EP2933427B1 - Shading device - Google Patents
Shading device Download PDFInfo
- Publication number
- EP2933427B1 EP2933427B1 EP14165178.6A EP14165178A EP2933427B1 EP 2933427 B1 EP2933427 B1 EP 2933427B1 EP 14165178 A EP14165178 A EP 14165178A EP 2933427 B1 EP2933427 B1 EP 2933427B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shading
- vessel
- cylinder barrel
- building
- active
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
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
- 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
Definitions
- the invention relates to a device for providing shade. More in particular, the invention relates to a device which reacts to the amount of sun and controls the amount of shade it provides. Applicable on a broad variety of buildings, constructions, facades, roofs, windows as it can vary in scale, size, material and form.
- Such a device according to the preamble of claim 1 is known from FR 2476200 A3 .
- Building environmental systems are known, which control heating, cooling and ventilation within a building. Such systems rely on a large number of sensors to measure the conditions in a building and which they use to control a number of flaps, valves and the like to direct heat and/or cold to the desired portions of a building. Such known building environmental systems are costly to install and energy consuming.
- shading means arranged on the outside of the building, to block heat from the sun when it is desired to cool the building
- US 5608995 describes a shading device having a solar-actuated fluid window shutter for automatic regulation of illumination that responds to variations in external sunlight.
- the device has a container exposed to solar radiation that causes a gas pressure change which causes fluid displacement between two transparent window panes.
- a transparent fluid is displaced by another fluid, which blocks part of the sunlight falling on the panes.
- the blocking fluid enters the space between the two transparent window panes from above, similar to the operation of blinds.
- the actuator used in the device according to the invention is a hydraulic cylinder or a pneumatic cylinder depending on whether the heat expandable medium is a fluid or a gas.
- the medium When the vessel is heated by for example sun radiation, the medium will try to expand. Because the vessel is in fluid communication with the pressure chamber of the actuator, the pressure increase due to the heating of the medium will also have its effect within the pressure chamber. As the pressure chamber is defined by the closed end of the cylinder barrel and the movable piston, the pressure will try to move the movable piston. This movement of the movable piston it then transferred via the piston rod onto shading means, in order to move the shading means towards the active, shading position.
- the heat expandable medium When the sun radiation is reduced, for example because of a cloudy sky, the heat expandable medium will cool off and the pressure in the medium will drop. Due to the pressure drop, the movable piston will be moved back causing the shading means to move towards the non-active, non-shading position. This movement could be assisted by spring means to overcome internal friction within the actuator.
- Another way to reduce the friction would be to use a rolling diaphragm pneumatic cylinder.
- the sealing between the movable piston and the cylinder barrel is by a flexible diaphragm. This reduces friction considerably, such that the force generated by the heat expandable medium can optimally be used for operating the shading means.
- the heat expandable medium is preferably a gas, such as filtered air, but could also be a suitable fluid.
- the device according to the invention thus provides a self-sustaining responsive shading, requiring no additional external energy or active control.
- the device is based on a simple natural process of heat expansion of a medium, making it a fully passive system.
- the vessel is arranged at the actuator adjacent the pressure chamber. This provides for a compact design, in which the actuator can be directed with the vessel towards the heat source, in particular the sun.
- the shading means comprise at least one shading panel connected hingedly to the cylinder barrel by at least one hinge and wherein the piston rod is connected to the shading panel at a distance from the at least one hinge.
- the shading panel could for example be an elongate panel, such as with horizontal blinds.
- the movement of the piston rod could control a number of shading panels. So, if the sun would warm up the medium in the vessel, the elongated panels would move towards a closed position, in which the sun light is blocked from passing. If the device is mounted on the outside of a building, then the heat from the sun would be kept outside and the warming of the building by the sun would be effectively be prevented.
- the device of the invention could for example also be used as a parasol, wherein the device will provide shade when sufficient sun radiation is available to heat the medium in the vessel.
