WO2007032723A1 - A device for saving energy at cool keeping of a building - Google Patents

A device for saving energy at cool keeping of a building Download PDF

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Publication number
WO2007032723A1
WO2007032723A1 PCT/SE2006/001015 SE2006001015W WO2007032723A1 WO 2007032723 A1 WO2007032723 A1 WO 2007032723A1 SE 2006001015 W SE2006001015 W SE 2006001015W WO 2007032723 A1 WO2007032723 A1 WO 2007032723A1
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WO
WIPO (PCT)
Prior art keywords
thinfilm
glass pane
passageway
energy storage
building
Prior art date
Application number
PCT/SE2006/001015
Other languages
French (fr)
Inventor
Ove Platell
Original Assignee
Lowte Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lowte Ab filed Critical Lowte Ab
Publication of WO2007032723A1 publication Critical patent/WO2007032723A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E06B3/6722—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light with adjustable passage of light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/264—Combinations of lamellar blinds with roller shutters, screen windows, windows, or double panes; Lamellar blinds with special devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0052—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using the ground body or aquifers as heat storage medium
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
    • E06B2007/026—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses with air flow between panes
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/48—Variable attenuator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the present invention relates to a device for saving energy at cool keeping of a building, which is provided with windows, which in a space between an inner glass pane and an outer glass pane has a thinfilm of the type that has an adjustable light absorption, that is adjusted by an electric voltage to be connected to the thinfilm.
  • a preferably completely transparent wall of heat insulating type is positioned between the thinfilm and the inner glass pane and at a distance from the inner glass pane. In this way heat radiation from the light absorbing thinfilm in the direction towards and through the inner glass pane and, consequently, to adjacent rooms is prevented to a great extent.
  • Another object of the invention is to contribute to the energy saving by limiting the heating of the thinfilm at absorption of incident insolation.
  • This is achieved, according to a preferred embodiment of the invention, by the fact, that the heat insulating wall divides the inner space of the window into an inner passageway and an outer passageway, communicating with the inner passageway, through which a gaseous fluid, e.g. air, circulates from a cold end of a thermal energy storage through the inner passageway and the outer passageway, in which latter the circulation fluid flows along the thinfilm and absorbs heat from the thinfilm when incident insolation has heated the thinfilm to a higher temperature than the temperature of the circulation fluid, and back to a warm end of the energy storage.
  • a gaseous fluid e.g. air
  • Buildings of a type suitable for being applicable to the invention are known from e.g. EP0102987, in which sometimes also the walls, like the windows, are provided with inner and outer passageways separated by a heat insulating wall and flow through by a circulating fluid for tempering of the building, as shown in e.g. SE460731.
  • a performance like that in combination with a thermal energy storage, known per se, with a warm end and a cold end results in that in case of exterior cold a comparative low temperature of the supplied circulating fluid is required for heating of the interior of the building, viz. about 23°C, and in case of exterior heat a comparatively high temperature of the supplied circulating fluid is required for cold keeping of the building, viz. about 18 0 C.
  • a device of this known type for tempering of a building has the advantage that the energy that is required - low-exergy energy - is available to a low cost in many different ways all over the world in the form of for instance waste heat or district heating return flow, as seasonal storing of solar heat and winter chilliness, or as short time stored solar heat and night chilliness.
  • waste heat or district heating return flow as seasonal storing of solar heat and winter chilliness, or as short time stored solar heat and night chilliness.
  • the arrangement of the thinfilm in the outer passageway consequently results not only in that the window hinders or moderates the incident insolation, but also that solar heat is absorbed in the window and is supplied to an energy storage, and that the thinfilm becomes chilled and is prevented from being heated to in turn cause heating of adjacent rooms by heat radiation.
