CA1285170C - Method for arranging of ventilation of building and structure for applying of the method - Google Patents
Method for arranging of ventilation of building and structure for applying of the methodInfo
- Publication number
- CA1285170C CA1285170C CA000513106A CA513106A CA1285170C CA 1285170 C CA1285170 C CA 1285170C CA 000513106 A CA000513106 A CA 000513106A CA 513106 A CA513106 A CA 513106A CA 1285170 C CA1285170 C CA 1285170C
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- air
- wall
- building
- directing
- materials
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Abstract
Abstract:
Method and apparatus for ventilating a building, in the rooms of which building there is induced a pressure that is different from the outside pressure. Air on one side of the wall of the building is led through openings in the external surface of the wall to the other side of the wall through air permeable insulation materials which are disposed in the wall and is directed by essentially impermeable directing materials which are placed in the wall.
Method and apparatus for ventilating a building, in the rooms of which building there is induced a pressure that is different from the outside pressure. Air on one side of the wall of the building is led through openings in the external surface of the wall to the other side of the wall through air permeable insulation materials which are disposed in the wall and is directed by essentially impermeable directing materials which are placed in the wall.
Description
7(~
Me-thod Eor arranging of ventilatio_ of building and structure Eor applying of the method The present invention relates to a method and apparatus Eor ventilating a buildingO More particularly, the present invention relates to a method and apparatus for ventilating a building wherein a pressure that is different than the outside pressure is induced in certain rooms of the building.
In most of the buildings in use today, it is a problem to secure ventilation of the buildings under all circumstances. Particularly, in buildings to be heated the quality and quantity of the replacing air and the distribution of the replacing air into different rooms is often poor. In air-conditioned buildings, where the air is cooled off, such as in warm conditions, the problems are the disadvantages caused by humidification of constructions and the arranging of the ventilation in a reliable way. When endeavouring to heat the replacing air brought in from the outside, advantage is~not sufficiently taken of the energy contained in the walls.
When using mechanical air-conditioning apparatuses air from the inside of the building is continuously~removed and replacing air is brought inside. The replacing air must be either hea~ed or cooled off 9 depending on the circum-stances, prior to introducing it into the room spaces, and .
:
: . ' . ` ' , ` - ~ ` ' ' , . ' ' 7~
into the inlet channels for the replacing air. DiEferent kinds oE set-ups are arranged Eor these purposes.
Similarly, air Erom the room spaces must be removed with the help of different kinds of equipmen-~. These types of tube networks, channels made for the leading of the air, and the cleaning, cooling or heating apparatuses are expensive and bulky; and their mounting, cleaning and maintenance requires much time and costs. ~dditionally, the heat energy contained in the interspace between ~lle ceiling and the rGof is not sufEiciently taken advantage of Eor heating the replacing air. One problem is also the costs arising from the air-conditioning operation when using mechanical air-conditioning Eor bringing-in and removing the air.
It is an object of the present Invention to bring about a method for arranging the ventilation oE a building, by which method some above-mentioned disadvantages of tHe present methods are eliminated. In particular, it is an object of the present invention to bring forth a method, having no expensive tube systems and/or channels for trans-port of either replacing or exhaust air. Additionally, it is an object of the present invention to bring forward a method which is easy to use and dependable in operation.
Further an object of the present inven~ion is to bring about a structure that is favourable to produce and the air-conditioning of which works efficiently and reliably.
~ccording to the invention, air under higher pressure is led from one side to the other side of the wall mainly through the air permeable insulating materials o~ the wall and is directed by means of directing materials, ~hich are essentially less air permeable compared with the insulation materials in the wall. When there is an under pressure in the room space the air flows through the wall from the outside indoors. Coorespondingly, if there is a positive -~ pressure in the room space, the flowing direction is from ~ the indoors out.
t-~0 When endeavouxing to heat the buldings, the replacing air must be heated before leading it into the room space.
