CA2067360A1 - Roofridge-ventilation system - Google Patents
Roofridge-ventilation systemInfo
- Publication number
- CA2067360A1 CA2067360A1 CA002067360A CA2067360A CA2067360A1 CA 2067360 A1 CA2067360 A1 CA 2067360A1 CA 002067360 A CA002067360 A CA 002067360A CA 2067360 A CA2067360 A CA 2067360A CA 2067360 A1 CA2067360 A1 CA 2067360A1
- Authority
- CA
- Canada
- Prior art keywords
- roofridge
- ventilation
- cap
- ventilation system
- air
- 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.)
- Abandoned
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/17—Ventilation of roof coverings not otherwise provided for
- E04D13/174—Ventilation of roof coverings not otherwise provided for on the ridge of the roof
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Building Environments (AREA)
- Treating Waste Gases (AREA)
- Semiconductor Lasers (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Amplifiers (AREA)
- Control Of Electric Motors In General (AREA)
- Electronic Switches (AREA)
- Glass Compositions (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Catalysts (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
ABSTRACT
A roofridge-ventilation system on roofs, having a roofridge-venti-lation cap 1 disposed below the ridgetiles 4, comprises a gap 7 facing the longitudinal edges, in which gap fittings are made which form the entering air to vortices or deflect it. The roofridge-ven-tilation cap 1 can comprise devices for completely closing the gap 7 in such a way that the gap 7 only exists on the leeward side. By such means, on the leeward side of tilted roofs, a stable vacuum region can be established. By means of the thus created suction, stale air can be guided leewardly out of the inner space of the roof and out of the airing gaps into the outer region (fig. 1).
A roofridge-ventilation system on roofs, having a roofridge-venti-lation cap 1 disposed below the ridgetiles 4, comprises a gap 7 facing the longitudinal edges, in which gap fittings are made which form the entering air to vortices or deflect it. The roofridge-ven-tilation cap 1 can comprise devices for completely closing the gap 7 in such a way that the gap 7 only exists on the leeward side. By such means, on the leeward side of tilted roofs, a stable vacuum region can be established. By means of the thus created suction, stale air can be guided leewardly out of the inner space of the roof and out of the airing gaps into the outer region (fig. 1).
Description
2~73~
Roofridge-ven~ilation system The invention starts from a roofridge-ventilation system on roofs, ha~ing a roofridge-ventilation cap~disposed below the ridgetiles, said cap being provided with single ducts which are disposed in a line in longitudinal direction to the roof one behind the other, which are with their front sided muzzle openings open to the oppo-site roof panes and which cross the hollow space below the ridgeti-les, said single ducts being open to the flow regions of the air.
A similiar roofridge-ventilation system became known by the ~erman patent 3 023 083.
The importance of roofridge-ventilation systems on tilted roofs has been continuously increased in the last years, since the design of a roof has been decisively changed by the use of the roof region, e.g. as living space. New materials, a mcre exact productions of the materials and higher demands on the heat protection have repla-ced many rules of roof design, which have been proved in the past.
In former days, for example, the good ventilation~of a roof for preventing the build-up of condensate has been ensured by the bad mutual fit of the tiles. The high tiling qualitiy of today pre-ven~s, however, d mostly uncontrolled exchange of air bet~een the upper and the lower air flow. Additionally, in the past, the big volume of air of the loft under tilted~roofs unused for~ ing pur- ;~
poses could often receive the arising humidity~ In modern~roof de~
signs, the air volume which is at the hum~dlty's disposal, is de-~ , .
, 2~73~0 creased to the content of the ventilating gap between the heat in-sulation and the overlaying layer (sheet spread out under the roof, wooden lining or rain proof counter roof, respectively). Additio-nally, even on hot summer days, always a good and quick dissipation of the heat should be secured. Thus, the danger o~ local condensa-tions and of damages to the roof itsel~ caused thereby has increa-sed. Therefore, a secure dissipation of the humidity in the venti-lation gap below the tiles must always to be aimed at, and this dissipation can only sufficiently be realized by the generation of a strong air flow in the ventilation gap. This has been determined by the German industry standard (DIN) 4108.
In the known roofridge-ventilation system, the air can to a high degree flow under the ridgetiles at the windward side and can flow out at the leeward side. Air in the inner space and from the ven-tilation gap under the roofing plates can rise to the roofridge and can be carried into the open air leewardly by the air passing the roofridge region across the ridge beam.
When the air flow is directed across an inclined roof, the ridge-tile serves as breakaway edge for the air flow. Leewardly, a vacuum zone is created, into which the air from the ventilation gap, the inner space and the roofridge region flows, insofar as the crcss sections of the openings facing the vacuum zone are formed suffici-ently big and favourable. By such means, a strong air circulation is created within the ventilation gaps of the roof, which secures a good ventilation of tilted roofs.
Thus the invention is based on the aim to promote a roofridge-ven- `
tilation system of the above-mentioned type in such a way that the air flows which can be guided in the roofridge region can be still better guided and can be used for the more effective ventilation of tilted roofs.
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This aim is solved according to the invention by devices distribu-ted over the roofridge-ventilation cap, which devices resist more against the air entering from the outer region than against the air flowing out to the outer region.
Thus, the roofridge-ventilation system of the invention has the essential advantage that it forms a greater resistance against the windwardly entering air than against the leewardly outflowing air.
The roofridge-ventilation cap behaves in a wide range like aerody-namical throttle systems and uses the advantages which are known from aerodynamics. The windwardly entering air does not anly form vortexes, but is also deflected in the gap between the ridgetile and the roofridge-ventilation cap; thus, a greater percentage of the air passing under the ridgetiles flows over the ridgetiles as in the customary roofridge-ventilation systems, as known from the German patent 3 023 083. By these means, the vacuum under the rid-getile is lastingly stabilized and air entering from outside into the roofridge region is effectively prevented from flowing in the ventilation gap leewardly and downwardly in the`directlcn of the gutter. In summary, the flow conditions are more sharply defined than in known roofridge-ventilation systems.
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According to a further embodiment of the invention, the devices are formed of strips which have approximately a width conforming with the clearance of the gap between the roofing plates and the free end of the ridgetiles.
This has the advantage that the air flow over the whole length of a roof will. at its enry under the ridgetiles, be disturbed, partly form vortexes and be deflected. ~ ;
~, If the strips are, as in a further embodiment of the~invention, disposed at the roo~ing plates and/or the ridgetiles and/or the longitudinal edge of the roofridge-ventila~ion cap, they are able '-`. " ' ~ ' : ' :,,: ' . :`i .
