and better visible in Fig. 6 (24) for the passage of air in both directions and also includes an extruded in Fig. 16 (21 ), and an extruded in Fig. 16 (22), which form between them, the seat of Fig. 16 (23) and better visible in Fig. 6 (23).

[0065] The seat of Fig. 16 (23) of the multifunctional cap of Fig. 16 (6) becomes a useful accommodation for the batting closure of the tube of Fig. 16 (11 ) at its end point of Fig. 16 (1 1a) and its perfect insertion allows the multifunctional cap of Fig. 16 (6), and the tube of Fig. 16 (11 ) to fit slightly remaining stuck in the position.

[0066] In the thrust inside the tube of Fig. 16 (11 ) of the device of Fig. 16 (14), the multifunctional cap of Fig. 16 (6) rests onthe end ofthe pipe in Fig. 17 (11 a) which being very close to the wall of Fig. 17 (34a) hides the tubular , leaving visible on the outside only the multifunctional cap of Fig. 17 (6). Example by way of exhaustive but not limited to.

[0067] La Fig. 16 (25) shows a thread better visible inthe exploded section Fig. 7 (25), of the multifunctional cap of Fig. 16 (6), and this thread is screwed to the thread of Fig. 16 (17) and better visible in Fig. 7 (17), of the coupling support of Fig. 16 (1 ) and better visible in Fig. 7 (1 ), closing on the counter cap of Fig. 16 (3) and better visible in Fig. 7 (3).

[0068] Said against cap of Fig. 16 (3) closes inside the recess, of Fig. 16 (18), and better visible in Fig. 7 (18) the copper metal sponge of Fig. 16 (2) and better visible in Fig. 7 (2).

[0069] The counter cap in Fig. 16 (3) is better visible in Fig. 2 (3) with the insertion of its pins of Fig. 2 (28, 28a) inthe holes of the coupling support of Fig. 3 (20, 20a) closes and blocks the various components as is well evidenced in the overall coupling, in the compact section of Fig. 8, where the multifunctional cap in Fig. 8 (6), the coupling support in Fig. 8 (1 ), are highlighted, the counter cap in Fig. 8 (3), the recess of Fig. 8 (18) seat of the copper sponge in Fig. 8 (2).

[0070] The short thread of Fig. 16 (15) of the coupling support of Fig. 16 (1 ) and better evident in Fig. 3 (15) is screwed to the thread of Fig. 16 (7) of the container tube of Fig. 16 (10) and better evident in Fig. 10 (7) and the short thread of Fig. 16 (15a) of the coupling support of Fig. 16 (1 a) is screwed to the thread of Fig. 16 (8) better evident in Fig. 10 (8) of the tubular of Fig. 16 (10) and said tubular is screwed to the thread of Fig. 16 (8) suitable to contain granular activated carbons Fig. 16 (9) and better highlighted in Fig. 9 (9) closing and structurally completing the device.

[0071] The counter coupling cap in Fig. 2 (29), has holes for the passage of air, while in Fig. 2 (28) and Fig. 2 (28a) there are two connection pins which are inserted respectively in the holes of the coupling support, fig. 3 (20) and fig. 3 (20a), realizes the block between the two bodies, and prevents its rotation.

[0072] The holes of the counter cap of Fig. 2 (29), are characterized bythe fact that they are the same size as the holes of the multifunctional cap in Fig. 6 (24).

[0073] This connection system facilitates its extraction from the holes, and facilitates the removal of the sponge, from the recess of the coupling support of Fig. 3 (18), for its cleaning.

[0074] The internal thread, 16 (25) of the multifunctional cap of Fig. 16 (6), screws onto the thread of Fig. 16 (17) of the coupling support of Fig. 16 (1 ), to obtain the closure of the device, completing the assembly and making the device compact.

[0075] The multifunctional cap of Fig. 16 (6) can therefore be screwed or unscrewed on the coupling support of Fig. 16 (17) and its rotation allows to adjust the air flows, simply by placing its holes, of Fig. 16 (24), in axis or off axis, with the holes of the counter cap of Fig. 16 (29), freeing or obstructing them partially or totally, thusmanually adjusting the flussor air.

[0076] The characteristic that the incoming air flows take place normally and notoriously from the devices positioned at the bottom, closer to the floor, usually cooler, and come out of the devices positioned at the top, notoriously warmer allows you to easily adjust the air flows, from the devices positioned at the bottom, which are easily accessible.

