WO1981002176A1 - Method and means for recuding the heat consumption in a building or the like - Google Patents
Method and means for recuding the heat consumption in a building or the like Download PDFInfo
- Publication number
- WO1981002176A1 WO1981002176A1 PCT/SE1981/000010 SE8100010W WO8102176A1 WO 1981002176 A1 WO1981002176 A1 WO 1981002176A1 SE 8100010 W SE8100010 W SE 8100010W WO 8102176 A1 WO8102176 A1 WO 8102176A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wind
- building
- screens
- air
- wind screens
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 12
- 238000009423 ventilation Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 210000000481 breast Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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
- E04B1/92—Protection against other undesired influences or dangers
-
- 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
-
- 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
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
Definitions
- the present invention relates to a method for reducing the heat consumption in a building or the like.
- the invention also relates to a device for carrying out the method.
- the invention is based on recognition of the fact that the wind not only gives rise to a "draught" in the house and so increases ventilation losses and leakages of air, but also to a high degree influences the transmission losses through the walls and roof of the house; thus the technical design of the building alone is not decisive for the magnitude of the trans ⁇ mission losses.
- a flow of heat from the various sur- faces of the house to the surrounding air takes place through convection as soon as the surfaces acquire a higher temperature than the air outside.
- the transfer of heat through walls and roof is the greater, the greater the difference in temperature, and a convec- tion stream develops at the outside of the walls and roof, the velocity of which increases as the difference in temperature increases.
- the air close to the surfaces of the house moves more quickly, with increasing wind, than the natural convection occurring as stated above, and thus the transmission losses also increase notice ⁇ ably since the outer layer of heated air which, in calm weather, is immediately next to the external surface of the house and provides an increased resistance to heat transfer, is swept away more or less quickly by the stream of air passing along the surface with the result that the transmission losses increase.
- stationary air con ⁇ stitutes an excellent heat insulating material, and it is therefore important that as thick a layer of air as possible can be disposed round heated or cooled build ⁇ ings to reduce the transmission losses.
- this stationary or rela ⁇ tively stationary layer of air it is not necessary for this stationary or rela ⁇ tively stationary layer of air to be built into the envelope of the building.
- the layer of air produces a better effect externally of the envelope, since the valuable irradiation of solar energy is not prevented when stationary air is not enclosed in another material, for example glass wool, plastics, etc., as when the envelope of a building is insulated in traditional manner, the irradiation being excluded to the extent that the insulation is increased. This is particularly obvious in connection with greenhouses.
- the method according to the invention for reducing the heat consumption in a building or the like, particularly in a dwelling house has obtained the features appearing from claim 1.
- the invention also relates to means for carrying out the method in accordance with claim 3.
- both these previously known means relate to the application of screens to specific roof constructions in order to reduce the dynamic effect of the wind on the roof construction.
- the thermal effect of the wind has not been taken into consideration by these proposals and no means have been suggested of reducing the heat con ⁇ sumption in buildings or the like through influence on this thermal effect.
- FIG. 1 is a graph which shows the heat consumption in a house
- FIG. 2 is a diagrammatic elevational view of a house, illustrating the streams of air caused by the wind round the house,
- FIG. 3 is a view, corresponding to FIG. 2, with wind screens mounted on the roof to reduce the thermal effect of the wind on the energy con ⁇ sumption in the house,
- FIG. 4 is a diagrammatic perspective view of a house with wind screens mounted, according to the invention, both on the roof and on the fa ⁇ ades,
- FIG. 5 is a diagrammatic plan view of a number of houses, illustrating the streams of air and a further embodiment of the means according to the invention
- FIG. 6 is a diagrammatic perspective view of a greenhouse, illustrating the streams of air over the roof of the greenhouse,
- FIG. 7 is a partial perspective view of the green ⁇ house in FIG: 6 provided with means for using the method according to the invention
- FIG. 8 is an enlarged end view of part of the greenhouse in FIG. 7,
- FIG. 9 is a partial diagrammatic view similar to that in FIG. 8, illustrating a modified embodiment of the means according to the invention.