In the method according to the present invention the replacing air is led through the wall, when an under pressure is induced in the room space. EIereby the replacing air is at the same time heated by the heat energy contained in the wall of the building. The air is led through an opening formed in the outer wall of the building and is directed by the insulation materials indoors. When using the method of the present invention no particular replacing air channels or heat exchangers are required, because the wall of the building is functioning both as an air channel and as a heat exchanger. During the heating season the replacing air is taken mainly through the walls, but during the warm period, e.g. in the summer, the replacing air can be taken in by other manners as well, for instance through windows and ventilation gates. Suitable thermal insulation materials may be used, which at the same time function as puriEiers and filters ~or the replacing air.
Under hot circumstances and for special purposes, Eor instance in refrigerated warehouses or the like, the indoor temperature is endeavoured to be kept lower than the outdoor temperature. When the pressure in the interior ~5 spaces of the building is higher than the pressure outdoors, air will escape from the interior space ou~
through the walls of the building as directed by the directing materials. No separate exhaust channels are required ~or this purpose and at the same time problems arising Erom humidification are prevented.
With the invention, a simple and eficient air circu ation system is achieved, wherein the replacing air is circulated within the materiaIs of the walls of the building un~il it is suf~iciently heated and is thereafter directed into the interior spaces. Correspondingly, during the cooling of the building the exhaust air is circulated within the materials of the walls, whereat the air is heated and the wall is cooled of, until the air is led out.
:. ,' ' ' :
.
.
3~'70 With the help of the directing materials and the air circulation in the part of the heat energy penetrating through the walls oE the bulding is recovered during heating and the convection flowing occurring in the walls is prevented. Correspondingly during cooling the wall is cooled off with air coming from the interior spaces.
Materials suitable for use as directing material are known, such as for instance plastic, fibreboard, glue layers or the like. The directing material is essentially less air permeable than the insulation material, and holes may be formed thereln to change its air permeability properties. The directing material can be chosen from either partly air permeable material or in some applications totally air impermeable material is used.
In one advantageous embodiment, in which in the room spaces is or into there is induced an under pressure, the replacing air is taken mainly through the outer wall of the building inside the wall, is circulatea within the interior parts of the wall and is led into the room space mainly from the upper part of the room space. In this way, the air is heated during its circulation, but is, however, cooler than the air of the room and it is efficiently mixed with the air of the room. In another embodiment the replacing air is mainly taken in from the lower part of the wall of the building into the wall, is circulated in the interior parts of the wall and led into the room space from its upper part. In t'nis way, the air is directed upwardly when warming up and into the inside of the building as a consequence of the under pressure~
In the room space it causes circulation and exchange of the air.
In yet another the replacing air is taken mainly from the upper part of the wall of the building into the inside of the wall, is circulated in the inner parts of the wall and is led in the room space mainly from the upper parts ~ ~35~'~0 of the room space. In this wa~, the cold replacing air is directed first downwards and at a certain spot upwards inside the wall, whereat an ef~icient heat transEer from the wall into the replacing air is achieved.
In another embodiment of the present invention, the replacing air is taken both from the upper part and the lower part of the wall, and possibly also rom the middle part, into the interior of the wall, is circulated in the inner parts of the wall and is led into the room space mainly from the upper part of the room space. In this way, the whole wall can be efficiently talcen advantage of as an air-conditioning channel as well as a heat exchanger. In this and in the other applications the replacing air can at least partly be directed to the room space of the buildiny from other spots than from the uppermost part of the room space, but the best result is achieved by leading the replacing air into the upper part of the room space.
In the method of the present invention, the heat in the interspace between the ceiling and the roof is taken advantage of by leading the replacement air into these spaces and Erom there to the room spaces through the air permeable thermal insulation materials placed in the ceiling. The temperature of these spaces can be S-10C
higher than the outdoor temperature during the winter and with the method this additional heat energy can be talcen advan-tage o~.