  • the thinfilm may be attached to the outer side of the heat insulating wall or the inner side of the outer glass pane. Most efficient is, however, if the thin film is located mainly in the centre plane of the outer passageway with both sides actuated by the circulation fluid.
  • At least a part of the outer passageway may of course contain a second thinfilm, that is swept by the circulation fluid, and is of the type that preferably is transparent and generates electric energy in dependence of incident insolation.
  • a thinfilm has the characteristics that the efficiency deteriorates at increased temperature, which accordingly is counteracted by the cooling effect which, as explained above, the circulation fluid exerts on the thinfilm.
  • the thermal energy storage contains a circulating liquid and comprises a first branch of a counter- current heat exchanger, through which first branch the liquid is flowing, in addition to which the counter-current heat exchanger comprises a second branch through which the gaseous fluid flows to transmit energy absorbed from the thinfilm to the warm end of the energy storage.
  • the energy storage has the ability under all circumstances to receive and deliver energy from or to, respectively, said second branch due to the fact that the energy storage contains a circulating liquid instead of gas or air.
  • the thermal energy storage is with advantage a ground storage, e.g. of the type shown in EP1483538, but may in case of small devices utilizing short term storage, e.g. between day and night, be surface located in a container filled with water and coils of piping situated in a conventional manner in different temperature zones.
  • Fig.l is cross sectional view of a thinfilm
  • Fig.2 is a vertical sectional view of an outer wall of a building with a window containing a thinfilm and a ground energy storage located under the building.
  • the thinfilm shown in Fig.l comprises a known arrangement of two outer polyester plates 1 and within those two conducting layers 2 of indium tin oxide, and farthest in a laminate 3 that brings together on one side a layer 4 of tungsten oxide and on the other side a layer 5 of nickel oxide with the laminate 3.
  • the conducting layers 2 have wires 6 with two electric connections, which at short time supply of a voltage brings the thinfilm to absorb light, that is to become darker, in dependence on the duration of the voltage.
  • the thinfilm remains in that condition until a voltage of the opposite polarity is supplied, in which case the absorption decreases, that is the thinfilm becomes lighter.
  • Fig.2 discloses an outer wall 10 of a building with a window 11 comprising an outer glass pane 12, an inner glass pane 13, and between them a transparent heat insulating wall 14, for example a gas- filled so called sealed glazing unit, which divides the space between the glass panes 12,13 in an inner passageway 15 and an outer passageway 16, which communicate through a passage at the upper edge of the wall 14.
  • a thinfilm 17 is secured between the outer glass pane 12 and the wall 14 in the centre plane of the passageway 16.
  • the passageway 15 is through a pipe 18 and the passageway 16 is through a pipe 19 connected to one of the two branches of a counter-current heat exchanger 20.
  • Air is circulated through the passageways 15 and 16 and the pipes 18 and 19 by a thermostat-controlled fan 21, which supplies the passageway 15 with air having a temperature of about 18 0 C, that is a few degrees below the desired room temperature for obtaining cool keeping in the sommer of the room inside the window.
  • the thinfilm 17 is heated by incident insolation and is then swept by a cooling flow of air, which absorbs heat and transmits the heat to the counter-current heat exchanger 20. This heat is transmitted in a manner known per se to the other branch of the heat exchanger, which branch in this example is connected to a pipe line circuit 22,23 in a ground energy storage 24 located under the building.
  • a thermostat-controlled pump 25 pumps a liquid up through the pipe line 23, which is provided with a heat insulating wrapping 26, through the heat exchanger 20, and down through the pipe line 22, which is in close contact with the ground, in which the heat transmitted from the thinfilm 17 via the heat exchanger 20 is stored.
  • the ground energy storage 24, that is shown in the drawing, is in practice only a small part of a normal ground energy storage. The full extent and the full scale operating of such a ground energy storage for tempering of a building is described more in detail in the above mentioned EP1483538.
  • Fig.2 shows the thinfilm 17 positioned in the centre plane of the outer passageway 16. As an alternative it may be attached to the inner side of the outer glass pane 12 or on the outer side of the insulation wall 14. Moreover, the thinfilm 17 in Fig.2 can be completed with a small part 30 of a thinfilm of the type, which generates an electric voltage when it is exposed to insolation. This energy can be used for various energy saving purposes, among others for driving the fan 21.

