EP0829587B1 - Improved device to abstract moisture from a wall or similar - Google Patents
Improved device to abstract moisture from a wall or similar Download PDFInfo
- Publication number
- EP0829587B1 EP0829587B1 EP97202809A EP97202809A EP0829587B1 EP 0829587 B1 EP0829587 B1 EP 0829587B1 EP 97202809 A EP97202809 A EP 97202809A EP 97202809 A EP97202809 A EP 97202809A EP 0829587 B1 EP0829587 B1 EP 0829587B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- air guide
- duct
- hole
- shaped element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
- E04B1/7069—Drying or keeping dry, e.g. by air vents by ventilating
- E04B1/7084—Drying or keeping dry, e.g. by air vents by ventilating with Knappen systems, i.e. atmospheric siphons
Definitions
- the present invention relates to a wall with a device to abstract moisture from it, more particulary a cavity wall made of masonry, concrete or other moisture-absorbent materials.
- a device to abstract moisture from a wall is known from the Dutch patent no. 183.148. According to this patent, use is made of a device which is secured in a hole that is realised in a wall that is to be dried or to be kept dry.
- This hole is, for example, obtained by the removal of a brick from the outer wall and possibly by further cutting out the wall that is to be dried, until the hole shows a depth of approximately 2/3 of the total thickness of the wall.
- This known device consists, on the one hand, of a frame that is placed in the aforesaid hole and, on the other hand, of a separate body that extends outside the outer wall as well as in the hole, and is provided in this hole with a partition, whereby this body and this partition divide the hole into two chambers, leaving free a passage.
- a disadvantage of this known device occurs when it is applied in a cavity wall. In such case namely, the cavity must be bricked up at the spot of the wall of the hole, in which the device is applied, which is time-consuming and difficult to realise.
- the invention concerns a device which can be applied in a single wall or as well as in a cavity wall, and which does not show the aforesaid disadvantage when applied in a cavity wall.
- the invention concerns a wall comprising an inner wall, an outer wall, and a cavity between them and a device for abstracting moisture, applied in a hole in the outer wall, said device consisting of air guide means which define an air guide channel between two openings which extend in different directions outside the wall, whereby the, device is provided with a duct-shaped element having at least an axial length of such a dimension that, on the one hand, it forms a sealing wall between the aforesaid hole and the surrounding cavity and, on the other hand, it extends, at least over a certain length, in the outer wall.
- a wall with a device to abstract moisture from it comprising a duct-shaped element is disclosed in FR-A-2.674.553, but the wall is a single wall.
- the known device is provided with a cylindrical porous body with an inclining plate, that is placed in the aforesaid body. Moisture is evacuated as drops by the inclining plate towards the outside of the wall.
- the body is closed by means of a grid having openings extending in the same direction.
- the invention concerns a device 1 to abstract moisture from a wall 2, more particularly a cavity wall.
- such cavity wall consists of an outer wall 3 and an inner wall 4, between which a space is present, namely a so-called cavity 5.
- This cavity 5 can, either as represented on the left-hand part of figure 1, be left free so that an air cavity is created, or can, as represented on the right-hand part of figure 1, be completely or partly filled with insulating material 6 or similar.
- the device 1 consists of air guide means 7 which can be applied in a hole 8 in the wall 2 and which define an air guide channel 9 between two openings 10-11 which extend in different directions outside the wall 2, more particularly outside the outer side of the wall 2.
- the air guide means 7 are realised in such a way that the air that flows through the air guide channel 9, can directly or indirectly carry off moisture originating from the wall 2.
- the particularity of the present invention lies in the fact that the device 1 is provided with means 13 which form a cover between the air guide channel 9 and the surrounding cavity 5.
- these means 13 preferably consist of a duct-shaped element 14 which forms at least a sealing wall between the concerned hole 8 and the surrounding cavity 5. More particularly, it is preferred that this duct-shaped element 14 shows such an axial length L1, that, during its application, on the one hand a sealing wall is formed between the hole 8 and the cavity 5 and, on the other hand, the element 14, extends, at least over a determined length L, in the outer wall 3, as a result of which it is kept in the hole 8.
- the device 1, and more particularly the duct-shaped element 14, is preferably open at its head extremity which is situated at the furthermost point of the outer side 12, in such a way that the inner wall 4 limits the air guide channel 9 with one side 15.
- the aforesaid cover, and more particularly the duct-shaped element 14, preferably forms a loose part, in other words, a part which stands loose in relation to the aforesaid air guide means 7.
- the means 13, and more particularly the duct-shaped element 14, respectively, is preferably formed by a porous, moisture-permeable material, which fully or considerably prevents the flow of the air.
- Ceramics such as pottery material.
- These means 13 can also consist of a cover that is made of the same material as the one that is used to manufacture bricks.