2~73~0 by means of their angle of pitch relative to the air flow to de-flect the air more or less. The strips can be disposed firmly and stiffly and not twistably by the wind, they can, however, also be tiltably and/or shiftably supported. Thus, a variation of the angle or pitch relative to the air flow solely dependent on the pressure and the direction of the wind is possible. The pitch of the strips relative to the roof pane can also be controlled and feedback-con-trolled via auxiliary drives, e.g. electric drives by anemometers disposed on the roo~. The strips can be disposed in such a way that by means of them, the closure of the windward side gap between the longitudinal edge of the ridgetile and the roofing plate is possi-ble. In this case, the air flowing against the roofridge is comple-tely directed over the ridgetile.
The ridgetiles act for the air flow as a breakaway edge. Behind this breakaway edge, a vacuum zone is leewardly formed. Thus, the hollow space under the roofridge tiles is ventilated by this lee-ward vacuum zone only.
In case the strips are, according to a further embodiment of the invention, put together longitudinally by strip portions, it is possible to set along the length of the roof different gap widths.
This can be particularly advantagous in case the roof pane is im-pinged on by wi~ds sidewardly, non-frontally and from changing di-rections.
According to a further embodiment of the invention, the devices are formed by aerodynamic baffle members disposed in the single duct.
This has the advantage that also within a roo~ridge-ventilation cap the flow resistance against the entering air can be kept high. The baffle members are able to back and improve the effect of longitu-dinally disposed, wind-deflecting strips at the longitudinal edge of the roofridge-ventilation cap.
~73~0 Embossed formations which limit ~he single duct sidewardly can also work like baffle plates. Flat, particularly concavely formed surfa-ces and edges are disposed against the entering air. Thus, the en-tering air will be disturbed intensely. The air flowing out of the roofedge region clings to the outline of the embossed formations and flows essentially more evenly.
In a further embodiment of the invention, at positions of favoura-ble flow on the roofridge-ventilation cap, openings are provided.
This has the advantage that an air flow rising out of the ventila-tion gaps and the inner space can rise as freely as possible into the roofridge region via the roofridge-ventilation cap and flows out of the raofridge region to the vacuum zone on account of the suction.
According to a further embodiment of the invention, sealing strips facing the roofing plates are provided in the marginal area of the roofridge-ventiIation cap.
This has the advantage that the roofedge-ventilation caps tightly contact the roofing plates and a defined exchange of air takes place through and over the roofridge-ven-tilation cap.
In case a longitudinal edge with triangle-shaped cross-section is attached to the roofridge-ventilation cap, then by means of the pitch thereof relative to the air flow a breakaway of the flow and thus a first effective deflection of the wind can be caused.
Thus, the roofridge-ventilation cap of the invention meets all ex-tended demands which are requested in the scope of the roof Yenti-lation. The roofridge-ventilation cap uses the advantages of known roofridge-ventilation systems profoundly and improves these by an increased enforced ventilation.
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2~7~a Further ad~antages are apparent 'rom the description and the enclo-sed drawings. In the same way, the above-mentioned and ~he further presented features can be used according to the invention each sin-gularly or in any combination with each other. The mentioned embo-diments are not to be deemed as final enumerations, but are exemplary.
The invention is illustrated in ~he drawings and will be further discussed by means of embodiments in the drawings. In the drawings:
fig. 1 shows a short portion of a roofridge-ventilation system according to the invention in a perspective illustration, comprising a roofridge-ventilation cap covering the clea-rance between the ridgebeam and the roofing plates;
fig. 2 shows an embodiment of a roofridge-ventilation cap of a roofridge-ventilation system according to the invention in perspective illustration, a shotrt portion of the roof-ridge-ventilation cap showing the repeatèd structural em-bossed for~ations;
fig. 3 shows a sections across the ridgebeam comprising a half of a further embodiment of a roofridge-ventilation cap;
fig. 4 shows a portion of a further embodiment of a roofridge-ven-tilation cap having baffle members, in plan view, said cap extending at both sides of a ridgebeam; and fig. 5 shows a section of a further embodiment of a roofridge-ven-tilation cap in perspective illustration.
The figures of the drawing show the subject matter of the invention partly rather diagramatically and are not to be deemed ~o scale.
The subject matter of the single figures are partly enlarged for better showing the structure thereof.
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In fig. 1, a short section of a roofridse-ventilation system having a roofridge-ventilation cap 1 is shown. The roofridge-ventilation cap rests on one hand on a ridgebeam 2 shown in the figure and is fixed thereat, on the other hand, it rests with the longitudinal edge 3 on the surface of roofing plates. The roofridge-ventilation cap 1 covers the clearance between the rldgebeam 2 and the roofing plates. Such a clearance is formed on both sides of the ridgebeam 2. In fig. 1, however, only a short portion on one side of a tilted roof is shown.
The roofridge-ventilation cap 1 is covered by ridgetiles 4 which are attached to the ridgebeam 2 by means of ridgeclamps 5. They rest with a formation 6 against the roofridge-ventilation cap 1 and push ~hat cap against the roofing plates. Under the longitudinal edge 3, a sealing strip can be attached to the roofridge-ventilati-on cap 1, which has to fill the gaps between the longitudinal edge 3 and the roofing plates. The ridgetiles 4 are always disposed in relation to the roofridge-ventilation cap 1 in such a way that be-tween the roofridge-ven tilation cap 1 and the ridgetiles 4, a gap 7 is formed in the zone of the longitudinal edges thereof. There al~Yays exists a distance between the ridgetiles 4 and the roofrid-ge-ventilation cap 1; the tile only rests by means of the formation 6 directly against the roofridge-ventilation cap 1.
The roofridge-ventilation cap 1 comprises in its central region em-bossed formations 11 which are provided in their walls with open-ings 12. The embossed formations 11 are spaced in longitudinal di-rection from each other in such a way that valleys are formed be-tween the embossed formations 11. Starting from the base of the embossed formations 11, the roofridge ven~ilation cap 1 extends slightly rising to an edge 13. At the edge 13, a steeply ~alling surface portion 14 follows, which preferably is concavely formed.