- FIG. 10 is a partial diagrammatic plan view of the means in FIG. 9,
- FIG. 11 is a diagrammatic plan view of a plurality of cylindrical oil storage tanks
- FIG. 12 is a side view of an individual oil storage tank provided with a device for using the method according to the invention
- FIG. 13 is a plan view of the oil storage tank in FIG. 12
- FIG. 14 is a broken elevational view of a construc ⁇ tional embodiment of a wind screen
- FIG. 15 is a cross-sectional view of one of the poles of the wind screen in FIG. 14.
- this energy loss depends not only on the prevailing difference in temperature but also on whether it is more or less windy, which is illustrated in the graph by a number of dot and dash lines 1 - 10 above the line B, where the figures on the respective lines indicate the wind speed occurring in m/s.
- ⁇ T is the difference between the outside and inside temperatures in °C V is the wind speed in m/s A is a constant Q is the heat loss in kWh/24h
- the energy losses due to the wind consist mainly of the transmission losses due to the wind.
- the energy loss due to the wind constitutes such a significant part of the total energy consumption at every existing difference in temperature ⁇ T that it appears more than well motivated to attack this part of the energy consumption and to try to reduce it, which can be done, by using the present invention, at invest ⁇ ment costs which are insignificant in relation to the result.
- FIG. 2 shows the ai movements at a building 11 when the direction of the wind is that which is indicated by means of the large arrow 12.
- the windy side that is to say the right-hand side of the building as seen in FIG. 2
- an excess pressure develops which leads to increased wind speed round the building but particularly over the roof of the building.
- the left-hand side in FIG. 2 a reduced pressure develops ' . It is very difficult to seal a building when these differences in pressure prevail. The consequence is that great ventilation losses occur as well as great air leakage in the form of unintent onal ventilation, which increases with the wind speed.
- the flow of air can be influenced to reduce the transmission losses due to the wind and at the same time also the ventilation losses and the air leakage, by fitting wind screens in the manner shown in FIG. 3.
- Two wind screens 13 and 14 are mounted on the roof of the building.
- the excess pressure at the windy side is not influenced by the wind screens but on the other hand the reduced pressure at the lee side will be considerably lower by the wind speed being influenced by the two wind screens 13 and 14 located at a high level. If the wind screens are assumed to have a porosity of about 50 % » the wind speed drops on passage through the first wind screen 13 by about 50 % and on passage through the second wind screen 14 the already reduced wind speed drops to 25 % of the speed of the free wind.
- the wind screens 13 and 14 may consist of wind nets of one of the types available on the market.
- wind nets of textile material such as Ritza 6508, which are manufactured by Messrs. Julius Koch, Copen ⁇ hagen, Denmark, can be fixed substantially vertically between poles or in frames, but it is also possible to provide nets or gratings of metal as wind screens.
- the effect of the wind screen, the so-called lee effect, which can be designated by r is defined by the relationship
- V the speed of the free wind in m/s
- Vr the speed of the wind behind the wind screen in m/s.
- the lee effect is expressed in percentage of the speed of the free wind by this relationship.
- a further improvement in the effect of the wind screen with regard to saving heating energy can be achieved by providing the building with further wind screens as shown in FIG. 4.
- a rectangular wind screen 18 is disposed on the roof of the building while the two fa ⁇ ades are provided with both horizontal wind screens 19 and vertical wind screens 20, which project substantially at right angles from the fa ⁇ ades.
- the gables can also be provided with wind screens in a corresponding manner. Regardless of the direction from which the wind blows, a considerable reduction in the speed of the wind is obtained by this arrangement at the external surfaces of the building and hence a reduction in the transmission losses.
- FIG. 5 shows another situation where lee zones are brought about by means of wind screens.
- Three buildings 21 , 22 and 23 are shown in the figure.
- the building 21 is not provided with wind screens and air movements occur in traditional manner with increasing wind speed and turbulent flow towards the buildings 21 and 22, as indicated by means of the arrows.