In the favourable application o~ the invention, in which in the room spaces is or into there is induced a positive pressure, the air is led from the room space into the inside o~ the wall, it is circulated within the inner of the wall and led out mainly from the lower part of the wall. Under this Icind of circumstances, where the temperature of the outdoor air is generally higher than the temperature in the room space, the air led out is cooling off the wall and at the same time becoming warmer.
' ' . ' .
Hence, the temperature of the wall is changing relatively evenly from the inside to the outside and the disadvantages caused by the humidification are prevented. In this appli-cation the air can be taken out from the room space through openings arranged in the wall sheathing.
In the method of the present invention, the air is taken into the inside of the wall mainly through openings arranged on the exterior or the interior surface of the wall. The exterior and interior surEaces are formed of directing material which is less air permeable than the insulation material and in some applications of totally impermeable material.
Suitable insulation material, w~lich is Eor instance thermal insulation material, filtrates impurities from the replacing air and also pre-humidifies the air, whereb~ the air is healthy and pleasant.
The present invention is explained in greater detail by referring to the attached drawings, in which FIGURE l depicts in the cross-section, the walls of a building for applying the ventila~ing method of the present invention.
FIGURE 2 depicts a second embodiment of a building wall in cross-section for performing a ventilating method according to the present invention.
FIGURE 3 depicts a third embodiment oE a building wall in cross-section for ventilating between rooms in a building.
FIGURE 4 depicts a fourth embodiment of a structure of walls according to the present invention~
Referring to Figure l, the walls 2 of a building according to a first embodiment of the present invention contain air permeable thermal insulation materials 3 and air directing materials 4, which are substantially less air permeable -than the insulation materials 3. The walls of the building are equipped mainly with air impermeable outer surfaces, in which are Eormed the openings 5a, 5b for intaking replacement air. The opening 5a is formed in the lower part of the wall and the opening 5b in the upper part of the wall. In this embodiment in the upper part of the wall is arranged to extend inwardly beneath the roof the directing material 4a, which directs air into the other space through opening Sb into a channel 7 which has an air permeable thermal insulation layer situated therein. No other air-conditioning openings are required to be provided for the attic spaces. Within the wall, a section of air directing material is disposed having an opening 5 Eormed in a central portion thereof. Additionally, the interior side o~ the wall and the interior ceiling are equipped with air impermeable material. An opening 5c is formed in an upper portion of the interior side of the wall. The ceiling is provided with air permeable thermal insulation material. In one embodiment of the present invention, openings may be provided in the directing material which lines the interior ceiling to allow air ~rom the attic space to flow into the room space 1.
In the room space 1 of the building, an under pressure may be induced by mechanical means such as a blower. The replacing air is taken in through the walls, specifically through the openings 5a and 5b. The air, which has come through the lower opening 5a, circulates through the open-ing 5 to the upper part of the wall and through the opening 5c into the room space 1. The air which has come through the upper opening circulates via the channel 7 within the attic space 6, passes through the thermal insulation layer of the wall and through the opening 5 to the interior parts of the wall and into the room space through the opening 5co ; In this way, the air can be direc-ted in the wished manner hy means of the directing materials and be led into the room space for instance through the base of an illuminator, whereby the heat from the illuminator also heats the incomlng air.
. .
3 r~ J~
In Figure 2, a second embodiment oE the present inven-tion is illustrated, wherein outside air is taken in solely through the opening 5b in the upper part of the wall. The directing material is in this embodiment arranged to extend from the upper part oE the wall close to the lower part of the wall, whereat the air is circulated efficiently in the structures of the ~7all.
In the emhodiment illustrated in Figure 3 the replacing air is brought in solely through the opening 5a in the lower part of the wall. Several directing material sheets are disposed within the wall Eor circulating the air inside the wall.
In the embodiment illustrated in Figure 4, the directing material is placed relatively close to the inner face of the wall. In this way, the space between the external surface of the wall and the directing material can be filled with material that is less air permeable or insula-tion material which can act as an insulation layer.