- the shading panel comprises at least two main rods each connected with one end to the at least one hinge, at least two control rods, hingedly arranged in a center zone each to a main rod and a shading cloth arranged to the at least two main rods.
- the shading panel is umbrella like.
- the vessel would be arranged typically at the top of the umbrella and be directed towards the sun.
- the piston rod will cause the umbrella like shading means to unfold and provide shade.
- Yet another embodiment of the device according to the invention further comprises a frame arranged to the cylinder barrel, wherein the frame has a base arranged at the distal end of the vessel.
- the device according to the invention can easily be mounted to a surface, which needs to be provided with shade.
- a surface which needs to be provided with shade.
- the outer surface of the vessel is provided with a heat absorbing layer.
- a heat absorbing layer By providing a heat absorbing layer, the incident sun light can be optimally converted into heat for the heat expandable medium.
- the content of the vessel is at least 10 times larger than the content of the cylinder barrel.
- the content of the vessel is at least 10 times larger, than the content of the cylinder barrel.
- an expansion of the medium in the vessel will have an at least 10 times bigger effect on the stroke of the piston rod.
- the pressure of the heat expandable medium at ambient temperature, in the non-active, non-shading position is higher than the ambient pressure.
- the weight of the shading means can be compensated, such that the shading means are at an equilibrium between the non-active position and the active position. Only a small pressure increase due to the heating of the heat expandable medium is then needed to move the shading means.
- the shutter units have an optional opening and closing mechanism that would allow the system to open or close in cases of emergency (e.g. fire) operated by manual or electrical means.
- emergency e.g. fire
- the invention further relates to a building having a facade and a plurality of devices according to the invention, wherein the vessel of each device is arranged in front of the shading means as seen in the direction towards the facade of the building.
- FIG. 1 shows a perspective view of a first embodiment 1 of the device according to the invention.
- This device 1 has a cylindrical frame 2 with a base 3. On top of the frame 2 a vessel 4 is arranged. Furthermore a number of main rods 5 is hingedly arranged to the frame, which main rods 5 are controlled by control rods 6. A shading cloth 7 is arranged between the main rods 5.
- Figures 2A and 2B show a cross-sectional view of the device 1 of figure 1 in a non-active, non-shading position ( figure 2A ) and an active, shading position ( figure 2B ).
- the device 1 has an actuator arranged in the frame 2, which actuator has a cylinder barrel 8 with a closed end 9, a piston 10 movable within the cylinder barrel 8 and a piston rod 11 connected to the movable piston 10. The free end of the piston rod 11 is connected to the control rods 6.
- the wall of the closed end 9 is integrated and connected with the vessel 4 via a large opening.
- this end 9 would be closed and connected to the vessel 4 via for example a conduit.
- Figure 3 shows a schematic perspective view of a first embodiment of a building 20 according to the invention.
- This building 20 has a facade 21 which is provided with a plurality of device 1 according to figure 1 .
- the devices 1 When the facade 21 is illuminated by the sun S, the devices 1 will assume an active position (as shown in figure 2B ). Only where a tree T casts its shadow on the facade, the devices 1 will keep there non-active position (as shown in figure 2A ).
- FIG. 4 shows a schematic perspective view of a second embodiment of a building 30 according to the invention.
- This building 30 is provided over its full outer surface with a plurality of devices 1.
- the sun S illuminates the building 30, the devices 1 will move towards the active position, except for the devices 1, which are in the shadow of the building B.
- Figure 5 shows a schematic cross-sectional view of the building 20 according to figure 3 during a period of time.
- the facade 21 is provided with a number of devices 1.
- the shown period of time starts at 11.00 and ends at 18.00.
- the facade 21 is fully illuminated by the sun S and all devices 1 are expanded.
- the sun moves away from the facade 21, such that gradiently less sun shines on the facade 21.
- the devices 1 will slowly collapse, such that around 18.00, when no sun shines on the facade 21, all devices 1 are in non-active state.