At the end of the surface portion 14, a ledge 15 is formed, which has a triangle-shaped cross-section. The end of the surface portion 14 conforms in this embodiment with the longitudinal edge 3~
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~73~0 By means of the e~bossed formations 11 spaced fro~ each other, atthe roofridge-ventilation cap 1 single ducts 16 are formed which ducts can have baffle members 17 at ~heir base. The baffle members 17 are disposed at the roofridge-ventilation cap 1 in such a way that they run in a continuous outline in the direction of the rid-gebeam withoutbeing diverted and merge into the surface of the roofridge-ventilation cap. Facing the longitudinal edge 3 of the roofridge-ventilation cap 1, the baffle members 17 are formed as precipitously rising surfaces which, when impinged by an air flow, form a greater resistance against the air than the surfaces of the flow or baffle members 17 impinged on the airflow and facing the ridgebeam.
As outer region is deemed to be the surrounding of an inclined roof facing outwards to the atmosphere.
In case air flows from the outer region in the direction of an arrow 21 to the roofridge region, the air can, on one hand, flow into the gap 7, and on the other hand, parts of the flow will be deflected in the direction of an arrow 22. This portion of the air flow flows windwardly over the ridgetiles 4. Further, portions of the flow are deflected in the direction of an arrow 23, as shown in phantom lines in fig. 1. This deTlected flow contributes to the fact that parts of the air flowing continuously in the direction of the arrow 21 will be additionally deflected in the direction of the arrow 22. Additionally, the surface portion 14 offers as an aero-dynamically formed baffle pla~e, against an extensive resistance to the flo~ in the direction of the arrow 21, which resistance is also able to deflect the flow.
Together with the structural formation of the roofridge-ventilation cap 1 in har~ony with the ridgetiles 4 and also ledge 15 which con-tributes as so-called "spoiler" also to the disturbance of the flow coming from the direction of the arrow 21, there results a roofrid-; . ~ , . .. .
9 2~73~
ge-ventilation system which guides the flow on the wi~dward side preferably over the roof and prevents in high degree air from the outer region passing through the gap 7 between the roofridge-venti-lation cap `1 and the inner side of the ridgetiles 4 without hin- -drance. Therefore, on the leeward side there is formed a very sta-ble vacuum zone which effects a suction by which stale air ~rom the inner space of the roof and the ventilation gaps is passed in the direction of the arrow 25 through the openings 12 and is guided lee~ardly out of the roofridge region.
Fig. 2 shows a further embodiment of a roofridge-ventilation cap 30 which is particularly adapted for deflecting the air which flows windwardly into the roofridge region, disturbing this air and re-sisting against this air by a high resistance. In fig. 2, also only a short portion of a roofridge-ventilation cap 30 is sho~n in per-spective illustration. This portion shows the central essential em-bodiments of this roofridge-ventilation cap 30. The structures are repeated and are also formed on the other side of the ridgebeam 31.
With a portion 32, the roofridge-ventilation cap 30 rests via a sealing strip 33 on the surface of roofing plates. A face 32' which is tilted relative to the passing air acts as a wind repellent. The sealing strip 33 can be made of foamed plastics materials or can also be made of easily formable, U~-proof material, for example roc~ wool. A central portion 34 is connected to the portion 32 and has formed thereon embossed formations 35. The embossed formations 35 are structurally formed in such a way that they strongly dist~rb the air entering from the outer region, on one hand, and practical-ly do not disturb the air flowing out from the inner region, on the other hand. The side faces are inclined relative to the surface against which the flow from the direction of an arrow 36 impinges.
The side faces have a pitch of 10 to 15 relative to the vertical side face. The direction of the arrow 36 is shown in the figure by phantom lines, which arrow is intended to show in an exemplary way how the air from the outer region is deflected or disturbed, respectively.
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lo-73~0 Via openings 38 ~hich are surrounded by a projecting rim 38', the air from the inner space OT the roof or from the ventilation gaps under the roofing plates, respectively, can flow in the roofridge region under the ridgetiles. This air then flows over a portion 39, as far as the air impinges in the direction of the arrow 36 against the roof, and flows leewardly out from the roofridge region. Via the portion 39, the roofridge-ventilation cap 30 is attached to the ricgebeam 31, Adjacent to the openings 38 supports 38" are dispo-sed, which effectively prevent the ridgetiles from resting on the portion 39.
Fig. 3 shows a part of a roofridge-ventilation cap 40 in cross-sec-tional view. In the figure, only a part of the roofridge-ventilati-on cap 40 is shown, and represented as extending to the roofing plates on one side of a ridgebeam 41. The same arrangement of the roofridge-ventilation cap 40 is present extending to the other roof pane. The roofridge-ventilation cap 40 rests on on one side on the ridgebeam 41 and presses over sealing strips 42 against rooring plates. The sealing strip 42 seals the roofridge-`ventilation cap 40 relative to the roofing plates and fills completely the valleys and spaces between the roofing plates. The roofridge-ventilation cap 40 is covered by a ridgetile 43 which is partly shown in the figure and which extends with its free end over the roofridge-ventilation cap 40. Thus, the roofridge-ventilation cap 40 is completely cove-red and cannot be seen from below.
The roofridge-ventilation cap 40 comprises similiar embossed for-mations 44 as they are shown in fig. 2. The embossed formations 44 serve as supports for the ridgetiles 43. Further, the ridgetiles 43 are, for example, fixed via ridgeclamps at the ridgebeam 41. The ridgetiles 43 are disposed relative to the roofridge-ventilation cap 40 in such a way that a gap 45 is formed at the longitudinal edge between the roofridge-ventilation cap 40 and the ridgetiles 43, onto which gap an air flow in the direction of an arrow 46 can impinge.
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2~7~
A strip 48 is put against longitudinal ed~e 47 of the roofridge-ventilation cap 40, which strip is connected via a joint 49 with the roofridge-ventilation cap 40. The strip 48 extends with its free end 51 over the longitudinal edge 47 and is by means of an air flo~ (the direction of the arrow 52 in phantom lines) tiltable into a position 53. The strip 48 in the position 53 is also shown in phantom lines.
In case the air flow presses the strip 48 into the position 53, the gap 45 be~ween the ridgetiles 43 and the roofridge-ventilation cap 40 is closed. The air flowing windwardly into the roofridge region is completely deflected and flows then in the direction of the arrow 54 over the ridgetiles 43. By these means, in the roofridge region, on the leeward side is a stable region of vacuum built up and the stale air which flows through openings 55 having an edge 5~' into the space between the roofridge-ventilation cap 40 and the lower side of the ridgetiles can, because of the suction, flow in the direction of the arrows 56 and 57 and escape leewardly from the roofridge region. An additional support 58 prevènts the ridgetiles 43 from resting on the ridgebeam 41.