Also the air coming from the attic space is circulated in the interior ceiling and in the wall as directed by the directing materials, as shown in Figure 4.
In all of the disclosed embodiments, air will flow from the room space 1 outwardly through the passages defined by the directing materials in the opposite ; 25 direction from that described above.
It should be understood that the invention is not limited to the disclosed embodiments but it can vary within the scope of the appended cla;ms. The method is suitable for use while renovating old buildings, as well as in building new ones. The form and the position of the directing sheets in the walls can vary according to the desired air flow pattern. In certain applicatons only a part of the wall is made use of when taking in the replacing air.
.~
Me-thod Eor arranging of ventilatio_ of building and structure Eor applying of the method The present invention relates to a method and apparatus Eor ventilating a buildingO More particularly, the present invention relates to a method and apparatus for ventilating a building wherein a pressure that is different than the outside pressure is induced in certain rooms of the building.
In most of the buildings in use today, it is a problem to secure ventilation of the buildings under all circumstances. Particularly, in buildings to be heated the quality and quantity of the replacing air and the distribution of the replacing air into different rooms is often poor. In air-conditioned buildings, where the air is cooled off, such as in warm conditions, the problems are the disadvantages caused by humidification of constructions and the arranging of the ventilation in a reliable way. When endeavouring to heat the replacing air brought in from the outside, advantage is~not sufficiently taken of the energy contained in the walls.
When using mechanical air-conditioning apparatuses air from the inside of the building is continuously~removed and replacing air is brought inside. The replacing air must be either hea~ed or cooled off 9 depending on the circum-stances, prior to introducing it into the room spaces, and .
:
: . ' . ` ' , ` - ~ ` ' ' , . ' ' 7~
into the inlet channels for the replacing air. DiEferent kinds oE set-ups are arranged Eor these purposes.
Similarly, air Erom the room spaces must be removed with the help of different kinds of equipmen-~. These types of tube networks, channels made for the leading of the air, and the cleaning, cooling or heating apparatuses are expensive and bulky; and their mounting, cleaning and maintenance requires much time and costs. ~dditionally, the heat energy contained in the interspace between ~lle ceiling and the rGof is not sufEiciently taken advantage of Eor heating the replacing air. One problem is also the costs arising from the air-conditioning operation when using mechanical air-conditioning Eor bringing-in and removing the air.
It is an object of the present Invention to bring about a method for arranging the ventilation oE a building, by which method some above-mentioned disadvantages of tHe present methods are eliminated. In particular, it is an object of the present invention to bring forth a method, having no expensive tube systems and/or channels for trans-port of either replacing or exhaust air. Additionally, it is an object of the present invention to bring forward a method which is easy to use and dependable in operation.
Further an object of the present inven~ion is to bring about a structure that is favourable to produce and the air-conditioning of which works efficiently and reliably.
~ccording to the invention, air under higher pressure is led from one side to the other side of the wall mainly through the air permeable insulating materials o~ the wall and is directed by means of directing materials, ~hich are essentially less air permeable compared with the insulation materials in the wall. When there is an under pressure in the room space the air flows through the wall from the outside indoors. Coorespondingly, if there is a positive -~ pressure in the room space, the flowing direction is from ~ the indoors out.
t-~0 When endeavouxing to heat the buldings, the replacing air must be heated before leading it into the room space.
In the method according to the present invention the replacing air is led through the wall, when an under pressure is induced in the room space. EIereby the replacing air is at the same time heated by the heat energy contained in the wall of the building. The air is led through an opening formed in the outer wall of the building and is directed by the insulation materials indoors. When using the method of the present invention no particular replacing air channels or heat exchangers are required, because the wall of the building is functioning both as an air channel and as a heat exchanger. During the heating season the replacing air is taken mainly through the walls, but during the warm period, e.g. in the summer, the replacing air can be taken in by other manners as well, for instance through windows and ventilation gates. Suitable thermal insulation materials may be used, which at the same time function as puriEiers and filters ~or the replacing air.