- Such flow demands much energy since the heated layer of air close to the external surfaces of the buildings is blown away with the result that the resistance to heat transfer is reduced and the transmission losses increase.
- the building 22, which lies in the extension of the build ⁇ ing 21, is exposed to the increased wind speed which develops along the fa ⁇ ade on the building 21 and there ⁇ fore suffers severely.
- the building 23 has been provided with wind screens 25, 26 and 27 which project substantially at right angles from the fa ⁇ ade of the building 23 spaced in the longitudinal direction of the fa ⁇ ade.
- Suitable securing points for the wind screens are the side members of balconies since the screens then reach out to the maximum from the fa ⁇ ade and the lee zones are then larger.
- the three wind screens provide lee zones 28, 29 and 30, the outer limit of which is indi ⁇ cated by a dot and dash line 31.
- the wind speed will be reduced along the fa ⁇ ade of the building 23 by means of the three wind screens so that the building 22 in the extension of the building 23 is not affected by increasing wind speed and heat losses associated therewith.
- all the buildings in FIG. 5 can be provided with wind screens in the manner shown in FIGS. 3 and 4.
- Greenhouses or hothouses in particular require large amounts of energy in a cold climate, and this energy must be supplied via a heating system during a large part of the year when the solar radiation is not sufficiently intense to maintain the necessary temperature in the greenhouse.
- Wind screens to create lee zones are then very useful, particularly as green ⁇ houses have a very poor K value.
- wind screens of vegetation are used, but artificial wind screens also occur which are then anchored in the ground at a certain distance from the actual greenhouse or block of greenhouses. The distance must be ample so that the wind screens do not hamper the solar radiation.
- the disadvantages of wind screens which are anchored in the ground are several: the height of the construction is considerable, the maximum moment at the plane of the ground is great, and in consequence of this the costs are relatively high per kWh saved.
- FIG. 6 shows a block of greenhouses of a type which commonly occurs (Venlo). Greenhouses of this type have pitched roofs, and when a plurality of greenhouses are arranged in a block in :the manner shown in FIG. 6, valleys 33 are formed between adjacent pitched roofs 34, and the flows of air are channelled into these valleys and sweep through these as illustrated by the arrows in FIG. 6.
- FIGS. 7 and 8 show how the invention can be used on a block of greenhouses of the type shown in FIG. 6.
- Triangular wind screens 32 are provided in the valleys 33 between adjacent pitched roofs 34 and prevent the air movements through the valleys from sweeping away the heated layer of air close to the external surfaces of the pitched roofs.
- the wind screens are relatively small ' and they can be offset somewhat in relation to one another in adjacent valleys, as shown in FIG. 7, so as to hamper the solar radiation in the- greenhouse to a lesser extent.
- Each wind screen pre ⁇ ferably reduces the wind speed by about 50 % so that the air in the valleys becomes almost stationary, after the wind has passed a sufficient number of screens.
- Wind screens can be disposed and fitted in the manner shown in FIGS. 7 and 8 also on other buildings with pitched roofs than greenhouses, for example on the roof of an industrial building provided with skylights.
- the ve ry small wind screens 32 when applied to greenhouses for example, can be made pivotable so as to be able to follow the progress of the sun and so that there may be as little loss of irradiated solar energy as possible.
- FIGS. 9 and 10 show such a construction.
- the wind screens 32' are pivotally mounted by means of a bearing arrangement 35 at the bottom of the valley 33 between two adjacent pitched roofs 34 for pivoting about a substantially vertical axis.
- the wind screen 32' can be adjusted in different positions accord ⁇ ing to the incident solar radiation so that the wind screen shades the inside of the greenhouse as little as possible. If it is assumed that the northerly direction is that indicated by an arrow 36 in FIG. 10, the wind screen 32' is adjusted in an east-west direction in the morning at 6 o'clock, and this position is designated by I in FIG. 10. The wind screen is then turned in clock ⁇ wise direction with respect to FIG.
- the wind screen can easily be adjusted automatically by means of a time-controlled servo device.