The strips 48 can on the side facing the longitudinal edge 47 be covered with a sound absorbing layer and are in this embodiment disposed in such a way that they rest during calm always on the longitudinal edge 47 on account of their own weight. During calm or during a vacuum in this region, the strips 48 at both sides of the roof panes always rest on the relating longitudinal edges 47. Air flo~ing via the openings 55 into the space bet~een the ridgetile and the roofridge-ventilation cap 40 can escape via the gap 45 into the surrounding. The strips 48 can be very short and can be atta-ched to the roofridge-ventilation cap by means of joints which are independent of each other; thus, in the case of different wind di-rections, the strips 48 are only par~ly pushed into the position 53.
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2~3~a Fig. 3a shows in a ~urther embodiment a strip 90 which can be pivo-tally attached to a ridgetile 91. Air entering in the direction of an arrow 92 presses the strip 90 into a position 93 shown in broken lines. The free end 94 rests in a deflected condition onto a pro-jection 95 and closes a gap 36, which is always created when the strip 90 freely hangs downwardly on account of its own weight.
Fig. 4 shows in plan view a further embodiment of a roofridge-ven-tilation cap 60. The illustration shows the roofridge-ventilation cap 60 extending on both sides of a ridgebeam 61. The roofridge-~entilation cap 60 rests with a portion 62 to the ridgebeam 61 and is via this portion 62 attached to the ridgebeam 61.
To the portion 62 adjoin at both longitudinal sides portions 63 and 64, which finish off breadthwise the roofridge-ventilation cap 60 with a portion 65. Air flows in the directions of arrows 66 and 67 can impinge on the roofridge-ventilation cap 60.
The roofridge-ventilation cap 60 rests via the portions 65 on the roofing plates of the relating roof pane. Baffle members 69 are provided between embossed formations 68, which are disposed in the portions 63 and 64. The baffle members 69 can e.g. be triangle-shaped members facing with their petering and tapering side surface the-ridgebeam and facing with a mostly vertically or rectangularly directed, abruptly ris`ing surface the portion 65. Openings 70 to the inner space of the roof or the ventilation gaps, respectively, are further provided in the portion 63, through which the air can !
pass ~ia the roofridge-ventilation cap 60 through single ducts 71 to the outer region. The openings 70 comprise a rim 70' facing the under side of the ridgetiles~ To the openings 70 adjoin supports 70`' facing the ridgebeam 61, which supports ensure that the ridge-tile is always spaced with its under side to the portion 65.
~. .
Fig. S shows a further example of a partion af a roofridge-Yentila-` ~ ' ~. ..., ... .:, ; , . ~
- , , ~
-: : .: -~ , , . . - ... . . : ~ . . .. , :
~ ~ ~ `
- 2~73~0 tion cap 75, which comprises embossed formations 76. The embossed formations 76 extend essentially in the central area of the roof-ridge-~entilation cap 75 and have side faces which are sawtooth-shaped in such a way that they resist air flowing from the outer region in the direction of an arrow 77 by a broadfacing resistance, whereas to the air arriving from the inner space or from the oppo-site roof pane and flowing in the direction of an arrow 78 only surfaces are those opposed which extend continually slanting. To air flowing in the direction of the arrow 77 there opposes a sur-face 79 as an aerodynamically formed baffle surface being part of a member 80. By means of the member 80, air arriving from the direc-tion of the arrow 77 is deflected, disturbed, formed to vortices and mostly guided over the ridgetiles. Between the embossed forma-tions 76, openings 81 are provided connecting the inner space of the roof or the ventilation gaps, respectively, with the hollow space between the roofridge-ventilation cap 75 and the under side of the ridgetile. Below the member 80, a sealing strip 82 is for-med, Vi2 which the roofridge-ventilation cap 75 rests on the roofing plates. The aerodynamic disturbing surfac`e or baffle sur-face is formed by the face of the member 80 and the sealing strip 82.
The embossed formations have a triangular cross-section and sup-ports 83 facing the ridgebeam.
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Roofridge-ven~ilation system The invention starts from a roofridge-ventilation system on roofs, ha~ing a roofridge-ventilation cap~disposed below the ridgetiles, said cap being provided with single ducts which are disposed in a line in longitudinal direction to the roof one behind the other, which are with their front sided muzzle openings open to the oppo-site roof panes and which cross the hollow space below the ridgeti-les, said single ducts being open to the flow regions of the air.
A similiar roofridge-ventilation system became known by the ~erman patent 3 023 083.
The importance of roofridge-ventilation systems on tilted roofs has been continuously increased in the last years, since the design of a roof has been decisively changed by the use of the roof region, e.g. as living space. New materials, a mcre exact productions of the materials and higher demands on the heat protection have repla-ced many rules of roof design, which have been proved in the past.
In former days, for example, the good ventilation~of a roof for preventing the build-up of condensate has been ensured by the bad mutual fit of the tiles. The high tiling qualitiy of today pre-ven~s, however, d mostly uncontrolled exchange of air bet~een the upper and the lower air flow. Additionally, in the past, the big volume of air of the loft under tilted~roofs unused for~ ing pur- ;~
poses could often receive the arising humidity~ In modern~roof de~
signs, the air volume which is at the hum~dlty's disposal, is de-~ , .
, 2~73~0 creased to the content of the ventilating gap between the heat in-sulation and the overlaying layer (sheet spread out under the roof, wooden lining or rain proof counter roof, respectively). Additio-nally, even on hot summer days, always a good and quick dissipation of the heat should be secured. Thus, the danger o~ local condensa-tions and of damages to the roof itsel~ caused thereby has increa-sed. Therefore, a secure dissipation of the humidity in the venti-lation gap below the tiles must always to be aimed at, and this dissipation can only sufficiently be realized by the generation of a strong air flow in the ventilation gap. This has been determined by the German industry standard (DIN) 4108.
In the known roofridge-ventilation system, the air can to a high degree flow under the ridgetiles at the windward side and can flow out at the leeward side. Air in the inner space and from the ven-tilation gap under the roofing plates can rise to the roofridge and can be carried into the open air leewardly by the air passing the roofridge region across the ridge beam.
When the air flow is directed across an inclined roof, the ridge-tile serves as breakaway edge for the air flow. Leewardly, a vacuum zone is created, into which the air from the ventilation gap, the inner space and the roofridge region flows, insofar as the crcss sections of the openings facing the vacuum zone are formed suffici-ently big and favourable. By such means, a strong air circulation is created within the ventilation gaps of the roof, which secures a good ventilation of tilted roofs.
Thus the invention is based on the aim to promote a roofridge-ven- `
tilation system of the above-mentioned type in such a way that the air flows which can be guided in the roofridge region can be still better guided and can be used for the more effective ventilation of tilted roofs.