- the device 1, and thus also the duct-shaped element 14, show, in a vertical cross-section, parallel to the wall 2, preferably and mainly a rectangular shape.
- the air guide means 7 mainly consist of a vertically separating wall 16, preferably extending over the full or nearly full height of the hole 8, the duct-shaped element 14, respectively, which divides the hole 8 in two adjacent chambers 17-18, whereby, at the back, a passage 19 is left between the two chambers.
- the separating wall 16 is partly formed of a body 20 that is clock-shaped, in a horizontal cross-section, and that is elongated with a plate-shaped partition 21.
- the separating wall 16 is secured in a rectangular frame 22.
- the installation of the device 1 is as follows.
- a hole 8 is realised, by making an opening into the outer wall 3. Subsequently, the duct-shaped element 14 is applied therein. When it does not exactly fits the circumference, the gap, which then occurs, between this element 14 and the outer wall 3, can be filled up with for example mortar.
- the frame 22 with the separating wall 16 is then secured in the hole 8, for example, also by means of mortar 23, cement or similar.
- the operation of the device is based on the fact that, when an air flow F1 is created along the wall 2, for example due to the wind, also an air flow F2 is created through the air guide channel 9, as a result of which a drying effect is obtained. Indeed, the moisture from the wall 2, saturates the air in the hole 8, and this humid air is driven outside by the air flow F2.
- these means 13, and more particularly the duct-shaped element 14 can be realised undivided with the remainder of the device or can be connected herewith, for example, by means of ribs, which are not represented, between the frame 22 and the element 14.
- These means can also be manufactured from plastic material or another material, that is provided with the required openings and/or perforations, in such a way that the moisture can be abstracted from the surrounding parts of the wall 2, and also in such a way that the air flow F2 is not disturbed by the presence of the cavity 5.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Drying Of Solid Materials (AREA)
- Sink And Installation For Waste Water (AREA)
- Photographic Developing Apparatuses (AREA)
- Sampling And Sample Adjustment (AREA)
- Treatment Of Fiber Materials (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
Description
- The present invention relates to a wall with a device to abstract moisture from it, more particulary a cavity wall made of masonry, concrete or other moisture-absorbent materials.
- A device to abstract moisture from a wall is known from the Dutch patent no. 183.148. According to this patent, use is made of a device which is secured in a hole that is realised in a wall that is to be dried or to be kept dry.
- This hole is, for example, obtained by the removal of a brick from the outer wall and possibly by further cutting out the wall that is to be dried, until the hole shows a depth of approximately 2/3 of the total thickness of the wall.
- This known device consists, on the one hand, of a frame that is placed in the aforesaid hole and, on the other hand, of a separate body that extends outside the outer wall as well as in the hole, and is provided in this hole with a partition, whereby this body and this partition divide the hole into two chambers, leaving free a passage.
- When the wind flows along the outer wall, a part thereof, . due to the contact with the aforesaid protruding body, will be forced through the chambers and the air, present therein, that contains moisture from the wall, will be displaced, which will finally result in a drying effect.
- A disadvantage of this known device occurs when it is applied in a cavity wall. In such case namely, the cavity must be bricked up at the spot of the wall of the hole, in which the device is applied, which is time-consuming and difficult to realise.
- The invention concerns a device which can be applied in a single wall or as well as in a cavity wall, and which does not show the aforesaid disadvantage when applied in a cavity wall.
- To this end the invention concerns a wall comprising an inner wall, an outer wall, and a cavity between them and a device for abstracting moisture, applied in a hole in the outer wall, said device consisting of air guide means which define an air guide channel between two openings which extend in different directions outside the wall, whereby the, device is provided with a duct-shaped element having at least an axial length of such a dimension that, on the one hand, it forms a sealing wall between the aforesaid hole and the surrounding cavity and, on the other hand, it extends, at least over a certain length, in the outer wall.
- A wall with a device to abstract moisture from it comprising a duct-shaped element is disclosed in FR-A-2.674.553, but the wall is a single wall.
- The known device is provided with a cylindrical porous body with an inclining plate, that is placed in the aforesaid body. Moisture is evacuated as drops by the inclining plate towards the outside of the wall. The body is closed by means of a grid having openings extending in the same direction.
- In order to better show the characteristics of the invention, a preferred embodiment of a device according to the present invention is described hereafter, as an example, and without any restrictive character whatsoever, reference being made to the accompanying drawings, in which:
- figure 1 represents a cross-sectional view of a cavity wall with a device according to invention;
- figure 2 represents a cross-sectional view according to line II-II in figure 1.