- the wind screens 32' are supple ⁇ mented by further wind screens 37 on the ridges of the pitched roofs 34 and have portions which extend down with decreasing height along the surfaces of the pitched roof.
- the wind screens 37 are mounted stationary since they are considerably smaller than the wind screen 32' and cause insignificant shading inside the greenhouse.
- the optimum spacing between the wind screens is 4 - 6 times the height of the wind screens as measured from the lowest point in the valley between the pitched roofs to the upper edge of the wind screen.
- a building or the like does not only refer to conventional houses with heating but also to other constructions which are not buildings in the actual sense but with which it is nevertheless of interest to save thermal energy taking into consideration the thermal effect of the wind.
- Examples of such constructions are storage tanks for heavy oil which is kept heated in the storage tanks.
- FIG. 11 to which reference is now made, there is shown a row of cylindrical oil storage tanks 38.
- FIG. 11 shows a row of cylindrical oil storage tanks 38.
- FIGS. 12 and 13 show how the invention is applied to a storage tank to reduce the transmission losses due to the wind.
- Wind screens 40 are disposed with a spacing of 90° on the cylindrical wall of the storage tank and project radially therefrom, while a wind screen 41 is disposed round the roof of the storage tank along its periphery.
- the speed of the wind which sweeps round the oil storage tank is successively reduced as the wind passes through the wind screens 40 as indicated by the arrows in FIG. 13.
- the wind screen 41 reduces the speed of the wind which blows over the roof of the oil storage tank.
- the wind screens may consist of wind nets of textile or metal material which are fixed between poles or are mounted in frames. It would not involve any great difficulty for an average designer
- FIGS. 14 and 15 A wind net 42 of the Ritza type previously mentioned is fixed between two poles 43 which are here shown as having hollow sections.
- the poles have a base plate 44 at one end and are secured by means of bolts 45, which go through the base plate, to the building 46 on which the wind screen is mounted. At the other end, the pole is closed by means of an end cover 47.
- the wind net 42 is fixed to the poles by means of a rail 48 which is fixed to the pole by means of screws 49, the wind net being gripped between rail and pole. Since the wind net 42 and hence the poles 43 are exposed to heavy loading in a strong wind, it may be necessary to brace the poles 43.
- a similar securing of the wind net can be used when the wind net is secured in a frame, as is necessary for wind screens on buildings with pitched roofs as shown in FIGS. 7 - 10. It is also possible to provide gratings which are stiff in themselves, or perforated discs or plates as wind screens.
- the wind screens according to the invention may also be included in the actual building construction. For example, balconies can be given such a shape and be made of a material which transmits air so that they form wind screens and provide suitable lee zones along the fa ⁇ ade of the building. Also in the restoration of high dwelling houses in particular, the method of combining balcony construction with wind screens can be successful.
- Reducing the energy losses due to wind by using the invention means that the saving in energy can be made in the cheapest manner, since the investment which is required to fit the wind screens is low in relation to the amount of energy saved as a result. It is a further advantage of the invention that it can be used at the same cost in existing buildings as in new pro ⁇ duction. In many cases, the wind screens can be inte ⁇ grated with the architectural design of a building.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Building Environments (AREA)