.
::
2~73~
This aim is solved according to the invention by devices distribu-ted over the roofridge-ventilation cap, which devices resist more against the air entering from the outer region than against the air flowing out to the outer region.
Thus, the roofridge-ventilation system of the invention has the essential advantage that it forms a greater resistance against the windwardly entering air than against the leewardly outflowing air.
The roofridge-ventilation cap behaves in a wide range like aerody-namical throttle systems and uses the advantages which are known from aerodynamics. The windwardly entering air does not anly form vortexes, but is also deflected in the gap between the ridgetile and the roofridge-ventilation cap; thus, a greater percentage of the air passing under the ridgetiles flows over the ridgetiles as in the customary roofridge-ventilation systems, as known from the German patent 3 023 083. By these means, the vacuum under the rid-getile is lastingly stabilized and air entering from outside into the roofridge region is effectively prevented from flowing in the ventilation gap leewardly and downwardly in the`directlcn of the gutter. In summary, the flow conditions are more sharply defined than in known roofridge-ventilation systems.
:
According to a further embodiment of the invention, the devices are formed of strips which have approximately a width conforming with the clearance of the gap between the roofing plates and the free end of the ridgetiles.
This has the advantage that the air flow over the whole length of a roof will. at its enry under the ridgetiles, be disturbed, partly form vortexes and be deflected. ~ ;
~, If the strips are, as in a further embodiment of the~invention, disposed at the roo~ing plates and/or the ridgetiles and/or the longitudinal edge of the roofridge-ventila~ion cap, they are able '-`. " ' ~ ' : ' :,,: ' . :`i .
2~73~0 by means of their angle of pitch relative to the air flow to de-flect the air more or less. The strips can be disposed firmly and stiffly and not twistably by the wind, they can, however, also be tiltably and/or shiftably supported. Thus, a variation of the angle or pitch relative to the air flow solely dependent on the pressure and the direction of the wind is possible. The pitch of the strips relative to the roof pane can also be controlled and feedback-con-trolled via auxiliary drives, e.g. electric drives by anemometers disposed on the roo~. The strips can be disposed in such a way that by means of them, the closure of the windward side gap between the longitudinal edge of the ridgetile and the roofing plate is possi-ble. In this case, the air flowing against the roofridge is comple-tely directed over the ridgetile.
The ridgetiles act for the air flow as a breakaway edge. Behind this breakaway edge, a vacuum zone is leewardly formed. Thus, the hollow space under the roofridge tiles is ventilated by this lee-ward vacuum zone only.
In case the strips are, according to a further embodiment of the invention, put together longitudinally by strip portions, it is possible to set along the length of the roof different gap widths.
This can be particularly advantagous in case the roof pane is im-pinged on by wi~ds sidewardly, non-frontally and from changing di-rections.
According to a further embodiment of the invention, the devices are formed by aerodynamic baffle members disposed in the single duct.
This has the advantage that also within a roo~ridge-ventilation cap the flow resistance against the entering air can be kept high. The baffle members are able to back and improve the effect of longitu-dinally disposed, wind-deflecting strips at the longitudinal edge of the roofridge-ventilation cap.
~73~0 Embossed formations which limit ~he single duct sidewardly can also work like baffle plates. Flat, particularly concavely formed surfa-ces and edges are disposed against the entering air. Thus, the en-tering air will be disturbed intensely. The air flowing out of the roofedge region clings to the outline of the embossed formations and flows essentially more evenly.
In a further embodiment of the invention, at positions of favoura-ble flow on the roofridge-ventilation cap, openings are provided.
This has the advantage that an air flow rising out of the ventila-tion gaps and the inner space can rise as freely as possible into the roofridge region via the roofridge-ventilation cap and flows out of the raofridge region to the vacuum zone on account of the suction.
According to a further embodiment of the invention, sealing strips facing the roofing plates are provided in the marginal area of the roofridge-ventiIation cap.
This has the advantage that the roofedge-ventilation caps tightly contact the roofing plates and a defined exchange of air takes place through and over the roofridge-ven-tilation cap.
In case a longitudinal edge with triangle-shaped cross-section is attached to the roofridge-ventilation cap, then by means of the pitch thereof relative to the air flow a breakaway of the flow and thus a first effective deflection of the wind can be caused.
Thus, the roofridge-ventilation cap of the invention meets all ex-tended demands which are requested in the scope of the roof Yenti-lation. The roofridge-ventilation cap uses the advantages of known roofridge-ventilation systems profoundly and improves these by an increased enforced ventilation.
- . . ..
2~7~a Further ad~antages are apparent 'rom the description and the enclo-sed drawings. In the same way, the above-mentioned and ~he further presented features can be used according to the invention each sin-gularly or in any combination with each other. The mentioned embo-diments are not to be deemed as final enumerations, but are exemplary.
The invention is illustrated in ~he drawings and will be further discussed by means of embodiments in the drawings. In the drawings:
fig. 1 shows a short portion of a roofridge-ventilation system according to the invention in a perspective illustration, comprising a roofridge-ventilation cap covering the clea-rance between the ridgebeam and the roofing plates;
fig. 2 shows an embodiment of a roofridge-ventilation cap of a roofridge-ventilation system according to the invention in perspective illustration, a shotrt portion of the roof-ridge-ventilation cap showing the repeatèd structural em-bossed for~ations;
fig. 3 shows a sections across the ridgebeam comprising a half of a further embodiment of a roofridge-ventilation cap;
fig. 4 shows a portion of a further embodiment of a roofridge-ven-tilation cap having baffle members, in plan view, said cap extending at both sides of a ridgebeam; and fig. 5 shows a section of a further embodiment of a roofridge-ven-tilation cap in perspective illustration.
The figures of the drawing show the subject matter of the invention partly rather diagramatically and are not to be deemed ~o scale.
The subject matter of the single figures are partly enlarged for better showing the structure thereof.
:
. " , ~73~
In fig. 1, a short section of a roofridse-ventilation system having a roofridge-ventilation cap 1 is shown. The roofridge-ventilation cap rests on one hand on a ridgebeam 2 shown in the figure and is fixed thereat, on the other hand, it rests with the longitudinal edge 3 on the surface of roofing plates. The roofridge-ventilation cap 1 covers the clearance between the rldgebeam 2 and the roofing plates. Such a clearance is formed on both sides of the ridgebeam 2. In fig. 1, however, only a short portion on one side of a tilted roof is shown.