-
- As represented in figure 1, the invention concerns a
device 1 to abstract moisture from awall 2, more particularly a cavity wall. - As is known, such cavity wall consists of an
outer wall 3 and an inner wall 4, between which a space is present, namely a so-called cavity 5. This cavity 5 can, either as represented on the left-hand part of figure 1, be left free so that an air cavity is created, or can, as represented on the right-hand part of figure 1, be completely or partly filled withinsulating material 6 or similar. - The
device 1 according to the invention consists of air guide means 7 which can be applied in a hole 8 in thewall 2 and which define anair guide channel 9 between two openings 10-11 which extend in different directions outside thewall 2, more particularly outside the outer side of thewall 2. Hereto, the air guide means 7 are realised in such a way that the air that flows through theair guide channel 9, can directly or indirectly carry off moisture originating from thewall 2. - The particularity of the present invention lies in the fact that the
device 1 is provided withmeans 13 which form a cover between theair guide channel 9 and the surrounding cavity 5. - As represented in figure 1 these means 13 preferably consist of a duct-
shaped element 14 which forms at least a sealing wall between the concerned hole 8 and the surrounding cavity 5. More particularly, it is preferred that this duct-shaped element 14 shows such an axial length L1, that, during its application, on the one hand a sealing wall is formed between the hole 8 and the cavity 5 and, on the other hand, theelement 14, extends, at least over a determined length L, in theouter wall 3, as a result of which it is kept in the hole 8. - The
device 1, and more particularly the duct-shaped element 14, is preferably open at its head extremity which is situated at the furthermost point of theouter side 12, in such a way that the inner wall 4 limits theair guide channel 9 with oneside 15. - The aforesaid cover, and more particularly the duct-
shaped element 14, preferably forms a loose part, in other words, a part which stands loose in relation to the aforesaid air guide means 7. - The
means 13, and more particularly the duct-shaped element 14, respectively, is preferably formed by a porous, moisture-permeable material, which fully or considerably prevents the flow of the air. - Hereto it is particularly preferred that use is made of ceramics, such as pottery material. These means 13 can also consist of a cover that is made of the same material as the one that is used to manufacture bricks.
- The
device 1, and thus also the duct-shaped element 14, show, in a vertical cross-section, parallel to thewall 2, preferably and mainly a rectangular shape. - As represented in the figures 1 and 2, the air guide means 7 mainly consist of a vertically separating
wall 16, preferably extending over the full or nearly full height of the hole 8, the duct-shaped element 14, respectively, which divides the hole 8 in two adjacent chambers 17-18, whereby, at the back, apassage 19 is left between the two chambers. - In the represented example, the
separating wall 16 is partly formed of abody 20 that is clock-shaped, in a horizontal cross-section, and that is elongated with a plate-shaped partition 21. - The separating
wall 16 is secured in arectangular frame 22. - The installation of the
device 1 is as follows. - Firstly, a hole 8 is realised, by making an opening into the
outer wall 3. Subsequently, the duct-shaped element 14 is applied therein. When it does not exactly fits the circumference, the gap, which then occurs, between thiselement 14 and theouter wall 3, can be filled up with for example mortar. - Subsequently, the
frame 22 with theseparating wall 16, is then secured in the hole 8, for example, also by means ofmortar 23, cement or similar. - The operation of the device is based on the fact that, when an air flow F1 is created along the
wall 2, for example due to the wind, also an air flow F2 is created through theair guide channel 9, as a result of which a drying effect is obtained. Indeed, the moisture from thewall 2, saturates the air in the hole 8, and this humid air is driven outside by the air flow F2. - It is hereby observed that, in such a manner, moisture from the
outer wall 3, the inner wall 4 as well as from the cavity 5, can be carried away. - According to a variant, these means 13, and more particularly the duct-
shaped element 14, can be realised undivided with the remainder of the device or can be connected herewith, for example, by means of ribs, which are not represented, between theframe 22 and theelement 14. - These means can also be manufactured from plastic material or another material, that is provided with the required openings and/or perforations, in such a way that the moisture can be abstracted from the surrounding parts of the
wall 2, and also in such a way that the air flow F2 is not disturbed by the presence of the cavity 5. - The present invention is in no way limited to the embodiment described above and represented in the drawings, but such improved device to abstract moisture from a wall can be realised in different shapes and dimensions, without leaving the scope of the invention as defined in the Claims.
Claims (9)
- Wall (2) comprising an inner wall (4), an outer Wall (3), and a cavity (5) between them and a device (1) for abstracting moisture, applied in a hole (8) in the outer wall (3), said device (1) consisting of air guide means (7) which define an air guide channel (9) between two openings (10-11), which extend in different directions outside the wall (2), characterised in that the device (1) is provided with a duct-shaped element (14) having at least an axial length (L1) of such a dimension that, on the one hand, it forms a sealing wall between the aforesaid hole (8) and the surrounding cavity (5) and, on the other hand, it extends, at least over a certain length (L), in the outer wall (3).