[0077] In this way you can adjust a very precise environmental aeration, according to your needs, the temperature and pressure gradient, the strength of the winds, the particular climatic characteristics of the territory, the quantity of devices mounted and the arrangement of the same.

[0078] Fig. 16 also highlights holes in Fig. 16 (19) and Fig. 16 (19a) present on the coupling support of Fig. 16 (1 ) and Fig. 16 (1 a) of suitable size and suitable for blocking inside the tubular ofFig. 16 (10) the granular activated carbon of Fig. 16 (9) and these holes serve to pass the air in both directions.

[0079] Fig. 16 (18) and Fig. 16 (18a) also show a recess suitable for containing inside a sponge of copper or copper wire and its alloys visible in Fig. 16 (2) and Fig. 16 (2a) and the sponge of Fig. 16 (2) is closed inside the recess of Fig. 16 (18) by the counter cap of Fig. 16 (3) and said against the cap of Fig. 16 (3) includes holes in Fig. 16 ( 29) and better visible in Fig. 2 (29) for the passage of air and also includes two pins in Fig. 2 (28.28a) to insert them into the two holes of the coupling support of Fig. 16 (1 ) visible in Fig. 3 (20.20a).

[0080] In Fig. 16 (4), and in Fig. 16 (4a), the o-rings inserted in the seats of the multifunctional cap of Fig. 16 (6), of the device are indicated.

[0081] In Fig. 16 (5) and Fig. 16 (5a), the O-rings included in the locations of Fig. 16 (16) and Fig. 16 (16a), of the two coupling supports of Fig. 16 (1 ) and Fig. 16 (1a). Example by way of exhaustive but not limited to.

[0082] In the exploded section of Fig. 7 (1 ) the coupling support also highlights two threads, one short, Fig. 7 (15) and one longer, Fig. 7 (17), and also highlighted respectively in Fig. 16 (15) and Fig. 16 (17).

[0083] The multifunctional cap in Fig. 16 (6) shows an extruded visible in Fig. 16 (22) and better visible in Fig. 6 (22) where in the inner part shows the thread of Fig. 16 (25), and better evident in Fig. 6 (25) which is screwed onto the outer thread of Fig. 16 (17) and better visible in Fig. 7 (17) of the coupling support of Fig. 16 (1 ) and better visible in Fig. 7 (1 ) completes the assembly of the device making it compact in this way. Example by way of exhaustive but not limited to.

[0084] The multifunctional cap of Fig. 16 (6a) shows holes in Fig. 16 (24a) and closes the support tube of Fig. 16 (11 ) from the outside on the end points Fig. 16 (11b) by passing air, but blocks the entry of midges, mosquitoes and various insects.

[0085] The thread of the coupling support of Fig. 16 (17a), on the other hand, is free and can be used in other useful applications, for example in cars for filtering and internal ventilation of the passenger compartment or by connecting a bidirectional aspirator to accelerate the exchange of air in homes or in other ways of mounting the device. Example by way of exhaustive but not limited to.

[0086] In the assembly and insertion phase of the pipe of Fig. 17 (11 ) and in the case that this insertion may be subsequent to the construction of the wall of Fig. 17 (34), if to drill the hole it is not possible to make it from the outside the tube Fig. 17 (11 ) is already accompanied by the cap of Fig. 13 (31 ) which closes directly in batting on the edge of the support tube of Fig. 17 (11 b) being able to insert in this way easily the support tube of Fig. 11 (11 ) in the hole drilled in the wall by Fig. 17 (34).

[0087] The Fig. 14 (14), shows an external view of an assembly of an aeration device complete with all its parts. Example by way of exhaustive but not limited to.

[0088] Fig. 15, highlights and describes one of the preferential variants of use of the device, and Fig. 15 (14), shows that the thread of Fig. 15 (17a) of the coupling support of Fig. 15 (1a), is screwed to the thread of Fig. 15 (32), of the curved tubular or highlighted in Fig. 12 (32), and that it comes out outside Di Fig. 15 (34b) through the wall of Fig. 15 (34) and in this way the device can be removed by simple unscrewing, and easily screwed back on after cleaning and maintenance operations. Example by way of exhaustive but not limited to.

[0089] Fig. 17, in one of the mounting variants, depicts the device of Fig. 14 (14) visible as a whole inserted in a support tube Fig. 17 (11 ) and said support pipe is inserted into the wall of Fig. 17 (34).