Abstract

The invention relates to a device for saving energy at cool keeping of a building , which is provided with windows ( 11 ) , which in a space between an inner glass pane (13) and an outer glass pane (13) has a thinfilm (17) of the type that has an adjustable light absorption, that is adjusted by an electric voltage that can be connected to the thinfilm. According to the invention a preferably completely transparent wall (4) made of heat insulating material is positioned between the thinfilm (17) and the inner glass pane ( 13 ) , which wall ( 14 ) decreases the heat radiation from the thinfilm and through the inner glass pane (13) to adjacent rooms.

Description

A DEVICE FOR SAVING ENERGY AT COOL KEEPING OF A BUILDING.
The present invention relates to a device for saving energy at cool keeping of a building, which is provided with windows, which in a space between an inner glass pane and an outer glass pane has a thinfilm of the type that has an adjustable light absorption, that is adjusted by an electric voltage to be connected to the thinfilm.
It is known, that in areas with warm environment temperature for the time being the incident insolation through the windows may result in a considerable temperature rise in the rooms influenced by the incident insolation. In order to lower the room temperature to a desired value, it was up to now considered necessary to use not only blinds and similar devices but also electric energy for obtaining air condition when the room temperature has increased due to incident insolation. In recent time, however, a new type of so called thinfilm has appeared, that has the property that the light absorption of the thinfilm is adjustable from about 7% to 75% in dependence of a supplied voltage. In that way the incident insolation easily can be moderated when a person is in a room, such that the the influence of the incident insolation on the heating of the room is reduced. When nobody is in a room, e.g. at holidays, vacations, etc. it is possible to adjust the thinfilm to maximum light absorption resulting in an essential reduction of the heating of the room due to incident insolation, and accordingly an essential energy saving due to unnecessary cooling of the room.
This involves, of course, that the thinfilm becomes heated to high temperatures caused by the absorption of the incident insolation. In that way, the thinfilm will radiate heat into the adjacent rooms, which reduces the advantage of the thinfilm light absorption in order to obtain saving of energy.
The use of this type of thinfilm, however, has certain advantages as compared to other known energy saving solutions. Hence, it is an object of this invention to achieve a device of the type mentioned by way of introduction with which the drawbacks mentioned above are completely or at least partly eliminated.
This is achieved, according to the invention, by the fact, that a preferably completely transparent wall of heat insulating type is positioned between the thinfilm and the inner glass pane and at a distance from the inner glass pane. In this way heat radiation from the light absorbing thinfilm in the direction towards and through the inner glass pane and, consequently, to adjacent rooms is prevented to a great extent.
Another object of the invention is to contribute to the energy saving by limiting the heating of the thinfilm at absorption of incident insolation. This is achieved, according to a preferred embodiment of the invention, by the fact, that the heat insulating wall divides the inner space of the window into an inner passageway and an outer passageway, communicating with the inner passageway, through which a gaseous fluid, e.g. air, circulates from a cold end of a thermal energy storage through the inner passageway and the outer passageway, in which latter the circulation fluid flows along the thinfilm and absorbs heat from the thinfilm when incident insolation has heated the thinfilm to a higher temperature than the temperature of the circulation fluid, and back to a warm end of the energy storage.
Buildings of a type suitable for being applicable to the invention are known from e.g. EP0102987, in which sometimes also the walls, like the windows, are provided with inner and outer passageways separated by a heat insulating wall and flow through by a circulating fluid for tempering of the building, as shown in e.g. SE460731. A performance like that in combination with a thermal energy storage, known per se, with a warm end and a cold end results in that in case of exterior cold a comparative low temperature of the supplied circulating fluid is required for heating of the interior of the building, viz. about 23°C, and in case of exterior heat a comparatively high temperature of the supplied circulating fluid is required for cold keeping of the building, viz. about 180C. A device of this known type for tempering of a building has the advantage that the energy that is required - low-exergy energy - is available to a low cost in many different ways all over the world in the form of for instance waste heat or district heating return flow, as seasonal storing of solar heat and winter chilliness, or as short time stored solar heat and night chilliness. When now a thinfilm according to the invention is arranged in the outer passageway of the window, the thinfilm becomes heated by incident insolation as soon as it starts absorbing sunlight, but a great deal of the heat is collected by cooler circulation fluid that is flowing into the outer passageway close to the thinfilm and then emits the heat to the thermal energy storage. The arrangement of the thinfilm in the outer passageway consequently results not only in that the window hinders or moderates the incident insolation, but also that solar heat is absorbed in the window and is supplied to an energy storage, and that the thinfilm becomes chilled and is prevented from being heated to in turn cause heating of adjacent rooms by heat radiation.