The roofridge-ventilation cap 1 is covered by ridgetiles 4 which are attached to the ridgebeam 2 by means of ridgeclamps 5. They rest with a formation 6 against the roofridge-ventilation cap 1 and push ~hat cap against the roofing plates. Under the longitudinal edge 3, a sealing strip can be attached to the roofridge-ventilati-on cap 1, which has to fill the gaps between the longitudinal edge 3 and the roofing plates. The ridgetiles 4 are always disposed in relation to the roofridge-ventilation cap 1 in such a way that be-tween the roofridge-ven tilation cap 1 and the ridgetiles 4, a gap 7 is formed in the zone of the longitudinal edges thereof. There al~Yays exists a distance between the ridgetiles 4 and the roofrid-ge-ventilation cap 1; the tile only rests by means of the formation 6 directly against the roofridge-ventilation cap 1.
The roofridge-ventilation cap 1 comprises in its central region em-bossed formations 11 which are provided in their walls with open-ings 12. The embossed formations 11 are spaced in longitudinal di-rection from each other in such a way that valleys are formed be-tween the embossed formations 11. Starting from the base of the embossed formations 11, the roofridge ven~ilation cap 1 extends slightly rising to an edge 13. At the edge 13, a steeply ~alling surface portion 14 follows, which preferably is concavely formed.
At the end of the surface portion 14, a ledge 15 is formed, which has a triangle-shaped cross-section. The end of the surface portion 14 conforms in this embodiment with the longitudinal edge 3~
; . . .-. ~ ~
. - :.... ~ . -.
~73~0 By means of the e~bossed formations 11 spaced fro~ each other, atthe roofridge-ventilation cap 1 single ducts 16 are formed which ducts can have baffle members 17 at ~heir base. The baffle members 17 are disposed at the roofridge-ventilation cap 1 in such a way that they run in a continuous outline in the direction of the rid-gebeam withoutbeing diverted and merge into the surface of the roofridge-ventilation cap. Facing the longitudinal edge 3 of the roofridge-ventilation cap 1, the baffle members 17 are formed as precipitously rising surfaces which, when impinged by an air flow, form a greater resistance against the air than the surfaces of the flow or baffle members 17 impinged on the airflow and facing the ridgebeam.
As outer region is deemed to be the surrounding of an inclined roof facing outwards to the atmosphere.
In case air flows from the outer region in the direction of an arrow 21 to the roofridge region, the air can, on one hand, flow into the gap 7, and on the other hand, parts of the flow will be deflected in the direction of an arrow 22. This portion of the air flow flows windwardly over the ridgetiles 4. Further, portions of the flow are deflected in the direction of an arrow 23, as shown in phantom lines in fig. 1. This deTlected flow contributes to the fact that parts of the air flowing continuously in the direction of the arrow 21 will be additionally deflected in the direction of the arrow 22. Additionally, the surface portion 14 offers as an aero-dynamically formed baffle pla~e, against an extensive resistance to the flo~ in the direction of the arrow 21, which resistance is also able to deflect the flow.
Together with the structural formation of the roofridge-ventilation cap 1 in har~ony with the ridgetiles 4 and also ledge 15 which con-tributes as so-called "spoiler" also to the disturbance of the flow coming from the direction of the arrow 21, there results a roofrid-; . ~ , . .. .
9 2~73~
ge-ventilation system which guides the flow on the wi~dward side preferably over the roof and prevents in high degree air from the outer region passing through the gap 7 between the roofridge-venti-lation cap `1 and the inner side of the ridgetiles 4 without hin- -drance. Therefore, on the leeward side there is formed a very sta-ble vacuum zone which effects a suction by which stale air ~rom the inner space of the roof and the ventilation gaps is passed in the direction of the arrow 25 through the openings 12 and is guided lee~ardly out of the roofridge region.
Fig. 2 shows a further embodiment of a roofridge-ventilation cap 30 which is particularly adapted for deflecting the air which flows windwardly into the roofridge region, disturbing this air and re-sisting against this air by a high resistance. In fig. 2, also only a short portion of a roofridge-ventilation cap 30 is sho~n in per-spective illustration. This portion shows the central essential em-bodiments of this roofridge-ventilation cap 30. The structures are repeated and are also formed on the other side of the ridgebeam 31.
With a portion 32, the roofridge-ventilation cap 30 rests via a sealing strip 33 on the surface of roofing plates. A face 32' which is tilted relative to the passing air acts as a wind repellent. The sealing strip 33 can be made of foamed plastics materials or can also be made of easily formable, U~-proof material, for example roc~ wool. A central portion 34 is connected to the portion 32 and has formed thereon embossed formations 35. The embossed formations 35 are structurally formed in such a way that they strongly dist~rb the air entering from the outer region, on one hand, and practical-ly do not disturb the air flowing out from the inner region, on the other hand. The side faces are inclined relative to the surface against which the flow from the direction of an arrow 36 impinges.
The side faces have a pitch of 10 to 15 relative to the vertical side face. The direction of the arrow 36 is shown in the figure by phantom lines, which arrow is intended to show in an exemplary way how the air from the outer region is deflected or disturbed, respectively.
. . . . . . .
- . . . : . ~ .
.
. : , : ~ , . . .
: ~ .
lo-73~0 Via openings 38 ~hich are surrounded by a projecting rim 38', the air from the inner space OT the roof or from the ventilation gaps under the roofing plates, respectively, can flow in the roofridge region under the ridgetiles. This air then flows over a portion 39, as far as the air impinges in the direction of the arrow 36 against the roof, and flows leewardly out from the roofridge region. Via the portion 39, the roofridge-ventilation cap 30 is attached to the ricgebeam 31, Adjacent to the openings 38 supports 38" are dispo-sed, which effectively prevent the ridgetiles from resting on the portion 39.
Fig. 3 shows a part of a roofridge-ventilation cap 40 in cross-sec-tional view. In the figure, only a part of the roofridge-ventilati-on cap 40 is shown, and represented as extending to the roofing plates on one side of a ridgebeam 41. The same arrangement of the roofridge-ventilation cap 40 is present extending to the other roof pane. The roofridge-ventilation cap 40 rests on on one side on the ridgebeam 41 and presses over sealing strips 42 against rooring plates. The sealing strip 42 seals the roofridge-`ventilation cap 40 relative to the roofing plates and fills completely the valleys and spaces between the roofing plates. The roofridge-ventilation cap 40 is covered by a ridgetile 43 which is partly shown in the figure and which extends with its free end over the roofridge-ventilation cap 40. Thus, the roofridge-ventilation cap 40 is completely cove-red and cannot be seen from below.