- Wall according to claim 1, characterized in that the duct-shaped element (14), consists of a porous, moisture-permeable material.
- Wall according to claim 2, characterized in that the duct-shaped element (14) mainly consists of ceramics.
- Wall according to anyone of the preceding claims, characterized in that the device is open at its head extremity, in such a way that, during its application in a cavity wall, the inner wall (4) limits the air guide channel (9).
- Wall according to anyone of the preceding claims, characterized in that the duct-shaped element (14) forms a loose part in relation to the air guide means (7).
- Wall according to anyone of the preceding claims, characterized in that the device has, in a vertical cross-section, parallel to the wall (2), just like the duct-shaped element (14), a mainly rectangular shape.
- Wall according to anyone of the preceding claims, characterized in that the air guide means (7) comprises a vertically separating wall (16), preferably extending over the full or nearly full height, which divides the hole (8) in two adjacent chambers (17-18), whereby, at the back, a passage (19) is left between the two chambers (17-18).
- Wall according to claim 9, characterized in that the separating wall (16) is, at least partially, formed of a body (20) that, in a horizontal cross-section, is bell-shaped, whereby this body (20) may be elongated with a plate-shaped partition (21).
- Wall according to claim 9 or 10, characterized in that the device contains a frame (22), in which the partition (21) is secured, said frame being adapted to be fixed in the hole (8).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE9600774 | 1996-09-13 | ||
BE9600774A BE1010625A3 (en) | 1996-09-13 | 1996-09-13 | Improved device for taking of moisture on a wall or the like. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0829587A1 EP0829587A1 (en) | 1998-03-18 |
EP0829587B1 true EP0829587B1 (en) | 2003-03-12 |
Family
ID=3889970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97202809A Expired - Lifetime EP0829587B1 (en) | 1996-09-13 | 1997-09-13 | Improved device to abstract moisture from a wall or similar |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0829587B1 (en) |
AT (1) | ATE234398T1 (en) |
BE (1) | BE1010625A3 (en) |
DE (1) | DE69719643T2 (en) |
ES (1) | ES2196254T3 (en) |
PT (1) | PT829587E (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0304123D0 (en) | 2003-02-24 | 2003-03-26 | Dampsolve Ltd | Brick for extracting moisture from walls |
NL2007920C2 (en) * | 2011-12-02 | 2013-06-06 | Graaf Evert Frederik | A building having a cavity wall structure, an element for extracting moisture from a cavity wall structure, and a method for installing means for abstracting moisture from a cavity wall structure. |
NL2012035C2 (en) | 2013-12-30 | 2015-07-01 | Schrijver Vochtbestrijding B V | Device for extracting moisture from a wall. |
NL2012238C2 (en) | 2014-02-11 | 2015-08-17 | Hendrikus Bernardus Theodorus Schrijver | DEHUMIDIFYING DEVICE AND WALL WITH SUCH DEHUMIDIFYING DEVICE. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1110846B (en) * | 1959-10-24 | 1961-07-13 | Heinrich Ferber | End cap for holes for dehumidifying masonry |
AT220792B (en) * | 1961-02-09 | 1962-04-10 | Johann Schoenlechner | Closing body for the completion of inclined holes in masonry or the like. |
NL183148C (en) * | 1981-10-22 | 1988-08-01 | Schrijver Systeem Vochtbestrij | Apparatus for extracting moisture from a wall or other similar masonry. |
NL8500177A (en) * | 1985-01-23 | 1986-08-18 | Hendrik Willem Rudolf Koster | Brick wall moisture-extraction equipment - has protruding bell-shaped component in mating opening leaving continuous passage between |
FR2674553B1 (en) * | 1991-03-29 | 1993-06-11 | Kinghron Ltd | DEVICE FOR DEWATERING WALLS COMPOSED OF A POROUS CYLINDRICAL BODY IN THERMOPLASTIC RESINS ON THE WHOLE PERIMETER. |
-
1996
- 1996-09-13 BE BE9600774A patent/BE1010625A3/en active
-
1997
- 1997-09-13 AT AT97202809T patent/ATE234398T1/en active
- 1997-09-13 DE DE69719643T patent/DE69719643T2/en not_active Expired - Lifetime
- 1997-09-13 PT PT97202809T patent/PT829587E/en unknown
- 1997-09-13 EP EP97202809A patent/EP0829587B1/en not_active Expired - Lifetime
- 1997-09-13 ES ES97202809T patent/ES2196254T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2196254T3 (en) | 2003-12-16 |
DE69719643D1 (en) | 2003-04-17 |
PT829587E (en) | 2003-07-31 |
BE1010625A3 (en) | 1998-11-03 |
ATE234398T1 (en) | 2003-03-15 |
EP0829587A1 (en) | 1998-03-18 |
DE69719643T2 (en) | 2003-10-30 |
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