- FIG. 6 shows a perspective view of a second embodiment 40 of the device according to the invention.
- This device 40 also has a vessel 41 connected to a cylinder barrel 42 with a movable piston 43 and a connected piston rod 44.
- the actuator 42, 43, 44 is arranged in a cylindrical frame 44 having a large base 45.
- This large base 45 is provided with a number of guide rails 46, along which main rods 47 are guided.
- These main rods 47 are also connected to the piston rod 44.
- a shading cloth (not shown) can be arranged between the main rods 47.
- Figures 7A and 7B show a cross-sectional view of the device 40 in a non-active, non-shading position ( figure 7A ) and an active, shading position ( figure 7B ).
- the advantage of the large base 45 with the guide rails 46, is that the device 40 can withstand high wind loads.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Building Awnings And Sunshades (AREA)
Description
- The invention relates to a device for providing shade. More in particular, the invention relates to a device which reacts to the amount of sun and controls the amount of shade it provides. Applicable on a broad variety of buildings, constructions, facades, roofs, windows as it can vary in scale, size, material and form.
- Such a device according to the preamble of
claim 1 is known fromFR 2476200 A3 - Building environmental systems are known, which control heating, cooling and ventilation within a building. Such systems rely on a large number of sensors to measure the conditions in a building and which they use to control a number of flaps, valves and the like to direct heat and/or cold to the desired portions of a building. Such known building environmental systems are costly to install and energy consuming.
- Some of the known building environmental systems use shading means arranged on the outside of the building, to block heat from the sun when it is desired to cool the building
-
US 5608995 describes a shading device having a solar-actuated fluid window shutter for automatic regulation of illumination that responds to variations in external sunlight. The device has a container exposed to solar radiation that causes a gas pressure change which causes fluid displacement between two transparent window panes. A transparent fluid is displaced by another fluid, which blocks part of the sunlight falling on the panes. Typically, the blocking fluid enters the space between the two transparent window panes from above, similar to the operation of blinds. - However, heat dissipated in the blocking fluid will be in direct contact with the building, such that the building is still heated despite the blocking of sunlight. Also the usage of some flammable and hazardous elements in the displacement fluids might be undesired in a building component, because of safety regulations, fire protection and / or environmental requirements.
- It is an object of the invention to provide a shading device, in which the above mentioned disadvantages are reduces or even removed.
- This object is achieved with a device according to
claim 1. - The actuator used in the device according to the invention is a hydraulic cylinder or a pneumatic cylinder depending on whether the heat expandable medium is a fluid or a gas.
- When the vessel is heated by for example sun radiation, the medium will try to expand. Because the vessel is in fluid communication with the pressure chamber of the actuator, the pressure increase due to the heating of the medium will also have its effect within the pressure chamber. As the pressure chamber is defined by the closed end of the cylinder barrel and the movable piston, the pressure will try to move the movable piston. This movement of the movable piston it then transferred via the piston rod onto shading means, in order to move the shading means towards the active, shading position.
- When the sun radiation is reduced, for example because of a cloudy sky, the heat expandable medium will cool off and the pressure in the medium will drop. Due to the pressure drop, the movable piston will be moved back causing the shading means to move towards the non-active, non-shading position. This movement could be assisted by spring means to overcome internal friction within the actuator.
- Another way to reduce the friction would be to use a rolling diaphragm pneumatic cylinder. In such a cylinder, the sealing between the movable piston and the cylinder barrel is by a flexible diaphragm. This reduces friction considerably, such that the force generated by the heat expandable medium can optimally be used for operating the shading means.
- The heat expandable medium is preferably a gas, such as filtered air, but could also be a suitable fluid.
- The device according to the invention thus provides a self-sustaining responsive shading, requiring no additional external energy or active control. The device is based on a simple natural process of heat expansion of a medium, making it a fully passive system.
- In an embodiment of the device according to the invention the vessel is arranged at the actuator adjacent the pressure chamber. This provides for a compact design, in which the actuator can be directed with the vessel towards the heat source, in particular the sun.