- Greenhouses (AREA)
- Wind Motors (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Central Heating Systems (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19818125358U DE8125358U1 (en) | 1980-01-22 | 1981-01-19 | WALL OR ROOF ELEMENT TO REDUCE HEAT CONSUMPTION IN A BUILDING |
DE813134404T DE3134404T1 (en) | 1980-01-22 | 1981-01-19 | METHOD AND MEANS FOR RECUDING THE HEAT CONSUMPTION IN A BUILDING OR THE LIKE |
NO81813175A NO160016C (en) | 1980-01-22 | 1981-09-17 | PROCEDURE AND DEVICE FOR REDUCING HEAT CONSUMPTION IN A BUILDING OR LIKE. |
DK418181A DK152995C (en) | 1980-01-22 | 1981-09-21 | PROCEDURE FOR REDUCING HEAT CONSUMPTION IN A BUILDING AND SCREEN FOR USE IN EXERCISING THE PROCEDURE. |
FI812948A FI69895C (en) | 1980-01-22 | 1981-09-22 | SAFETY REQUIREMENTS FOR NON-BRAKING AVAILABILITY |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8000488 | 1980-01-22 | ||
SE8000488 | 1980-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1981002176A1 true WO1981002176A1 (en) | 1981-08-06 |
Family
ID=20340034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1981/000010 WO1981002176A1 (en) | 1980-01-22 | 1981-01-19 | Method and means for recuding the heat consumption in a building or the like |
Country Status (13)
Country | Link |
---|---|
US (1) | US4461129A (en) |
EP (1) | EP0044321B1 (en) |
BE (1) | BE887177A (en) |
CA (1) | CA1167228A (en) |
DE (2) | DE8125358U1 (en) |
DK (1) | DK152995C (en) |
FI (1) | FI69895C (en) |
GB (1) | GB2080854B (en) |
IE (1) | IE50766B1 (en) |
NL (1) | NL8120009A (en) |
NO (1) | NO160016C (en) |
SE (1) | SE443177B (en) |
WO (1) | WO1981002176A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATA16952002A (en) * | 2002-11-11 | 2004-06-15 | Griffner Ari | BUILDING |
US7836642B2 (en) * | 2004-07-26 | 2010-11-23 | Renscience Ip Holdings Inc. | Roof edge windscreen |
US7866095B2 (en) | 2004-09-27 | 2011-01-11 | Renscience Ip Holdings Inc. | Roof edge vortex suppressor |
US7823335B2 (en) * | 2004-12-15 | 2010-11-02 | Renscience Ip Holdings Inc. | Wall edge vortex suppressor |
US7905061B2 (en) | 2005-11-10 | 2011-03-15 | Lightning Master Corporation | Wind spoiler for roofs |
US7827739B2 (en) * | 2006-10-04 | 2010-11-09 | SkyBus, Ltd. | Wind flow body for a structure |
US9708828B2 (en) * | 2010-05-06 | 2017-07-18 | Alexey Varaksin | Methods and systems for protection from destructive dynamic vortex atmospheric structures |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2206040A (en) * | 1938-12-23 | 1940-07-02 | Ludington Charles Townsend | Building |
US2270538A (en) * | 1941-02-20 | 1942-01-20 | Ludington Charles Townsend | Building structure |
US2270537A (en) * | 1939-02-08 | 1942-01-20 | Ludington Charles Townsend | Building |
US3280524A (en) * | 1963-11-14 | 1966-10-25 | Phillips Petroleum Co | Wind breaker to prevent roof damage |
NO131399B (en) * | 1973-05-02 | 1975-02-10 | Trondhjems Papir & Papfabrik | |
US4142340A (en) * | 1977-07-11 | 1979-03-06 | Howard Milton L | Building enclosure made from standard construction unit in side walls and roof deck |
DE2317545B2 (en) * | 1973-04-07 | 1979-04-26 | Dynamit Nobel Ag, 5210 Troisdorf | Device for weakening wind suction forces on flat roofs |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1408432A (en) * | 1920-10-12 | 1922-03-07 | Everett B Arnold | Ventilating system |
US1902783A (en) * | 1929-10-25 | 1933-03-21 | Kruckenberg Franz | Side wind protection for railway systems |