[0090] The support tube of Fig. 17 (11 ) can be used from the outside to the wall of Fig. 17 (34b), with the removable multifunctional cap of Fig. 17 (6), or alternatively with the fixed perforated cap, better described in Fig. 13 (13), and visible in section in Fig. 20 (13) and said fixed perforated cap has holes in Fig. 20 (30) andd is pressurized or glued by means of the extruded section of the cap visible in Fig. 20 (31 ) on the edges in Fig. 20 (11 b) of the tube of Fig. 20 (11 ).

[0091] As shown in Fig. 17 (1 1 ) thesupport tube has the same shape as the tubular of Fig. 17 (10), but a diameter suitablefor sliding inside the natural aeration device of Fig. 17 (14), with the guide guaranteed by the o-rings of Fig. 17 (5.5a), which are inserted inside the seats of Fig. 16 (16.16a), of the coupling supports of Fig. 16 (1 , 1 a), and together with the O-rings of Fig. 16 (4,4a), inserted in the seats of Fig. 16 (26,27), of the multifunctional closing cap of Fig. 16 (6), and better highlighted in Fig. 6 (26,27), it guarantees airtightness in both directions.

[0092] The o-rings as they are positioned, form watertight chambers separated between the two tubes and in addition to blocking the passage of air, the o-ring of Fig. 17 (5a) also acts as a guide in the centering of the device of Fig. 17 (14) during its insertion into the support tube of Fig. 17 (11 ).

[0093] The sealing O-rings also exert pressure on the inner walls in Fig. 17 (11 d) of the support tube of Fig. 17 (1 1 ), making hermetic to the air flows coming from outside the wall Fig. 17 (34b) or from the inside of the wall Fig. 17 (34) the free space of Fig. 17 (11 c) between the inner wall of Fig. 17 (11 d) of the support tube of Fig. 17 (11 ) and the paretand external wall of Fig. 17 (11 e) of the tubular of Fig. 17 (10) of the device of Fig. 17 (14).

[0094] The compactness of the device of Fig. 17 (14) makes its insertion and its extraction from the tube of Fig. 17 (11 ) very easy and safe.

[0095] La Fig. 18 18 (10) depicts a round tubular with two threadsand laterali internand of which one in Fig. 18 (8a) and one Fig. 18 (7a) and also depicts the edges of the round tubular in Fig. 18 (10b) and Fig. 18 (10a) and highlights inside the round tubular of Fig. 18 (10c) a vacuum cleaner in Fig. 18 (35), with the direction of aspirations (A) in Fig. 18 (35a) and with the direction (B) in Fig. 18 (35b).

[0096] Fig. 19 shows a variant of the use of the tube in Fig. 19 (11 ) where a multifunctional cap is depicted in Fig. 19 (6a) that closes the tube in Fig. 19 (11 b) and highlights on the coupling support of Fig. 19 (1 b) the thread of Fig. 19 (15a), which is screwed on the thread of Fig. 19 (8a) of a tubular in Fig. 19 (10c) where it shows inside it in Fig. 19 (35) a common electric aspirator, which depending on the direction of suction and for example in the direction (B) as in Fig. 19 (35b) the thread of Fig. 19 (8a) is threaded on the thread of Fig. 19 (15a), and in the reverse case, and in the direction (A) of Fig. 19 (35a) instead it is the thread of 19 (7a) that is connected to the thread of Fig. 19 (15a) thus reversing the direction of the intake air flow. Example by way of exhaustive but not limited to.

[0097] This mounting variant leaves separate, independent, free and unaltered the principle of operation of the device of Fig. 19 (14) from the tubular of Fig. 19 (10c) inside the tube of Fig. 19 (11 ) which concerns the natural aeration device, which however remains together with the optional aspirator of Fig. 18 (35) inserted in the tubular of Fig. 19 (10c) as well as being a filter device of natural aeration, can occasionally also turn into a filtering device of aeration and controlled mechanical ventilation in which it is also possible to change the direction of suction, from the outside to the inside and from the inside to the outside, thus creating any type of environmental ventilation configuration required.

[0098] The insertion of the bidirectional aspirator does not change any of the functional characteristics of the device of Fig. 14 (14) but instead adds the possibility in case of need to activate the electric aspirator to further accelerate the exchange of air which would in any case be filtered, odor-free, and without of bacteria and viruses present in the external or internal environment depending on the direction of aspiration. Example by way of exhaustive but not limited to.

[0099] The invention can be modified maintaining the inventive concept that underlies it, being able to replace every detail with another technically equivalent.