- In a preferred embodiment of the device according to the invention the shading means comprise at least one shading panel connected hingedly to the cylinder barrel by at least one hinge and wherein the piston rod is connected to the shading panel at a distance from the at least one hinge.
- The shading panel could for example be an elongate panel, such as with horizontal blinds. By connection the one elongate panel to a plurality of parallel panels, the movement of the piston rod, could control a number of shading panels. So, if the sun would warm up the medium in the vessel, the elongated panels would move towards a closed position, in which the sun light is blocked from passing. If the device is mounted on the outside of a building, then the heat from the sun would be kept outside and the warming of the building by the sun would be effectively be prevented. The device of the invention could for example also be used as a parasol, wherein the device will provide shade when sufficient sun radiation is available to heat the medium in the vessel.
- In another preferred embodiment of the device according to the invention the shading panel comprises at least two main rods each connected with one end to the at least one hinge, at least two control rods, hingedly arranged in a center zone each to a main rod and a shading cloth arranged to the at least two main rods.
- Preferably, the shading panel is umbrella like.
- With such a device according to the invention, the vessel would be arranged typically at the top of the umbrella and be directed towards the sun. When the vessel is heated, the piston rod will cause the umbrella like shading means to unfold and provide shade.
- Yet another embodiment of the device according to the invention further comprises a frame arranged to the cylinder barrel, wherein the frame has a base arranged at the distal end of the vessel.
- With this frame and base, the device according to the invention can easily be mounted to a surface, which needs to be provided with shade. This could be for example a horizontal surface, such as a roof of a building or a facade of a building.
- In yet another embodiment of the device according to the invention the outer surface of the vessel is provided with a heat absorbing layer. By providing a heat absorbing layer, the incident sun light can be optimally converted into heat for the heat expandable medium.
- In still another embodiment of the device according to the invention the content of the vessel is at least 10 times larger than the content of the cylinder barrel.
- In order to obtain a sufficient operable stroke of the piston rod, the content of the vessel is at least 10 times larger, than the content of the cylinder barrel. As a result an expansion of the medium in the vessel will have an at least 10 times bigger effect on the stroke of the piston rod.
- In yet another embodiment of the device according to the invention the pressure of the heat expandable medium at ambient temperature, in the non-active, non-shading position, is higher than the ambient pressure.
- By increasing the pressure of the heat expandable medium in the non-active, non-shading position, it is possible to counteract any force of the shading means exerted onto the piston rod. For example, the weight of the shading means can be compensated, such that the shading means are at an equilibrium between the non-active position and the active position. Only a small pressure increase due to the heating of the heat expandable medium is then needed to move the shading means.
- In another preferred embodiment of the invention, the shutter units have an optional opening and closing mechanism that would allow the system to open or close in cases of emergency (e.g. fire) operated by manual or electrical means.
- The invention further relates to a building having a facade and a plurality of devices according to the invention, wherein the vessel of each device is arranged in front of the shading means as seen in the direction towards the facade of the building.
- These and other features of the invention will be elucidated in conjunction with the accompanying drawings.