Under hot circumstances and for special purposes, Eor instance in refrigerated warehouses or the like, the indoor temperature is endeavoured to be kept lower than the outdoor temperature. When the pressure in the interior ~5 spaces of the building is higher than the pressure outdoors, air will escape from the interior space ou~
through the walls of the building as directed by the directing materials. No separate exhaust channels are required ~or this purpose and at the same time problems arising Erom humidification are prevented.
With the invention, a simple and eficient air circu ation system is achieved, wherein the replacing air is circulated within the materiaIs of the walls of the building un~il it is suf~iciently heated and is thereafter directed into the interior spaces. Correspondingly, during the cooling of the building the exhaust air is circulated within the materials of the walls, whereat the air is heated and the wall is cooled of, until the air is led out.
:. ,' ' ' :
.
.
3~'70 With the help of the directing materials and the air circulation in the part of the heat energy penetrating through the walls oE the bulding is recovered during heating and the convection flowing occurring in the walls is prevented. Correspondingly during cooling the wall is cooled off with air coming from the interior spaces.
Materials suitable for use as directing material are known, such as for instance plastic, fibreboard, glue layers or the like. The directing material is essentially less air permeable than the insulation material, and holes may be formed thereln to change its air permeability properties. The directing material can be chosen from either partly air permeable material or in some applications totally air impermeable material is used.
In one advantageous embodiment, in which in the room spaces is or into there is induced an under pressure, the replacing air is taken mainly through the outer wall of the building inside the wall, is circulatea within the interior parts of the wall and is led into the room space mainly from the upper part of the room space. In this way, the air is heated during its circulation, but is, however, cooler than the air of the room and it is efficiently mixed with the air of the room. In another embodiment the replacing air is mainly taken in from the lower part of the wall of the building into the wall, is circulated in the interior parts of the wall and led into the room space from its upper part. In t'nis way, the air is directed upwardly when warming up and into the inside of the building as a consequence of the under pressure~
In the room space it causes circulation and exchange of the air.
In yet another the replacing air is taken mainly from the upper part of the wall of the building into the inside of the wall, is circulated in the inner parts of the wall and is led in the room space mainly from the upper parts ~ ~35~'~0 of the room space. In this wa~, the cold replacing air is directed first downwards and at a certain spot upwards inside the wall, whereat an ef~icient heat transEer from the wall into the replacing air is achieved.
In another embodiment of the present invention, the replacing air is taken both from the upper part and the lower part of the wall, and possibly also rom the middle part, into the interior of the wall, is circulated in the inner parts of the wall and is led into the room space mainly from the upper part of the room space. In this way, the whole wall can be efficiently talcen advantage of as an air-conditioning channel as well as a heat exchanger. In this and in the other applications the replacing air can at least partly be directed to the room space of the buildiny from other spots than from the uppermost part of the room space, but the best result is achieved by leading the replacing air into the upper part of the room space.
In the method of the present invention, the heat in the interspace between the ceiling and the roof is taken advantage of by leading the replacement air into these spaces and Erom there to the room spaces through the air permeable thermal insulation materials placed in the ceiling. The temperature of these spaces can be S-10C
higher than the outdoor temperature during the winter and with the method this additional heat energy can be talcen advan-tage o~.
In the favourable application o~ the invention, in which in the room spaces is or into there is induced a positive pressure, the air is led from the room space into the inside o~ the wall, it is circulated within the inner of the wall and led out mainly from the lower part of the wall. Under this Icind of circumstances, where the temperature of the outdoor air is generally higher than the temperature in the room space, the air led out is cooling off the wall and at the same time becoming warmer.
' ' . ' .
Hence, the temperature of the wall is changing relatively evenly from the inside to the outside and the disadvantages caused by the humidification are prevented. In this appli-cation the air can be taken out from the room space through openings arranged in the wall sheathing.