The roofridge-ventilation cap 40 comprises similiar embossed for-mations 44 as they are shown in fig. 2. The embossed formations 44 serve as supports for the ridgetiles 43. Further, the ridgetiles 43 are, for example, fixed via ridgeclamps at the ridgebeam 41. The ridgetiles 43 are disposed relative to the roofridge-ventilation cap 40 in such a way that a gap 45 is formed at the longitudinal edge between the roofridge-ventilation cap 40 and the ridgetiles 43, onto which gap an air flow in the direction of an arrow 46 can impinge.
~' - .
2~7~
A strip 48 is put against longitudinal ed~e 47 of the roofridge-ventilation cap 40, which strip is connected via a joint 49 with the roofridge-ventilation cap 40. The strip 48 extends with its free end 51 over the longitudinal edge 47 and is by means of an air flo~ (the direction of the arrow 52 in phantom lines) tiltable into a position 53. The strip 48 in the position 53 is also shown in phantom lines.
In case the air flow presses the strip 48 into the position 53, the gap 45 be~ween the ridgetiles 43 and the roofridge-ventilation cap 40 is closed. The air flowing windwardly into the roofridge region is completely deflected and flows then in the direction of the arrow 54 over the ridgetiles 43. By these means, in the roofridge region, on the leeward side is a stable region of vacuum built up and the stale air which flows through openings 55 having an edge 5~' into the space between the roofridge-ventilation cap 40 and the lower side of the ridgetiles can, because of the suction, flow in the direction of the arrows 56 and 57 and escape leewardly from the roofridge region. An additional support 58 prevènts the ridgetiles 43 from resting on the ridgebeam 41.
The strips 48 can on the side facing the longitudinal edge 47 be covered with a sound absorbing layer and are in this embodiment disposed in such a way that they rest during calm always on the longitudinal edge 47 on account of their own weight. During calm or during a vacuum in this region, the strips 48 at both sides of the roof panes always rest on the relating longitudinal edges 47. Air flo~ing via the openings 55 into the space bet~een the ridgetile and the roofridge-ventilation cap 40 can escape via the gap 45 into the surrounding. The strips 48 can be very short and can be atta-ched to the roofridge-ventilation cap by means of joints which are independent of each other; thus, in the case of different wind di-rections, the strips 48 are only par~ly pushed into the position 53.
. . . : .~
.
.
2~3~a Fig. 3a shows in a ~urther embodiment a strip 90 which can be pivo-tally attached to a ridgetile 91. Air entering in the direction of an arrow 92 presses the strip 90 into a position 93 shown in broken lines. The free end 94 rests in a deflected condition onto a pro-jection 95 and closes a gap 36, which is always created when the strip 90 freely hangs downwardly on account of its own weight.
Fig. 4 shows in plan view a further embodiment of a roofridge-ven-tilation cap 60. The illustration shows the roofridge-ventilation cap 60 extending on both sides of a ridgebeam 61. The roofridge-~entilation cap 60 rests with a portion 62 to the ridgebeam 61 and is via this portion 62 attached to the ridgebeam 61.
To the portion 62 adjoin at both longitudinal sides portions 63 and 64, which finish off breadthwise the roofridge-ventilation cap 60 with a portion 65. Air flows in the directions of arrows 66 and 67 can impinge on the roofridge-ventilation cap 60.
The roofridge-ventilation cap 60 rests via the portions 65 on the roofing plates of the relating roof pane. Baffle members 69 are provided between embossed formations 68, which are disposed in the portions 63 and 64. The baffle members 69 can e.g. be triangle-shaped members facing with their petering and tapering side surface the-ridgebeam and facing with a mostly vertically or rectangularly directed, abruptly ris`ing surface the portion 65. Openings 70 to the inner space of the roof or the ventilation gaps, respectively, are further provided in the portion 63, through which the air can !
pass ~ia the roofridge-ventilation cap 60 through single ducts 71 to the outer region. The openings 70 comprise a rim 70' facing the under side of the ridgetiles~ To the openings 70 adjoin supports 70`' facing the ridgebeam 61, which supports ensure that the ridge-tile is always spaced with its under side to the portion 65.
~. .
Fig. S shows a further example of a partion af a roofridge-Yentila-` ~ ' ~. ..., ... .:, ; , . ~
- , , ~
-: : .: -~ , , . . - ... . . : ~ . . .. , :
~ ~ ~ `
- 2~73~0 tion cap 75, which comprises embossed formations 76. The embossed formations 76 extend essentially in the central area of the roof-ridge-~entilation cap 75 and have side faces which are sawtooth-shaped in such a way that they resist air flowing from the outer region in the direction of an arrow 77 by a broadfacing resistance, whereas to the air arriving from the inner space or from the oppo-site roof pane and flowing in the direction of an arrow 78 only surfaces are those opposed which extend continually slanting. To air flowing in the direction of the arrow 77 there opposes a sur-face 79 as an aerodynamically formed baffle surface being part of a member 80. By means of the member 80, air arriving from the direc-tion of the arrow 77 is deflected, disturbed, formed to vortices and mostly guided over the ridgetiles. Between the embossed forma-tions 76, openings 81 are provided connecting the inner space of the roof or the ventilation gaps, respectively, with the hollow space between the roofridge-ventilation cap 75 and the under side of the ridgetile. Below the member 80, a sealing strip 82 is for-med, Vi2 which the roofridge-ventilation cap 75 rests on the roofing plates. The aerodynamic disturbing surfac`e or baffle sur-face is formed by the face of the member 80 and the sealing strip 82.
The embossed formations have a triangular cross-section and sup-ports 83 facing the ridgebeam.
.
Claims (10)
1. Roofridge-ventilation system on roofs, having a roofridge-ven-tilation cap (1; 30; 40; 60; 75) disposed below the ridgetiles (4;
43), said cap being provided with single ducts (17; 71) which are disposed in a line in longitudinal direction to the roof one behind the other, and which are with their front sided muzzle openings open to the opposite roof panes and which cross the hollow space below the ridgetiles (4; 43), said single ducts being open to the flow regions of the air, characterized in that devices are provided which are distributed over the roofridge-ventilation caps (1; 30;
40; 60; 75), which devices offer stronger resistance to the air entering from the outer region than the air flowing out to the outer region.
43), said cap being provided with single ducts (17; 71) which are disposed in a line in longitudinal direction to the roof one behind the other, and which are with their front sided muzzle openings open to the opposite roof panes and which cross the hollow space below the ridgetiles (4; 43), said single ducts being open to the flow regions of the air, characterized in that devices are provided which are distributed over the roofridge-ventilation caps (1; 30;
40; 60; 75), which devices offer stronger resistance to the air entering from the outer region than the air flowing out to the outer region.