-
Figure 1 shows a perspective view of a first embodiment of the device according to the invention. -
Figures 2A and2B show a cross-sectional view of the embodiment offigure 1 in two different positions -
Figure 3 shows a schematic perspective view of a first embodiment of a building according to the invention. -
Figure 4 shows a schematic perspective view of a second embodiment of a building according to the invention. -
Figure 5 shows a schematic cross-sectional view of the building according tofigure 3 during a period of time. -
Figure 6 shows a perspective view of a second embodiment of the device according to the invention. -
Figures 7A and 7B show a cross-sectional view of the embodiment offigure 6 in two different positions. -
Figure 1 shows a perspective view of afirst embodiment 1 of the device according to the invention. Thisdevice 1 has acylindrical frame 2 with abase 3. On top of the frame 2 avessel 4 is arranged. Furthermore a number ofmain rods 5 is hingedly arranged to the frame, whichmain rods 5 are controlled bycontrol rods 6. Ashading cloth 7 is arranged between themain rods 5. -
Figures 2A and2B show a cross-sectional view of thedevice 1 offigure 1 in a non-active, non-shading position (figure 2A ) and an active, shading position (figure 2B ). - The
device 1 has an actuator arranged in theframe 2, which actuator has acylinder barrel 8 with aclosed end 9, apiston 10 movable within thecylinder barrel 8 and apiston rod 11 connected to themovable piston 10. The free end of thepiston rod 11 is connected to thecontrol rods 6. - The
closed end 9 together with part of thecylinder barrel 8 and themovable piston 10 form thepressure chamber 12, which is in direct contact with thevessel 4. In the figure the wall of theclosed end 9 is integrated and connected with thevessel 4 via a large opening. However, if thevessel 4 would be arranged at a distance from thebarrel 8, thisend 9 would be closed and connected to thevessel 4 via for example a conduit. - When the heat expandable medium inside of the
vessel 4 is heated by the sun S, then the medium would expand and move thepiston 10 downward. As a result, themain rods 5 will hinge upwardly, such that the umbrella like shadingcloth 7 is expanded to provide shade. -
Figure 3 shows a schematic perspective view of a first embodiment of abuilding 20 according to the invention. Thisbuilding 20 has afacade 21 which is provided with a plurality ofdevice 1 according tofigure 1 . - When the
facade 21 is illuminated by the sun S, thedevices 1 will assume an active position (as shown infigure 2B ). Only where a tree T casts its shadow on the facade, thedevices 1 will keep there non-active position (as shown infigure 2A ). -
Figure 4 shows a schematic perspective view of a second embodiment of abuilding 30 according to the invention. Thisbuilding 30 is provided over its full outer surface with a plurality ofdevices 1. When the sun S illuminates thebuilding 30, thedevices 1 will move towards the active position, except for thedevices 1, which are in the shadow of the building B. -
Figure 5 shows a schematic cross-sectional view of thebuilding 20 according tofigure 3 during a period of time. Thefacade 21 is provided with a number ofdevices 1. - The shown period of time starts at 11.00 and ends at 18.00. At 11.00 the
facade 21 is fully illuminated by the sun S and alldevices 1 are expanded. At 13.00 the sun moves away from thefacade 21, such that gradiently less sun shines on thefacade 21. As a result, thedevices 1 will slowly collapse, such that around 18.00, when no sun shines on thefacade 21, alldevices 1 are in non-active state. -
Figure 6 shows a perspective view of asecond embodiment 40 of the device according to the invention. Thisdevice 40 also has avessel 41 connected to acylinder barrel 42 with amovable piston 43 and aconnected piston rod 44. - The
actuator cylindrical frame 44 having alarge base 45. Thislarge base 45 is provided with a number ofguide rails 46, along whichmain rods 47 are guided. Thesemain rods 47 are also connected to thepiston rod 44. A shading cloth (not shown) can be arranged between themain rods 47. -
Figures 7A and 7B show a cross-sectional view of thedevice 40 in a non-active, non-shading position (figure 7A ) and an active, shading position (figure 7B ). The advantage of thelarge base 45 with the guide rails 46, is that thedevice 40 can withstand high wind loads.
Claims (10)
- Device (1; 40) for providing shade, which device (1; 40) comprises:- an actuator having a cylinder barrel (8; 42), a piston (10; 43) movable within the cylinder barrel (8; 42) and a piston rod (11; 44) connected to the movable piston (10; 43); and- shading means (7) operable between an active, shading position and a non-active, non-shading position, wherein the piston rod (11; 44) is coupled to the shading means (7) for controlling the position of the shading means (7) characterized in that- the cylinder barrel (8; 42) is a cylinder barrel (8; 42) with a closed end (9);- the device (1; 40) comprises a vessel (4; 41) filled with a heat expandable medium; and- the pressure chamber (12), defined by the closed end (9) of the cylinder barrel (8; 42) and the movable piston (10; 43), of the actuator is in fluid connection with the vessel (4; 41).