In the method of the present invention, the air is taken into the inside of the wall mainly through openings arranged on the exterior or the interior surface of the wall. The exterior and interior surEaces are formed of directing material which is less air permeable than the insulation material and in some applications of totally impermeable material.
Suitable insulation material, w~lich is Eor instance thermal insulation material, filtrates impurities from the replacing air and also pre-humidifies the air, whereb~ the air is healthy and pleasant.
The present invention is explained in greater detail by referring to the attached drawings, in which FIGURE l depicts in the cross-section, the walls of a building for applying the ventila~ing method of the present invention.
FIGURE 2 depicts a second embodiment of a building wall in cross-section for performing a ventilating method according to the present invention.
FIGURE 3 depicts a third embodiment oE a building wall in cross-section for ventilating between rooms in a building.
FIGURE 4 depicts a fourth embodiment of a structure of walls according to the present invention~
Referring to Figure l, the walls 2 of a building according to a first embodiment of the present invention contain air permeable thermal insulation materials 3 and air directing materials 4, which are substantially less air permeable -than the insulation materials 3. The walls of the building are equipped mainly with air impermeable outer surfaces, in which are Eormed the openings 5a, 5b for intaking replacement air. The opening 5a is formed in the lower part of the wall and the opening 5b in the upper part of the wall. In this embodiment in the upper part of the wall is arranged to extend inwardly beneath the roof the directing material 4a, which directs air into the other space through opening Sb into a channel 7 which has an air permeable thermal insulation layer situated therein. No other air-conditioning openings are required to be provided for the attic spaces. Within the wall, a section of air directing material is disposed having an opening 5 Eormed in a central portion thereof. Additionally, the interior side o~ the wall and the interior ceiling are equipped with air impermeable material. An opening 5c is formed in an upper portion of the interior side of the wall. The ceiling is provided with air permeable thermal insulation material. In one embodiment of the present invention, openings may be provided in the directing material which lines the interior ceiling to allow air ~rom the attic space to flow into the room space 1.
In the room space 1 of the building, an under pressure may be induced by mechanical means such as a blower. The replacing air is taken in through the walls, specifically through the openings 5a and 5b. The air, which has come through the lower opening 5a, circulates through the open-ing 5 to the upper part of the wall and through the opening 5c into the room space 1. The air which has come through the upper opening circulates via the channel 7 within the attic space 6, passes through the thermal insulation layer of the wall and through the opening 5 to the interior parts of the wall and into the room space through the opening 5co ; In this way, the air can be direc-ted in the wished manner hy means of the directing materials and be led into the room space for instance through the base of an illuminator, whereby the heat from the illuminator also heats the incomlng air.
. .
3 r~ J~
In Figure 2, a second embodiment oE the present inven-tion is illustrated, wherein outside air is taken in solely through the opening 5b in the upper part of the wall. The directing material is in this embodiment arranged to extend from the upper part oE the wall close to the lower part of the wall, whereat the air is circulated efficiently in the structures of the ~7all.
In the emhodiment illustrated in Figure 3 the replacing air is brought in solely through the opening 5a in the lower part of the wall. Several directing material sheets are disposed within the wall Eor circulating the air inside the wall.
In the embodiment illustrated in Figure 4, the directing material is placed relatively close to the inner face of the wall. In this way, the space between the external surface of the wall and the directing material can be filled with material that is less air permeable or insula-tion material which can act as an insulation layer.
Also the air coming from the attic space is circulated in the interior ceiling and in the wall as directed by the directing materials, as shown in Figure 4.
In all of the disclosed embodiments, air will flow from the room space 1 outwardly through the passages defined by the directing materials in the opposite ; 25 direction from that described above.
It should be understood that the invention is not limited to the disclosed embodiments but it can vary within the scope of the appended cla;ms. The method is suitable for use while renovating old buildings, as well as in building new ones. The form and the position of the directing sheets in the walls can vary according to the desired air flow pattern. In certain applicatons only a part of the wall is made use of when taking in the replacing air.