US2765994A (en) * | 1953-04-29 | 1956-10-09 | Strato Port Corp Of America | Unidirectional airport |
AT246765B (en) * | 1964-03-06 | 1966-05-10 | Andreas Hans Dipl Ing Peyerl | Avalanche barriers |
GB1181074A (en) * | 1967-02-20 | 1970-02-11 | Whessoe Ltd | Improvements relating to Storage Tanks |
US3866363A (en) * | 1971-04-16 | 1975-02-18 | James R King | High energy wind dissipation adjacent buildings |
US3817009A (en) * | 1972-01-31 | 1974-06-18 | Dynamit Nobel Ag | Aero-dynamic roof |
US3828498A (en) * | 1972-10-18 | 1974-08-13 | R Jones | Method of stabilizing a comparatively flat roofed structure against wind |
US4005557A (en) * | 1973-04-07 | 1977-02-01 | Dynamit Nobel Aktiengesellschaft | Suction reduction installation for roofs |
US4193234A (en) * | 1977-02-24 | 1980-03-18 | National Research Development Corporation | Stabilizing of structures |
US4122675A (en) * | 1977-03-17 | 1978-10-31 | Jack Polyak | Solar heat supplemented convection air stack with turbine blades |
-
1981
- 1981-01-19 NL NL8120009A patent/NL8120009A/en not_active Application Discontinuation
- 1981-01-19 WO PCT/SE1981/000010 patent/WO1981002176A1/en active IP Right Grant
- 1981-01-19 DE DE19818125358U patent/DE8125358U1/en not_active Expired
- 1981-01-19 US US06/305,635 patent/US4461129A/en not_active Expired - Lifetime
- 1981-01-19 EP EP81900288A patent/EP0044321B1/en not_active Expired
- 1981-01-19 GB GB8128410A patent/GB2080854B/en not_active Expired
- 1981-01-19 DE DE813134404T patent/DE3134404T1/en active Granted
- 1981-01-21 CA CA000368947A patent/CA1167228A/en not_active Expired
- 1981-01-22 BE BE2/58969A patent/BE887177A/en unknown
- 1981-01-22 IE IE115/81A patent/IE50766B1/en unknown
- 1981-09-11 SE SE8105414A patent/SE443177B/en not_active IP Right Cessation
- 1981-09-17 NO NO81813175A patent/NO160016C/en unknown
- 1981-09-21 DK DK418181A patent/DK152995C/en not_active IP Right Cessation
- 1981-09-22 FI FI812948A patent/FI69895C/en not_active IP Right Cessation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2206040A (en) * | 1938-12-23 | 1940-07-02 | Ludington Charles Townsend | Building |
US2270537A (en) * | 1939-02-08 | 1942-01-20 | Ludington Charles Townsend | Building |
US2270538A (en) * | 1941-02-20 | 1942-01-20 | Ludington Charles Townsend | Building structure |
US3280524A (en) * | 1963-11-14 | 1966-10-25 | Phillips Petroleum Co | Wind breaker to prevent roof damage |
DE2317545B2 (en) * | 1973-04-07 | 1979-04-26 | Dynamit Nobel Ag, 5210 Troisdorf | Device for weakening wind suction forces on flat roofs |
NO131399B (en) * | 1973-05-02 | 1975-02-10 | Trondhjems Papir & Papfabrik | |
US4142340A (en) * | 1977-07-11 | 1979-03-06 | Howard Milton L | Building enclosure made from standard construction unit in side walls and roof deck |
Also Published As
Publication number | Publication date |
---|---|
FI69895C (en) | 1986-05-26 |
DK152995B (en) | 1988-06-06 |
FI69895B (en) | 1985-12-31 |
GB2080854A (en) | 1982-02-10 |
US4461129A (en) | 1984-07-24 |
NO813175L (en) | 1981-09-17 |
BE887177A (en) | 1981-05-14 |
DK152995C (en) | 1988-10-17 |
DE3134404C2 (en) | 1989-11-16 |
NO160016B (en) | 1988-11-21 |
FI812948L (en) | 1981-09-22 |
DE8125358U1 (en) | 1982-12-09 |
SE8105414L (en) | 1981-09-11 |
IE50766B1 (en) | 1986-07-09 |
DK418181A (en) | 1981-09-21 |
EP0044321B1 (en) | 1985-06-26 |
CA1167228A (en) | 1984-05-15 |
EP0044321A1 (en) | 1982-01-27 |
GB2080854B (en) | 1984-03-28 |
NL8120009A (en) | 1981-12-01 |
DE3134404T1 (en) | 1982-05-06 |
SE443177B (en) | 1986-02-17 |
NO160016C (en) | 1989-03-01 |
IE810115L (en) | 1981-07-22 |
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