- Device (1; 40) according to claim 1, wherein the vessel (4; 41) is arranged at the actuator adjacent the pressure chamber (12).
- Device (1; 40) according to claim 1 or 2, wherein the shading means (7) comprise at least one shading panel (7) connected hingedly to the cylinder barrel (8; 42) by at least one hinge and wherein the piston rod (11; 44) is connected to the shading panel (7) at a distance from the at least one hinge.
- Device (1; 40) according to claim 3, wherein the shading panel (7) comprises at least two main rods (5; 47) each connected with one end to the at least one hinge, at least two control rods (6), hingedly arranged in a center zone each to a main rod and a shading cloth (7) arranged to the at least two main rods (5; 47).
- Device (1; 40) according to claim 4, wherein the shading panel (7) is umbrella like.
- Device (1; 40) according to any of the claims 2 - 5, further comprising a frame (2) arranged to the cylinder barrel (8; 42), wherein the frame (2) has a base (3; 45) arranged at the distal end of the vessel (4; 41).
- Device (1; 40) according to any of the preceding claims, wherein the outer surface of the vessel (4; 41) is provided with a heat absorbing layer.
- Device (1; 40) according to any of the preceding claims, wherein the content of the vessel (4; 41) is at least 10 times larger than the content of the cylinder barrel (8; 42).
- Device (1; 40) according to any of the preceding claims, wherein in the non-active, non-shading position the pressure of the heat expandable medium at ambient temperature is higher than the ambient pressure.
- Building (20; 30) having a facade (21) and a plurality of devices (1; 40) according to the any of the preceding claims, wherein the vessel (4; 41) of each device (1; 40) is arranged in front of the shading means (7) as seen in the direction towards the facade (21) of the building (20; 30).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14165178.6A EP2933427B1 (en) | 2014-04-17 | 2014-04-17 | Shading device |
PCT/EP2015/058065 WO2015158709A1 (en) | 2014-04-17 | 2015-04-14 | Shading device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14165178.6A EP2933427B1 (en) | 2014-04-17 | 2014-04-17 | Shading device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2933427A1 EP2933427A1 (en) | 2015-10-21 |
EP2933427B1 true EP2933427B1 (en) | 2018-01-10 |
Family
ID=50549002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14165178.6A Active EP2933427B1 (en) | 2014-04-17 | 2014-04-17 | Shading device |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2933427B1 (en) |
WO (1) | WO2015158709A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107676725A (en) * | 2017-10-30 | 2018-02-09 | 贵州润柏吉科技有限公司 | Optical road lamp component |
ES2847948A1 (en) * | 2020-02-04 | 2021-08-04 | Univ Sevilla | ROOM CONDITIONING SET (Machine-translation by Google Translate, not legally binding) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PT7066Y (en) * | 1980-02-06 | 1981-11-26 | Herminio Pais De Almeida | DISPLAY FOR ADAPTING THE MASK FOR WELDING |
US4679610A (en) * | 1986-01-31 | 1987-07-14 | Mike Spraggins | Modular window insert with collapsible shade |
US5608995A (en) | 1995-08-15 | 1997-03-11 | Borden; Rex M. | Solar-actuated fluid window shutter |
AU759812B2 (en) * | 1998-01-13 | 2003-05-01 | Lance Malcolm Vater | Skylight arrangement improvements |
-
2014
- 2014-04-17 EP EP14165178.6A patent/EP2933427B1/en active Active
-
2015
- 2015-04-14 WO PCT/EP2015/058065 patent/WO2015158709A1/en active Application Filing
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
EP2933427A1 (en) | 2015-10-21 |
WO2015158709A1 (en) | 2015-10-22 |
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