.~
Claims (7)
1. A method for ventilating a building wherein the air pressure within the building is different than the air pressure outside the building, comprising:
(a) passing air through an orifice defined on one side of an external wall of the building exposed to ambient atmosphere into a space defined within the wall;
(b) directing the air within the wall in a direction that is parallel to an inner surface of the external wall through insulation materials within the wall by using directing materials which extend parallel to the inner surface of the external wall and have relatively low air permeability, thereby filtering the air and providing heat exchange between the air and the wall; and (c) passing the air so filtered through an orifice defined in the opposite side of the wall whereby the filtered air is closer in temperature to the temperature of the insulation materials than was heretofore possible because the air is constrained by the directing materials to move heightwise along the wall prior to exiting same.
(a) passing air through an orifice defined on one side of an external wall of the building exposed to ambient atmosphere into a space defined within the wall;
(b) directing the air within the wall in a direction that is parallel to an inner surface of the external wall through insulation materials within the wall by using directing materials which extend parallel to the inner surface of the external wall and have relatively low air permeability, thereby filtering the air and providing heat exchange between the air and the wall; and (c) passing the air so filtered through an orifice defined in the opposite side of the wall whereby the filtered air is closer in temperature to the temperature of the insulation materials than was heretofore possible because the air is constrained by the directing materials to move heightwise along the wall prior to exiting same.
2. A method according to claim 1, wherein the directing materials are air impermeable.
3. A method according to claim 1 or 2, wherein an under pressure is induced within the building prior to step (a).
4. A method according to claim 1 or 2, wherein step (a) further includes the step of passing the air into an interspace between a roof of the building and a ceiling within the building before passing the air into the space defined within the wall.
5. A method according to claim 1 or 2, including the additional step of passing air through a second orifice defined on one side of the external wall of the building into an interspace between the roof of the building and a ceiling within the building, and subsequently passing that air into the room spaces of the building through air permeable insulation materials located in the ceiling.
6. A method according to claim 1, further comprising the additional step of inducing a positive pressure within the building prior to step (a).
7. Apparatus for ventilating a bulding wherein the air pressure within the building is different than the air pressure outside the building, comprising:
an external wall of the building having one or more orifices defined in an outer surface exposed to ambient atmosphere and at least one opening defined on an inner surface thereof for allowing ventilating air to pass therethrough;
one or more sheets of directing materials having relatively low air permeability disposed within said external wall in a direction that is substantially parallel to said inner surface for guiding the ventilating air; and insulation material within said wall for simultaneously filtering the air and providing heat exchange between the air and said external wall, whereby the ventilating air is constrained by the directing materials to flow heightwise along the wall prior to exiting in order to better adjust the filtered air to the temperature of the wall.
an external wall of the building having one or more orifices defined in an outer surface exposed to ambient atmosphere and at least one opening defined on an inner surface thereof for allowing ventilating air to pass therethrough;
one or more sheets of directing materials having relatively low air permeability disposed within said external wall in a direction that is substantially parallel to said inner surface for guiding the ventilating air; and insulation material within said wall for simultaneously filtering the air and providing heat exchange between the air and said external wall, whereby the ventilating air is constrained by the directing materials to flow heightwise along the wall prior to exiting in order to better adjust the filtered air to the temperature of the wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000513106A CA1285170C (en) | 1986-07-04 | 1986-07-04 | Method for arranging of ventilation of building and structure for applying of the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000513106A CA1285170C (en) | 1986-07-04 | 1986-07-04 | Method for arranging of ventilation of building and structure for applying of the method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1285170C true CA1285170C (en) | 1991-06-25 |
Family
ID=4133497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000513106A Expired - Lifetime CA1285170C (en) | 1986-07-04 | 1986-07-04 | Method for arranging of ventilation of building and structure for applying of the method |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1285170C (en) |
-
1986
- 1986-07-04 CA CA000513106A patent/CA1285170C/en not_active Expired - Lifetime
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