2. Roofridge-ventilation system as claimed in claim 1, characteri-zed in that the devices are formed of strips (48) which have ap-proximately a width conforming with the clearance of a gap (7; 45) between the roofing plates and the free end of the ridgetiles (4;
43).
43).
3. Roofridge-ventilation system as claimed in claim 2, characteri-zed in that the strips (48) are disposed on the roofing plates and/
or the ridgetiles (4; 43) and/or the longitudinal edge of the roof-ridge-ventilation cap (1; 30; 40; 60; 75).
or the ridgetiles (4; 43) and/or the longitudinal edge of the roof-ridge-ventilation cap (1; 30; 40; 60; 75).
4. Roofridge-ventilation system as claimed in claim 2 or 3, cha-racterized in that the strips (48) are tiltable or shiftable.
5. Roofridge-ventilation system as claimed in one of the claims 2 to 4, characterized in that the strips (48) are put together longi-tudinally by strip portions.
6. Roofridge-ventilation system as claimed in one of the claims 1 to 5, characterized in that the devices are baffle members (17; 69) which are disposed in the region of the single ducts.
7. Roofridge-ventilation system as claimed in one of the claims 1 to 6, characterized in that the devices are embossed formations (11; 35; 44; 48) sidewardly limiting the single ducts (16; 71).
8. Roofridge-ventilation system as claimed in claim 7, characteri-zed in that openings (12; 55; 70; 81) are provided at positions of the roofridge-ventilation cap (1; 30; 40; 60; 75), which are fa-vourable to flow.
9. Roofridge-ventilation system as claimed in one of the claims 1 to 8, characterized in that sealing strips (33; 42; 82) are provi-ded in the marginal area of the roofridge-ventilation cap (1; 30;
40; 60; 75), which face the roofing plates.
40; 60; 75), which face the roofing plates.
10. Roofridge-ventilation system as claimed in one of the claims 1 to 9, characterized in that the roofridge-ventilation cap (1) com-prises a ledge (15) having a triangular cross-section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3933972.6 | 1989-10-11 | ||
| DE3933972A DE3933972A1 (en) | 1989-10-11 | 1989-10-11 | FIRST VENTILATION |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2067360A1 true CA2067360A1 (en) | 1991-04-12 |
Family
ID=6391282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002067360A Abandoned CA2067360A1 (en) | 1989-10-11 | 1990-10-06 | Roofridge-ventilation system |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0495805B1 (en) |
| JP (1) | JPH07502084A (en) |
| AT (1) | ATE181583T1 (en) |
| CA (1) | CA2067360A1 (en) |
| CS (1) | CS494990A3 (en) |
| DE (2) | DE3933972A1 (en) |
| FI (1) | FI921623L (en) |
| HU (1) | HUT60810A (en) |
| WO (1) | WO1991005927A1 (en) |
| YU (1) | YU47835B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2425319A (en) * | 2005-04-22 | 2006-10-25 | Burnden Holdings | Vented ridge assembly preventing rain ingress into conservatory |
| US10233650B2 (en) | 2015-01-12 | 2019-03-19 | Lomanco, Inc. | Roof vent |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9013108U1 (en) * | 1990-09-14 | 1990-11-15 | Norm A.M.C. AG, Erstfeld, Uri | Ventilation cap for rear ventilation of roofs in the ridge area |
| EP0668414A1 (en) * | 1994-02-18 | 1995-08-23 | Norm A.M.C. Ag | Ventilating trim |
| GB2423814B (en) * | 2005-02-10 | 2010-07-28 | Conseils Etudes Et Recherches En Gestion De Lair Cerga | Roof ridge ventilation outlet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8416540U1 (en) * | 1984-09-06 | Knoche, Alfons, 5758 Fröndenberg | Ridge ventilation on roofs | |
| DE1295788B (en) * | 1964-01-13 | 1969-05-22 | Eternit Ag | Ridge vent |
| DE3806683A1 (en) * | 1988-03-02 | 1989-09-14 | Kloeber Johannes | FIRST STRIP |
| DE58902591D1 (en) * | 1988-04-13 | 1992-12-10 | Norm Amc Ag | Firstentlueftungssystem. |
| DE3829408C2 (en) * | 1988-08-30 | 1996-09-05 | Norm Amc Ag | Device for rear ventilation of roofs |
-
1989
- 1989-10-11 DE DE3933972A patent/DE3933972A1/en not_active Withdrawn
-
1990
- 1990-10-06 JP JP2513536A patent/JPH07502084A/en active Pending
- 1990-10-06 CA CA002067360A patent/CA2067360A1/en not_active Abandoned
- 1990-10-06 EP EP90914506A patent/EP0495805B1/en not_active Expired - Lifetime
- 1990-10-06 HU HU9201244A patent/HUT60810A/en unknown
- 1990-10-06 FI FI921623A patent/FI921623L/en not_active Application Discontinuation
- 1990-10-06 WO PCT/DE1990/000765 patent/WO1991005927A1/en active IP Right Grant
- 1990-10-06 AT AT90914506T patent/ATE181583T1/en not_active IP Right Cessation
- 1990-10-06 DE DE59010874T patent/DE59010874D1/en not_active Expired - Fee Related
- 1990-10-10 YU YU190590A patent/YU47835B/en unknown
- 1990-10-11 CS CS904949A patent/CS494990A3/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2425319A (en) * | 2005-04-22 | 2006-10-25 | Burnden Holdings | Vented ridge assembly preventing rain ingress into conservatory |
| US10233650B2 (en) | 2015-01-12 | 2019-03-19 | Lomanco, Inc. | Roof vent |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0495805A1 (en) | 1992-07-29 |
| HU9201244D0 (en) | 1992-08-28 |
| HUT60810A (en) | 1992-10-28 |
| DE3933972A1 (en) | 1991-04-18 |
| YU47835B (en) | 1996-01-09 |
| FI921623A7 (en) | 1992-04-10 |
| FI921623A0 (en) | 1992-04-10 |
| CS494990A3 (en) | 1992-09-16 |
| JPH07502084A (en) | 1995-03-02 |
| YU190590A (en) | 1994-06-10 |
| WO1991005927A1 (en) | 1991-05-02 |
| FI921623L (en) | 1992-04-10 |
| EP0495805B1 (en) | 1999-06-23 |
| DE59010874D1 (en) | 1999-07-29 |
| ATE181583T1 (en) | 1999-07-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |