EP1531307B1 - Ventilation device - Google Patents
Ventilation device Download PDFInfo
- Publication number
- EP1531307B1 EP1531307B1 EP04256977.2A EP04256977A EP1531307B1 EP 1531307 B1 EP1531307 B1 EP 1531307B1 EP 04256977 A EP04256977 A EP 04256977A EP 1531307 B1 EP1531307 B1 EP 1531307B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- closure
- drive
- ventilation device
- aperture
- pivot
- 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
- 238000009423 ventilation Methods 0.000 title claims description 33
- 230000007246 mechanism Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
- F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/105—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/144—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with thermoactuators
Definitions
- the present invention relates to a ventilation device.
- Ventilation devices are very widely known for ventilating rooms such as domestic spaces, works spaces, hospitals, storage areas etc.
- the ventilation device comprises a fan or other device for extracting air from the space or directing air into it.
- the ventilation device is required to close the ventilation device so that unwanted air movement through the device is prevented.
- GB2227550 in the name GEC - XPELAIR LIMITED discloses a shutter mechanism for a ventilation fan.
- the shutter mechanism comprises a number of blades forming a louvre shutter.
- an iris shutter is disclosed, which has an open position in which air can pass through the shutter and a closed position in which air does not pass through the shutter.
- the iris mechanism Whilst louvre mechanisms are very widely used, the present inventors have realised that the iris mechanism may be preferable for aesthetic reasons.
- the iris mechanism disclosed in the document GB2227550 has the disadvantage that it is relatively bulky and, in the open position, does not provide a very large free flow area, the blades of the iris mechanism partly obscuring the opening.
- Other types of mechanism are shown in GB 965744 and EP-A-0560612 . Attention is also drawn to the disclosure of SE9400111 .
- the present invention provides a ventilation device, having:
- the drive means comprises at least one drive member for contacting a drive part of a closure part, the drive part being located close to the pivot.
- the term "Iris mechanism" is widely used for a type of closure like the iris on a camera in which a plurality of planar members arranged in a mutually overlapping configuration can, by relative rotation, slide over one another to increase or decrease the size of a space between them.
- the closure parts do not slide over one another. This particularly advantageous in a ventilation device, because it is frequently the case that air withdrawn from a space contains a certain amount of dust of grease which inevitably settles on the surfaces in the ventilation device. If the closure parts slide over one another, there is a problem that they will become jammed by dirt.
- the closure parts each comprise closure surfaces having edges, the edges abutting one another in the closed position. In this way, opening is achieved by simply moving the closure parts away from one another so that they do not slide over one another.
- the closure parts can have any suitable shape. Preferably, they are geometrically the same. This simplifies construction and gives an enhanced aesthetic appearance.
- the edges which abut one another may each be straight or they may be curved.
- the closure surfaces may be substantially flat or they may each comprise a sector of a curved surface. Preferably, the degree of curvature is relatively small, to simplify the design of space into which the closure parts move in the open position.
- each closure part preferably comprises a drive part, the drive part being engageable with a drive member.
- the drive member may comprise a single drive member engaging all the drive parts of all the closure parts or a separate drive member may be provided for each closure member.
- the drive part is located on the closure part relatively close to the pivot.
- the degree of movement of the drive part required in order to move the closure part from the closed position to the open position may be relatively small. This is particularly advantageous with modern drive devices, such as wax actuators, which are described below.
- the distance between the pivot and the drive part is less than half and preferably less than a quarter of the maximum extent of the closure part from the pivot.
- the distance between the pivot and the drive part is less than 50% and preferably less than 25% of the maximum extent of the closure part from the pivot.
- each closure member are located on the same side of the closure part.
- they are both located on the side of the closure part which faces away from the face which faces into the room. This means that the depth of the ventilation device from the face which faces into the room need not be very great, which is an advantage in the design of ventilation devices, particularly for aesthetic reasons.
- the drive member comprises at least a part of an annular member which is slidably mounted in an annular track. This annular member can be driven through the required angular distance in order to open the closure members.
- a single drive member structure can therefore be provided for transferring drive from just one source of motive power to all of the closure parts in a particularly simple way.
- the drive member itself may be driven by any suitable means, for example an electric motor operating via a cog, rack and pinion, reduction gear or any known mechanism.
- the drive member is operated by a wax actuator.
- Wax actuators are well known in this art and can provide a drive with a relatively short stroke which is highly suitable for operating the present invention.
- the wax actuator is, in use, supplied with heat by an electrical current which is switched on automatically when the fan is switched on. In this way, a particularly simple mechanism is provided for coordinating the opening of the aperture with the operation of a ventilation fan.
- Closure drive means may be provided for driving the closure parts from the open to the closed position.
- the closure drive means may be the same as the drive means for moving the closure parts from the closed position to the open position.
- resilient means for example a coil spring, may be provided for returning the closure parts to the closed position after the drive means which opened the closure parts has ceased to operate.
- the fan means is provided for withdrawing air from a room or directing air into the room. Any conventional fan means or impeller may be used.
- the ventilation device may comprise any conventional pieces of equipment.
- a switch may be provided for operating the drive means.
- the switch allows the drive device to operate to open the closure parts.
- the drive device ceases to operate and resilient means returns the closure parts to the closed position.
- the switch means may further comprise switching means for switching on or off the fan means, the fan means being switched on when the closure parts are opened and switched off when the closure parts are closed.
- the switch may form part of a control module of a type known in the art.
- the control module may operate in response to external temperature, humidity, in response to a passive infra red sensor or in accordance with a timing schedule.
- Manually operable switches may be provided, for example a pull cord, switch or remote control.
- the closure parts are automatically closed.
- the ventilation device may be manufactured to any suitable size, depending upon the air flow volume required. The skilled person will be able to determine the size of the aperture and the power of fan means required in order to achieve a desired airflow rate.
- the ventilation device may be constructed of any suitable material as is known in the art.
- the closure parts may be composed of metal or synthetic material, for example thermoplastic.
- Figure 1 shows a sketch isometric view of a ventilation device according to the present invention. It comprises a face plate 2, for facing into a room, the face plate defining a generally circular aperture 3. The face plate further includes a sensor 4. The aperture 3 is shown partly closed by three closure parts 5.
- Figure 2 shows the ventilation device 1 from the rear.
- a base plate 7 can be seen.
- the impeller fan 6 is mounted in an annular space surrounded by the base plate 7.
- FIG 3 shows the appearance of the ventilation device 1 with the cover plate 2 removed.
- a drive support 8 can be seen in the form of an annular structure.
- the three closure parts 5 are shown. Each is pivoted at a pivot 9 which is located near the periphery of the aperture 3 but not actually visible through the aperture 3. Further, each closure part 5 comprises a drive part in the form of a notch 10 which engages a drive post 11 which is itself mounted on an annular drive member 12 mounted in an annular track on the drive support 8.
- Figure 4 is a sketch view with the drive support 8 removed. However, the drive member 12 and two of the closure parts 5 are shown in position, so that the operation can be understood.
- a wax actuator 13 of conventional design is provided.
- An actuator rod 14 is pushed in the direction of the top left hand corner of the page, seen looking into figure 4 , when the wax actuator is switched on. This causes a push part 15 to act on the drive means 12, forcing it to rotate in an anti clockwise direction.
- a coil spring 16 is shown also acting on the push part 15.
- the coil spring is designed so that, when the wax actuator is switched off, and the actuator rod 14 moves in the direction of the bottom right hand corner, the spring returns the drive member 12 to its original position, by rotating it in a clockwise direction.
- the drive member 12 then closes the closure parts by rotating the closure parts 5 in a clockwise direction.
- Figure 5 is a rear view showing the ventilation device with some parts removed. It shows a further detail of the wax actuator 13 and the push part 15. It can be seen that the push part 15 is rotatable about an axis so that when the actuator rod 14 extends, a stub of the push part moves in the opposite direction to the actuator rod thereby tensioning the coil spring 16. The other end of the push part 15 drives a part of the drive means 12 so that it rotates. As figure 5 is seen from the opposite side to Figure 4 , in the view of figure 5 , the drive means 12 is rotated in a clockwise direction to open the closure parts.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air-Flow Control Members (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Description
- The present invention relates to a ventilation device.
- Ventilation devices are very widely known for ventilating rooms such as domestic spaces, works spaces, hospitals, storage areas etc. In use, the ventilation device comprises a fan or other device for extracting air from the space or directing air into it. However, when the ventilation device is not in use, it is required to close the ventilation device so that unwanted air movement through the device is prevented.
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GB2227550 - In a first embodiment, the shutter mechanism comprises a number of blades forming a louvre shutter. In a second embodiment, an iris shutter is disclosed, which has an open position in which air can pass through the shutter and a closed position in which air does not pass through the shutter.
- Whilst louvre mechanisms are very widely used, the present inventors have realised that the iris mechanism may be preferable for aesthetic reasons. However, the iris mechanism disclosed in the document
GB2227550
Other types of mechanism are shown inGB 965744 EP-A-0560612 . Attention is also drawn to the disclosure ofSE9400111 - The present invention provides a ventilation device, having:
- a face for facing into a room, the face including an aperture;
- at least three closure parts, for closing the aperture, rotatably mounted adjacent to the aperture about pivot points located around the periphery of the aperture for rotation about axes substantially normal to the plane of the aperture, wherein the closure parts each comprise closure surfaces having edges,
- drive means for moving the closure parts between an open position and a closed position,
- and fan means for driving air through the aperture when the closure parts are in the open position, characterised in that the edges of the closure surfaces abut one another in the closed position and the closure parts are arranged not to slide over one another.
- Preferably, the drive means comprises at least one drive member for contacting a drive part of a closure part, the drive part being located close to the pivot.
- By mounting the closure parts around the periphery of the aperture, they can be removed completely from the aperture in the open position. This is different to the
system shown inGB2227550 - The term "Iris mechanism" is widely used for a type of closure like the iris on a camera in which a plurality of planar members arranged in a mutually overlapping configuration can, by relative rotation, slide over one another to increase or decrease the size of a space between them. However, in the present invention, the closure parts do not slide over one another. This particularly advantageous in a ventilation device, because it is frequently the case that air withdrawn from a space contains a certain amount of dust of grease which inevitably settles on the surfaces in the ventilation device. If the closure parts slide over one another, there is a problem that they will become jammed by dirt. Accordingly, in the invention, the closure parts each comprise closure surfaces having edges, the edges abutting one another in the closed position. In this way, opening is achieved by simply moving the closure parts away from one another so that they do not slide over one another.
- The closure parts can have any suitable shape. Preferably, they are geometrically the same. This simplifies construction and gives an enhanced aesthetic appearance. The edges which abut one another may each be straight or they may be curved. The closure surfaces may be substantially flat or they may each comprise a sector of a curved surface. Preferably, the degree of curvature is relatively small, to simplify the design of space into which the closure parts move in the open position.
- There may be more than three closure parts, if required.
- In order to transfer drive from the drive means to each closure part, each closure part preferably comprises a drive part, the drive part being engageable with a drive member. The drive member may comprise a single drive member engaging all the drive parts of all the closure parts or a separate drive member may be provided for each closure member.
- In the invention, the drive part is located on the closure part relatively close to the pivot. In this way, the degree of movement of the drive part required in order to move the closure part from the closed position to the open position may be relatively small. This is particularly advantageous with modern drive devices, such as wax actuators, which are described below. Suitably, the distance between the pivot and the drive part is less than half and preferably less than a quarter of the maximum extent of the closure part from the pivot.
- Preferably, the distance between the pivot and the drive part is less than 50% and preferably less than 25% of the maximum extent of the closure part from the pivot.
- Preferably, the pivot and the drive part of each closure member are located on the same side of the closure part. Suitably, they are both located on the side of the closure part which faces away from the face which faces into the room. This means that the depth of the ventilation device from the face which faces into the room need not be very great, which is an advantage in the design of ventilation devices, particularly for aesthetic reasons.
- In a particularly preferred embodiment, the drive member comprises at least a part of an annular member which is slidably mounted in an annular track. This annular member can be driven through the required angular distance in order to open the closure members. A single drive member structure can therefore be provided for transferring drive from just one source of motive power to all of the closure parts in a particularly simple way.
- The drive member itself may be driven by any suitable means, for example an electric motor operating via a cog, rack and pinion, reduction gear or any known mechanism. However, in a preferred embodiment, the drive member is operated by a wax actuator. Wax actuators are well known in this art and can provide a drive with a relatively short stroke which is highly suitable for operating the present invention. The wax actuator is, in use, supplied with heat by an electrical current which is switched on automatically when the fan is switched on. In this way, a particularly simple mechanism is provided for coordinating the opening of the aperture with the operation of a ventilation fan.
- Closure drive means may be provided for driving the closure parts from the open to the closed position. The closure drive means may be the same as the drive means for moving the closure parts from the closed position to the open position. Suitably, resilient means, for example a coil spring, may be provided for returning the closure parts to the closed position after the drive means which opened the closure parts has ceased to operate.
- The fan means is provided for withdrawing air from a room or directing air into the room. Any conventional fan means or impeller may be used.
- The ventilation device may comprise any conventional pieces of equipment.
- A switch may be provided for operating the drive means. In a preferred embodiment, as described above, the switch allows the drive device to operate to open the closure parts. When the switch is switched off, the drive device ceases to operate and resilient means returns the closure parts to the closed position. The switch means may further comprise switching means for switching on or off the fan means, the fan means being switched on when the closure parts are opened and switched off when the closure parts are closed.
- The switch may form part of a control module of a type known in the art. The control module may operate in response to external temperature, humidity, in response to a passive infra red sensor or in accordance with a timing schedule. Manually operable switches may be provided, for example a pull cord, switch or remote control.
- Preferably, when the fan is switched off, the closure parts are automatically closed.
- The ventilation device may be manufactured to any suitable size, depending upon the air flow volume required. The skilled person will be able to determine the size of the aperture and the power of fan means required in order to achieve a desired airflow rate.
- The ventilation device may be constructed of any suitable material as is known in the art. For example, the closure parts may be composed of metal or synthetic material, for example thermoplastic.
- The present invention will be further described by way of example only with reference to the accompanying drawings, in which:
-
-
Figure 1 is sketch isometric view of a ventilation device according to the present invention. -
Figure 2 is sketch isometric rear view of the ventilation device offigure 1 . -
Figure 3 is a sketch isometric view of ventilation device offigure 1 , with the face plate removed. -
Figure 4 is a sketch isometric view with some parts of the ventilation device removed, to show the drive means. -
Figure 5 is a sketch isometric view from the rear, with some parts removed, to show further aspects of the design. -
Figure 1 shows a sketch isometric view of a ventilation device according to the present invention. It comprises aface plate 2, for facing into a room, the face plate defining a generallycircular aperture 3. The face plate further includes asensor 4. Theaperture 3 is shown partly closed by threeclosure parts 5. - Behind the
closure parts 5 there is located a grille and animpeller fan 6 of conventional design which will not be described further. -
Figure 2 shows theventilation device 1 from the rear. Abase plate 7 can be seen. Theimpeller fan 6 is mounted in an annular space surrounded by thebase plate 7. -
Figure 3 shows the appearance of theventilation device 1 with thecover plate 2 removed. Adrive support 8 can be seen in the form of an annular structure. The threeclosure parts 5 are shown. Each is pivoted at apivot 9 which is located near the periphery of theaperture 3 but not actually visible through theaperture 3. Further, eachclosure part 5 comprises a drive part in the form of anotch 10 which engages adrive post 11 which is itself mounted on anannular drive member 12 mounted in an annular track on thedrive support 8. It can be seen that rotation of thedrive member 12 in anti clockwise direction (from the point of view of the observer) will cause thedrive post 11 to drive thenotch 10 in an anti clockwise direction around thepivot point 9 thus causing eachrespective closure part 5 to rotate in an anti clockwise direction, leading to the aperture becoming open. -
Figure 4 is a sketch view with thedrive support 8 removed. However, thedrive member 12 and two of theclosure parts 5 are shown in position, so that the operation can be understood. - The grille and the aero dynamic fairing from the top of the
ventilation fan 6 have been removed as well. Awax actuator 13 of conventional design is provided. Anactuator rod 14 is pushed in the direction of the top left hand corner of the page, seen looking intofigure 4 , when the wax actuator is switched on. This causes apush part 15 to act on the drive means 12, forcing it to rotate in an anti clockwise direction. - A
coil spring 16 is shown also acting on thepush part 15. The coil spring is designed so that, when the wax actuator is switched off, and theactuator rod 14 moves in the direction of the bottom right hand corner, the spring returns thedrive member 12 to its original position, by rotating it in a clockwise direction. Thedrive member 12 then closes the closure parts by rotating theclosure parts 5 in a clockwise direction. -
Figure 5 is a rear view showing the ventilation device with some parts removed. It shows a further detail of thewax actuator 13 and thepush part 15. It can be seen that thepush part 15 is rotatable about an axis so that when theactuator rod 14 extends, a stub of the push part moves in the opposite direction to the actuator rod thereby tensioning thecoil spring 16. The other end of thepush part 15 drives a part of the drive means 12 so that it rotates. Asfigure 5 is seen from the opposite side toFigure 4 , in the view offigure 5 , the drive means 12 is rotated in a clockwise direction to open the closure parts.
Claims (8)
- A ventilation device (1), having:a face (2) for facing into a room, the face including an aperture (3);at least three closure parts (5), for closing the aperture (3), rotatably mounted adjacent to the aperture (3) about pivot points (9) located around the periphery of the aperture (3) for rotation about axes which are substantially normal to the plane of the aperture, wherein the closure parts each comprise closure surfaces having edges,drive means (10, 12) for moving the closure parts (5) between an open position and a closed position,and fan means (6) for driving air through the aperture (3) when the closure parts (5) are in the open position, characterised in that the edges of the closure surfaces abut one another in the closed position and the closure parts are arranged not to slide over one another.
- A ventilation device according to claim 1, comprising at least one drive member (12) for contacting a drive part (10) of a closure part (5), the drive part (10) being located close to the pivot.
- A ventilation device according to claim 2, wherein the distance between the pivot (9) and the drive part (10) is less than 50% and preferably less than 25% of the maximum extent of the closure part (3) from the pivot (9).
- A ventilation device according to claim 2 or 3, wherein the drive member (12) comprises at least a section of an annular member, slidably mounted in an annular track.
- A ventilation device according to any preceding claim wherein the drive means comprises a wax actuator (13).
- A ventilation device according to any preceding claim, wherein the pivot (9) and the drive part (10) are mounted on the same side of the closure part (5).
- A ventilation device according to claim 6, wherein the pivot (9) and the drive part (10) are mounted on the side of the closure part (5) facing away from the face (2) for facing into the room.
- A ventilation device according to any preceding claim, comprising switch means for switching on the drive means (10, 12) and switching on the fan means (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04256977T PL1531307T3 (en) | 2003-11-11 | 2004-11-10 | Ventilation device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0326254 | 2003-11-11 | ||
GB0326254A GB2408095B (en) | 2003-11-11 | 2003-11-11 | Ventilation device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1531307A2 EP1531307A2 (en) | 2005-05-18 |
EP1531307A3 EP1531307A3 (en) | 2009-07-22 |
EP1531307B1 true EP1531307B1 (en) | 2018-03-21 |
Family
ID=29726314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04256977.2A Active EP1531307B1 (en) | 2003-11-11 | 2004-11-10 | Ventilation device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1531307B1 (en) |
ES (1) | ES2671699T3 (en) |
GB (1) | GB2408095B (en) |
PL (1) | PL1531307T3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102203935B1 (en) | 2014-01-08 | 2021-01-18 | 삼성전자주식회사 | Discharge port opening and closing apparatus and air conditioner having the same |
CN108266850B (en) * | 2018-01-19 | 2020-08-21 | 深圳宏峰建设有限公司 | Intelligent ventilation device for building construction |
CN114110992B (en) * | 2021-09-22 | 2024-05-31 | 珠海格力电器股份有限公司 | Control method for air conditioner wind sweeping movement mechanism and air conditioner |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1046842A1 (en) * | 1999-04-23 | 2000-10-25 | STUVEX International (Naamloze Vennootschap) | Device for closing pipes |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2649272A (en) * | 1950-03-31 | 1953-08-18 | Robert C Barbato | Iris type valve construction |
GB965744A (en) * | 1959-07-28 | 1964-08-06 | Colchester Woods | Improvements in and relating to ventilating fans |
GB895367A (en) * | 1960-06-22 | 1962-05-02 | Sydney Thomas Hosken | Improvements in ventilating apparatus |
DE1183324B (en) * | 1960-12-21 | 1964-12-10 | Krupp Ardelt Gmbh | Closure for container for receiving radioactive bodies |
FR1581792A (en) * | 1968-08-07 | 1969-09-19 | ||
GB2227550A (en) | 1988-10-21 | 1990-08-01 | Gec Xpelair Ltd | Valves |
GB2265001A (en) | 1992-03-12 | 1993-09-15 | Hunter International | A backdraught shutter for a ventilating fan |
GB2273152B (en) * | 1992-11-25 | 1996-09-25 | Gilberts | Ventilation apparatus |
GB2272970B (en) * | 1992-11-25 | 1996-09-25 | Gilberts | Ventilation apparatus |
SE9400111L (en) * | 1994-01-18 | 1995-07-19 | Reton Ventilation Ab | Wall Outlets |
FI980564A (en) * | 1998-03-13 | 1999-09-14 | Flaekt Oy | Volume control means for flow pipes |
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2003
- 2003-11-11 GB GB0326254A patent/GB2408095B/en not_active Expired - Lifetime
-
2004
- 2004-11-10 ES ES04256977.2T patent/ES2671699T3/en active Active
- 2004-11-10 PL PL04256977T patent/PL1531307T3/en unknown
- 2004-11-10 EP EP04256977.2A patent/EP1531307B1/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1046842A1 (en) * | 1999-04-23 | 2000-10-25 | STUVEX International (Naamloze Vennootschap) | Device for closing pipes |
Also Published As
Publication number | Publication date |
---|---|
GB2408095B (en) | 2007-11-14 |
ES2671699T3 (en) | 2018-06-08 |
PL1531307T3 (en) | 2018-10-31 |
GB0326254D0 (en) | 2003-12-17 |
EP1531307A3 (en) | 2009-07-22 |
EP1531307A2 (en) | 2005-05-18 |
GB2408095A (en) | 2005-05-18 |
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