The thinfilm may be attached to the outer side of the heat insulating wall or the inner side of the outer glass pane. Most efficient is, however, if the thin film is located mainly in the centre plane of the outer passageway with both sides actuated by the circulation fluid.
Further, at least a part of the outer passageway may of course contain a second thinfilm, that is swept by the circulation fluid, and is of the type that preferably is transparent and generates electric energy in dependence of incident insolation. Such a thinfilm has the characteristics that the efficiency deteriorates at increased temperature, which accordingly is counteracted by the cooling effect which, as explained above, the circulation fluid exerts on the thinfilm.
An optimum energy saving is obtained with the device according to the preferred embodiment of the invention if the thermal energy storage contains a circulating liquid and comprises a first branch of a counter- current heat exchanger, through which first branch the liquid is flowing, in addition to which the counter-current heat exchanger comprises a second branch through which the gaseous fluid flows to transmit energy absorbed from the thinfilm to the warm end of the energy storage. The energy storage has the ability under all circumstances to receive and deliver energy from or to, respectively, said second branch due to the fact that the energy storage contains a circulating liquid instead of gas or air. The thermal energy storage is with advantage a ground storage, e.g. of the type shown in EP1483538, but may in case of small devices utilizing short term storage, e.g. between day and night, be surface located in a container filled with water and coils of piping situated in a conventional manner in different temperature zones.
The invention will be more completely described in the following with reference to the accompanying drawing, which schematically discloses an example of an embodiment of the invention, and in which Fig.l is cross sectional view of a thinfilm, and Fig.2 is a vertical sectional view of an outer wall of a building with a window containing a thinfilm and a ground energy storage located under the building.
The thinfilm shown in Fig.l comprises a known arrangement of two outer polyester plates 1 and within those two conducting layers 2 of indium tin oxide, and farthest in a laminate 3 that brings together on one side a layer 4 of tungsten oxide and on the other side a layer 5 of nickel oxide with the laminate 3. The conducting layers 2 have wires 6 with two electric connections, which at short time supply of a voltage brings the thinfilm to absorb light, that is to become darker, in dependence on the duration of the voltage. The thinfilm remains in that condition until a voltage of the opposite polarity is supplied, in which case the absorption decreases, that is the thinfilm becomes lighter.
Fig.2 discloses an outer wall 10 of a building with a window 11 comprising an outer glass pane 12, an inner glass pane 13, and between them a transparent heat insulating wall 14, for example a gas- filled so called sealed glazing unit, which divides the space between the glass panes 12,13 in an inner passageway 15 and an outer passageway 16, which communicate through a passage at the upper edge of the wall 14. A thinfilm 17 is secured between the outer glass pane 12 and the wall 14 in the centre plane of the passageway 16. The passageway 15 is through a pipe 18 and the passageway 16 is through a pipe 19 connected to one of the two branches of a counter-current heat exchanger 20. Air is circulated through the passageways 15 and 16 and the pipes 18 and 19 by a thermostat-controlled fan 21, which supplies the passageway 15 with air having a temperature of about 180C, that is a few degrees below the desired room temperature for obtaining cool keeping in the sommer of the room inside the window. The thinfilm 17 is heated by incident insolation and is then swept by a cooling flow of air, which absorbs heat and transmits the heat to the counter-current heat exchanger 20. This heat is transmitted in a manner known per se to the other branch of the heat exchanger, which branch in this example is connected to a pipe line circuit 22,23 in a ground energy storage 24 located under the building. A thermostat-controlled pump 25 pumps a liquid up through the pipe line 23, which is provided with a heat insulating wrapping 26, through the heat exchanger 20, and down through the pipe line 22, which is in close contact with the ground, in which the heat transmitted from the thinfilm 17 via the heat exchanger 20 is stored. The ground energy storage 24, that is shown in the drawing, is in practice only a small part of a normal ground energy storage. The full extent and the full scale operating of such a ground energy storage for tempering of a building is described more in detail in the above mentioned EP1483538.
Fig.2 shows the thinfilm 17 positioned in the centre plane of the outer passageway 16. As an alternative it may be attached to the inner side of the outer glass pane 12 or on the outer side of the insulation wall 14. Moreover, the thinfilm 17 in Fig.2 can be completed with a small part 30 of a thinfilm of the type, which generates an electric voltage when it is exposed to insolation. This energy can be used for various energy saving purposes, among others for driving the fan 21.
The invention is of course not restricted to the embodiments here shown and described but can be modified in different ways within the frame of the invention defined in the claims.

Claims

C L A I M S
1. A device for saving energy at cool keeping of a building which is provided with windows (11) , which in a space between an inner glass pane (13) and an outer glass pane (12) has a thinfilm (17) of the type that has an adjustable light absorption, that is adjusted by an electric voltage to be connected to the thinfilm, characterized in that a preferably completely transparent wall (14) made of heat insulating material is positioned between the thinfilm (17) and the inner glass pane (13) and at a distance from the inner glass pane.
2. A device according to claim 1, characterized in that the heat insulating wall (14) divides said inner space of the windows into an inner passageway (15 ) , and an outer passageway (16 ) communicating with the inner passageway, through which a gaseous fluid, e.g. air, circulates from a cold end of a thermal energy storage (20,24) through the inner passageway (15) and the outer passageway (16), in which latter the circulation fluid flows along the thinfilm (17) and absorbs heat from the thinfilm, when incident insolation has heated the thinfilm to a higher temperature than the temperature of the circulation fluid, and back to a warm end of the energy storage (20,24).
3. A device according to claim 1 or 2, characterized in that the thinfilm (17) is positioned mainly in the centre plane of the outer passageway (16) with both sides influenced of the circulation fluid.
4. A device according to any of claims 1-3, characterized in that at least a part of the outer passageway (16) between said heat insulating wall and the outer glass pane contains a second thinfilm ( 30 ) , that is swept by the circulation fluid, and is of the type, that preferably is transparent and generates electric energy in dependence of incident insolation.
5. A device according to any of claims 1-4, characterized in that the thermal energy storage (20,24) contains a circulating liquid and comprises a first branch of a counter-current heat exchanger (20), through which first branch the liquid is flowing, in addition to which the counter-current heat exchanger comprises a second branch through which the gaseous fluid flows to transmit energy absorbed from the thinfilm (17) to the warm end of the energy storage.
- o - o - o -
PCT/SE2006/001015 2005-09-16 2006-09-05 A device for saving energy at cool keeping of a building WO2007032723A1 (en)

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Application Number Priority Date Filing Date Title
SE0502050-8 2005-09-16
SE0502050A SE0502050L (en) 2005-09-16 2005-09-16 Device for energy saving when keeping a building cool

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WO2007032723A1 true WO2007032723A1 (en) 2007-03-22

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007012823A1 (en) * 2007-03-17 2008-09-18 Maasberg, Günther Device for moving sliding elements in horizontal blinds

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608557A1 (en) * 1976-03-02 1977-09-08 Adam Jakob Air vented double glazed window - has partition forming two air conducting slots with top and bottom openings
FR2481736A2 (en) * 1979-05-16 1981-11-06 Comoy Daniel Insulating window for building - uses air warmed through triple glazing passage directly or indirectly
DE3503851A1 (en) * 1985-02-05 1986-08-07 Interpane Entwicklungs- und Beratungsgesellschaft mbH & Co. KG, 3471 Lauenförde Highly transparent heat-insulation coating which appears neutral when looked through and when viewed from the outside
SE460731B (en) * 1987-11-26 1989-11-13 Future Energy Ab Inwardly facing outer wall section
WO1991014847A1 (en) * 1990-03-27 1991-10-03 Scan-Vent Oy Window with heat recovery system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2608557A1 (en) * 1976-03-02 1977-09-08 Adam Jakob Air vented double glazed window - has partition forming two air conducting slots with top and bottom openings
FR2481736A2 (en) * 1979-05-16 1981-11-06 Comoy Daniel Insulating window for building - uses air warmed through triple glazing passage directly or indirectly
DE3503851A1 (en) * 1985-02-05 1986-08-07 Interpane Entwicklungs- und Beratungsgesellschaft mbH & Co. KG, 3471 Lauenförde Highly transparent heat-insulation coating which appears neutral when looked through and when viewed from the outside
SE460731B (en) * 1987-11-26 1989-11-13 Future Energy Ab Inwardly facing outer wall section
WO1991014847A1 (en) * 1990-03-27 1991-10-03 Scan-Vent Oy Window with heat recovery system

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SE528110C2 (en) 2006-09-05
SE0502050L (en) 2006-09-05

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